WO2022006875A1 - Procédé et appareil permettant d'établir un service mbs, ainsi que dispositif terminal et dispositif de réseau - Google Patents

Procédé et appareil permettant d'établir un service mbs, ainsi que dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2022006875A1
WO2022006875A1 PCT/CN2020/101405 CN2020101405W WO2022006875A1 WO 2022006875 A1 WO2022006875 A1 WO 2022006875A1 CN 2020101405 W CN2020101405 W CN 2020101405W WO 2022006875 A1 WO2022006875 A1 WO 2022006875A1
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Prior art keywords
mbs service
value
message
terminal device
rrc
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PCT/CN2020/101405
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English (en)
Chinese (zh)
Inventor
王淑坤
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Oppo广东移动通信有限公司
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Priority to PCT/CN2020/101405 priority Critical patent/WO2022006875A1/fr
Priority to CN202080101099.8A priority patent/CN115669207A/zh
Publication of WO2022006875A1 publication Critical patent/WO2022006875A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • the embodiments of the present application relate to the field of mobile communication technologies, and in particular, to a method and apparatus, terminal device, and network device for establishing a Multimedia Broadcast Service (MBS) service.
  • MMS Multimedia Broadcast Service
  • the terminal device can only receive the MBS service after entering the Radio Resource Control (Radio Resource Control, RRC) connection state. Therefore, it is necessary to quickly establish the MBS service.
  • RRC Radio Resource Control
  • the establishment may fail, and how to effectively establish the MBS service is a problem that needs to be solved.
  • the embodiments of the present application provide a method and apparatus for establishing an MBS service, a terminal device, and a network device.
  • the terminal device sends a first RRC message to the network device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, the first cause value
  • the reason for indicating that the first RRC message is initiated is that the MBS service is established;
  • the terminal device receives a second RRC message sent by the network device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • the network device receives the first RRC message sent by the terminal device, where the first RRC message is an RRC connection establishment request message or an RRC connection restoration request message, wherein the first RRC message carries a first cause value, the first cause The value is used to indicate that the first RRC message is initiated because the MBS service is established;
  • the network device sends a second RRC message to the terminal device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • a sending unit configured to send a first RRC message to a network device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, and the first RRC message A cause value is used to indicate that the first RRC message is initiated because the MBS service is established;
  • a receiving unit configured to receive a second RRC message sent by the network device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • a receiving unit configured to receive a first RRC message sent by a terminal device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, the The first cause value is used to indicate that the first RRC message is initiated because the MBS service is established;
  • a sending unit configured to send a second RRC message to the terminal device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • the terminal device provided by the embodiments of the present application includes a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory to execute the above-mentioned method for establishing an MBS service.
  • the network device provided by the embodiments of the present application includes a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory to execute the above-mentioned method for establishing an MBS service.
  • the chip provided by the embodiment of the present application is used to implement the above-mentioned method for establishing an MBS service.
  • the chip includes: a processor for invoking and running a computer program from the memory, so that a device installed with the chip executes the above-mentioned method for establishing an MBS service.
  • the computer-readable storage medium provided by the embodiment of the present application is used for storing a computer program, and the computer program enables a computer to execute the above-mentioned method for establishing an MBS service.
  • the computer program product provided by the embodiments of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned method for establishing an MBS service.
  • the computer program provided by the embodiment of the present application when running on a computer, enables the computer to execute the above-mentioned method for establishing an MBS service.
  • the terminal device carries the first cause value of the MBS service establishment in the RRC connection establishment request message or the RRC connection restoration request message, so that the network device can make it clear that the service to be established is the MBS service. Therefore, no resource waste will be caused by receiving the MBS service in such a way that the network device will not reject the request of the terminal device, thereby realizing the rapid establishment of the MBS service.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart 1 of a method for establishing an MBS service provided by an embodiment of the present application
  • FIG. 3 is a second schematic flowchart of a method for establishing an MBS service provided by an embodiment of the present application
  • FIG. 4 is a schematic flowchart 3 of a method for establishing an MBS service provided by an embodiment of the present application
  • FIG. 5 is a schematic diagram 1 of the structure and composition of an apparatus for establishing an MBS service provided by an embodiment of the present application;
  • FIG. 6 is a second schematic diagram of the structure and composition of an apparatus for establishing an MBS service provided by an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication systems or future communication systems etc.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or referred to as a communication terminal, a terminal).
