KR20220121624A - Electronic device for searching a node and method for the same - Google Patents

Abstract

In an electronic device and an operating method of the electronic device according to various embodiments, the electronic device may comprise: at least one communication circuit; and a processor. The processor is configured to: receive an RRC reconfiguration message including information related to multiple measurement objects related to at least one node connectable to the electronic device, and information related to a report of a measurement result; determine whether to perform an operation of searching for a node corresponding to at least a part of the multiple measurement objects or an operation of searching for all nodes corresponding to the multiple measurement objects; search for a node corresponding to at least a part of the multiple measurement objects on the basis of determining to perform the operation of searching for a node corresponding to at least a part of the multiple measurement objects; perform quality measurement on the node that has been searched for, before searching for a node corresponding to another part of the multiple measurement objects; and search for the node corresponding to the another part of the multiple measurement objects on the basis of the completion of the quality measurement. In addition, various embodiments are possible. According to the present invention, communication performance can be improved.

Description

ELECTRONIC DEVICE FOR SEARCHING A NODE AND METHOD FOR THE SAME

Various embodiments of the present disclosure relate to an electronic device and a method of operating the electronic device, and to a technique for searching for a node to be connected to the electronic device.

Efforts are being made to develop an improved 5G communication system or pre-5G communication system in order to meet the increasing demand for wireless data traffic after commercialization of the 4G communication system. For this reason, the 5G communication system or the pre-5G communication system is called a system after the 4G network (Beyond 4G Network) communication system or the LTE system after (Post LTE). In order to achieve high data rates, 5G communication systems are implemented in mmWave bands (for example, bands above 6 gigabytes (6GHz)) in addition to the bands used by LTE (bands below 6 gigabytes (6GHz)). are being considered In the 5G communication system, beamforming, massive MIMO, Full Dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, and large scale antenna technologies are being discussed.

In order to use the cellular communication, the electronic device may be connected to a node that outputs a signal of a frequency band supported by the cellular communication. In order to be connected to the node, the electronic device may search for a node by receiving a signal transmitted by the node through a specific frequency band. The electronic device may measure the quality of a signal transmitted by the found node, and transmit the quality measurement result when the quality measurement result satisfies a specified condition. The node receiving the quality measurement result may determine whether the electronic device is connected or not, and may control the electronic device to be connected to the found node.

Before performing node search, the electronic device may receive a measurement object through an RRC reconfiguration message. The measurement target may include frequency band information for performing node search. The electronic device may search for a node transmitting a signal of a frequency band included in the frequency band information based on the frequency band information included in the measurement target.

As the range of the frequency band included in the frequency band information is wide, the time required to search for a node may increase. Furthermore, when the electronic device uses a communication method using a frequency band (FR2; frequency range 2) of 6 GHz or higher, it is possible to receive a plurality of measurement targets, and when the number of measurement targets increases, it is necessary to search for a node. time may increase.

Also, the electronic device may support beamforming in a communication method using the FR2 frequency band. The electronic device may include a plurality of communication circuits for generating beams in order to support beamforming. The electronic device may support a communication method using the FR2 frequency band using a plurality of communication circuits and/or a plurality of beams generated by the plurality of communication circuits. The electronic device may search for a node included in the measurement target by using a plurality of communication circuits and/or a plurality of beams. The electronic device searches for a node using a plurality of beams, so that the time required to search for a node may increase.

When the time required to search for a node increases, the time for measuring the quality of a signal transmitted by the searched node and the time for reporting the quality measurement result may be delayed, and the quality of communication used by the electronic device may deteriorate. .

An electronic device according to various embodiments of the present disclosure includes at least one communication circuit; and a processor, wherein the processor includes an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a report of a measurement result. ), and determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or searching for all nodes corresponding to the plurality of measurement objects among the plurality of measurement objects, and Based on determining to perform the operation of searching for nodes corresponding to at least some of the measurement objects, nodes corresponding to at least some of the plurality of measurement objects are searched for, and among the plurality of measurement objects Before searching for a node corresponding to some other part of the measurement target, quality measurement is performed on the found node, and based on the completion of the quality measurement, a node corresponding to another part of the measurement target among the plurality of measurement targets is selected. It can be set to search.

In a method of operating an electronic device according to various embodiments of the present disclosure, RRC reconfiguration including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to reporting a measurement result receiving an RRC reconfiguration message; determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching all nodes corresponding to the plurality of measurement objects; searching for nodes corresponding to at least some of the plurality of measurement objects based on determining to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects; performing quality measurement on the found node before searching for a node corresponding to some other measurement target among the plurality of measurement targets; and based on the completion of the quality measurement, searching for a node corresponding to another part of the plurality of measurement objects.

An electronic device according to various embodiments of the present disclosure includes at least one communication circuit; and a processor, wherein the processor includes an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a report of a measurement result. ), and searching for a node corresponding to at least some of the plurality of measurement objects, and searching for a node corresponding to another part of the plurality of measurement objects, quality of the found node It may be configured to perform a measurement and search for a node corresponding to another part of the plurality of measurement objects based on the completion of the quality measurement.

An electronic device and a method of operating an electronic device according to various embodiments of the present disclosure include searching for a node outputting a signal of a frequency band included in at least some of a plurality of measurement targets, and searching for a node that is included in the other part of the measurement target. Before searching for a node that outputs a signal of a frequency band, quality measurement of the searched node may be performed. The electronic device may report the quality measurement result before the search for a node that outputs a signal of a frequency band included in a plurality of measurement objects is completed, thereby reducing the time taken from the node search to reporting the quality measurement result. can be reduced

An electronic device and a method of operating an electronic device according to various embodiments of the present disclosure may determine an order of a plurality of measurement targets based on performance information of a communication circuit, and perform a node search according to the determined order. Accordingly, the electronic device may first search for and connect to a node that outputs a signal of a frequency band in which the communication circuit can exhibit relatively good performance, thereby increasing communication performance.

1 is a block diagram of an electronic device according to various embodiments of the present disclosure;
2 is a block diagram of an electronic device for supporting legacy network communication and 5G network communication, according to various embodiments of the present disclosure;
3 is a diagram illustrating a protocol stack structure of a network 100 of legacy communication and/or 5G communication according to an embodiment.
4 is a diagram illustrating an electronic device and a cellular network according to various embodiments of the present disclosure;
5 is a diagram illustrating an electronic device according to various embodiments of the present disclosure.
6A and 6B are diagrams illustrating an embodiment in which an electronic device searches for a node and measures and reports the quality of a signal transmitted by the node according to various embodiments of the present disclosure.
7 is a diagram illustrating a sequence of node search and quality measurement of an electronic device according to various embodiments of the present disclosure.
8 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.
9 is an operation flowchart illustrating a method of operating an electronic device according to various embodiments of the present disclosure.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments. Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with at least one of the electronic device 104 and the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 . In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190 ). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

2 is a block diagram 200 of an electronic device 101 for supporting legacy network communication and 5G network communication, according to various embodiments. Referring to FIG. 2 , the electronic device 101 includes a first communication processor 212 , a second communication processor 214 , a first radio frequency integrated circuit (RFIC) 222 , a second RFIC 224 , and a third RFIC 226 , a fourth RFIC 228 , a first radio frequency front end (RFFE) 232 , a second RFFE 234 , a first antenna module 242 , a second antenna module 244 , and an antenna (248). The electronic device 101 may further include a processor 120 and a memory 130 . The network 199 may include a first network 292 and a second network 294 . According to another embodiment, the electronic device 101 may further include at least one component among the components illustrated in FIG. 1 , and the network 199 may further include at least one other network. According to one embodiment, a first communication processor 212 , a second communication processor 214 , a first RFIC 222 , a second RFIC 224 , a fourth RFIC 228 , a first RFFE 232 , and the second RFFE 234 may form at least a part of the wireless communication module 192 . According to another embodiment, the fourth RFIC 228 may be omitted or may be included as a part of the third RFIC 226 .

The first communication processor 212 may support establishment of a communication channel of a band to be used for wireless communication with the first network 292 and legacy network communication through the established communication channel. According to various embodiments, the first network may be a legacy network including a second generation (2G), 3G, 4G, or long term evolution (LTE) network. The second communication processor 214 establishes a communication channel corresponding to a designated band (eg, about 6 GHz to about 60 GHz) among bands to be used for wireless communication with the second network 294, and 5G network communication through the established communication channel can support According to various embodiments, the second network 294 may be a 5G network defined by 3GPP. Additionally, according to an embodiment, the first communication processor 212 or the second communication processor 214 may be configured to correspond to another designated band (eg, about 6 GHz or less) among bands to be used for wireless communication with the second network 294 . It is possible to support the establishment of a communication channel, and 5G network communication through the established communication channel. According to one embodiment, the first communication processor 212 and the second communication processor 214 may be implemented in a single chip or a single package. According to various embodiments, the first communication processor 212 or the second communication processor 214 may be formed in a single chip or a single package with the processor 120 , the coprocessor 123 , or the communication module 190 . have.

The first RFIC 222, when transmitting, transmits a baseband signal generated by the first communication processor 212 to about 700 MHz to about 3 GHz used in the first network 292 (eg, a legacy network). can be converted to a radio frequency (RF) signal of Upon reception, an RF signal is obtained from a first network 292 (eg, a legacy network) via an antenna (eg, a first antenna module 242 ), and via an RFFE (eg, a first RFFE 232 ). It may be preprocessed. The first RFIC 222 may convert the preprocessed RF signal into a baseband signal to be processed by the first communication processor 212 .

