CN111836311B - Capability negotiation method, terminal and network equipment - Google Patents
Capability negotiation method, terminal and network equipment Download PDFInfo
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- CN111836311B CN111836311B CN201910736001.5A CN201910736001A CN111836311B CN 111836311 B CN111836311 B CN 111836311B CN 201910736001 A CN201910736001 A CN 201910736001A CN 111836311 B CN111836311 B CN 111836311B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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Abstract
The invention provides a capability negotiation method, a terminal and network equipment, wherein the capability negotiation method comprises the following steps: the first network device receives negotiation information from the second network device; the first network device is a device for providing a unicast service for a terminal, and the second network device is a device for providing a Multimedia Broadcast Multicast Service (MBMS) for the terminal; the negotiation information includes at least one of: the transmission time related information of the target MBMS; and transmission rate related information of the target MBMS. According to the embodiment of the invention, when the terminal simultaneously carries out the unicast service and the MBMS, the terminal capability negotiation management related to the MBMS receiving can be realized, so that the problem of data loss caused by the fact that the total data capacity of the unicast service and the MBMS exceeds the total cache capacity of the terminal is avoided, and the reliability of communication is improved.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a capability negotiation method, a terminal, and a network device.
Background
Currently, when a terminal in a connected state performs unicast and multicast data transmission at the same time, a layer-2 buffer (layer-2 buffer) of the terminal can be shared. However, since the layer two buffer capacity of the terminal is limited, the total capacity of unicast and multicast data may exceed the layer two buffer capacity of the terminal, and a problem of data loss occurs.
Disclosure of Invention
The embodiment of the invention provides a capability negotiation method, a terminal and network equipment, which are used for solving the problem that data loss frequently occurs when the conventional terminal performs unicast and multicast data transmission at the same time.
In order to solve the technical problems, the embodiment of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a capability negotiation method, applied to a first network device, including:
receiving negotiation information from a second network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal;
the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In a second aspect, an embodiment of the present invention provides a capability negotiation method, which is applied to a second network device, including:
transmitting negotiation information to a first network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
And transmission rate related information of the target MBMS.
In a third aspect, an embodiment of the present invention provides a capability negotiation method, which is applied to a terminal, including:
transmitting indication information to a first network device;
wherein the indication information indicates the first network device to request negotiation information from the second network device; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In a fourth aspect, an embodiment of the present invention provides a first network device, including:
a first receiving module for receiving negotiation information from a second network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In a fifth aspect, an embodiment of the present invention provides a second network device, including:
The second sending module is used for sending negotiation information to the first network equipment;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In a sixth aspect, an embodiment of the present invention provides a terminal, including:
the third sending module is used for sending indication information to the first network equipment;
wherein the indication information indicates the first network device to request negotiation information from the second network device; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In a seventh aspect, an embodiment of the present invention provides a communication device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the computer program when executed by the processor may implement the step of the capability negotiation method applied to the first network device, or may implement the step of the capability negotiation method applied to the second network device, or may implement the step of the capability negotiation method applied to the terminal.
In an eighth aspect, an embodiment of the present invention provides a computer readable storage medium, on which a computer program is stored, where the computer program when executed by a processor may implement the step of the capability negotiation method applied to the first network device, or may implement the step of the capability negotiation method applied to the second network device, or may implement the step of the capability negotiation method applied to the terminal.