  • the network device 110 may provide communication coverage for a particular geographic area and may communicate with terminals located within the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the
  • the network device can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a network-side device in a 5G network, or a network device in a future communication system.
  • the communication system 100 also includes at least one terminal 120 located within the coverage of the network device 110 .
  • Terminal includes, but is not limited to, connections via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connections; and/or another data connection/network; and/or via a wireless interface, e.g. for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/transmit a communication signal; and/or an Internet of Things (IoT) device.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • WLAN Wireless Local Area Networks
  • digital television networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter
  • IoT Internet of Things
  • a terminal arranged to communicate through a wireless interface may be referred to as a "wireless communication terminal", “wireless terminal” or “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communications System (PCS) terminals that may combine cellular radio telephones with data processing, facsimile, and data communications capabilities; may include radio telephones, pagers, Internet/Intranet PDAs with networking access, web browsers, memo pads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or others including radiotelephone transceivers electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • a terminal may refer to an access terminal, user equipment (UE), subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks or terminals in future evolved PLMNs, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal (Device to Device, D2D) communication may be performed between the terminals 120 .
  • the 5G communication system or the 5G network may also be referred to as a new radio (New Radio, NR) system or an NR network.
  • New Radio NR
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices, and the coverage of each network device may include other numbers of terminals. This embodiment of the present application This is not limited.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal 120 with a communication function, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here;
  • the device may further include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • 5G Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine-Type Communications
  • eMBB still aims at users' access to multimedia content, services and data, and its demand is growing rapidly.
  • eMBB since eMBB may be deployed in different scenarios, such as indoor, urban, rural, etc., its capabilities and requirements are also quite different, so it cannot be generalized and must be analyzed in detail in combination with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, power automation, telemedicine operations (surgery), traffic safety assurance, etc.
  • Typical features of mMTC include: high connection density, small data volume, latency-insensitive services, low cost and long service life of the module.
  • RRC_INACTIVE Radio Resource Control
  • RRC_INACTIVE Radio Resource Control
  • RRC_IDLE state (referred to as idle state): mobility is based on terminal device cell selection and reselection, paging is initiated by the core network (Core Network, CN), and the paging area is configured by the CN. There is no terminal device context and no RRC connection on the base station side.
  • RRC_CONNECTED state (referred to as connected (connected) state for short): there is an RRC connection, and a terminal device context exists on the base station side and the terminal device side.
  • the network side knows that the location of the terminal equipment is at the specific cell level. Mobility is the mobility controlled by the network side. Unicast data can be transmitted between the terminal equipment and the base station.
  • RRC_INACTIVE state (referred to as inactive state): mobility is based on terminal equipment cell selection reselection, there is a connection between CN-NR, terminal equipment context exists on a certain base station, paging is triggered by RAN , the RAN-based paging area is managed by the RAN, and the network side knows the location of the terminal device is based on the RAN-based paging area level.
  • MBMS is a technology that transmits data from one data source to multiple UEs by sharing network resources. This technology can effectively utilize network resources while providing multimedia services, and realize the broadcasting and multicast.
  • 3GPP clearly proposes to enhance the support capability for downlink high-speed MBMS services, and determines the design requirements for the physical layer and air interface.
  • eMBMS evolved MBMS
  • SFN Single Frequency Network
  • MBSFN Multimedia Broadcast Multicast Service Single Frequency Network
  • MBSFN uses a uniform frequency to send service data in all cells at the same time, but To ensure synchronization between cells. In this way, the overall signal-to-noise ratio distribution of the cell can be greatly improved, and the spectral efficiency will also be greatly improved accordingly.
  • eMBMS implements service broadcast and multicast based on IP multicast protocol.
  • MBMS has only a broadcast bearer mode and no multicast bearer mode.
  • reception of MBMS services is applicable to UEs in idle state or connected state.
