CN111556533B - Cell residence control method and related equipment - Google Patents
Cell residence control method and related equipment Download PDFInfo
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- CN111556533B CN111556533B CN202010413651.9A CN202010413651A CN111556533B CN 111556533 B CN111556533 B CN 111556533B CN 202010413651 A CN202010413651 A CN 202010413651A CN 111556533 B CN111556533 B CN 111556533B
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000005259 measurement Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 22
- 101150096310 SIB1 gene Proteins 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 9
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- 230000000977 initiatory effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the application provides a cell residence control method and related equipment, wherein the method comprises the following steps: acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, wherein the load information corresponds to the cells one by one; and determining to reside in the first target cell according to the load information of the at least one cell, wherein the reliability of cell selection is improved by the embodiment of the application, so that the service quality of the terminal equipment is improved.
Description
Technical Field
The present disclosure relates to the field of mobile communications, and in particular, to a cell residence control method and related devices.
Background
When selecting a camping cell, the terminal device may select a cell according to BAR (forbidden) and UAC (User Account Control, user class access) broadcasted by the network device, etc. However, when the terminal device accesses and resides in the cell, the terminal device may be allocated very low resources by the cell, and even be refused to serve by the cell, so that the terminal device cannot obtain better resources even if the terminal device accesses the cell, the reliability of cell selection is poor, and the service quality requirement of the terminal device cannot be met.
Disclosure of Invention
The embodiment of the application provides a cell residence control method and related equipment, which are beneficial to improving the reliability of cell selection, thereby improving the service quality of terminal equipment.
An embodiment of the present application provides a method for controlling cell residence, including:
acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, wherein the load information corresponds to the cells one by one;
and determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
A second aspect of the embodiments of the present application provides a cell residence control method, including:
determining a plurality of load information, the plurality of load information being derived based on a traffic type;
broadcasting the plurality of load information.
A third aspect of the embodiments of the present application provides a cell residence control device, including:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, and the load information corresponds to the cells one by one;
and the processing module is used for determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
A fourth aspect of the present application provides a cell residence control device, including:
the processing module is used for determining a plurality of load information, and the plurality of load information is obtained based on the service type;
and the sending module is used for broadcasting the plurality of load information.
A fifth aspect of an embodiment of the present application provides an electronic device, including: a processor and a memory, the processor and the memory being interconnected, wherein the memory is adapted to store a computer program, the computer program comprising program instructions, the processor being configured to invoke the program instructions to perform the method according to the first or second aspect.
A sixth aspect of the embodiments of the present application provides a chip, where the chip includes a processor and a data interface, where the processor reads an instruction stored on a memory through the data interface, and performs the method described in the first aspect or the second aspect.
A seventh aspect of the embodiments of the present application provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, the computer program comprising program instructions, which when executed by a processor, cause the processor to perform the method according to the first aspect or the method according to the second aspect.
In the embodiment of the application, the terminal equipment can acquire the load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, and further determine to reside in the first target cell according to the load information of the at least one cell. The terminal equipment can determine the cell with lower load according to the load information corresponding to the service type, and the resources are shared in the network equipment, so that the terminal equipment can be distributed to better resources after being accessed into the cell under the condition of lower load of the cell, thereby being beneficial to improving the reliability of cell selection, improving the service quality of the terminal equipment and realizing load balancing.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a cell where a terminal device resides;
Fig. 2 is a schematic architecture diagram of a communication system according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a cell residence control method provided in an embodiment of the present application;
fig. 4 is a flow chart of another method for controlling cell residence according to an embodiment of the present application;
fig. 5 is a flowchart of yet another method for controlling cell residence according to an embodiment of the present application;
fig. 6a is a schematic flow chart of a method for controlling cell residence based on service type fixation according to an embodiment of the present application;
fig. 6b is a schematic flow chart of a method for controlling cell residence based on a service type with unfixed service type according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a cell residence control device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of another cell residence control device according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The technical solution of the embodiment of the application can be applied to various communication systems, for example: a long term evolution (Long Term Evolution, LTE) system, a New Radio/New air interface (NR) system, an evolution system of the NR system, an LTE (LTE-based access to unlicensed spectrum, LTE-U) system on an unlicensed band (unlicensed spectrum), an NR-U system, a future communication system, or other communication systems, etc., which are not limited in this application.
Optionally, the communication system referred to in this application may support conventional communications, and may also support any one or more of the following: device-to-Device (D2D) communication, machine-to-machine (Machine to Machine, M2M) communication, machine type communication (Machine Type Communication, MTC), inter-vehicle (Vehicle to Vehicle, V2V) communication, and the like.
The terminal device may communicate with the network device by accessing a cell corresponding to the network device based on resources allocated by the network device. For example, as shown in fig. 1, when determining an accessed cell, the terminal device may determine whether the terminal device accesses the cell according to two parameters by receiving a system broadcast message sent by the network device, and based on the system broadcast message including the AC category (type) of the BAR and the UAC. When the terminal device accesses a certain cell according to the AC category of the BAR and the UAC, the load of the cell may be larger, so that the network device allocates relatively low resources to the terminal device or is refused by the cell (for example, refused by a Reject message of radio resource management control (Radio Resource Control, RRC)) so that the communication is unreliable, even cannot be normally performed, and the service quality requirement of the terminal device cannot be met. Alternatively, the terminal device can only switch to a cell with low load through the cell, however, the cell with low total load may not be suitable for communication of the terminal device, for example, when the load for the current service of the terminal device is large although the total load is low, the service quality requirement of the terminal device still cannot be met.