In the embodiment of the invention, when the terminal performs unicast service and MBMS simultaneously, the network equipment providing MBMS for the terminal can send negotiation information to the network equipment providing unicast service for the terminal, thereby realizing terminal capability negotiation management related to MBMS reception, ensuring that the total data capacity of unicast service and MBMS does not exceed the total cache capacity (such as layer two cache capacity) of the terminal, avoiding the problem of data loss caused by the fact that the total data capacity of unicast service and MBMS exceeds the total cache capacity of the terminal, and improving the reliability of communication.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of a capability negotiation method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another capability negotiation method according to an embodiment of the present invention;
FIG. 3 is a flow chart of another capability negotiation method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first network device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second network device according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a terminal according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another terminal according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a network device according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
The techniques described herein are not limited to long term evolution (Long Time Evolution, LTE)/LTE evolution (LTE-Advanced, LTE-a) systems and may also be used for various wireless communication systems such as code division multiple access (Code Division Multiple Access, CDMA), time division multiple access (Time Division Multiple Access, TDMA), frequency division multiple access (Frequency Division Multiple Access, FDMA), orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA), single-carrier frequency division multiple access (Single-carrier Frequency-Division Multiple Access, SC-FDMA), and other systems. The terms "system" and "network" are often used interchangeably. A CDMA system may implement radio technologies such as CDMA2000, universal terrestrial radio access (Universal Terrestrial Radio Access, UTRA), and the like. UTRA includes wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as the global system for mobile communications (Global System for Mobile Communication, GSM). OFDMA systems may implement radio technologies such as Ultra-Mobile Broadband (UMB), evolved UTRA (E-UTRA), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, flash-OFDM, and the like. UTRA and E-UTRA are parts of the universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS). LTE and higher LTE (e.g., LTE-a) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE, LTE-a and GSM are described in the literature from an organization named "third generation partnership project" (3rd Generation Partnership Project,3GPP). CDMA2000 and UMB are described in the literature from an organization named "third generation partnership project 2" (3 GPP 2). The techniques described herein may be used for the systems and radio technologies mentioned above as well as for other systems and radio technologies.
The wireless communication system of the embodiment of the invention comprises a terminal and network equipment. The terminal may also be referred to as a terminal Device or a User Equipment (UE), and the terminal may be a terminal-side Device such as a mobile phone, a tablet (Tablet Personal Computer), a Laptop (Laptop Computer), a personal digital assistant (Personal Digital Assistant, PDA), a mobile internet Device (Mobile Internet Device, MID), a Wearable Device (weardable Device), or a vehicle-mounted Device, which is not limited to a specific type of the terminal in the embodiment of the present invention. The network device may be a base station or a core network, where the base station may be a 5G or later version base station (e.g., a gNB, 5G NR NB, etc.), or a base station in other communication systems (e.g., an eNB, WLAN access point, or other access point, etc.), which may be referred to as a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a node B, an evolved node B (eNB), a home node B, a home evolved node B, a WLAN access point, a WiFi node, or some other suitable terminology in the field, provided that the same technical effect is achieved, not limited to a particular technical vocabulary.
Referring to fig. 1, fig. 1 is a flowchart of a capability negotiation method according to an embodiment of the present invention, where the method is applied to a first network device, and the first network device may be a device that provides unicast service for a terminal, such as a Master Node (MN), or a unicast service base station. As shown in fig. 1, the method comprises the steps of:
step 101: negotiation information is received from the second network device.
In this embodiment, the second network device may be a device that provides a multimedia broadcast multicast service (Multimedia Broadcast Multicast Service, MBMS) to a terminal, such as a Secondary Node (SN), or a multicast service base station. The negotiation information may be transmitted and received through an interface (such as an Xn interface) between the first network device and the second network device.
The negotiation information may include, but is not limited to, at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
It should be noted that the target MBMS may be one MBMS or a plurality of MBMS. And the plurality of MBMS may be MBMS of a certain frequency point. The target MBMS may be an MBMS in which a terminal is interested, or an MBMS in which transmission time-related information and/or transmission rate-related information is changed.
Optionally, the transmission time related information of the target MBMS may include, but is not limited to, at least one of the following:
a transmission time period of the target MBMS; for example, MBMS 1 is transmitted every 10 ms; and MBMS 2 is transmitted once every 20 ms;
the sending duration of the target MBMS in each sending period; for example, MBMS 1 occupies 2ms in transmission duration in each transmission period;
transmission start time of the target MBMS. Wherein, the transmission start time of the target MBMS may be expressed as a time offset from a certain time reference position. For example, the system frame sfn=0 start time is a time reference position, and a time offset of 2 symbols (or slots, milliseconds) indicates that the corresponding MBMS starts to transmit 2 symbols (or slots, milliseconds) from the sfn=0 start time.
Optionally, the sending rate related information of the target MBMS may include, but is not limited to, at least one of the following:
the transmission bit rate of the target MBMS; for example, the second network device may indicate to the first network device its maximum transmission bit rate value, e.g. 100 bits/s, within the target MBMS transmission time;
the number of Resource blocks (e.g., RB, resource Block) occupied by the target MBMS;
the number of Resource elements (e.g., RE, resource elements) occupied by the target MBMS;
Modulation and coding strategies (e.g., MCS, modulation and Coding Scheme) employed by the target MBMS;
subcarrier spacing (e.g., SCS, subcarrier Spacing) employed by the target MBMS;
buffer size of target MBMS (e.g., MBMS buffer size).