  • SC-PTM Single Cell Point To Multiploint
  • SC-MCCH Single Cell Multicast Control Channel
  • SC-MTCH Single Cell Multicast Transport Channel
  • SC-MCCH and SC-MTCH are mapped to downlink shared channel (Downlink-Shared Channel, DL-SCH), further, DL-SCH is mapped to physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), wherein, SC - MCCH and SC-MTCH belong to logical channels, DL-SCH belongs to transport channels, and PDSCH belongs to physical channels.
  • SC-MCCH and SC-MTCH do not support hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) operations.
  • Hybrid Automatic Repeat reQuest Hybrid Automatic Repeat reQuest
  • MBMS introduces a new system information block (System Information Block, SIB) type, namely SIB20.
  • SIB System Information Block
  • the configuration information of the SC-MCCH includes the modification period of the SC-MCCH, the repetition period of the SC-MCCH, and information such as the radio frame and subframe in which the SC-MCCH is scheduled.
  • SFN represents the system frame number of the radio frame
  • mcch-RepetitionPeriod represents the repetition period of SC-MCCH
  • mcch-Offset represents SC-MCCH offset.
  • the SC-MCCH is scheduled through the Physical Downlink Control Channel (PDCCH).
  • PDCCH Physical Downlink Control Channel
  • RNTI Radio Network Tempory Identity
  • SC-RNTI Single Cell RNTI
  • the fixed value of SC-RNTI is FFFC.
  • a new RNTI is introduced, that is, a single cell notification RNTI (Single Cell Notification RNTI, SC-N-RNTI) to identify the PDCCH (such as the notification PDCCH) used to indicate the change notification of the SC-MCCH, optionally, the SC
  • the fixed value of -N-RNTI is FFFB; further, one of the 8 bits (bits) of DCI 1C can be used to indicate the change notification.
  • the configuration information of the SC-PTM is based on the SC-MCCH configured by the SIB20, and then the SC-MCCH configures the SC-MTCH, and the SC-MTCH is used to transmit service data.
  • the SC-MCCH only transmits one message (ie, SCPTMConfiguration), which is used to configure the configuration information of the SC-PTM.
  • the configuration information of SC-PTM includes: Temporary Mobile Group Identity (TMGI), session identifier (session id), group RNTI (Group RNTI, G-RNTI), discontinuous reception (Discontinuous Reception, DRX) configuration information And the SC-PTM service information of neighboring cells, etc.
  • TMGI Temporary Mobile Group Identity
  • session id session identifier
  • group RNTI Group RNTI, G-RNTI
  • discontinuous reception discontinuous Reception
  • DRX discontinuous Reception
  • Downlink discontinuous reception of SC-PTM is controlled by the following parameters: onDurationTimerSCPTM, drx-InactivityTimerSCPTM, SC-MTCH-SchedulingCycle, and SC-MTCH-SchedulingOffset.
  • the downstream SC-PTM service is received only when the timer onDurationTimerSCPTM or drx-InactivityTimerSCPTM is running.
  • SC-PTM business continuity adopts the concept of MBMS business continuity based on SIB15, namely "SIB15+MBMSInterestIndication" mode.
  • SIB15 namely "SIB15+MBMSInterestIndication" mode.
  • the service continuity of the UE in idle state is based on the concept of frequency priority.
  • a new SIB (called the first SIB) is defined, and the first SIB includes the configuration information of the first MCCH.
  • the first MCCH is the control channel of the MBMS service.
  • An SIB is used to configure the configuration information of the control channel of the NR MBMS.
  • the control channel of the NR MBMS may also be called the NR MCCH (that is, the first MCCH).
  • the first MCCH is used to carry the first signaling, and the embodiment of this application does not limit the name of the first signaling.
  • the first signaling is signaling A
  • the first signaling includes at least one first MTCH.
  • the first MTCH is a service channel (also called a data channel or a transmission channel) of the MBMS service
  • the first MTCH is used to transmit MBMS service data (such as NR MBMS service data).
  • the first MCCH is used to configure the configuration information of the traffic channel of the NR MBMS.
  • the traffic channel of the NR MBMS may also be called the NR MTCH (that is, the first MTCH).
  • the first signaling is used to configure a service channel of the NR MBMS, service information corresponding to the service channel, and scheduling information corresponding to the service channel.
  • the service information corresponding to the service channel such as TMGI, session id and other identification information for identifying services.