The embodiment of the application can classify the load information of the network equipment, so that the terminal equipment can determine the resident cell according to the load information corresponding to the service requirement of the terminal equipment, thereby improving the reliability of cell selection, further improving the communication reliability and ensuring the service quality of the terminal equipment. Optionally, when the terminal device determines the resided cell according to the load information corresponding to the service requirement of the terminal device, the load information corresponding to the service type in at least one cell can be obtained according to the service type of the terminal device, and then the resided target cell is determined according to the load information corresponding to the at least one cell. For example, the terminal device may obtain load information broadcasted by at least one network device, where the load information may be classified based on a first parameter, such as a parameter associated with a service type, and further the terminal device may determine a camping cell based on the service type of the service and the broadcasted load information, for example, determine load information corresponding to the service type from the broadcasted load information according to the service type of the terminal device, and determine a camping target cell according to the corresponding load information. Thereby being beneficial to the terminal equipment to obtain better resources and realizing load balancing. For example, referring to fig. 2, fig. 2 is a schematic architecture diagram of a communication system 200 according to an embodiment of the present application. The communication system 200 may include a network device 210 and a terminal device 220, the network device 210 may communicate with the terminal device 220.
Optionally, the terminal device 220 may communicate with the network device 210, where the network device 210 includes one or more cells, and where the terminal device 220 is in an RRC (Radio Resource Control ) idle state or an RRC deactivated state, and where cell search, cell access, cell reselection, and cell camping may be performed under the network device 210.
Fig. 2 shows exemplarily three network devices and one terminal device. Each network device may correspond to one or more cells. Alternatively, the communication system 200 may include a plurality of network devices and each network device may include other numbers of terminal devices within a coverage area of the network device, which is not limited in the embodiments of the present application.
Alternatively, the service type of the terminal device 220 may be fixed or variable. If the service type of the terminal device 220 is changed, the terminal device 220 may obtain a plurality of broadcasted load information according to the current service type, determine the load information from the plurality of load information broadcasted 210 by at least one network device according to the current service type of the terminal device, and determine the camping cell according to the load information.
Optionally, the first parameter includes one or more of service priority, access class of service, quality of service QoS information, and service type.
In the present application, network device 210 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area. Alternatively, the network device 210 may be a base station, such as an evolved network device (Evolutional Node B, eNB or eNodeB) in an LTE system, or a base station gNB in NR, or a radio controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 210 may be a mobile switching center, a relay station, an access point, a network device in a 5G network, or a network device in a future communication system, etc., which is not limited in this application.
In this application, the terminal device 220 may be a terminal device located within the coverage area of the network device 210. Terminal device 220 may refer to an access terminal device, user Equipment (User Equipment), subscriber unit, subscriber station, mobile station, remote terminal device, mobile device, user terminal device, wireless communication device, user agent, or User Equipment. The access terminal device may be a cellular telephone, a cordless telephone, a session initiation protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network or a terminal device in a future evolved PLMN, etc. Among them, the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
Optionally, the communication system 200 may further include other network entities such as a network controller, a mobility management entity, and the embodiment of the present application is not limited thereto.
Fig. 3 is a schematic flow chart of a cell residence control method according to an embodiment of the present application. The cell residence control method described in the present embodiment is applied to a terminal device, and includes the following steps:
301. and acquiring load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one by one.
Optionally, the terminal device is in an RRC (Radio Resource Control ) idle state or an RRC deactivated state.
The service type may be a data service, a voice service, a video service, a V2X service, etc., or may also be a service type divided by other means. The present application is not limited. The load information may include a load index, a load level, and the like. For the terminal device, the service type of the terminal device may be a fixed service type or a variable service type.
Specifically, the terminal device obtains load information corresponding to the service type in at least one cell according to the service type of the terminal device, for example, as shown in table 1, assuming that the service type of the terminal device is service type 1, in cell 1, the terminal device obtains that the load information corresponding to the service type 1 in cell 1 is low according to the service type 1, and in cell 2, the terminal device obtains that the load information corresponding to the service type 1 in cell 2 is medium according to the service type 1.
TABLE 1
| Cell | Service type | Load information |
| Cell 1 | Service type 1 | Low and low |
| Cell 2 | Service type 1 | In (a) |
| Cell 3 | Service type 1 | High height |
In a possible embodiment, when a service request is initiated, the terminal device obtains a service type corresponding to the service request; or predicting the service type of the terminal equipment according to the historical service information, wherein the historical service information is used for indicating the information of the service type of the historical service of the terminal equipment; or predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment. And determining a cell suitable for residence through the predicted service type, and directly accessing the cell by the terminal equipment when the subsequent terminal equipment initiates the service.