According to the capability negotiation method provided by the embodiment of the invention, when the terminal performs unicast service and MBMS at the same time, the network equipment providing MBMS for the terminal can send negotiation information to the network equipment providing unicast service for the terminal, so that terminal capability negotiation management related to MBMS reception is realized, the total data capacity of unicast service and MBMS is ensured not to exceed the total cache capacity (such as layer two cache capacity) of the terminal, the problem of data loss caused by the fact that the total data capacity of unicast service and MBMS exceeds the total cache capacity of the terminal is avoided, and the reliability of communication is improved.
In at least one embodiment of the present invention, the negotiation process between the first and second network devices may be initiated by the first network device or may be initiated by the second network device, as described in detail below.
Mode one
In this way, the negotiation process may be initiated by the first network device.
In this way, the first network device may transmit negotiation request information requesting a negotiation procedure related to MBMS reception by the second network device to the second network device before receiving the negotiation information from the second network device. In this way, the first network device can acquire the target MBMS-related information by means of the negotiation request of the first network device.
Optionally, the transmission condition of the negotiation request information may include any one of:
the first network device receives interest condition indication information on MBMS reception from the terminal; for example, if UE1 indicates that network node 1 is interested in MBMS 1 (or MBMS of frequency 1), network node 1 may initiate an MBMS negotiation procedure with network node 2 providing the MBMS 1 (or MBMS of frequency 1);
the first network equipment receives indication information from the terminal, wherein the indication information indicates that the terminal establishes the configuration related to MBMS reception; for example, if UE2 indicates to network node 1 that it has established a configuration related to receiving MBMS 2 (or MBMS of frequency point 2), network node 1 may initiate an MBMS negotiation procedure with network node 2 providing that MBMS 2 (or MBMS of frequency point 2).
Mode two
In the second mode, the second network device may initiate a negotiation procedure.
In this manner, the first network device may receive negotiation information directly from the second network device. And the condition that the second network device transmits the negotiation information may include any one of:
the transmission time related information of the target MBMS is changed; for example, when the network node 2 has provided the transmission time related information 1 of the MBMS 1 to the network node 1, but the transmission time related information 1 of the MBMS 1 is changed and changed to the transmission time related information 2, the network node 2 may initiate an MBMS negotiation procedure to provide the transmission time related information 2 of the MBMS 1 to the network node 1;
The transmission rate related information of the target MBMS is changed; for example, when the network node 2 has provided the transmission rate related information 1 of the MBMS 2 to the network node 1, but the transmission rate related information 1 of the MBMS 2 is changed and changed to the transmission rate related information 2, the network node 2 may initiate an MBMS negotiation procedure to provide the transmission rate related information 2 of the MBMS 2 to the network node 1.
Therefore, the first network equipment can acquire the changed target MBMS related information in time, so that the problem of data loss caused by that the total data capacity of the unicast service and the MBMS which are simultaneously performed exceeds the total cache capacity of the terminal is avoided, and the reliability of communication is improved.
In at least one embodiment of the present invention, after completion of terminal capability negotiation management related to MBMS reception between a first network device and a second network device, the first network device may provide a unicast service to a terminal by:
mode 1: when the total data capacity of the unicast service of the first network device and the MBMS of the second network device exceeds the layer two buffer capacity of the terminal in the scheduling time, the first network device does not send unicast service data to the terminal in the scheduling time (i.e. does not provide unicast service for the terminal).
For example, in the scheduling time t1, if the unicast service base station determines that the total capacity of the unicast service data and the MBMS data received by the UE1 will exceed the layer two buffer capacity of the UE1, in t1, the unicast service base station may not provide unicast service for the UE1, so as to avoid data loss.
Mode 2: when the total data capacity of the unicast service of the first network device and the MBMS of the second network device exceeds the layer two buffer capacity of the terminal in the scheduling time, the first network device adopts a mode of reducing the unicast service rate in the scheduling time to send unicast service data to the terminal.
For example, in the scheduling time t2, the unicast service base station determines that the total capacity of the unicast service data and the MBMS data received by the UE2 will exceed the layer two buffer capacity of the UE2, and in the t2, the unicast service base station may provide unicast service for the UE2 in a manner of reducing the unicast service rate, so as to avoid data loss.