  • the scheduling information corresponding to the traffic channel for example, the RNTI used when the MBMS service data corresponding to the traffic channel is scheduled, such as G-RNTI, DRX configuration information, and the like.
  • the transmissions of the first MCCH and the first MTCH are both scheduled based on the PDCCH.
  • the RNTI used for scheduling the PDCCH of the first MCCH uses a network-wide unique identifier, that is, a fixed value.
  • the RNTI used by the PDCCH for scheduling the first MTCH is configured through the first MCCH.
  • this embodiment of the present application does not limit the naming of the first SIB, the first MCCH, and the first MTCH.
  • the first SIB may also be abbreviated as SIB
  • the first MCCH may also be abbreviated as MCCH
  • the first MTCH may also be abbreviated as MTCH.
  • M PDCCHs for scheduling MTCH are configured through MCCH (ie MTCH 1 PDCCH, MTCH 2 PDCCH, ..., MTCH M PDCCH), wherein the DCI carried by MTCH n PDCCH schedules the PDSCH used for transmitting MTCH n (ie MTCH n PDSCH), n is an integer greater than or equal to 1 and less than or equal to M.
  • MCCH and MTCH are mapped to DL-SCH, and further, DL-SCH is mapped to PDSCH, wherein MCCH and MTCH belong to logical channels, DL-SCH belongs to transport channels, and PDSCH belongs to physical channels.
  • MBMS services in the above solution include but are not limited to multicast services and multicast services.
  • the embodiments of the present application are described by taking the MBS service as an example, and the description of "MBS service” may also be replaced with "multicast service” or “multicast service” or "MBMS service”.
  • the terminal equipment can only receive the MBS service after entering the connected state, so the terminal equipment needs to enter the connected state in order to receive the MBS service.
  • Some MBS services require the terminal equipment to enter the connected state through paging to receive the MBS services. For this reason, there is a need to quickly establish the MBS service, and how to effectively establish the MBS service is a need for optimization. To this end, the following technical solutions of the embodiments of the present application are proposed.
  • FIG. 2 is a schematic flowchart 1 of a method for establishing an MBS service provided by an embodiment of the present application. As shown in FIG. 2 , the method for an MBS service includes the following steps:
  • Step 201 The terminal device sends a first RRC message to the network device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, and the first RRC message carries a first cause value.
  • a cause value is used to indicate that the first RRC message is initiated because the MBS service is established.
  • the network device may be a base station, such as a gNB.
  • the terminal device sends the first RRC message to the network device, and correspondingly, the network device receives the first RRC message sent by the terminal device.
  • the first RRC message is an RRC connection establishment request message or an RRC connection restoration request message.
  • the terminal device before the terminal device sends the first RRC message to the network device, the terminal device initiates a random access procedure to the serving cell that it currently resides on. Specifically, the terminal device sends a preamble (ie Msg1) to the network device, Receive the uplink grant (ie Msg2) sent by the network device, and send the terminal device to send the first RRC message (ie Msg3) to the network device based on the uplink grant.
  • a preamble ie Msg1
  • Receive the uplink grant ie Msg2
  • the terminal device to send the first RRC message (ie Msg3) to the network device based on the uplink grant.
  • the first RRC message carries a first cause value
  • the first cause value is used to indicate that the first RRC message is initiated because the MBS service is established.
  • the network device can distinguish whether the service to be established is MBS service establishment or other services according to the first cause value.
  • the first cause value is provided to an access (Access Stratum, AS) layer by a non-access (Non-Access Stratum, NAS) layer of the terminal device. Further, the AS layer adds the first cause value to the RRC connection establishment request message or the RRC connection recovery request message.
  • the terminal device in the case of the initial MBS service establishment of the terminal device, the terminal device acts as the calling party (Mobile Origination, MO). In the case of the establishment of the MBS service initiated by the terminal equipment being paged, the terminal equipment acts as the called (Mobile Terminate, MT). The two cases are described below.
  • the value of the first cause value is one of the following:
  • the first value the first value is used to represent that there is data to be initiated
  • the second value is used to represent that the initiated service is an MBS service
  • the fourth value is used to indicate that the MBS service initiated has the second priority.
  • the first priority is different from the second priority, and optionally, the first priority is higher than the second priority.
  • the first value is MO-data.