For example, the terminal device (such as a mobile phone) acquires the history service information, for example, a certain service type (telephone service) appears in the history service information multiple times in a day, and predicts that the service type of the terminal device is the telephone service according to the history service information.
For example, the terminal device obtains associated schedule planning information, such as 8-half, which is to be used for voice communication, and predicts that the service type of the terminal device is voice service when the 8-half is to be reached.
In a possible embodiment, the terminal device obtains load information of at least one cell according to the service type of the terminal device by using the big data platform. The big data platform can count the load information or congestion condition of each cell. And the terminal equipment acquires the load information of at least one cell corresponding to the service type from the big data platform.
302. And determining to reside in a first target cell according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
The terminal equipment can determine to reside in a first target cell from at least one cell according to load information corresponding to the service type and a first condition in the at least one cell. The first condition may be predefined or notified by the network device or may be based on big data analysis, etc., without limitation.
In a possible embodiment, it is determined whether the load information of at least one cell satisfies a first condition, and if the load information satisfies the first condition, it is determined that the first target cell corresponding to the load information satisfying the first condition resides. For example, the first condition is a load index of less than 50%. In the cell 1, the load information includes a load index of 20%, and in the cell 2, the load information includes a load index of 60%, and if the load information includes a load index of 20% satisfying the first condition, it is determined that the cell 1 corresponding to the load information satisfying the first condition resides.
Optionally, if the load information of at least one cell does not meet the first condition, determining to reside in the third target cell according to a preset mode, where the preset mode includes any one or more of the following: different frequency measurement mode, same frequency measurement mode and different system measurement mode. If the load information of at least one cell does not meet the first condition, the terminal equipment does not need to select the cell according to the load information, whether the resident condition is met or not is judged in a preset mode, and the resident condition is met to determine to resident a third target cell.
For example, when the load information of at least one cell does not meet the first condition, in the same-frequency measurement mode, the terminal device monitors the signal quality of the neighboring cell and the current cell in the idle mode, and in a period of time, the S value of the same-frequency cell is less than or equal to a preset threshold (Sintrasearch: same-frequency measurement start threshold) and continuously meets the R criterion (Rt > Rs) in the T time, cell reselection occurs, and it is assumed that the cell 1 meets the camping condition through the same-frequency measurement mode, and camps on the cell 1.
Optionally, if the load information of at least one cell does not meet the first condition, determining a third target cell according to a preset mode and the load information, where the preset mode includes any one or more of the following: different frequency measurement mode, same frequency measurement mode and different system measurement mode. The load information of at least one cell does not meet the first condition, which means that each cell is not suitable for the terminal equipment to reside at the moment, but the terminal equipment needs to perform service, and the third target cell can be determined through a preset mode and the load information.
For example, when the load information of at least one cell does not meet the first condition, in the same-frequency measurement mode, the terminal device monitors the signal quality of the neighboring cell and the current cell in the idle mode, in a period of time, the S value of the same-frequency cell is less than or equal to a preset threshold (Sintrasearch: same-frequency measurement start threshold) and continuously meets the R criterion (Rt > Rs) in the T time, cell reselection occurs, it is assumed that the cell 1 and the cell 2 are determined to meet the residence condition in the same-frequency measurement mode, and in combination with the load information corresponding to the cell 1 and the cell 2, it is assumed that the load information corresponding to the cell 1 is higher than the load information corresponding to the cell 2, and then the cell 2 is resided.
In a possible embodiment, the second parameter is introduced, so that the terminal device selects a cell most suitable for the terminal device to perform service according to the load information and the second parameter. The terminal equipment acquires a second parameter of at least one cell, wherein the second parameter comprises at least one of the following: the residence condition, the access technology priority, the signal quality and the probability of cell service interruption determine to reside in the first target cell according to the load information of at least one cell and the second parameter. Where access technology priority may be 4G, 3G, 2G, etc., the stay condition includes meeting S criteria, R criteria, etc.
Optionally, judging whether the load information of at least one cell meets the first condition, if a plurality of load information meet the first condition, determining a first target cell from the cells corresponding to the plurality of load information according to the second parameter, and camping on the first target cell.
For example, the terminal device obtains load information and signal quality corresponding to the service type in at least one cell, the terminal device first determines whether the load information of at least one cell meets a first condition, and determines that the load information corresponding to two target cells meet the first condition, namely cell 1 and cell 2 respectively, but the signal quality of cell 1 is better than the signal quality of cell 2, and the terminal device determines to reside cell 1 from the two target cells according to the signal quality.
For another example, the terminal device obtains load information and access technology priority corresponding to the service type in at least one cell, the terminal device determines whether the load information corresponding to the at least one cell meets a first condition, and determines that the load information corresponding to two target cells meet the first condition, namely cell 1 and cell 2, cell 1 is 5G, and cell 2 is 4G, and the terminal device determines to reside cell 2 from the two target cells according to the access technology priority.
In the embodiment of the application, the terminal equipment acquires the load information corresponding to the service type in at least one cell according to the service type of the terminal equipment, and determines the residence first target cell according to the load information of the at least one cell, thereby being beneficial to improving the reliability of cell selection and further improving the service quality of the terminal equipment.