It should be noted that, the foregoing reduction of the unicast service rate may be understood as reducing the total amount of transmission data of the unicast service in the collision time with the multicast service. The above-described manner of reducing the unicast service rate may include, but is not limited to, at least one of:
Reducing the number of available resource blocks (e.g., RBs) for unicast service;
reducing the number of available resource elements (e.g., REs) for unicast traffic;
a low configured modulation coding strategy (e.g., MCS, e.g., tuning from 16-QAM to QSPK) is used.
Mode 3: when the total data capacity of the unicast service of the first network device and the MBMS of the second network device does not exceed the layer two buffer capacity of the terminal in the scheduling time, the first network device normally provides unicast service for the terminal in the scheduling time.
For example, in the scheduling time t3, the unicast service base station determines that the total capacity of the unicast service data and the MBMS data received by the UE3 does not exceed the layer two buffer capacity of the UE3, and in t3, the unicast service base station can normally provide unicast service for the UE 3.
Referring to fig. 2, fig. 2 is a flowchart of a capability negotiation method according to an embodiment of the present invention, where the method is applied to a second network device, and the second network device may be a device that provides MBMS for a terminal, such as a secondary node SN, or a multicast service base station. As shown in fig. 2, the method comprises the steps of:
step 201: the negotiation information is sent to the first network device.
The first network device may be a device that provides unicast service for a terminal, such as a master node MN, or a unicast service base station. The negotiation information may include, but is not limited to, at least one of:
The transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
It should be noted that the target MBMS may be one MBMS or a plurality of MBMS. And the plurality of MBMS may be MBMS of a certain frequency point. The target MBMS may be an MBMS in which a terminal is interested, or an MBMS in which transmission time-related information and/or transmission rate-related information is changed.
Optionally, the transmission time related information of the target MBMS may include, but is not limited to, at least one of the following:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
Optionally, the sending rate related information of the target MBMS may include, but is not limited to, at least one of the following:
the transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
According to the capability negotiation method provided by the embodiment of the invention, when the terminal performs unicast service and MBMS at the same time, the network equipment providing MBMS for the terminal can send negotiation information to the network equipment providing unicast service for the terminal, so that terminal capability negotiation management related to MBMS reception is realized, the total data capacity of unicast service and MBMS is ensured not to exceed the total cache capacity (such as layer two cache capacity) of the terminal, the problem of data loss caused by the fact that the total data capacity of unicast service and MBMS exceeds the total cache capacity of the terminal is avoided, and the reliability of communication is improved.
Optionally, before the step 201, the method may further include:
and receiving negotiation request information from the first network equipment, wherein the negotiation request information requests a negotiation process related to MBMS receiving by the second network equipment.
Optionally, the transmission condition of the negotiation information includes any one of:
the transmission time related information of the target MBMS is changed;
the transmission rate related information of the target MBMS is changed.
Optionally, the transmission condition of the negotiation request information may include any one of:
the first network device receives interest condition indication information on MBMS reception from the terminal;
the first network device receives indication information from a terminal indicating that the terminal has established a configuration related to MBMS reception.
Referring to fig. 3, fig. 3 is a flowchart of a capability negotiation method provided in an embodiment of the present invention, where the method is applied to a terminal, as shown in fig. 3, and the method includes the following steps:
step 301: and sending indication information to the first network equipment.
Wherein the indication information indicates that the first network device requests negotiation information from the second network device. The first network device may be a device providing unicast traffic for the terminal, such as a master node MN, or a unicast serving base station. The second network device may be a device providing MBMS for the terminal, such as a secondary node SN, or a multicast service base station.
The negotiation information may include, but is not limited to, at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
In the embodiment of the invention, when the terminal performs unicast service and MBMS simultaneously, the network equipment providing MBMS for the terminal can send negotiation information to the network equipment providing unicast service for the terminal, thereby realizing terminal capability negotiation management related to MBMS reception, ensuring that the total data capacity of unicast service and MBMS does not exceed the total cache capacity (such as layer two cache capacity) of the terminal, avoiding the problem of data loss caused by the fact that the total data capacity of unicast service and MBMS exceeds the total cache capacity of the terminal, and improving the reliability of communication.
Optionally, the indication information may be any one of the following;
information indicating a status of interest regarding MBMS reception;
indication information indicating that the terminal has established MBMS reception-related configuration.