  • MO-data indicates that there is data to send.
  • the second value is MO-MBS.
  • MO-MBS indicates that the service initiated is MBS service.
  • the third value is MO-MBS-highpriority.
  • MO-MBS-highpriority indicates that the initiated MBS service has high priority.
  • the fourth value is MO-MBS-lowpriority.
  • MO-MBS-lowpriority indicates that the MBS service initiated has low priority.
  • the terminal device may acquire the MBS service information in any one of the following manners.
  • Manner 1 The network device sends the system broadcast information to the terminal device, and accordingly, the terminal device receives the system broadcast information sent by the network device, and acquires the MBS service information of the serving cell from the system broadcast information.
  • the system broadcast information carries the MBS service information of the serving cell.
  • the network device sends RRC dedicated signaling to the terminal device, and accordingly, the terminal device receives the RRC dedicated signaling sent by the network device, and obtains MBS service information from the RRC dedicated signaling.
  • the RRC dedicated signaling is an RRC release message.
  • the RRC dedicated signaling carries MBS service information.
  • the MBS service information includes at least one of the following: identification information of the MBS service, transmission status of the MBS service, and area information of the MBS service transmission.
  • the transmission state of the MBS service is used to represent that the state of the MBS service is about to be carried out, or in progress, or has ended.
  • the area information transmitted by the MBS service is characterized by at least one of the following: a cell list, a RAN code list, and a tracking area (Tracking Area, TA) list.
  • the terminal equipment After the terminal equipment camps on or reselection to a cell, it obtains the identity of the cell, and then compares it with the area information transmitted by the MBS service. If it can match, the establishment of the MBS service is triggered, otherwise, the establishment of the MBS service is not triggered.
  • the value of the first cause value is one of the following:
  • the fifth value is used to represent that there is data to be received
  • the sixth value is used to represent that the received service is an MBS service
  • the seventh value is used to indicate that the received MBS service has the first priority
  • the eighth value is used to indicate that the received MBS service has the second priority.
  • the first priority is different from the second priority, and optionally, the first priority is higher than the second priority.
  • the fifth value is MT-data.
  • MT-data indicates that there is data to be received.
  • the sixth value is MT-MBS.
  • MT-MBS indicates that the received service is an MBS service.
  • the seventh value is MT-MBS-highpriority.
  • MT-MBS-highpriority indicates that the received MBS service has high priority.
  • the eighth value is MT-MBS-lowpriority.
  • MT-MBS-lowpriority indicates that the received MBS service has low priority.
  • the network device before the terminal device sends the first RRC message to the network device, the network device sends a paging message to the terminal device, and accordingly, the terminal device receives the message sent by the network device.
  • the paging message carries first indication information, and the first indication information is used to indicate that the paging message is triggered by the MBS service and/or to indicate the identification of the MBS service.
  • the paging message carries the first indication information, and the terminal device can distinguish whether the paging is triggered by the MBS service or the paging triggered by other services according to the first indication information.
  • the first indication information includes 1-bit indication information, and the value of this 1-bit is 1, indicating that the paging message is triggered by the MBS service.
  • the first indication information may further include an identification of the MBS service (eg TMGI), and may also indicate that the paging message is triggered by the MBS service.
  • the paging message also carries the identification information of the terminal equipment (that is, PagingUE-Identity), wherein the identification information of the terminal equipment is a Serving-Temporary Mobile Subscriber Identity (Serving-Temporary Mobile Subscriber Identity, S -TMSI); or, the identification information of the terminal device is the temporary identification (that is, the MBS specific temporary UE identity) of the terminal device in the multicast group where the MBS service is located.
  • the terminal device may determine that the paging message is for paging itself according to the identification information of the terminal device carried in the paging message.
  • Step 202 The terminal device receives a second RRC message sent by the network device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • the network device sends the second RRC message to the terminal device, and correspondingly, the terminal device receives the second RRC message sent by the network device.
  • the terminal device After receiving the RRC connection establishment message or the RRC connection restoration cancellation, the terminal device completes the establishment of the SRB1 or the service restoration.
  • the terminal device sends a third RRC message to the network device, and accordingly, the network device receives the third RRC message sent by the terminal device, where the third RRC message is An RRC connection establishment complete message or an RRC connection recovery complete message, wherein the third RRC message carries the identification information of the MBS service to be established.