Fig. 4 is a schematic flow chart of a cell residence control method according to an embodiment of the present application. The cell residence control method described in the embodiment is applied to a terminal device and includes:
401. and acquiring a plurality of load information broadcast by at least one network device, wherein the plurality of load information is classified based on a first parameter of the service type.
Wherein each network device comprises a plurality of cells, each cell comprising a plurality of load information classified based on the first parameter. The terminal device may obtain load information of a first parameter classification based on a service type, which is broadcasted by at least one network device, where the first parameter may be one or more of service priority, service access class, quality of service QoS information, and service type.
The plurality of load information is obtained by classifying the load information by the network device based on a first parameter of the service type, for example, taking the first parameter as a service priority, each load information includes a corresponding load level, and classifying the load information in the network device by the service priority to obtain the plurality of load information classified by the first parameter based on the service type. For example, the load level may be lower for higher service priorities. Tables 2 and 3 exemplarily show that two network devices obtain the plurality of load information through service priority classification, respectively. Table 2 shows that the network device 1 obtains the plurality of load levels through service priority classification, wherein the plurality of load levels are respectively low, medium and high, that is, the load information in the network device 1 is a plurality of load information obtained based on service priority classification, and the plurality of load information is low, medium and high; also table 3 gets the plurality of load classes for the network device 2 by service priority classification. The terminal device may obtain a plurality of load levels broadcast by the two network devices.
TABLE 2
| Service priority | Load class |
| 1-30 | Low and low |
| 30-60 | In (a) |
| 60-90 | High height |
TABLE 3 Table 3
| Service priority | Load class |
| 1-35 | Low and low |
| 36-71 | In (a) |
| 72-107 | High height |
In a possible embodiment, the first parameters of the service type are service priority and service access class, and load information in the network device is classified by the first parameters, so as to obtain a plurality of load information. If each load information includes a corresponding load level, the load levels corresponding to service priority levels 1-10 and service access levels 1-15 are assumed to be low, and so on, according to the service priority levels and the service access levels, the load levels in table 4 are obtained, that is, the load levels are low, medium, and high (that is, the load levels are low, medium, and high). Similarly, other network devices obtain a plurality of load information according to service priority and service access class classification, and then the terminal device obtains the plurality of load information based on the service priority and service access class classification, which is broadcasted by at least one network device, and is not described herein.
TABLE 4 Table 4
| Service priority | Service access class | Load class |
| 1-10 | 1-15 | Low and low |
| 11-20 | 16-25 | In (a) |
| 21-30 | 26-30 | High height |
In a possible embodiment, the terminal device receives a system broadcast message SIB1 sent by at least one network device, where SIB1 carries multiple load information, and the multiple load information is classified based on a first parameter of a service type. The terminal device can also obtain the cell identifier, the frequency point information and the like from the system broadcast message, and because the SIB1 belongs to the system broadcast which changes rapidly and the terminal device resides in the system broadcast which needs to be read, the terminal device is suitable for sending the load information classified by the first parameter based on the service type by using the SIB 1.
402. And determining the load information from a plurality of load information broadcast by the at least one network device according to the first parameter of the service type of the terminal device.
The service types have different first parameters, and the different service types also have different levels according to the first parameters, for example, taking the first parameters of the service types as service priorities as examples, the different service types correspond to different service priorities, the service type 1 corresponds to the service priority 1, the service type 2 corresponds to the service priority 2, and the service type 3 corresponds to the service priority 3.
Specifically, the terminal device determines load information corresponding to a service type from a plurality of load information obtained by classifying first parameters based on the service type and broadcast by at least one network device according to the service type of the terminal device, the terminal device determines the first parameters corresponding to the service type first, and the load information corresponding to the service type can be determined according to the first parameters.
For example, as shown in table 5 for service priorities corresponding to different service types, after obtaining multiple load levels (e.g. table 2 and table 3) broadcasted by the network device 1 and the network device 2, the terminal device may determine that its corresponding service priority (first parameter) is 1-10 according to its current service type 1 (in table 5), and then obtain that the load level corresponding to the network device 1 is low and the load level corresponding to the network device 2 is low according to the service priority of 1-10.
TABLE 5
| Service type | Service priority of a traffic type |
| Service type 1 | 1-10 |
| Service type 2 | 11-20 |
| …… | …… |
| Service type n | 61-80 |
403. And determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
The specific implementation manner of step 403 may be referred to the description related to step 302 in the above cell residence control method, which is not repeated here.
In a possible embodiment, the terminal device obtains updated load information of at least one cell, and determines to camp on the second target cell according to the updated load information of the at least one cell if the change information of the load information of the at least one cell after updating meets the second condition. The terminal device obtains the updated load information of at least one cell, determines whether the change information of the load information corresponding to the service type meets a second condition, and if the change information of the load information corresponding to the service type meets the second condition, the terminal device may determine to reside in the second target cell according to the step 302, that is, determine to reside in the second target cell according to the updated load information of at least one cell. The second condition is used for judging whether to determine to reside in the second target cell according to the updated load information of at least one cell.