Further, the transmission time related information of the target MBMS may include at least one of the following:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
Further, the transmission rate related information of the target MBMS may include at least one of the following:
The transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
The foregoing embodiment describes a capability negotiation method of the present invention, and the following describes a network device and a terminal of the present invention with reference to the embodiments and the accompanying drawings.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a first network device according to an embodiment of the present invention, and as shown in fig. 4, the first network device 40 includes:
a first receiving module 41, configured to receive negotiation information from the second network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
Optionally, the first network device 40 may further include:
a first sending module, configured to send negotiation request information to the second network device, where the negotiation request information requests a negotiation procedure related to MBMS reception by the second network device.
Optionally, the transmission time related information of the target MBMS includes at least one of:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
Optionally, the sending rate related information of the target MBMS includes at least one of the following:
the transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
Optionally, the transmission condition of the negotiation request information includes any one of:
the first network device receives interest condition indication information on MBMS reception from the terminal;
the first network device receives indication information from the terminal indicating that the terminal has established a configuration related to MBMS reception.
Optionally, the method may further include:
an execution module, configured to execute any one of the following when, in a scheduled time, a total data capacity of a unicast service of the first network device and an MBMS of the second network device exceeds a layer two buffer capacity of the terminal:
In the scheduling time, not sending unicast service data to the terminal;
and in the scheduling time, adopting a mode of reducing the unicast service rate to send unicast service data to the terminal.
Optionally, the manner of reducing the unicast service rate may include at least one of:
reducing the number of available resource blocks (e.g., RBs) for unicast service;
reducing the number of available resource elements (e.g., REs) for unicast traffic;
a low configured modulation coding strategy (e.g., MCS, e.g., tuning from 16-QAM to QSPK) is used.
It can be appreciated that the first network device 40 in the embodiment of the present invention may implement each process implemented in the embodiment of the method shown in fig. 1 and achieve the same beneficial effects, and in order to avoid repetition, a detailed description is omitted here.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a second network device according to an embodiment of the present invention, as shown in fig. 5, the second network device 50 includes:
a second sending module 51, configured to send negotiation information to the first network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
The transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
Optionally, the second network device 50 may further include:
and the second receiving module is used for receiving negotiation request information from the first network equipment, wherein the negotiation request information requests a negotiation process related to MBMS receiving by the second network equipment.
Optionally, the transmission time related information of the target MBMS includes at least one of:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
Optionally, the sending rate related information of the target MBMS includes at least one of the following:
the transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
Optionally, the transmission condition of the negotiation information includes any one of:
the transmission time related information of the target MBMS is changed;
the transmission rate related information of the target MBMS is changed.
It can be appreciated that the second network device 50 according to the embodiment of the present invention may implement each process implemented in the method embodiment shown in fig. 2 and achieve the same beneficial effects, and will not be described herein again for avoiding repetition.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention, as shown in fig. 6, the terminal 60 includes:
a third sending module 61, configured to send indication information to the first network device;
wherein the indication information indicates the first network device to request negotiation information from the second network device; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
Optionally, the indication information is any one of the following;
information indicating a status of interest regarding MBMS reception;
indication information indicating that the terminal has established MBMS reception-related configuration.
Optionally, the transmission time related information of the target MBMS includes at least one of:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
Optionally, the sending rate related information of the target MBMS includes at least one of the following:
the transmission bit rate of the target MBMS;
The number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
It can be appreciated that the terminal 60 according to the embodiment of the present invention may implement each process implemented in the embodiment of the method shown in fig. 3 and achieve the same beneficial effects, and will not be described herein again for avoiding repetition.
In addition, the embodiment of the present invention further provides a communication device, including a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program when executed by the processor may implement each process of the foregoing capability negotiation method embodiment shown in fig. 1, or may implement each process of the foregoing capability negotiation method embodiment shown in fig. 2, or may implement each process of the foregoing capability negotiation method embodiment shown in fig. 3, and may achieve the same technical effect, and will not be repeated herein. The communication device may be selected from the first network device, the second network device, or the terminal described above.
Referring to fig. 7, fig. 7 is a schematic hardware structure of a terminal implementing various embodiments of the present invention, and terminal 700 includes, but is not limited to: radio frequency unit 701, network module 702, audio output unit 703, input unit 704, sensor 705, display unit 706, user input unit 707, interface unit 708, memory 709, processor 710, and power supply 711. It will be appreciated by those skilled in the art that the terminal structure shown in fig. 7 is not limiting of the terminal and that the terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components. In the embodiment of the invention, the terminal comprises, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer and the like.