The second RFIC 224, when transmitting, transmits the baseband signal generated by the first communication processor 212 or the second communication processor 214 to the second network 294 (eg, a 5G network). It can be converted into an RF signal (hereinafter, 5G Sub6 RF signal) of the Sub6 band (eg, about 6 GHz or less). Upon reception, a 5G Sub6 RF signal is obtained from the second network 294 (eg, 5G network) via an antenna (eg, second antenna module 244 ), and RFFE (eg, second RFFE 234 ) can be pre-processed. The second RFIC 224 may convert the preprocessed 5G Sub6 RF signal into a baseband signal to be processed by a corresponding one of the first communication processor 212 or the second communication processor 214 .

The third RFIC 226 transmits the baseband signal generated by the second communication processor 214 to the RF of the 5G Above6 band (eg, about 6 GHz to about 60 GHz) to be used in the second network 294 (eg, 5G network). It can be converted into a signal (hereinafter referred to as 5G Above6 RF signal). Upon reception, a 5G Above6 RF signal may be obtained from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and pre-processed via a third RFFE 236 . The third RFIC 226 may convert the preprocessed 5G Above6 RF signal into a baseband signal to be processed by the second communication processor 214 . According to one embodiment, the third RFFE 236 may be formed as part of the third RFIC 226 .

According to an embodiment, the electronic device 101 may include the fourth RFIC 228 separately from or as at least a part of the third RFIC 226 . In this case, the fourth RFIC 228 converts the baseband signal generated by the second communication processor 214 into an RF signal (hereinafter, IF signal) of an intermediate frequency band (eg, about 9 GHz to about 11 GHz). After conversion, the IF signal may be transmitted to the third RFIC 226 . The third RFIC 226 may convert the IF signal into a 5G Above6 RF signal. Upon reception, the 5G Above6 RF signal may be received from the second network 294 (eg, 5G network) via an antenna (eg, antenna 248 ) and converted into an IF signal by the third RFIC 226 . . The fourth RFIC 228 may convert the IF signal into a baseband signal for processing by the second communication processor 214 .

According to an embodiment, the first RFIC 222 and the second RFIC 224 may be implemented as at least a part of a single chip or a single package. According to an embodiment, the first RFFE 232 and the second RFFE 234 may be implemented as a single chip or at least a part of a single package. According to an example, at least one antenna module of the first antenna module 242 or the second antenna module 244 may be omitted or may be combined with another antenna module to process RF signals of a plurality of corresponding bands.

According to an embodiment, the third RFIC 226 and the antenna 248 may be disposed on the same substrate to form the third antenna module 246 . For example, the wireless communication module 192 or the processor 120 may be disposed on the first substrate (eg, main PCB). In this case, the third RFIC 226 is located in a partial area (eg, the bottom surface) of the second substrate (eg, sub PCB) separate from the first substrate, and the antenna 248 is located in another partial region (eg, the top surface). is disposed, the third antenna module 246 may be formed. By disposing the third RFIC 226 and the antenna 248 on the same substrate, it is possible to reduce the length of the transmission line therebetween. This, for example, can reduce loss (eg, attenuation) of a signal in a high-frequency band (eg, about 6 GHz to about 60 GHz) used for 5G network communication by the transmission line. Accordingly, the electronic device 101 may improve the quality or speed of communication with the second network 294 (eg, a 5G network).

According to an example, the antenna 248 may be formed as an antenna array including a plurality of antenna elements that can be used for beamforming. In this case, the third RFIC 226 may include, for example, as a part of the third RFFE 236 , a plurality of phase shifters 238 corresponding to a plurality of antenna elements. During transmission, each of the plurality of phase shifters 238 may transform the phase of a 5G Above6 RF signal to be transmitted to the outside of the electronic device 101 (eg, a base station of a 5G network) through a corresponding antenna element. . Upon reception, each of the plurality of phase shifters 238 may convert the phase of the 5G Above6 RF signal received from the outside through a corresponding antenna element into the same or substantially the same phase. This enables transmission or reception through beamforming between the electronic device 101 and the outside.

The second network 294 (eg, 5G network) may be operated independently from the first network 292 (eg, legacy network) (eg, Stand-Alone (SA)) or connected and operated (eg: Non-Stand Alone (NSA)). For example, the 5G network may have only an access network (eg, 5G radio access network (RAN) or next generation RAN (NG RAN)), and may not have a core network (eg, next generation core (NGC)). In this case, after accessing the access network of the 5G network, the electronic device 101 may access an external network (eg, the Internet) under the control of a core network (eg, evolved packed core (EPC)) of the legacy network. Protocol information for communication with a legacy network (eg, LTE protocol information) or protocol information for communication with a 5G network (eg, New Radio (NR) protocol information) is stored in the memory 230, and other components (eg, processor 120 , the first communication processor 212 , or the second communication processor 214 ).

3 is a diagram illustrating a protocol stack structure of a network 100 of legacy communication and/or 5G communication according to an embodiment.

Referring to FIG. 3 , the network 100 according to the illustrated embodiment may include an electronic device 101 , a legacy network 392 , a 5G network 394 , and a server 108 .

The electronic device 101 may include an Internet protocol 312 , a first communication protocol stack 314 , and a second communication protocol stack 316 . The electronic device 101 may communicate with the server 108 through the legacy network 392 and/or the 5G network 394 .

According to an embodiment, the electronic device 101 may perform Internet communication associated with the server 108 using the Internet protocol 312 (eg, TCP, UDP, or IP). The Internet protocol 312 may be executed, for example, in a main processor (eg, the main processor 121 of FIG. 1 ) included in the electronic device 101 .

According to another embodiment, the electronic device 101 may wirelessly communicate with the legacy network 392 using the first communication protocol stack 314 . According to another embodiment, the electronic device 101 may wirelessly communicate with the 5G network 394 using the second communication protocol stack 316 . The first communication protocol stack 314 and the second communication protocol stack 316 may be executed, for example, in one or more communication processors (eg, the wireless communication module 192 of FIG. 1 ) included in the electronic device 101 . have.

The server 108 may include an Internet protocol 322 . The server 108 may transmit/receive data related to the electronic device 101 and the Internet protocol 322 through the legacy network 392 and/or the 5G network 394 . According to one embodiment, server 108 may include a cloud computing server residing outside legacy network 392 or 5G network 394 . In other embodiments, the server 108 may include an edge computing server (or mobile edge computing (MEC) server) located inside at least one of the legacy network or the 5G network 394 .

The legacy network 392 may include an LTE base station 340 and an EPC 342 . The LTE base station 340 may include an LTE communication protocol stack 344 . EPC 342 may include legacy NAS protocol 346 . The legacy network 392 may perform LTE wireless communication with the electronic device 101 using the LTE communication protocol stack 344 and the legacy NAS protocol 346 .

The 5G network 394 may include an NR base station 350 and a 5GC 352 . The NR base station 350 may include an NR communication protocol stack 354 . 5GC 352 may include 5G NAS protocol 356 . The 5G network 394 may perform NR wireless communication with the electronic device 101 using the NR communication protocol stack 354 and the 5G NAS protocol 356 .

According to one embodiment, the first communication protocol stack 314 , the second communication protocol stack 316 , the LTE communication protocol stack 344 and the NR communication protocol stack 354 include a control plane protocol for sending and receiving control messages and It may include a user plane protocol for transmitting and receiving user data. The control message may include, for example, a message related to at least one of security control, bearer establishment, authentication, registration, or mobility management. The user data may include, for example, data other than the control message.

According to an embodiment, the control plane protocol and the user plane protocol may include physical (PHY), medium access control (MAC), radio link control (RLC), or packet data convergence protocol (PDCP) layers. The PHY layer, for example, channel-codes and modulates data received from an upper layer (e.g., MAC layer) and transmits it to a radio channel, demodulates and decodes data received through the radio channel, and transmits it to an upper layer. have. The PHY layer included in the second communication protocol stack 316 and the NR communication protocol stack 354 may further perform an operation related to beam forming. The MAC layer may, for example, logically/physically map data to/from a wireless channel to transmit/receive data, and may perform hybrid automatic repeat request (HARQ) for error correction. The RLC layer may perform concatenation, segmentation, or reassembly of data, and order check, rearrangement, or redundancy check of data, for example. The PDCP layer may perform operations related to, for example, encryption of control messages and user data and data integrity. The second communication protocol stack 316 and the NR communication protocol stack 354 may further include a service data adaptation protocol (SDAP). SDAP may manage radio bearer assignment based on, for example, Quality of Service (QoS) of user data.

According to various embodiments, the control plane protocol may include a radio resource control (RRC) layer and a non-access stratum (NAS) layer. The RRC layer may process control data related to, for example, radio bearer setup, paging, or mobility management. The NAS may process control messages related to, for example, authentication, registration, and mobility management.

4 is a diagram illustrating an electronic device and a cellular network according to various embodiments of the present disclosure;

According to various embodiments of the present invention, the cellular network 400 includes a first node (eg, NR base station 350 in FIG. 3) 410, a second node (eg, NR base station 350 in FIG. 3) ( 420 ) and/or a third node (eg, the LTE base station 340 or the NR base station 350 of FIG. 3 ) 430 .