For example, the load information includes a load index, the updated load information has a change information of 10%, and the second condition is that the load information change information exceeds a threshold (9%), and the service type of the terminal device is unchanged, and the camping cell 2 (the second target cell) is determined according to the updated load information of at least one cell.
The first target cell and the second target cell may be the same cell or different cells. If the first target cell and the second target cell are different, the first target cell cannot support the service of the current terminal equipment according to the updated load information of at least one cell, and the second target cell supports the service of the current terminal equipment according to the updated load information of at least one cell. Thus, better service can be provided for the terminal equipment.
Optionally, the terminal device receives load information of at least one updated cell sent by the system broadcast, or the terminal device receives load information of at least one updated cell sent by the network device through RRC message.
In a possible embodiment, the terminal device obtains rate information corresponding to a service type of the terminal device, and determines to reside in the first target cell according to load information and rate information corresponding to the service type in at least one cell, where the rate information includes an uplink rate and/or a downlink rate corresponding to the service type.
For example, the service type of the terminal equipment is data service, the download rate corresponding to the data service of the terminal equipment is 1MB/s, the terminal equipment obtains corresponding load information in at least one cell according to the data service, determines that the load information corresponding to the data service in the cell 1 is low, and simultaneously satisfies the download rate corresponding to the data service of the terminal equipment, and determines to reside the cell 1.
In a possible embodiment, the terminal device acquires cell parameters and load information broadcasted by at least one network device, determines an accessible cell through the cell parameters, then determines a resident first target cell according to load information corresponding to a service type of the accessible cell, and excludes a certain number of cells through the cell parameters, thereby reducing resources of the terminal device for determining the resident first target cell. The cell parameters may include, among other things, the AC category of BAR and UAC.
For example, the service type of the terminal device is service type 1, the terminal device obtains cell parameters and load information broadcasted by at least one network device according to the service type 1, the cell parameters include BAR (forbidden) parameters, accessible cells are determined through the BAR parameters, the accessible cells are respectively divided into cell 1, cell 2 and cell 3, and resident cell 3 is determined from the accessible cells according to the load information corresponding to the service type 1.
In the embodiment of the application, the terminal equipment acquires a plurality of pieces of load information broadcast by at least one network equipment, the plurality of pieces of load information are obtained based on the first parameter classification of the service type, the load information corresponding to the service type is determined from the plurality of pieces of load information broadcast by the at least one network equipment according to the service type of the terminal equipment, and the resident first target cell is determined according to the load information of the at least one cell, so that the terminal equipment can obtain better resources of the cell, thereby improving the service quality of the terminal equipment and realizing load balancing.
Fig. 5 is a flowchart of another method for controlling cell residence according to an embodiment of the present application. The cell residence control method described in the present embodiment is applied to a network device, and includes:
501. a plurality of load information is determined, the plurality of load information being derived based on the traffic type.
Specifically, the network device determines a plurality of corresponding load information according to the service type. For example, in one cell, traffic type 1 corresponds to load information 1, traffic type 2 corresponds to load information 2, and traffic type 3 corresponds to load information 3.
The load information may include a load level or a load index, among others.
Optionally, the network device may determine the plurality of load information according to a first parameter of a service type, where the first parameter of the service type may be one or more of a service priority, an access class of the service, quality of service QoS information, and a service type.
Specifically, the network device classifies the load information based on a first parameter of the traffic type. Taking the first parameter as a service access class as an example, classifying the load information through the service access class to obtain a plurality of load information classified based on the first parameter. The network device classifies the load information based on the service access class according to the service access class classification result as table 6, and the load information is a plurality of load information obtained by classifying a certain cell based on the service access class, wherein the load information is low, medium and high.
TABLE 6
| Service access class for service type | Load information |
| 1-20 | Low and low |
| 21-40 | In (a) |
| 41-60 | High height |
Optionally, when the terminal device initiates a SERVICE REQUEST, NAS (Non-Access Stratum) signaling carries a SERVICE type (SERVICE type) corresponding to the SERVICE in a SERVICE REQUEST (SERVICE REQUEST) sent to the network device, where the SERVICE type may be a voice SERVICE, a data SERVICE, a video SERVICE, and the like, the network device takes a first parameter as an example of a SERVICE type, and the network device may classify load information according to a current load condition by using the SERVICE type, so as to obtain multiple load information classified based on the SERVICE type. The network device classifies the load information based on the service type, and the result is shown in table 7, which is a plurality of load information obtained by classifying a certain cell based on the service type, wherein the plurality of load information is low, low and medium.
TABLE 7
| Service type | Load information |
| Voice services | Low and low |
| Video services | Low and low |
| Data service | In (a) |
502. Broadcasting the plurality of load information.
Optionally, the network device sends a system broadcast message SIB1 to the terminal device, where the SIB1 carries a plurality of payload information.
In a possible embodiment, if the change information of the load information meets a preset condition, the network device sends updated load information to the terminal device. The preset condition is used for judging whether updated load information is sent to the terminal equipment.
For example, the load information is changed from low to high, if the difference between the change information of the load information is too large and is not within the range of the preset condition, the network device sends updated load information to the terminal device.