The radio frequency unit 701 is configured to send indication information to the first network device; the indication information indicates the first network equipment to request negotiation information from second network equipment; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
The terminal 700 of the embodiment of the present invention may implement each process implemented in the embodiment of the method shown in fig. 3 and achieve the same beneficial effects, and in order to avoid repetition, the description is omitted here.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 701 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, specifically, receiving downlink data from a base station, and then processing the received downlink data by the processor 710; and, the uplink data is transmitted to the base station. Typically, the radio unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio unit 701 may also communicate with networks and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user through the network module 702, such as helping the user to send and receive e-mail, browse web pages, access streaming media, etc.
The audio output unit 703 may convert audio data received by the radio frequency unit 701 or the network module 702 or stored in the memory 709 into an audio signal and output as sound. Also, the audio output unit 703 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the terminal 700. The audio output unit 703 includes a speaker, a buzzer, a receiver, and the like.
The input unit 704 is used for receiving an audio or video signal. The input unit 704 may include a graphics processor (Graphics Processing Unit, GPU) 7041 and a microphone 7042, the graphics processor 7041 processing image data of still pictures or video obtained by an image capturing apparatus (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 706. The image frames processed by the graphics processor 7041 may be stored in memory 709 (or other storage medium) or transmitted via the radio unit 701 or the network module 702. The microphone 7042 can receive sound, and can process such sound into audio data. The processed audio data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 701 in the case of a telephone call mode.
The terminal 700 also includes at least one sensor 705, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 7061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 7061 and/or the backlight when the terminal 700 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when the accelerometer sensor is stationary, and can be used for recognizing the terminal gesture (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; the sensor 705 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, an infrared sensor, etc., and will not be described again here.
The display unit 706 is used to display information input by a user or information provided to the user. The display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 707 is operable to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 7071 or thereabout using any suitable object or accessory such as a finger, stylus, etc.). The touch panel 7071 may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch azimuth of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 710, and receives and executes commands sent from the processor 710. In addition, the touch panel 7071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 707 may include other input devices 7072 in addition to the touch panel 7071. In particular, other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein.
Further, the touch panel 7071 may be overlaid on the display panel 7061, and when the touch panel 7071 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 710 to determine a type of a touch event, and then the processor 710 provides a corresponding visual output on the display panel 7061 according to the type of the touch event. Although in fig. 7, the touch panel 7071 and the display panel 7061 are two independent components to implement the input and output functions of the terminal, in some embodiments, the touch panel 7071 and the display panel 7061 may be integrated to implement the input and output functions of the terminal, which is not limited herein.
The interface unit 708 is an interface to which an external device is connected to the terminal 700. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 708 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal 700 or may be used to transmit data between the terminal 700 and an external device.
The memory 709 may be used to store software programs as well as various data. The memory 709 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 709 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 710 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by running or executing software programs and/or modules stored in the memory 709 and calling data stored in the memory 709, thereby performing overall monitoring of the terminal. Processor 710 may include one or more processing units; preferably, the processor 710 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 710.
The terminal 700 may also include a power supply 711 (e.g., a battery) for powering the various components, and the power supply 711 may preferably be logically coupled to the processor 710 via a power management system, such as to perform charge, discharge, and power management functions via the power management system.
In addition, the terminal 700 may further include some functional modules, which are not shown, and are not described herein.
Referring to fig. 8, fig. 8 is a schematic hardware structure of a network device implementing various embodiments of the present invention, where the network device 80 includes, but is not limited to: bus 81, transceiver 82, antenna 83, bus interface 84, processor 85 and memory 86.
In an embodiment of the present invention, the network device 80 further includes: a computer program stored on the memory 86 and executable on the processor 85.
Optionally, when the network device 80 is the first network device for providing unicast service for a terminal, the following steps are implemented when the computer program is executed by the processor 85:
receiving negotiation information from a second network device;
wherein the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
And transmission rate related information of the target MBMS.
Optionally, when the network device 80 is the second network device for providing MBMS to a terminal, the computer program when executed by the processor 85 implements the following steps:
transmitting negotiation information to a first network device;
wherein the first network device is a device for providing unicast service for the terminal, and the negotiation information includes at least one of the following:
the transmission time related information of the target MBMS;
and transmission rate related information of the target MBMS.