According to various embodiments of the present invention, the first node 410 may be a base station supporting the first cellular communication. The first cellular communication may refer to any one of various cellular communication methods supported by the electronic device 500 , for example, a communication method on the second cellular network 294 of FIG. 2 . For example, the first cellular communication may be any one of 5G mobile communication methods (eg, a communication method using FR1, which is a band of 6 GHz or less, or a communication method using FR2, which is a frequency band of 6 GHz or higher). According to an embodiment, the first node 410 may be a node that outputs a signal of a first frequency band (eg, a frequency band of 6 GHz or higher).

According to various embodiments of the present invention, the second node 420 may be a base station supporting the first cellular communication. According to an embodiment, the second node 420 may be a node that outputs a signal of a second frequency band different from the first frequency band (eg, a frequency band of 6 GHz or higher).

According to various embodiments of the present invention, the third node 430 may be a base station supporting the first cellular communication. According to an embodiment, the third node 430 may be a node that outputs a signal of a third frequency band (eg, a frequency band of 6 GHz or higher) different from the first frequency band and/or the second frequency band.

According to various embodiments of the present disclosure, the electronic device 500 may be connected to a node for various reasons. According to an embodiment, the electronic device 500 may be connected to the second node and/or the third node 430 according to the movement of the electronic device 500 while being connected to the first node 410 . . According to another embodiment, the electronic device 500 may be connected to any one node without being connected to the first node 410 , the second node 420 , and/or the third node 430 . have.

According to various embodiments of the present disclosure, in order to connect to a node, the electronic device 500 searches for a connectable node, measures the quality of a signal transmitted by the searched node, and the measurement result may be reported to the core network (eg, 5GC 352 in FIG. 3 ) through a connected node or a node to be connected. The core network 352 may select a node to which the electronic device 500 is connected, based on the measurement result transmitted by the electronic device 500 , and transmit a message instructing connection with the selected node to the electronic device 500 . have. The electronic device 500 and the node to be connected may perform an operation for connection between the electronic device 500 and the node to be connected based on the reception of the message.

According to various embodiments of the present disclosure, the electronic device 500 may receive information for node search from a connected node. According to an embodiment, the electronic device 500 may receive an RRC reconfiguration message. The RRC reconfiguration message may include information related to a measurement object (measObject) related to at least one or more nodes connectable to the electronic device 500 and/or information related to a report object of a measurement result. The measurement target is information required for the electronic device 500 to perform measurement, and includes frequency band information (eg, channel information) and/or frequency band information for performing node search and quality measurement of the found node. It may include identification information (eg, physical cell ID) of a node that outputs a signal of a frequency band. The reporting condition is a condition for reporting the measured quality. Identification information of an event (eg, B1 event, B2 event) related to quality reporting, a specified value (threshold) and/or quality related to the quality of a signal transmitted by a node It may include a time to trigger (TTT) for maintaining the satisfaction of a related condition.

According to various embodiments of the present disclosure, the electronic device 500 may receive an RRC reconfiguration message from a connected node and identify a measurement target. According to an embodiment, the electronic device 500 includes a first measurement target having frequency band information of a first frequency band, a second measurement target having frequency band information of a second frequency band, and a frequency band of a third frequency band A third measurement object having information may be identified, and nodes corresponding to all measurement objects may be searched.

According to various embodiments of the present disclosure, after completing the node search, the electronic device 500 may measure the quality of the searched node. The electronic device 500 measures the quality (eg, reference signal received power (RSRP) or reference signal received quality (RSRQ)) of a signal broadcast by the found node, and transmits a report message including the measurement result to the connected node. can The report message may include identification information of the quality measurement result, identification information of the measured node (eg, physical cell ID) and/or information included in the signal transmitted by the measured node (eg, synchronization signal block (SSB)). can

According to various embodiments of the present disclosure, as the number of measurement objects increases, the time required for node search may increase in the electronic device 500 . For example, when searching for a node to use communication in the FR2 band, the electronic device 500 may receive information on a plurality of measurement objects and perform a search for nodes corresponding to the plurality of measurement objects. have. Furthermore, when the electronic device 500 supports communication using a beam, the electronic device 500 performs a node search using each of the beams that can be generated, so that the time required for the node search is longer. can increase After the node is searched, the electronic device 500 may measure the quality of a signal transmitted by the searched node, and as the number of searched nodes increases, the time required to measure the quality may increase. In the electronic device 500 , a delay time until reporting the quality measurement result may increase, and it may take time to attach to a node, so that communication performance may decrease.

Hereinafter, an embodiment of a node search and quality measurement operation will be described so that the electronic device 500 can quickly connect to a specific node.

5 is a block diagram of an electronic device according to various embodiments of the present disclosure;

Referring to FIG. 5 , an electronic device (eg, the electronic device 101 of FIG. 1 ) 500 according to various embodiments of the present disclosure includes a communication circuit (eg, the wireless communication module of FIG. 1 ) 510 and/or It may include a processor (eg, the processor 120 of FIG. 1 , the first communication processor 212 of FIG. 2 , and/or the second communication processor 242 of FIG. 2 ) 520 .

According to various embodiments of the present disclosure, the processor 520 may be operatively connected to the communication circuit 510 . The processor 520 may control components of the electronic device 500 . For example, the processor 520 may control the configurations of the electronic device 500 according to one or more instructions stored in a memory (eg, the memory 130 of FIG. 1 ).

According to various embodiments of the present invention, the communication circuit 51 0) may provide communication with an external electronic device (eg, the external electronic device 104 of FIG. 1 ) to the electronic device 500 through at least one network. For example, the communication circuit 510 may be configured to communicate with an external electronic device through the first node 410 , the second node 420 , and/or the third node 430 . For example, the first node 410 , the second node 420 , and/or the third node 430 may communicate with the electronic device 500 through a cellular network (eg, the cellular network 400 of FIG. 4 ) and externally. Communication of the electronic device 104 may be supported.

According to various embodiments of the present disclosure, the processor 520 performs a hand-over for switching from a currently connected node to another node, or when switching from an RRC idle state to an RRC connected state, actions can be performed.

According to various embodiments of the present disclosure, the processor 520 may receive information for node search from a connected node. Information for node discovery may be included in an RRC reconfiguration message, and the processor 520 may receive the RRC reconfiguration message through a communication circuit.

According to various embodiments of the present disclosure, the RRC reconfiguration message includes information related to a measurement object (measObject) related to at least one or more nodes connectable to the electronic device 500 and/or a report object of a measurement result. ) and related information.

According to various embodiments of the present disclosure, the measurement target includes frequency band information (eg, channel information) for performing measurement and/or identification information of a node that outputs a signal of a frequency band included in the frequency band information (eg: physical cell ID). The processor 520 may receive, through the communication circuit 510 , a plurality of measurement targets before searching for a node broadcasting a signal of the FR2 band.

The plurality of measurement targets may correspond to different frequency bands (eg, a first frequency band, a second frequency band, and/or a third frequency band). Each of the plurality of measurement objects may include identification information of the measurement object, a channel number corresponding to a frequency band of the measurement object, and identification information (PCI, Physical Cell ID) of a node to be measured.

For convenience of description, it is assumed that the plurality of measurement objects include a first measurement object, a second measurement object, and/or a third measurement object. The first measurement object, the second measurement object, and/or the third measurement object may be implemented as shown in Table 1 below.

Identification information of the measurement object (Measurement Object) channel number PCI first measurement object MO0 One Identification information of the first node 410 second measurement target MO1 2 Identification information of the second node 420 Third measurement target MO2 3 Identification information of the third node 430

According to various embodiments of the present invention, the information related to the reporting condition included in the RRC reconfiguration message may include the reporting condition. The reporting condition is a condition for reporting the quality of the signal measured by the electronic device 500 and transmitted by the node, and is an event related to quality reporting (eg, A1 event, A2 event, A3 event, A4 event, A5 event). , B1 event and/or B2 event) identification information, a specified value (threshold) related to the quality of a signal transmitted by the node, and/or a time to trigger (TTT) for maintaining satisfaction of a quality related condition can

According to various embodiments of the present disclosure, after receiving the RRC configuration message, the processor 520 searches for a node corresponding to at least some of the plurality of measurement objects, or performs all measurements among the plurality of measurement objects. The communication circuit 510 may be controlled to perform one of operations of searching for a node corresponding to a target.

According to various embodiments of the present disclosure, the operation of searching for a node corresponding to at least some of the plurality of measurement objects includes a node that outputs a signal of a frequency band included in at least some of the plurality of measurement objects. and performing quality measurement of the previously found node before searching for a node that outputs a signal of a frequency band included in another part of the measurement target.

At least some of the plurality of measurement objects may include at least one measurement object. For example, the processor 520 may search for a node corresponding to one measurement target and measure the quality of a signal transmitted by the searched node. As another example, the processor 520 may search for a node corresponding to two measurement objects and measure the quality of a signal transmitted by the searched node.

According to various embodiments of the present disclosure, the processor 520 may set the number of measurement targets to be used in searching for a node differently according to characteristics of a communication service used by the electronic device 500 . For example, the processor 520 may reduce the number of measurement targets to be used in searching for a node when a communication service having a characteristic requiring a fast attach is performed. As another example, the processor 520 may increase the number of measurement targets to be used in searching for a node when performing a communication service having a characteristic requiring a stable connection.

According to various embodiments of the present invention, measurement of the quality of a signal transmitted by the found node measures characteristics (eg, received signal strength indicator (RSSI), reference signal received power (RSRP)) that can indicate the quality of the signal. can mean doing

According to various embodiments of the present disclosure, the processor 520 receives PSS ( Based on a synchronization signal of a primary synchronization signal) and/or a secondary synchronization signal (SSS), the communication circuit 510 may be controlled to perform synchronization with the node. The processor 520 may measure the quality of a signal transmitted by the node at least once after synchronization with the node is completed. As the quality measurement of the found node is completed, the processor 520 may control the communication circuit 510 to search for a node corresponding to another part of the measurement target.