  • the identification information of the MBS service is, for example, TMGI.
  • the network device adds the terminal device to the multicast group corresponding to the MBS service according to the identification information of the MBS service.
  • the network device sends a fourth RRC message to the terminal device, and accordingly, the terminal device receives the fourth RRC message sent by the network device, where the fourth RRC message is RRC connection reconfiguration message, wherein the fourth RRC message is used to establish the MBS service.
  • the network equipment department in order to enable the terminal device to establish the MBS service, the network equipment department can correctly determine whether to establish the unicast MBS service or the multicast MBS service for the terminal device, and avoid the latter unicast mode.
  • the network device In the conversion between the multicast mode and the multicast mode, the network device needs to know the channel environment of the terminal device in advance. For this reason, the terminal device reports the channel measurement result to the network device; wherein, the channel measurement result is used by the network device to determine whether the Whether the MBS service is sent in a unicast manner or the MBS service is sent in a multicast manner.
  • the network device receives the channel measurement result sent by the terminal device, and determines, based on the channel measurement result, whether to send the MBS service in a unicast manner or send the MBS service in a multicast manner.
  • the terminal device reports the channel measurement result to the network device in an idle state or an inactive state.
  • the terminal device reports the channel measurement result to the network device during the RRC connection establishment process or the RRC connection recovery process.
  • the network device determines to send the MBS service in a unicast manner, so that the receiving quality of the MBS service can be effectively improved.
  • the network device determines to send the MBS service in a multicast manner. In this way, network resources can be saved on the premise of ensuring the receiving quality of the MBS service.
  • the channel measurement result includes at least one of the following: the channel measurement result of the serving cell, the channel measurement result of the adjacent cell, the channel measurement result of the beam that meets the condition in the serving cell, and the channel of the beam that meets the condition in the adjacent cell. measurement results.
  • the beams that meet the conditions may be one or more beams with the best channel quality.
  • the beams satisfying the condition may be one or more beams whose channel quality exceeds a certain threshold.
  • the channel measurement result includes at least one of the following: Channel Quality Indication (Channel Quality Indication, CQI) measurement result, Reference Signal Received Power (Reference Signal Received Power, RSRP) measurement result, Reference Signal Received Quality (Reference Signal Received Quality, RSRQ) measurement results, Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, SINR) measurement results, Signal to Interference Ratio (Signal to Interference Ratio, SIR) measurement results.
  • CQI Channel Quality Indication
  • RSRP Reference Signal Received Power
  • RSRQ Reference Signal Received Quality
  • SINR Signal Received Quality
  • SINR Signal to Interference plus Noise Ratio
  • SINR Signal to Interference plus Noise Ratio
  • the terminal device in addition to reporting the channel measurement result, also reports, to the network device, identification information of the MBS service that the terminal device expects to receive, where the identification information of the MBS service is used by the network device Determine the MBS service to be received by the terminal device.
  • the network device receives the identification information of the MBS service that the terminal device expects to receive from the terminal device, and determines the MBS service to be received by the terminal device based on the identification information of the MBS service.
  • the terminal device reports the channel measurement result of the terminal device and the identification information of the MBS service expected to be received to the network device, so that the network device can accurately select the transmission mode of the MBS service (for example, the unicast mode or the Multicast mode), which can reduce unnecessary conversion between unicast mode and multicast mode.
  • the transmission mode of the MBS service for example, the unicast mode or the Multicast mode
  • FIG. 3 is a second schematic flowchart of a method for establishing an MBS service provided by an embodiment of the present application.
  • a terminal device is a UE and a network device is a gNB as an example.
  • the MBS service method includes the following steps :
  • Step 301 The gNB sends a SIB or RRC release message to the UE, carrying the MBS service information.
  • the SIB is system broadcast information
  • the RRC release message is RRC dedicated signaling.
  • the MBS service information is carried in the SIB or RRC release message.
  • the MBS service information includes at least one of the following: identification information (eg, TMGI) of the MBS service, transmission status of the MBS service, and area information of the MBS service transmission.
  • Step 302 The UE sends an RRC connection establishment request message or an RRC connection restoration request message to the gNB, carrying the first cause value as "MO-MBS".