The network device 80 of the embodiment of the present invention may implement each process implemented in the method embodiment shown in fig. 1 or fig. 2 and achieve the same beneficial effects, and in order to avoid repetition, a detailed description is omitted here.
In fig. 8, a transceiver 82 is used to receive and transmit data under the control of a processor 85. Bus architecture (represented by bus 81), bus 81 may include any number of interconnected buses and bridges, with bus 81 linking together various circuits, including one or more processors, represented by processor 85, and memory, represented by memory 86. The bus 81 may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are well known in the art and, therefore, will not be described further herein. Bus interface 84 provides an interface between bus 81 and transceiver 82. The transceiver 82 may be one element or may be a plurality of elements, such as a plurality of receivers and transmitters, providing a means for communicating with various other apparatus over a transmission medium. The data processed by the processor 85 is transmitted over a wireless medium via the antenna 83, and further, the antenna 83 receives the data and transmits the data to the processor 85.
The processor 85 is responsible for managing the bus 81 and general processing and may also provide various functions including timing, peripheral interfaces, voltage regulation, power management, and other control functions. And memory 86 may be used to store data used by processor 85 in performing operations.
Alternatively, the processor 85 may be CPU, ASIC, FPGA or a CPLD.
The embodiment of the present invention further provides a computer readable storage medium, where a computer program is stored on the computer readable storage medium, where the computer program when executed by a processor may implement each process of the foregoing capability negotiation method embodiment shown in fig. 1, or may implement each process of the foregoing capability negotiation method embodiment shown in fig. 2, or may implement each process of the foregoing capability negotiation method embodiment shown in fig. 3, and may achieve the same technical effect, so that repetition is avoided and no further description is given here. The computer readable storage medium is, for example, read-Only Memory (ROM), random access Memory (Random Access Memory RAM), magnetic disk or optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (18)
1. A capability negotiation method applied to a first network device, comprising:
receiving negotiation information from a second network device;
wherein, the first network device is a device for providing a unicast service for a terminal, and the second network device is a device for providing a Multimedia Broadcast Multicast Service (MBMS) for the terminal;
the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
wherein the negotiation information is used for performing terminal capability negotiation management related to MBMS reception between the first network device and the second network device, and after the negotiation information is received from the second network device, the method further comprises:
when the total capacity of the data of the unicast service of the first network device and the data of the MBMS of the second network device exceeds the layer two buffer capacity of the terminal in the scheduling time, executing any one of the following:
in the scheduling time, not sending unicast service data to the terminal;
and in the scheduling time, adopting a mode of reducing the unicast service rate to send unicast service data to the terminal.
2. The method of claim 1, wherein prior to receiving negotiation information from the second network device, the method further comprises:
and sending negotiation request information to the second network equipment, wherein the negotiation request information requests a negotiation process related to MBMS receiving by the second network equipment.
3. The method according to claim 1 or 2, wherein the transmission time related information of the target MBMS includes at least one of:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
4. The method according to claim 1 or 2, wherein the transmission rate related information of the target MBMS includes at least one of:
the transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
5. The method according to claim 2, wherein the transmission condition of the negotiation request information includes any one of:
the first network device receiving interest condition indication information on MBMS reception from the terminal;
The first network device receives indication information from the terminal indicating that the terminal has established a configuration related to MBMS reception.
6. The method of claim 1, wherein the means for reducing the unicast service rate comprises at least one of:
reducing the number of available resource blocks of unicast service;
reducing the number of available resource elements of unicast service;
a low configured modulation coding strategy is used.
7. The capability negotiation method is applied to the second network equipment and is characterized by comprising the following steps:
transmitting negotiation information to a first network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
the negotiation information is used for carrying out terminal capability negotiation management related to MBMS receiving between the first network equipment and the second network equipment, and when the total capacity of the data of the unicast service of the first network equipment and the data of the MBMS of the second network equipment exceeds the layer two cache capacity of the terminal in the scheduling time, the unicast service data is not sent to the terminal in the scheduling time, or the unicast service data is sent to the terminal in a mode of reducing the unicast service rate.
8. The method of claim 7, wherein prior to sending negotiation information to the first network device, the method further comprises:
and receiving negotiation request information from the first network equipment, wherein the negotiation request information requests a negotiation process related to MBMS receiving by the second network equipment.