For example, the processor 520 may perform a communication circuit 510 to search for a node (eg, the first node 410 ) that outputs a signal of a first frequency band included in the first measurement object among a plurality of measurement objects. control, and after performing an operation of measuring the quality of the signal transmitted by the searched first node 410, the second measurement target and/or the third measurement target among the plurality of measurement targets The communication circuit 510 may be controlled to search for a node (eg, the second node 420 and/or the third node 430 ) that outputs a signal of the included second frequency band and/or the third frequency band. have.

According to various embodiments of the present disclosure, the processor 520 may transmit the quality measurement result to the connected node based on the quality measurement result of the first node 410 satisfying the reporting condition. For example, the processor 520 may determine that the report condition is satisfied based on the quality measurement result of the first node 410 being greater than or equal to a threshold, and transmit the quality measurement result to the connected node. . For another example, the processor 520 determines that the reporting condition is satisfied, based on maintaining a state in which the quality measurement result of the first node 410 is equal to or greater than the threshold value for a specified time (TTT) or more, and the quality measurement result can be transmitted to the connected node.

The processor 520 may transmit the quality measurement result to the connected node based on that the quality measurement result of the first node 510 satisfies a reporting condition while searching for a node corresponding to another measurement target.

According to various embodiments of the present disclosure, the node (eg, the second node 420 ) that has received the quality measurement result transmitted by the electronic device 500 is connected to the first node 410 and the electronic device based on the quality measurement result. It is possible to determine whether to connect between the devices 500 . The second node 420 may transmit a signal requesting a connection to the first node 410 to the electronic device 500 . The processor 520 may perform a series of operations for connection with the first node 410 based on receiving a signal requesting a connection to the first node 410 .

According to various embodiments of the present disclosure, the operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects includes searching for a node outputting signals of all frequency bands included in each of the plurality of measurement objects, and the node After the search for is completed, the operation of measuring the quality of the searched node may be included.

For example, the processor 520 is a node (eg, a first node) that outputs signals of all frequency bands (eg, a first frequency band, a second frequency band, and a third frequency band) included in the plurality of measurement targets. The communication circuit 510 may be controlled to search for the 410 , the second node 420 , and the third node 430 . The processor 520 performs an operation of measuring the quality of signals transmitted by the searched nodes (eg, the first node 410 , the second node 420 , and the third node 430 ). ) can be controlled. After the signal quality measurement operation is completed, the processor 520 may transmit the quality measurement result satisfying the specified condition to the connected node for connection with the node corresponding to the measured quality satisfying the specified condition.

When searching for a node, the processor 520 may check at least one beam transmitted by the node. The processor 520 checks identification information (SS index) of a synchronization signal (SS) block included in the beam transmitted by the node or identification information (PBCH index) of a physical broadcast channel (PBCH) included in the SS block, The electronic device 500 may search for a beam forming a pair with the identified beam among a plurality of output beams (or the identified beam and a beam with the highest quality among a plurality of outputable beams by the electronic device 500 ). . The processor 520 may transmit a quality measurement result including identification information of the searched beam and identification information of one of beams transmitted by the node to the node. When there are a plurality of beams transmitted by a node, the processor 520 may perform an operation of searching for a beam forming a pair with each of the plurality of beams.

According to various embodiments of the present disclosure, the processor 520 may perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects based on the number of measurement objects or all measurement among the plurality of measurement objects. One of the operations of searching for a node corresponding to the target may be performed. According to an embodiment, the processor 520 performs an operation of searching for a node corresponding to at least some of the plurality of measurement objects based on the number of measurement objects being greater than (or exceeding) the specified number. Also, based on the fact that the number of measurement objects is less than (or less than) the specified number, one operation among the operations of searching for nodes corresponding to all measurement objects among the plurality of measurement objects may be performed. The specified number may be a value for preventing the transmission of the quality measurement result from being delayed, and may be set by a manufacturer of the electronic device 500 or an operator of a cellular network (eg, the cellular network of FIG. 4 ).

According to various embodiments of the present disclosure, when the electronic device 500 supports signal transmission or reception through beamforming, the processor 520 uses each of the beams that the electronic device 500 can generate. , node search can be performed, and as the number of beams that can be created increases, the time required for node search may increase. The processor 520 may perform an operation of searching for a node corresponding to at least some of the plurality of measurement objects based on the number of beams that the electronic device 500 can form, or performing an operation of searching for a node corresponding to at least some of the plurality of measurement objects. One of the operations of searching for a corresponding node may be performed. According to an embodiment, the processor 520 may perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects based on the number of beams being equal to or greater than (or exceeding) the specified number. And, based on the fact that the number of beams is less than (or less than) the specified number, one operation among the operations of searching for nodes corresponding to all measurement objects among the plurality of measurement objects may be performed. Alternatively, when the electronic device 500 includes a plurality of communication circuits 510 (or an antenna module (eg, the antenna 248 of FIG. 2 ) to support beamforming), Based on the number and the number of communication circuits, one of an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching for nodes corresponding to all measurement objects among the plurality of measurement objects based on the number and the number of communication circuits The specified number may be a value for preventing the transmission of the quality measurement result from being delayed, and is determined by the manufacturer of the electronic device 500 or the operator of the cellular network (eg, the cellular network of FIG. 4 )). can be set.

According to various embodiments of the present disclosure, the processor 520 searches for a node corresponding to at least some of the plurality of measurement objects based on the frequency band included in the measurement object or the plurality of measurement objects. Among the operations of searching for nodes corresponding to all measurement objects, one operation may be performed. In the case of a communication method using a frequency band of 6 GHz or higher (5th generation mobile communication in FR2 band), the number of measurement targets may increase, and communication method using a frequency band of 6 GHz or less (5th generation mobile communication in FR1 band, LTE) In the case of , the number of measurement targets may be reduced (eg, one measurement target) compared to a communication method using a frequency band of 6 GHz or higher. According to an embodiment, the processor 520 searches for a node corresponding to at least some of the plurality of measurement objects based on a frequency band included in the measurement object being greater than or equal to a specified value (eg, 6 GHz). may be performed, and based on the frequency band included in the measurement object being less than or equal to a specified value, one operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects may be performed. The specified value may be a value for preventing the transmission of the quality measurement result from being delayed, and may be set by a manufacturer of the electronic device 500 or an operator of a cellular network (eg, the cellular network of FIG. 4 ).

According to various embodiments of the present disclosure, the processor 520, based on a time (TTT) for maintaining satisfaction of a condition related to the quality of a signal included in the report target, is configured to One of an operation of searching for a corresponding node or an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects may be performed. As the time for maintaining the satisfaction of the condition related to signal quality increases, the nodes 410, 420, and 430 are configured such that the connection between the electronic device 500 and the nodes 410, 420, and 430 occurs at a relatively low frequency. it may be operational. Accordingly, the processor 520, based on the time for maintaining the satisfaction of the condition related to the quality of the signal included in the measurement object is less than or equal to a specified value (eg, 5120 ms), the measurement target of at least some of the plurality of measurement targets may perform an operation of searching for a node corresponding to One of the operations of searching for nodes corresponding to all measurement objects may be performed. The specified value may be a value for preventing the transmission of the quality measurement result from being delayed, and may be set by a manufacturer of the electronic device 500 or an operator of a cellular network (eg, the cellular network of FIG. 4 ).

According to various embodiments of the present disclosure, the processor 520 selects a node corresponding to at least some of a plurality of measurement objects based on a specified value related to the quality of a signal transmitted by a node included in the report object. One of an operation of searching or an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects may be performed. The nodes 410, 420, and 430 are operated so that the connection between the electronic device 500 and the nodes 410, 420, and 430 occurs with a relatively low frequency as the specified value related to the quality of the signal transmitted by the node increases. it may be Alternatively, the nodes 410, 420, and 430 such that the connection between the electronic device 500 and the nodes 410, 420, and 430 occurs with a relatively high frequency as the specified value related to the quality of the signal transmitted by the node is smaller. may be operating. Accordingly, the processor 520 selects a node corresponding to the measurement target of at least some of the plurality of measurement targets based on the specified value related to the quality of the signal included in the measurement target being less than or equal to the specified value (eg, -130dbm). It is possible to perform a search operation, and based on the specified value related to the quality of the signal included in the measurement object being greater than or equal to the specified value (eg -130dbm), it is a method of searching for nodes corresponding to all measurement objects among a plurality of measurement objects One of the operations may be performed. The specified value may be a value for preventing the transmission of the quality measurement result from being delayed, and may be set by a manufacturer of the electronic device 500 or an operator of a cellular network (eg, the cellular network of FIG. 4 ).

According to various embodiments of the present disclosure, based on the state of the electronic device 500 , the processor 520 searches for a node corresponding to at least some of the plurality of measurement objects or the plurality of measurement objects Among the operations of searching for nodes corresponding to all measurement objects, one operation may be performed. The state of the electronic device 500 may include a state in which a function (or application) requiring a communication service having a low delay time is executed. In order to implement a communication service requiring low latency, a fast attach to a node may be required. The processor 520 may perform an operation of searching for a node corresponding to at least some of the plurality of measurement objects based on confirming that a function requiring a communication service having a low delay time is being executed. The state of the electronic device 500 may include a state in which a function (or application) requiring a communication service having a characteristic requiring a stable connection is executed. In order to implement a communication service requiring a stable connection, it may be necessary to attach to a node having a relatively high quality. The processor 520 may perform an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects based on confirming that a function requiring a communication service requiring a stable connection is being executed.