  • RRC connection setup request message may also be referred to as "RRCSetupRequest”.
  • RRC connection resume request message may also be referred to as "RRCResumeRequest”.
  • Step 303 The gNB sends an RRC connection establishment message or an RRC connection recovery message to the UE.
  • RRC connection setup message may also be referred to as "RRCSetup”.
  • RRC connection resume message may also be denoted as "RRCResume”.
  • Step 304 The UE sends an RRC connection establishment complete message or an RRC connection restoration complete message to the gNB, which carries the identification information of the MBS service.
  • the RRC connection establishment complete message may also be referred to as "RRCSetupComplete”.
  • the RRC connection recovery complete message may also be denoted as "RRCResumeComplete”.
  • the identification information of the MBS service is, for example, TMGI.
  • Step 305 The UE sends the RRC dedicated signaling to the gNB, which carries the channel measurement result and/or the identification information of the MBS service.
  • the identification information of the MBS service is, for example, TMGI.
  • Step 306 The gNB sends an RRC connection reconfiguration message to the UE.
  • the RRC connection reconfiguration message may also be referred to as "RRCReconfiguration”.
  • Step 307 The UE sends an RRC connection reconfiguration complete message to the gNB.
  • the RRC connection reconfiguration complete message may also be referred to as "RRCReconfigurationComplete”.
  • the UE indicates in the RRC connection establishment request message or the RRC connection restoration request message (ie Msg3) that the reason for the establishment of the RRC connection on the network side is the MBS service (ie the RRC connection establishment request or the RRC connection restoration request is initiated).
  • Msg3 the reason for the establishment of the RRC connection on the network side is the MBS service
  • the network side does not need to reject the terminal device, because the UE receives the MBS service in the multicast mode, which will not cause waste of resources.
  • the gNB can quickly establish the MBS service.
  • FIG. 4 is a schematic flowchart of a method for establishing an MBS service provided by an embodiment of the present application.
  • the terminal device is a UE and the network device is a gNB as an example.
  • the MBS service method includes the following steps :
  • Step 400 The Access and Mobility Management Function (AMF) sends a paging message to the gNB, carrying the first indication information for indicating that the paging message is triggered by the MBS service and/or indicating the identification of the MBS service.
  • AMF Access and Mobility Management Function
  • the first indication information includes 1-bit indication information, and the value of this 1-bit is 1, indicating that the paging message is triggered by the MBS service.
  • the first indication information may further include an identification of the MBS service (eg TMGI), and may also indicate that the paging message is triggered by the MBS service.
  • the paging message also carries the identification information of the terminal equipment (i.e. PagingUE-Identity), wherein the identification information of the terminal equipment is S-TMSI or MBS specific temporary UE identity.
  • Step 401 The gNB sends a paging message to the UE, carrying the first indication information for indicating that the paging message is triggered by the MBS service and/or indicating the identifier of the MBS service.
  • the first indication information includes 1-bit indication information, and the value of this 1-bit is 1, indicating that the paging message is triggered by the MBS service.
  • the first indication information may further include an identification of the MBS service (eg TMGI), and may also indicate that the paging message is triggered by the MBS service.
  • the paging message also carries the identification information of the terminal equipment (i.e. PagingUE-Identity), wherein the identification information of the terminal equipment is S-TMSI or MBS specific temporary UE identity.
  • the method further includes: the gNB sends a SIB or RRC release message to the UE, carrying the MBS service information.
  • the SIB is system broadcast information
  • the RRC release message is RRC dedicated signaling.
  • the MBS service information is carried in the SIB or RRC release message.
  • the MBS service information includes at least one of the following: identification information of the MBS service (eg, TMGI), transmission status of the MBS service, and area information of the MBS service transmission.
  • Step 402 The UE sends an RRC connection establishment request message or an RRC connection restoration request message to the gNB, carrying the first cause value as "MO-MBS".
  • RRC connection setup request message may also be referred to as "RRCSetupRequest”.
  • RRC connection resume request message may also be referred to as "RRCResumeRequest”.
  • Step 403 The gNB sends an RRC connection establishment message or an RRC connection recovery message to the UE.
  • RRC connection setup message may also be referred to as "RRCSetup”.