9. The method according to claim 7 or 8, wherein the transmission time related information of the target MBMS includes at least one of:
a transmission time period of the target MBMS;
the sending duration of the target MBMS in each sending period;
transmission start time of the target MBMS.
10. The method according to claim 7 or 8, wherein the transmission rate related information of the target MBMS includes at least one of:
the transmission bit rate of the target MBMS;
the number of resource blocks occupied by the target MBMS;
the number of resource elements occupied by the target MBMS;
a modulation and coding strategy adopted by the target MBMS;
subcarrier spacing adopted by the target MBMS;
buffer size of target MBMS.
11. The method of claim 7, wherein the transmission condition of the negotiation information includes any one of:
the transmission time related information of the target MBMS is changed;
The transmission rate related information of the target MBMS is changed.
12. The capability negotiation method is applied to the terminal and is characterized by comprising the following steps:
transmitting indication information to a first network device;
wherein the indication information indicates the first network device to request negotiation information from the second network device; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
the negotiation information is used for carrying out terminal capability negotiation management related to MBMS receiving between the first network equipment and the second network equipment, and when the total capacity of the data of the unicast service of the first network equipment and the data of the MBMS of the second network equipment exceeds the layer two cache capacity of the terminal in the scheduling time, the unicast service data is not sent to the terminal in the scheduling time, or the unicast service data is sent to the terminal in a mode of reducing the unicast service rate.
13. The method of claim 12, wherein the indication information is any one of the following;
Information indicating a status of interest regarding MBMS reception;
indication information indicating that the terminal has established MBMS reception-related configuration.
14. A first network device, comprising:
a first receiving module for receiving negotiation information from a second network device;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
wherein the negotiation information is used for performing terminal capability negotiation management related to MBMS reception between the first network device and the second network device, and the first network device further comprises:
an execution module, configured to execute, after receiving negotiation information from the second network device, any one of the following when, in a scheduled time, a total capacity of data of a unicast service of the first network device and data of an MBMS of the second network device exceeds a layer two cache capacity of the terminal:
in the scheduling time, not sending unicast service data to the terminal;
And in the scheduling time, adopting a mode of reducing the unicast service rate to send unicast service data to the terminal.
15. A second network device, comprising:
the second sending module is used for sending negotiation information to the first network equipment;
the first network equipment is equipment for providing unicast service for a terminal, and the second network equipment is equipment for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
the negotiation information is used for carrying out terminal capability negotiation management related to MBMS receiving between the first network equipment and the second network equipment, and when the total capacity of the data of the unicast service of the first network equipment and the data of the MBMS of the second network equipment exceeds the layer two cache capacity of the terminal in the scheduling time, the unicast service data is not sent to the terminal in the scheduling time, or the unicast service data is sent to the terminal in a mode of reducing the unicast service rate.
16. A terminal, comprising:
The third sending module is used for sending indication information to the first network equipment;
wherein the indication information indicates the first network device to request negotiation information from the second network device; the first network device is a device for providing unicast service for a terminal, and the second network device is a device for providing MBMS for the terminal; the negotiation information includes at least one of:
the transmission time related information of the target MBMS;
transmitting rate related information of the target MBMS;
the negotiation information is used for carrying out terminal capability negotiation management related to MBMS receiving between the first network equipment and the second network equipment, and when the total capacity of the data of the unicast service of the first network equipment and the data of the MBMS of the second network equipment exceeds the layer two cache capacity of the terminal in the scheduling time, the unicast service data is not sent to the terminal in the scheduling time, or the unicast service data is sent to the terminal in a mode of reducing the unicast service rate.
17. A communication device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the computer program when executed by the processor implements the steps of the capability negotiation method according to any one of claims 1 to 6, or the steps of the capability negotiation method according to any one of claims 7 to 11, or the steps of the capability negotiation method according to claim 12 or 13.
18. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the capability negotiation method according to any one of claims 1 to 6, or the steps of the capability negotiation method according to any one of claims 7 to 11, or the steps of the capability negotiation method according to claim 12 or 13.
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| PCT/CN2020/107759 WO2021027716A1 (en) | 2019-08-09 | 2020-08-07 | Capability negotiation method, terminal and network device |
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| CN116367093A (en) * | 2021-12-27 | 2023-06-30 | 维沃移动通信有限公司 | Multicast service transmission method, terminal and network side equipment |
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| CN111836311A (en) | 2020-10-27 |
| WO2021027716A1 (en) | 2021-02-18 |
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