For example, the load information includes a load index, the change information of the load information is 11%, and if the preset condition is that the load information change information exceeds a threshold value (9%), the network device sends updated load information to the terminal device. For another example, the load information includes a load index, the change information of the load information is 2%, and if the preset condition is that the change information of the load information exceeds a threshold value (9%), the network device does not send updated load information to the terminal device.
In the embodiment of the application, the network equipment determines a plurality of pieces of load information obtained based on the service type and broadcasts the plurality of pieces of load information, so that the terminal equipment determines a resident cell according to the plurality of pieces of load information obtained based on the service type.
In a possible embodiment, as shown in fig. 6a, taking a first parameter as a service priority, a service type of a terminal device is fixed, when the terminal device is in an RRC idle state or an RRC deactivated state, the terminal device selects to camp on a certain cell, the terminal device obtains load information based on service priority classification broadcasted by a network device (e.g., load information based on service priority classification in table 2), the terminal device determines load information based on service priority classification corresponding to the service type according to the service priority of the service type (e.g., table 5) and the load information based on service priority classification, and determines whether the load information of the camping cell meets a first condition (e.g., the first condition is that the load information is low), if the load information meets the first condition, the terminal device normally camps on the cell; if the load information does not meet the first condition, the terminal equipment performs cell reselection to determine the resident cell, and the cell reselection can be performed in a different frequency measurement mode, a same frequency measurement mode and a different system mode.
In a possible embodiment, as shown in fig. 6b, taking a first parameter as an example of service priority, a service type of a terminal device is not fixed, the terminal device initiates access according to a current service type in an RRC idle state or an RRC deactivated state, acquires service priority classification-based load information (such as service priority classification-based load information in table 2) broadcasted by a network device, determines service priority classification-based load information corresponding to the service type according to the service priority of the current service type (such as table 5) and the service priority classification-based load information, and determines whether the load information of the camping cell meets a first condition (such as the first condition is that the load information is low), if the load information meets the first condition, the camping cell normally; if the load information does not meet the first condition, the terminal equipment performs cell reselection to determine the resident cell.
Fig. 7 is a schematic structural diagram of a cell residence control device according to an embodiment of the present application. The cell residence control device described in this embodiment may be a terminal device or a chip that may be mounted on the terminal device, including:
an obtaining module 701, configured to obtain load information corresponding to a service type in at least one cell according to the service type of a terminal device, where the load information corresponds to the cells one by one;
A processing module 702, configured to determine, according to load information of the at least one cell, a camping first target cell, where the first target cell is one of the at least one cell.
Optionally, the processing module 702 is specifically configured to:
acquiring a plurality of load information broadcast by at least one network device, wherein the plurality of load information is obtained based on a first parameter classification of a service type;
and determining the load information from a plurality of load information broadcast by the at least one network device according to the first parameter of the service type of the terminal device.
Optionally, the processing module 702 is specifically configured to:
judging whether the load information of the at least one cell meets a first condition or not;
and if the load information meets the first condition, determining to reside in a first target cell corresponding to the load information meeting the first condition.
Optionally, the first parameter includes one or more of service priority, service access class, quality of service QoS information, and service type.
Optionally, the processing module 702 is specifically configured to:
and receiving a system broadcast message SIB1 sent by at least one network device, wherein the SIB1 carries a plurality of load information, and the plurality of load information is classified based on a first parameter of the service type.
Optionally, the processing module 702 is specifically configured to:
acquiring a second parameter of the at least one cell, the second parameter comprising at least one of: residence conditions, access technology priority, signal quality, probability of cell service outage;
and determining to reside in the first target cell according to the load information of the at least one cell and the second parameter.
Optionally, the processing module 702 is specifically configured to:
judging whether the load information of the at least one cell meets a first condition or not;
and if a plurality of load information exists and meets a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and camping on the first target cell.
Optionally, the processing module 702 is specifically configured to:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
Optionally, the processing module 702 is specifically configured to:
if the load information of the at least one cell does not meet the first condition, determining a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following: different frequency measurement mode, same frequency measurement mode and different system measurement mode.
Optionally, the processing module 702 is specifically configured to:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
and determining to reside in the first target cell according to the load information of the at least one cell and the rate information.
Optionally, the acquiring module 701 is specifically configured to:
when a service request is initiated, acquiring a service type corresponding to the service request; or,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the information of the service type of the historical service of the terminal equipment; or predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
It can be understood that each functional module of the cell residence control device of the present embodiment may be implemented according to the method in fig. 3 or fig. 4 in the above method embodiment, and the specific implementation process may refer to the relevant description of the above method embodiment, which is not repeated herein.
Fig. 8 is a schematic structural diagram of another cell residence control device according to the embodiment of the present application. The cell residence control apparatus described in this embodiment may be a network device or a chip that may be mounted on the network device, including:
A processing module 801, configured to determine a plurality of load information, where the plurality of load information is obtained based on a service type;
a transmitting module 802, configured to broadcast the plurality of load information.