According to various embodiments of the present invention, the processor 520, based on receiving a plurality of measurement objects included in the RRC reconfiguration message. A search order of frequency bands included in a plurality of measurement objects may be determined. According to an embodiment, the processor 520 may determine the search order of the frequency bands included in the plurality of measurement targets in consideration of the performance of the communication circuit 510 . For example, when the performance of the communication circuit 510 in a specific frequency band (eg, the first frequency band) is relatively better than that in another frequency band (eg, the third frequency band), the processor 520 may , among a plurality of measurement objects, a node transmitting a signal of a first frequency band that is a frequency band included in the first measurement object may be searched first.

4 , the electronic device 500 searches for all nodes corresponding to a plurality of measurement targets, measures the quality of signals transmitted by each of the searched nodes, and transmits the quality measurement result. On the other hand, in the case of the embodiment described in FIG. 5 , instead of searching all nodes corresponding to a plurality of measurement objects, nodes corresponding to some measurement objects among the plurality of measurement objects are first searched and the quality of a signal transmitted by the searched node After measuring , by searching for a node corresponding to another measurement target, the quality measurement result can be transmitted relatively faster than in the embodiment illustrated in FIG. 4 . Accordingly, the electronic device 500 may perform attach relatively faster than the embodiment illustrated in FIG. 4 , and may improve communication quality.

6A and 6B are diagrams illustrating an embodiment in which an electronic device searches for a node and measures and reports the quality of a signal transmitted by the node according to various embodiments of the present invention.

6A is a diagram illustrating an embodiment of measuring and reporting the quality of a signal transmitted by the searched node after searching for nodes corresponding to all measurement objects among a plurality of measurement objects.

Referring to FIG. 6A , the operation of searching for a node corresponding to all measurement objects 610 , 620 , 630 , 640 and 650 among a plurality of measurement objects 610 , 620 , 630 , 640 , 650 includes the plurality of measurement objects searching for a node that outputs signals of all frequency bands included in each, and performing quality measurement of the found node after the node search is completed.

The electronic device (eg, the electronic device 500 of FIG. 4 ) includes all frequency bands (eg, a first frequency band, a second frequency band, and a second frequency band) included in the plurality of measurement objects 610 , 620 , 630 , 640 , and 650 . A node (eg, the first node 410 , the second node 420 , and the third node 430 ) outputting signals of 3 frequency bands) may be searched for.

The electronic device 500 may search whether a node transmitting a signal of the first frequency band included in the first measurement target 610 exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 611 ). When the electronic device 500 includes a plurality of communication circuits (eg, the communication circuit 510 of FIG. 5 ), a node is searched for by using a combination of identification information of the plurality of communication circuits 510 and identification information of a beam. You may. The electronic device 500 searches for a node transmitting a signal of a first frequency band using a specific beam (eg, a beam having identification information of No. 1), and then the second frequency included in the second measurement target 620 . It is possible to search whether there is a node transmitting a signal in the band. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 621 ). Based on terminating the search for a node that transmits a signal of the second frequency band included in the second measurement target 620 , the electronic device 500 determines the third frequency band included in the third measurement target 630 . It is possible to search whether a node transmitting a signal exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 631 ). Based on terminating the search for a node that transmits a signal of the third frequency band included in the third measurement target 630 , the electronic device 500 determines the value of the fourth frequency band included in the fourth measurement target 640 . It is possible to search whether a node transmitting a signal exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node (641). Based on the end of the search for a node transmitting a signal of the fourth frequency band included in the fourth measurement target 640 , the electronic device 500 sends the electronic device 500 to the fifth measurement target 650 . It is possible to search whether a node transmitting a signal of the included fifth frequency band exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 651 ).

According to various embodiments of the present disclosure, the electronic device 500 may perform an operation of measuring the quality of a signal transmitted by the searched node based on the completion of the node search. The electronic device 500 receives a synchronization signal (SS) block transmitted by a node transmitting a signal of a first frequency band, and a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block. can measure the quality of (613). The electronic device 500 may measure ( 615 ) the signal of the first frequency band transmitted by the node at least several times. After the measurement of the quality of the signal of the first frequency band is completed, the electronic device 500 searches for a node transmitting the signal of the second frequency band using a specific beam (eg, a beam having identification information of No. 2), A synchronization signal (SS) block transmitted by the found node may be received, and the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block may be measured (623). The electronic device 500 may measure the signal of the second frequency band transmitted by the node at least several times ( 625 ). After the measurement of the quality of the signal of the second frequency band is completed, the electronic device 500 performs quality measurement of the node transmitting the signal of the third frequency band based on the failure of the node search. may not After the measurement of the quality of the signal of the second frequency band is completed, the electronic device 500 searches for a node that transmits a signal of the fourth frequency band using a specific beam (eg, a beam having identification information number 1), A synchronization signal (SS) block transmitted by the found node may be received, and the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block may be measured ( 643 ). The electronic device 500 may measure the signal of the fourth frequency band transmitted by the node at least several times ( 645 ). After the measurement of the quality of the signal of the fourth frequency band is completed, the electronic device 500 searches for a node transmitting a signal of the fifth frequency band using a specific beam (eg, a beam having identification information of 0), A synchronization signal (SS) block transmitted by the found node may be received, and the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block may be measured (653). The electronic device 500 may measure the signal of the fifth frequency band transmitted by the node at least several times ( 655 ).

When the measurement result satisfies the specified condition, the electronic device 500 may report the measurement result to the connected node ( 617 ). Referring to FIG. 6A , the electronic device 500 is based on the fact that the measurement result of the signal quality of the first frequency band satisfies a specified condition (eg, a state in which the signal quality is equal to or greater than a specified value is maintained for a specified time (TTT) or longer). Thus, the measurement result may be reported (617). Referring to FIG. 6A , it can be confirmed that the reporting time 661 of the measurement result is after all quality measurements corresponding to the measurement objects 610 , 620 , 630 , 640 and 650 are completed.

6B is a diagram illustrating an embodiment of measuring and reporting the quality of a signal transmitted by the searched node after searching for a node corresponding to at least some of a plurality of measurement objects.

Referring to FIG. 6B , the operation of searching for a node corresponding to at least a portion 610 of a plurality of measurement objects 610 , 620 , 630 , 640 and 650 includes at least some of the plurality of measurement objects 610 . Before searching ( 611 ) a node outputting a signal of a frequency band included in the and performing measurements 611 and 613 .

The electronic device 500 may search whether a node transmitting a signal of the first frequency band included in the first measurement target 610 exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 611 ). The electronic device 500 searches for a node transmitting a signal of a first frequency band using a specific beam (eg, a beam having identification information of number 1), and receives a synchronization signal (SS) block transmitted by the searched node, and , it is possible to measure the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block (613). The electronic device 500 may measure the signal of the first frequency band transmitted by the node at least several times ( 615 ).

The electronic device 500 determines whether there is a node transmitting the signal of the second frequency band included in the second measurement target 620 based on the completion of measurement 615 of the quality of the signal of the first frequency band. can be searched for. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node ( 621 ). The electronic device 500 searches for a node transmitting a signal of a second frequency band using a specific beam (eg, a beam having identification information of No. 2), and receives a synchronization signal (SS) block transmitted by the searched node, and , it is possible to measure the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block (623). The electronic device 500 may measure the signal of the first frequency band transmitted by the node at least several times ( 625 ).

According to various embodiments of the present disclosure, the electronic device 500 measures the signal of the first frequency band transmitted by the node at least several times ( 615 ), and when the measurement result satisfies a specified condition, the measurement result is The connected node may report 617 . It can be confirmed that the reporting time 663 in FIG. 6B precedes the reporting time 661 in FIG. 6A .

According to various embodiments of the present disclosure, the electronic device 500 is a node that outputs a signal of a frequency band corresponding to another measurement target after a measurement result is reported and before receiving a signal instructing to connect to a specific node. may be searched for, and a quality measurement operation of the found node may be performed.

The electronic device 500 may search whether a node transmitting a signal of the third frequency band included in the third measurement target 630 exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node (631). The electronic device 500 may not measure the quality of the node transmitting the signal of the third frequency band based on the failure of the node search.

The electronic device 500 may search whether a node transmitting a signal of the fourth frequency band included in the fourth measurement target 640 exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node (641). The electronic device 500 searches for a node transmitting a signal of a fourth frequency band using a specific beam (eg, a beam having identification information of No. 1), and receives a synchronization signal (SS) block transmitted by the searched node, and , the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block may be measured (643). The electronic device 500 may measure the signal of the fourth frequency band transmitted by the node at least several times ( 645 ).

The electronic device 500 may search whether a node transmitting a signal of a fifth frequency band included in the fifth measurement target 650 exists. Until a node that satisfies a specified condition (eg, quality is greater than or equal to a specified value) is searched for, the electronic device 500 may have supportable beams (eg, 0, 1, 2, 3, 4, or 5 identification information). 6 beams) may be sequentially used to search for a node (641). The electronic device 500 searches for a node transmitting a signal of a fifth frequency band using a specific beam (eg, a beam having identification information number 0), and receives a synchronization signal (SS) block transmitted by the searched node, and , it is possible to measure the quality of a demodulation reference signal (DM-RS) of a physical broadcast channel (PBCH) included in the SS block (653). The electronic device 500 may measure the signal of the fifth frequency band transmitted by the node at least several times ( 655 ).