It can be understood that each functional module of the cell residence control device of the present embodiment may be specifically implemented according to the method in fig. 5 in the above method embodiment, and the specific implementation process may refer to the related description of the above method embodiment, which is not repeated herein.
Fig. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device in the present embodiment as shown in fig. 9 may be a terminal device, a network device, or the like, including: a processor 901, one or more input devices 902, one or more output devices 903, and a memory 904. The processor 901, the input device 902, the output device 903, and the memory 904 described above are connected by a bus 905. The memory 904 is used for storing a computer program comprising program instructions, and the processor 901 is used for executing the program instructions stored in the memory 904.
In the embodiment of the present application, the processor 901 performs the following operations by executing executable program codes in the memory 904: acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, wherein the load information corresponds to the cells one by one; and determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
Optionally, the processor 901 obtains a specific implementation manner of load information of at least one cell according to a service type of the terminal device:
acquiring a plurality of load information broadcast by at least one network device, wherein the plurality of load information is obtained based on a first parameter classification of a service type;
and determining the load information from a plurality of load information broadcast by the at least one network device according to the first parameter of the service type of the terminal device.
Optionally, the processor 901 is configured to:
judging whether the load information of the at least one cell meets a first condition or not;
and if the load information meets the first condition, determining to reside in a first target cell corresponding to the load information meeting the first condition.
Optionally, the first parameter includes one or more of service priority, service access class, quality of service QoS information, and service type.
Optionally, the processor 901 is configured to:
a system broadcast message SIB1 sent by at least one network device is received through the input device 902, where the SIB1 carries a plurality of load information, and the plurality of load information is classified based on a first parameter of the service type.
Optionally, the processor 901 is configured to:
acquiring a second parameter of the at least one cell, the second parameter comprising at least one of: residence conditions, access technology priority, signal quality, probability of cell service outage;
and determining to reside in the first target cell according to the load information of the at least one cell and the second parameter.
Optionally, the specific implementation manner of determining, by the processor 901, to camp on the first target cell according to the load information of the at least one cell and the second parameter is:
judging whether the load information of the at least one cell meets a first condition or not;
and if a plurality of load information exists and meets a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and camping on the first target cell.
Optionally, the processor 901 is configured to:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
Optionally, the processor 901 is further configured to:
if the load information of the at least one cell does not meet the first condition, determining a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following: different frequency measurement mode, same frequency measurement mode and different system measurement mode.
Optionally, the processor 901 is further configured to:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
and determining to reside in the first target cell according to the load information of the at least one cell and the rate information.
Optionally, the processor 901 is further configured to:
when a service request is initiated, acquiring a service type corresponding to the service request; or,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the information of the service type of the historical service of the terminal equipment; or,
and predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
In the present embodiment, or the processor 901 performs the following operations by executing executable program code in the memory 904: determining a plurality of load information, the plurality of load information being derived based on a traffic type; broadcasting the plurality of load information.
It should be appreciated that in embodiments of the present application, the processor 901 may be a central processing unit (Central Processing Unit, CPU), the processor 901 may also be other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 904 may include read only memory and random access memory, and provides instructions and data to the processor 901. A portion of memory 904 may also include non-volatile random access memory.
The input device 902 may include a keyboard, a receiver, etc.; the output device 903 may include a display, a transmitter, or the like.
Alternatively, the processor 901 may be an integrated circuit chip with signal processing capabilities.
In specific implementation, the processor 901, the input device 902, the output device 903, and the memory 904 described in the embodiments of the present application may perform an implementation described in a flow of a cell residence control method provided in fig. 3, fig. 4, or fig. 5, or may also perform an implementation described in a cell residence control apparatus provided in fig. 7 or fig. 8, which are not described herein again.
In an embodiment of the present application, there is further provided a computer readable storage medium storing a computer program, where the computer program includes program instructions, and when the program instructions are executed by a processor, the steps executed in fig. 3, fig. 4, and fig. 5 in the embodiment of the cell residence control method described above may be executed.
Those skilled in the art will appreciate that implementing all or part of the above-described methods in accordance with the embodiments may be accomplished by way of a computer program stored on a computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
The above disclosure is illustrative of a preferred embodiment of the present application and, of course, should not be taken as limiting the scope of the invention, and those skilled in the art will recognize that all or part of the above embodiments can be practiced with modification within the spirit and scope of the appended claims.
Claims (17)
1. A method for controlling cell camping, the method comprising:
acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, wherein the load information corresponds to the cells one by one; the load information comprises load levels, wherein different service types have first parameters of different levels, and the first parameters of different levels correspond to different load levels;
and determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
2. The method according to claim 1, wherein the obtaining load information corresponding to the service type in at least one cell according to the service type of the terminal device includes:
acquiring a plurality of load information broadcast by at least one network device, wherein the plurality of load information is obtained based on a first parameter classification of a service type;
and determining the load information from a plurality of load information broadcast by the at least one network device according to the first parameter of the service type of the terminal device.
3. The method according to claim 1 or 2, wherein said determining of camping on the first target cell based on the load information of the at least one cell comprises:
Judging whether the load information of the at least one cell meets a first condition or not;
and if the load information meets the first condition, determining to reside in a first target cell corresponding to the load information meeting the first condition.