7 is a diagram illustrating a sequence of node search and quality measurement of an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, after receiving the RRC configuration message, the electronic device (eg, the electronic device 500 of FIG. 5 ) searches for a node corresponding to at least some of a plurality of measurement objects. The communication circuit (eg, the communication circuit 510 of FIG. 5 ) may be controlled to perform one of an operation or an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects.

According to various embodiments of the present disclosure, the electronic device 500 provides information included in a plurality of measurement targets (eg, the number of measurement targets, frequency bands of measurement targets) and information included in a report condition (eg, a report target). The time (TTT) for maintaining the satisfaction of the conditions related to the quality of the signal included in the specified value related to the quality of the signal transmitted by the node included in the report object), the capability of the communication circuit 510 (eg, the communication circuit ( 510) and/or the state of the electronic device 500 (eg, a function or application that requires a specific service is activated), One of an operation of searching for a corresponding node or an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects may be performed.

According to various embodiments of the present disclosure, the operation of searching 710 for nodes corresponding to all measurement objects among the plurality of measurement objects is to search for nodes outputting signals of all frequency bands included in each of the plurality of measurement objects. and performing quality measurement of the found node after the node search is completed.

Referring to FIG. 7 , the electronic device 500 determines to search for nodes corresponding to all measurement objects among a plurality of measurement objects, and based on the determination that the first measurement object (eg, the first measurement object 610 of FIG. 6 ) is searched. )) search for a node outputting a signal of a first frequency band included in (711), and output a signal of a second frequency band included in a second measurement target (eg, the second measurement target 620 in FIG. 6) Search 712 for a node to be used, search 713 for a node that outputs a signal of the third frequency band included in the third measurement object (eg, the first measurement object 630 in FIG. 6) and/or the fourth measurement A node outputting a signal of the fourth frequency band included in the target (eg, the fourth measurement target 640 of FIG. 6 ) may be searched for ( 714 ). The electronic device 500 may measure the quality of a signal output by the searched node based on the completion of the search of all frequency bands. The electronic device 500 measures ( 715 ) the quality of the signal of the first frequency band output by the node, measures ( 716 ) the quality of the signal of the second frequency band output by the node, and the second frequency band output by the node ( 716 ) The quality of the signal of the third frequency band may be measured ( 717 ), and the quality of the signal of the fourth frequency band output by the node may be measured ( 718 ).

According to various embodiments of the present disclosure, the operation of searching 720 for a node corresponding to at least some of the plurality of measurement objects may include: 610), a node outputting a signal of a frequency band included in the second measurement object 620) is searched for, and another part of the measurement object (eg, the third measurement object 630, the fourth measurement object 640)) Before searching for a node that outputs a signal of a frequency band included in , it may include an operation of measuring the quality of the previously found node.

Referring to FIG. 7 , the electronic device 500 determines to search for nodes corresponding to all measurement objects among a plurality of measurement objects, and based on the determination that the first measurement object (eg, the first measurement object 610 of FIG. 6 ) is searched. )) search for a node outputting a signal of a first frequency band included in (711), and output a signal of a second frequency band included in a second measurement target (eg, the second measurement target 620 in FIG. 6) After searching 712 for a node to be used, the quality of the signal of the first frequency band output by the node is measured (715), and the quality of the signal of the second frequency band output by the node is measured (716). Based on the completion of measurement ( 715 , 716 ) of the quality of the signal output by the searched node, the electronic device 500 performs the first measurement included in the third measurement object (eg, the first measurement object 630 of FIG. 6 ). Searching for a node outputting a signal of the 3rd frequency band (713) and/or searching for a node outputting a signal of the fourth frequency band included in the fourth measurement target (eg, the fourth measurement target 640 of FIG. 6) (714) can be done. The electronic device 500 measures ( 717 ) the quality of the signal of the third frequency band output by the node based on the completion of the node search ( 713 , 714 ), and the signal of the fourth frequency band output by the node can measure 718 the quality of Through the above method, the electronic device 500 may implement a report of the quality measurement result faster than in operation 710 .

According to various embodiments of the present disclosure, in order to implement faster reporting of quality measurement results, the electronic device 500 searches for a node corresponding to one measurement target and performs an operation ( 730) may be repeated. The electronic device 500 searches ( 711 ) a node (eg, the first node 410 ) that outputs a signal of a first frequency band included in the first measurement object 610 among a plurality of measurement objects ( 711 ), and The quality of the signal of the first frequency band output by the node may be measured ( 715 ). The electronic device 500 searches for a node outputting a signal of the second frequency band included in the second measurement target 620 based on the completion of the measurement 715 of the quality of the signal of the first frequency band ( 712 ). ), and the quality of the signal of the second frequency band output by the searched node may be measured ( 716 ). The electronic device 500 searches for a node outputting a signal of the third frequency band included in the third measurement target 630 based on the completion of measurement 716 of the quality of the signal of the second frequency band ( 713 ). ), and the quality of the signal of the third frequency band output by the searched node may be measured ( 717 ). The electronic device 500 searches for a node outputting a signal of the fourth frequency band included in the fourth measurement target 640 based on the completion of measurement 717 of the quality of the signal of the third frequency band ( 714 ). ), and the quality of the signal of the fourth frequency band output by the searched node may be measured (718). Through the above method, the electronic device 500 may implement a report of the quality measurement result faster than in operation 720 .

An electronic device according to various embodiments of the present disclosure includes at least one communication circuit; and a processor, wherein the processor includes an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a report of a measurement result. ), and determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or searching for all nodes corresponding to the plurality of measurement objects among the plurality of measurement objects, and Based on determining to perform the operation of searching for nodes corresponding to at least some of the measurement objects, nodes corresponding to at least some of the plurality of measurement objects are searched for, and among the plurality of measurement objects Before searching for a node corresponding to some other part of the measurement target, quality measurement is performed on the found node, and based on the completion of the quality measurement, a node corresponding to another part of the measurement target among the plurality of measurement targets is selected. It can be set to search.

In the electronic device according to various embodiments of the present disclosure, the processor is configured to search for a node corresponding to some of the measurement objects among the plurality of measurement objects, based on the quality measurement result satisfying a specified condition, Measurement results can be transmitted.

In the electronic device according to various embodiments of the present disclosure, the processor searches for a node corresponding to the at least some of the plurality of measurement objects among the plurality of measurement objects based on the number of the plurality of measurement objects being greater than or equal to a specified value. When determining to perform an operation, and based on the number of the plurality of measurement objects being less than or equal to a specified value, the processor determines to perform the operation of searching all nodes corresponding to the plurality of measurement objects, the Based on the completion of the node search, it may be configured to perform quality measurement on the searched node.

In the electronic device according to various embodiments of the present disclosure, the operation of the processor searching for a node corresponding to at least some of the plurality of measurement objects based on a frequency band used to search for the node Alternatively, it may be determined whether to perform the operation of searching all nodes corresponding to the plurality of measurement targets.

In the electronic device according to various embodiments of the present disclosure, the processor checks a time to trigger (TTT) of a condition related to quality included in the information related to the report of the measurement result, and a value to which the holding time is designated Based on whether there is an abnormality, it may be determined whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all of the nodes corresponding to the plurality of measurement objects.

In the electronic device according to various embodiments of the present disclosure, the processor checks a threshold value included in the information related to the report of the measurement result, and based on whether the threshold value is greater than or equal to a specified value, It may be determined whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all of the nodes corresponding to the plurality of measurement objects.

In the electronic device according to various embodiments of the present disclosure, the processor is a node corresponding to at least some of the plurality of measurement objects based on the number of beams that the communication circuit can generate and/or the number of the communication circuits. It is possible to determine whether to perform the operation of searching for , or the operation of searching all nodes corresponding to the plurality of measurement targets.

In the electronic device according to various embodiments of the present disclosure, in the electronic device according to various embodiments of the present disclosure, the processor determines to perform an operation of searching for a node corresponding to at least some of the plurality of measurement objects, one of the plurality of measurement objects searches for a node corresponding to a measurement object of It may be configured to search for a node corresponding to another measurement object among measurement objects of .

In the electronic device according to various embodiments of the present disclosure, the processor may be configured to determine a search order of nodes corresponding to the plurality of measurement targets based on the capability of the communication circuit.

An electronic device according to various embodiments of the present disclosure includes at least one communication circuit; and a processor, wherein the processor includes an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a report of a measurement result. ), and searching for a node corresponding to at least some of the plurality of measurement objects, and searching for a node corresponding to another part of the plurality of measurement objects, quality of the found node It may be configured to perform a measurement and search for a node corresponding to another part of the plurality of measurement objects based on the completion of the quality measurement.

In the electronic device according to various embodiments of the present disclosure, while the processor performs quality measurement on the found node, the communication is not performed so as not to search for a node corresponding to another part of the plurality of measurement objects. You can control the circuit.

In the electronic device according to various embodiments of the present disclosure, the processor is configured to search for a node corresponding to some of the measurement objects among the plurality of measurement objects, based on the quality measurement result satisfying a specified condition, Measurement results can be transmitted.

8 is an operation flowchart illustrating a method 800 of operating an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, the electronic device (eg, the electronic device 500 of FIG. 5 ) may receive an RRC reconfiguration message in operation 810 .

According to various embodiments of the present disclosure, the RRC reconfiguration message includes information related to a measurement object (measObject) related to at least one or more nodes connectable to the electronic device 500 and/or a report object of a measurement result. ) and related information.