4. The method of claim 2, wherein the first parameter comprises one or more of a service priority, a service access class, quality of service QoS information, a service type.
5. The method of claim 2, wherein the obtaining the plurality of load information broadcast by the at least one network device comprises:
and receiving a system broadcast message SIB1 sent by at least one network device, wherein the SIB1 carries a plurality of load information, and the plurality of load information is classified based on a first parameter of the service type.
6. The method of claim 1, wherein said determining to camp on the first target cell based on the load information of the at least one cell comprises:
acquiring a second parameter of the at least one cell, the second parameter comprising at least one of: residence conditions, access technology priority, signal quality, probability of cell service outage;
And determining to reside in the first target cell according to the load information of the at least one cell and the second parameter.
7. The method of claim 6, wherein said determining to camp on the first target cell based on the load information of the at least one cell and the second parameter comprises:
judging whether the load information of the at least one cell meets a first condition or not;
and if a plurality of load information exists and meets a first condition, determining a first target cell from cells corresponding to the plurality of load information according to the second parameter, and camping on the first target cell.
8. The method according to claim 1, wherein after determining to camp on the first target cell based on the load information of the at least one cell, comprising:
acquiring updated load information of the at least one cell;
and if the updated change information of the load information of the at least one cell meets a second condition, determining to reside in a second target cell according to the updated load information of the at least one cell.
9. A method according to claim 3, characterized in that the method further comprises:
if the load information of the at least one cell does not meet the first condition, determining to reside in a third target cell according to a preset mode, wherein the preset mode comprises any one or more of the following: different frequency measurement mode, same frequency measurement mode and different system measurement mode.
10. The method according to claim 1, wherein the method further comprises:
acquiring rate information corresponding to a service type of terminal equipment, wherein the rate information comprises an uplink rate and/or a downlink rate corresponding to the service type;
the determining, according to the load information of the at least one cell, to camp on a first target cell includes:
and determining to reside in the first target cell according to the load information of the at least one cell and the rate information.
11. The method according to claim 1, wherein the method further comprises:
when a service request is initiated, acquiring a service type corresponding to the service request; or,
predicting the service type of the terminal equipment according to historical service information, wherein the historical service information is used for indicating the information of the service type of the historical service of the terminal equipment; or,
and predicting the service type of the terminal equipment according to the schedule planning information associated with the terminal equipment.
12. A cell residence control method, comprising:
determining a plurality of load information, the plurality of load information being derived based on a traffic type; the load information comprises load levels, wherein different service types have first parameters of different levels, and the first parameters of different levels correspond to different load levels;
Broadcasting the plurality of load information to enable the terminal equipment to acquire load information corresponding to the service type of the terminal equipment in at least one cell according to the service type of the terminal equipment, wherein the load information corresponds to the cells one by one, and determining a first target cell to reside according to the load information of the at least one cell, and the first target cell is one cell in the at least one cell.
13. A cell residence control device, the device comprising:
the system comprises an acquisition module, a processing module and a processing module, wherein the acquisition module is used for acquiring load information corresponding to a service type in at least one cell according to the service type of terminal equipment, and the load information corresponds to the cells one by one; the load information comprises load levels, wherein different service types have first parameters of different levels, and the first parameters of different levels correspond to different load levels;
and the processing module is used for determining a first target cell to be resided according to the load information of the at least one cell, wherein the first target cell is one cell in the at least one cell.
14. A cell residence control device, the device comprising:
The processing module is used for determining a plurality of load information, and the plurality of load information is obtained based on the service type; the load information comprises load levels, wherein different service types have first parameters of different levels, and the first parameters of different levels correspond to different load levels;
the sending module is used for broadcasting the plurality of load information so that the terminal equipment obtains the load information corresponding to the service type of the terminal equipment in at least one cell according to the service type of the terminal equipment, the load information corresponds to the cells one by one, and the first target cell is determined to reside according to the load information of the at least one cell and is one cell in the at least one cell.
15. An electronic device comprising a memory and a processor, the processor and the memory being interconnected, wherein the memory is adapted to store a computer program comprising program instructions, the processor being adapted to invoke the program instructions to implement the cell-camping control method of any of claims 1 to 11 or the cell-camping control method of claim 12.
16. A chip comprising a processor and a data interface, the processor reading instructions stored on a memory via the data interface to perform the cell-camping control method of any one of claims 1 to 11 or the cell-camping control method of claim 12.
17. A computer readable storage medium storing one or more instructions adapted to be loaded by a processor and to perform the cell-camping control method of any of claims 1 to 11 or the cell-camping control method of claim 12.
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| CN112788703B (en) * | 2021-02-23 | 2022-12-09 | 惠州Tcl移动通信有限公司 | Cell residence control method, terminal and storage medium |
| CN115150851A (en) * | 2021-03-31 | 2022-10-04 | 华为技术有限公司 | Method, apparatus, storage medium, and computer program product for cell selection |
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| CN113891391B (en) * | 2021-09-14 | 2023-03-14 | 哲库科技(北京)有限公司 | Network searching method and device, terminal equipment and storage medium |
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