According to various embodiments of the present disclosure, the measurement target includes frequency band information (eg, channel information) for performing measurement and/or identification information of a node that outputs a signal of a frequency band included in the frequency band information (eg: physical cell ID). The processor 520 may receive, through the communication circuit 510 , a plurality of measurement targets before searching for a node broadcasting a signal of the FR2 band.

The plurality of measurement targets may correspond to different frequency bands (eg, a first frequency band, a second frequency band, and/or a third frequency band). Each of the plurality of measurement objects may include identification information of the measurement object, a channel number corresponding to a frequency band of the measurement object, and identification information (PCI, Physical Cell ID) of a node to be measured.

According to various embodiments of the present invention, the information related to the reporting condition included in the RRC reconfiguration message may include the reporting condition. The reporting condition is a condition for reporting the quality of the signal measured by the electronic device 500 and transmitted by the node, and is an event related to quality reporting (eg, A1 event, A2 event, A3 event, A4 event, A5 event). , B1 event and/or B2 event) identification information, a specified value (threshold) related to the quality of a signal transmitted by the node, and/or a time to trigger (TTT) for maintaining satisfaction of a quality related condition can

According to various embodiments of the present disclosure, in operation 820 , the electronic device 500 may search for a node corresponding to some measurement objects among a plurality of measurement objects included in the RRC reconfiguration message.

At least some of the plurality of measurement objects may include at least one measurement object. For example, the electronic device 500 may search for a node that outputs a signal of a frequency band included in at least one measurement target.

According to various embodiments of the present disclosure, the electronic device 500 may set the number of measurement targets to be used in searching for a node differently according to characteristics of a communication service used by the electronic device 500 . For example, the electronic device 500 may reduce the number of measurement targets to be used in searching for a node when performing a communication service having a characteristic requiring a fast attach. As another example, when performing a communication service having a characteristic requiring a stable connection, the electronic device 500 may increase the number of measurement targets to be used in searching for a node.

According to various embodiments of the present disclosure, the electronic device 500 may measure the quality of the found node in operation 830 .

According to various embodiments of the present invention, measurement of the quality of a signal transmitted by the found node measures characteristics (eg, received signal strength indicator (RSSI), reference signal received power (RSRP)) that can indicate the quality of the signal. can mean doing

According to various embodiments of the present disclosure, the electronic device 500 receives a PSS included in an SS block while searching for a node that outputs a signal of a frequency band included in at least some of a plurality of measurement objects. Based on a synchronization signal of a (primary synchronization signal) and/or a secondary synchronization signal (SSS), the communication circuit 510 may be controlled to perform synchronization with a node. The electronic device 500 may measure the quality of a signal transmitted by the node at least once after synchronization with the node is completed.

According to various embodiments of the present disclosure, in operation 840 , the electronic device 500 may search for a node corresponding to another part of the measurement target.

As the quality measurement of the found node is completed, the electronic device 500 may control the communication circuit 510 to search for a node corresponding to another part of the measurement target.

According to various embodiments of the present disclosure, the electronic device 500 may transmit the quality measurement result to the connected node based on that the quality measurement result of the first node 410 satisfies a reporting condition. For example, the electronic device 500 may determine that the reporting condition is satisfied based on the quality measurement result of the first node 410 being greater than or equal to a threshold, and transmit the quality measurement result to the connected node. have. As another example, the electronic device 500 determines that a report condition is satisfied, based on maintaining a state in which the quality measurement result of the first node 410 is equal to or greater than a threshold value for a specified time (TTT) or longer, and measures the quality The result can be sent to the connected node.

While searching for a node corresponding to another measurement target, the electronic device 500 may transmit the quality measurement result to the connected node based on that the quality measurement result of the first node 510 satisfies a reporting condition.

9 is an operation flowchart illustrating a method 900 of operating an electronic device according to various embodiments of the present disclosure.

According to various embodiments of the present disclosure, the electronic device (eg, the electronic device 500 of FIG. 5 ) may receive an RRC reconfiguration message in operation 910 .

According to various embodiments of the present disclosure, the RRC reconfiguration message includes information related to a measurement object (measObject) related to at least one or more nodes connectable to the electronic device 500 and/or a report object of a measurement result. ) and related information.

According to various embodiments of the present disclosure, the measurement target includes frequency band information (eg, channel information) for performing measurement and/or identification information of a node that outputs a signal of a frequency band included in the frequency band information (eg: physical cell ID). The processor 520 may receive, through the communication circuit 510 , a plurality of measurement targets before searching for a node broadcasting a signal of the FR2 band.

The plurality of measurement targets may correspond to different frequency bands (eg, a first frequency band, a second frequency band, and/or a third frequency band). Each of the plurality of measurement objects may include identification information of the measurement object, a channel number corresponding to a frequency band of the measurement object, and identification information (PCI, Physical Cell ID) of a node to be measured.

According to various embodiments of the present invention, the information related to the reporting condition included in the RRC reconfiguration message may include the reporting condition. The reporting condition is a condition for reporting the quality of the signal measured by the electronic device 500 and transmitted by the node, and is an event related to quality reporting (eg, A1 event, A2 event, A3 event, A4 event, A5 event). , B1 event and/or B2 event) identification information, a specified value (threshold) related to the quality of a signal transmitted by the node, and/or a time to trigger (TTT) for maintaining satisfaction of a quality related condition can

According to various embodiments of the present disclosure, in operation 920 , the electronic device 500 may determine whether to perform a node search corresponding to some of the plurality of measurement objects.

According to various embodiments of the present disclosure, the electronic device 500 provides information included in a plurality of measurement targets (eg, the number of measurement targets, frequency bands of measurement targets) and information included in a report condition (eg, a report target). The time (TTT) for maintaining the satisfaction of the conditions related to the quality of the signal included in the specified value related to the quality of the signal transmitted by the node included in the report object), the capability of the communication circuit 510 (eg, the communication circuit ( 510) and/or the state of the electronic device 500 (eg, a function or application that requires a specific service is activated), One of an operation of searching for a corresponding node or an operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects may be performed.

According to various embodiments of the present disclosure, in operation 930 , the electronic device 500 determines to perform a node search corresponding to some of the plurality of measurement objects (operation 920 -Y), You can search for a node corresponding to the measurement target of .

At least some of the plurality of measurement objects may include at least one measurement object. For example, the electronic device 500 may search for a node that outputs a signal of a frequency band included in at least one measurement target.

According to various embodiments of the present disclosure, the electronic device 500 may set the number of measurement targets to be used in searching for a node differently according to characteristics of a communication service used by the electronic device 500 . For example, the electronic device 500 may reduce the number of measurement targets to be used in searching for a node when performing a communication service having a characteristic requiring a fast attach. As another example, when performing a communication service having a characteristic requiring a stable connection, the electronic device 500 may increase the number of measurement targets to be used in searching for a node.

According to various embodiments of the present disclosure, the electronic device 500 may measure the quality of the found node in operation 940 .

According to various embodiments of the present invention, measurement of the quality of a signal transmitted by the found node measures characteristics (eg, received signal strength indicator (RSSI), reference signal received power (RSRP)) that can indicate the quality of the signal. can mean doing

According to various embodiments of the present disclosure, the electronic device 500 receives a PSS included in an SS block while searching for a node that outputs a signal of a frequency band included in at least some of a plurality of measurement objects. Based on a synchronization signal of a (primary synchronization signal) and/or a secondary synchronization signal (SSS), the communication circuit 510 may be controlled to perform synchronization with a node. The electronic device 500 may measure the quality of a signal transmitted by the node at least once after synchronization with the node is completed.

According to various embodiments of the present disclosure, in operation 950 , the electronic device 500 may search for a node corresponding to another part of the measurement target.

As the quality measurement of the found node is completed, the electronic device 500 may control the communication circuit 510 to search for a node corresponding to another part of the measurement target.

According to various embodiments of the present disclosure, the electronic device 500 may transmit the quality measurement result to the connected node based on that the quality measurement result of the first node 410 satisfies a reporting condition. For example, the electronic device 500 may determine that the reporting condition is satisfied based on the quality measurement result of the first node 410 being greater than or equal to a threshold, and transmit the quality measurement result to the connected node. have. As another example, the electronic device 500 determines that a report condition is satisfied, based on maintaining a state in which the quality measurement result of the first node 410 is equal to or greater than a threshold value for a specified time (TTT) or longer, and measures the quality The result can be sent to the connected node.

While searching for a node corresponding to another measurement target, the electronic device 500 may transmit the quality measurement result to the connected node based on that the quality measurement result of the first node 510 satisfies a reporting condition.

According to various embodiments of the present disclosure, in operation 960 , the electronic device 500 determines to perform a node search corresponding to all measurement objects among a plurality of measurement objects (operation 920 -N). You can search for a node corresponding to the target.

According to various embodiments of the present disclosure, the operation of searching for nodes corresponding to all measurement objects among a plurality of measurement objects includes searching for a node outputting signals of all frequency bands included in each of the plurality of measurement objects, and the node After the search for is completed, the operation of measuring the quality of the searched node may be included.

According to various embodiments of the present disclosure, the electronic device 500 may measure the quality of the found node in operation 970 .

For example, the electronic device 500 is a node (eg, a first frequency band) that outputs signals of all frequency bands (eg, a first frequency band, a second frequency band, and a third frequency band) included in the plurality of measurement targets. The communication circuit 510 may be controlled to search for the node 410 , the second node 420 , and the third node 430 . The electronic device 500 performs an operation of measuring the quality of a signal transmitted by the searched nodes (eg, the first node 410 , the second node 420 , and the third node 430 ). 510) can be controlled. After the signal quality measurement operation is completed, the electronic device 500 may transmit the quality measurement result satisfying the specified condition to the connected node for connection with the node corresponding to the measured quality that satisfies the specified condition. .

In a method of operating an electronic device according to various embodiments of the present disclosure, RRC reconfiguration including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to reporting a measurement result receiving an RRC reconfiguration message; determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching all nodes corresponding to the plurality of measurement objects; searching for nodes corresponding to at least some of the plurality of measurement objects based on determining to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects; performing quality measurement on the found node before searching for a node corresponding to some other measurement target among the plurality of measurement targets; and based on the completion of the quality measurement, searching for a node corresponding to another part of the plurality of measurement objects.

In a method of operating an electronic device according to various embodiments of the present disclosure, while searching for a node corresponding to some other measurement objects among the plurality of measurement objects, based on the quality measurement result satisfying a specified condition, the quality measurement is performed. The operation of transmitting the result may be further included.

A method of operating an electronic device according to various embodiments of the present disclosure may include: searching all nodes corresponding to the plurality of measurement objects based on the number of the plurality of measurement objects being equal to or less than a specified value; The method may further include performing quality measurement on the found node based on the completion of the node search.

In the method of operating an electronic device according to various embodiments of the present disclosure, an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching for all nodes corresponding to the plurality of measurement objects is performed. The operation of determining whether to perform is an operation of searching for a node corresponding to at least some of the plurality of measurement objects or corresponding to the plurality of measurement objects, based on a frequency band used to search for the node. It may include an operation of determining whether to perform an operation of searching all nodes.

In the method of operating an electronic device according to various embodiments of the present disclosure, an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching for all nodes corresponding to the plurality of measurement objects is performed. The operation of determining whether to perform may include: checking a time to trigger (TTT) of a condition related to quality included in the information related to the report of the measurement result; Whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects based on whether the holding time is equal to or greater than a specified value It may include an action to determine.

In the method of operating an electronic device according to various embodiments of the present disclosure, an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching for all nodes corresponding to the plurality of measurement objects is performed. The determining whether to perform may include: checking a threshold value included in information related to the report of the measurement result; Whether the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects is performed based on whether the threshold value is greater than or equal to a specified value It may include an operation to determine whether or not

In the method of operating an electronic device according to various embodiments of the present disclosure, an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching for all nodes corresponding to the plurality of measurement objects is performed. The operation of determining whether to perform is an operation of searching for a node corresponding to at least some of the plurality of measurement objects based on the number of beams that the communication circuit can generate and the number of the communication circuits or the plurality of measurement objects. It may include an operation of determining whether to perform an operation of searching all nodes corresponding to the target.

The method of operating an electronic device according to various embodiments of the present disclosure may further include determining a search order of nodes corresponding to the plurality of measurement targets based on the capability of the communication circuit.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may simply be used to distinguish an element from other elements in question, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product). Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a machine-readable storage medium (eg compact disc read only memory (CD-ROM)), or through an application store (eg Play Store™) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.

Claims (20)

In an electronic device,
at least one or more communication circuits; and
including a processor;
the processor
Receiving an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a measurement result report,
Determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects among the plurality of measurement objects,
Based on determining to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects, a node corresponding to at least some of the plurality of measurement objects is searched for,
Before searching for a node corresponding to another part of the measurement object among the plurality of measurement objects, quality measurement is performed on the searched node,
An electronic device configured to search for a node corresponding to another part of the plurality of measurement objects based on the completion of the quality measurement.
The method of claim 1,
the processor
The electronic device transmits the quality measurement result based on the satisfaction of the quality measurement result of a specified condition while searching for a node corresponding to another part of the plurality of measurement objects.
The method of claim 1,
the processor
Based on the number of the plurality of measurement objects being greater than or equal to a specified value, determining to perform the operation of searching for a node corresponding to the at least some of the plurality of measurement objects,
Based on the number of the plurality of measurement objects being less than or equal to a specified value, the processor,
determining to perform the operation of searching all nodes corresponding to the plurality of measurement objects;
An electronic device configured to perform quality measurement on the found node based on completion of the node search.
The method of claim 1,
the processor
The operation of searching for nodes corresponding to at least some of the plurality of measurement objects, or searching for all nodes corresponding to the plurality of measurement objects, based on a frequency band used to search for the node An electronic device that determines whether to perform an action.
The method of claim 1,
the processor
Check the maintenance time (time to trigger, TTT) of the condition related to the quality included in the information related to the report of the measurement result,
The operation of searching for nodes corresponding to at least some of the plurality of measurement objects, or the operation of searching for all nodes corresponding to the plurality of measurement objects, based on whether the holding time is equal to or greater than a specified value The electronic device that decides whether to perform.
The method of claim 1,
the processor
Check the threshold value included in the information related to the report of the measurement result,
The operation of searching for nodes corresponding to at least some of the plurality of measurement objects, or the operation of searching for all nodes corresponding to the plurality of measurement objects, based on whether the threshold value is equal to or greater than a specified value The electronic device that decides whether to do it or not.
The method of claim 1,
the processor
The operation of searching for a node corresponding to at least some of the plurality of measurement objects based on the number of beams that the communication circuit can generate and/or the number of the communication circuits, or a node corresponding to the plurality of measurement objects An electronic device that determines whether to perform the operation of searching for all of the .
The method of claim 1,
the processor
Searching for a node corresponding to one measurement object among the plurality of measurement objects based on determining to perform an operation of searching for a node corresponding to at least some of the plurality of measurement objects,
Based on the completion of the search for the node corresponding to the one measurement target, quality measurement is performed on the searched node,
An electronic device configured to search for a node corresponding to another measurement object among the plurality of measurement objects based on the completion of the quality measurement.
The method of claim 1,
the processor
an electronic device configured to determine a search order of nodes corresponding to the plurality of measurement targets based on a capability of the communication circuit.
A method of operating an electronic device, comprising:
receiving an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a measurement result report;
determining whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or an operation of searching all nodes corresponding to the plurality of measurement objects;
searching for nodes corresponding to at least some of the plurality of measurement objects based on determining to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects;
performing quality measurement on the found node before searching for a node corresponding to some other measurement target among the plurality of measurement targets; and
and searching for a node corresponding to another portion of the plurality of measurement objects based on the completion of the quality measurement.
11. The method of claim 10,
The method of operating the electronic device includes
The method of operating an electronic device further comprising: transmitting the quality measurement result based on the quality measurement result satisfying a specified condition while searching for a node corresponding to another part of the measurement object among the plurality of measurement objects .
11. The method of claim 10,
The method of operating the electronic device comprises:
searching all nodes corresponding to the plurality of measurement objects based on the number of the plurality of measurement objects being less than or equal to a specified value;
The method of operating an electronic device further comprising performing a quality measurement on the found node based on the completion of the node search.
11. The method of claim 10,
The operation of determining whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all the nodes corresponding to the plurality of measurement objects among the plurality of measurement objects is
an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects, based on the frequency band used to search for the node; A method of operating an electronic device, comprising determining whether to perform the operation.
11. The method of claim 10,
The operation of determining whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all the nodes corresponding to the plurality of measurement objects among the plurality of measurement objects is
checking a time to trigger (TTT) of a condition related to quality included in the information related to the report of the measurement result;
Whether to perform an operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects based on whether the holding time is equal to or greater than a specified value A method of operating an electronic device, including determining.
11. The method of claim 10,
The operation of determining whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all the nodes corresponding to the plurality of measurement objects among the plurality of measurement objects is
checking a threshold value included in information related to the report of the measurement result;
Whether the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all nodes corresponding to the plurality of measurement objects is performed based on whether the threshold value is greater than or equal to a specified value A method of operating an electronic device, comprising determining whether or not to do so.
11. The method of claim 10,
The operation of determining whether to perform the operation of searching for nodes corresponding to at least some of the plurality of measurement objects or all the nodes corresponding to the plurality of measurement objects among the plurality of measurement objects is
Searching for nodes corresponding to at least some of the plurality of measurement objects or searching all nodes corresponding to the plurality of measurement objects based on the number of beams that the communication circuit can generate and the number of the communication circuits A method of operating an electronic device, comprising: determining whether to perform an operation to be performed.
11. The method of claim 10,
The method of operating the electronic device includes
and determining a search order of nodes corresponding to the plurality of measurement targets based on a capability of the communication circuit.
In an electronic device,
at least one or more communication circuits; and
including a processor;
the processor
Receiving an RRC reconfiguration message including information related to a plurality of measurement objects related to at least one node connectable to the electronic device and information related to a measurement result report,
Searching for a node corresponding to at least some of the plurality of measurement objects,
Before searching for a node corresponding to another part of the measurement object among the plurality of measurement objects, quality measurement is performed on the searched node,
An electronic device configured to search for a node corresponding to another part of the plurality of measurement objects based on the completion of the quality measurement.
19. The method of claim 18,
the processor
An electronic device for controlling the communication circuit so as not to perform a search for a node corresponding to another part of the plurality of measurement objects while performing the quality measurement on the found node.
19. The method of claim 18,
the processor
The electronic device transmits the quality measurement result based on the satisfaction of the quality measurement result of a specified condition while searching for a node corresponding to another part of the plurality of measurement objects.

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