  • RRC connection resume message may also be denoted as "RRCResume”.
  • Step 404 The UE sends an RRC connection establishment complete message or an RRC connection recovery complete message to the gNB, which carries the identification information of the MBS service.
  • the RRC connection establishment complete message may also be referred to as "RRCSetupComplete”.
  • the RRC connection recovery complete message may also be denoted as "RRCResumeComplete”.
  • the identification information of the MBS service is, for example, TMGI.
  • Step 405 The UE sends the RRC dedicated signaling to the gNB, which carries the channel measurement result and/or the identification information of the MBS service.
  • the identification information of the MBS service is, for example, TMGI.
  • Step 406 the gNB sends an RRC connection reconfiguration message to the UE.
  • the RRC connection reconfiguration message may also be referred to as "RRCReconfiguration”.
  • Step 407 The UE sends an RRC connection reconfiguration complete message to the gNB.
  • the RRC connection reconfiguration complete message may also be referred to as "RRCReconfigurationComplete”.
  • the network side indicates in the paging message that the paging message is triggered by the MBS service and/or indicates the identification of the MBS service, so that the UE can correctly inform the network side of the purpose of establishing the RRC connection for the paged UE
  • the UE indicates in the RRC connection establishment request message or the RRC connection restoration request message (ie Msg3) that the reason for the establishment of the RRC connection on the network side is the MBS service (that is, the reason for the initiation of the RRC connection establishment request or the RRC connection restoration request is the establishment of the MBS service), if
  • the network side does not need to reject the terminal device, because the UE receives the MBS service in the multicast mode, which will not cause waste of resources.
  • the gNB can quickly establish the MBS service.
  • FIG. 5 is a schematic structural diagram 1 of an apparatus for establishing an MBS service provided by an embodiment of the present application, which is applied to a terminal device.
  • the apparatus for establishing an MBS service includes:
  • a sending unit 501 is configured to send a first RRC message to a network device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, the The first cause value is used to indicate that the first RRC message is initiated because the MBS service is established;
  • the receiving unit 502 is configured to receive a second RRC message sent by the network device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • the sending unit 501 is further configured to send a third RRC message to the network device, where the third RRC message is an RRC connection establishment complete message or an RRC connection recovery complete message, wherein the The third RRC message carries the identification information of the MBS service to be established.
  • the receiving unit 502 is further configured to receive a fourth RRC message sent by the network device, where the fourth RRC message is an RRC connection reconfiguration message, wherein the fourth RRC message uses in establishing the MBS service.
  • the first cause value is provided to the AS layer by the NAS layer of the terminal device.
  • the value of the first cause value is one of the following:
  • the first value the first value is used to represent that there is data to be initiated
  • the second value is used to represent that the initiated service is an MBS service
  • the fourth value is used to indicate that the MBS service initiated has the second priority.
  • the receiving unit 502 is further configured to receive system broadcast information sent by the network device, and acquire MBS service information of the serving cell from the system broadcast information.
  • the receiving unit 502 is further configured to receive the RRC dedicated signaling sent by the network device, and obtain the MBS service information from the RRC dedicated signaling.
  • the MBS service information includes at least one of the following: identification information of the MBS service, transmission status of the MBS service, and area information of MBS service transmission.
  • the transmission state of the MBS service is used to indicate that the state of the MBS service is about to be performed, or in progress, or has ended.
  • the area information transmitted by the MBS service is characterized by at least one of the following: a cell list, a RAN code list, and a TA list.
  • the value of the first cause value is one of the following:
  • the fifth value is used to represent that there is data to be received
  • the sixth value is used to represent that the received service is an MBS service
  • the seventh value is used to indicate that the received MBS service has the first priority
  • the eighth value is used to indicate that the received MBS service has the second priority.
  • the receiving unit 502 is further configured to receive a paging message sent by the network device, where the paging message carries first indication information, and the first indication information is used to indicate the paging message.
  • the call message is triggered by the MBS service and/or indicates the identification of the MBS service.
  • the paging message also carries the identification information of the terminal device
  • the identification information of the terminal device is S-TMSI; or,
  • the identification information of the terminal device is a temporary identification of the terminal device in the multicast group where the MBS service is located.
  • the sending unit 501 is further configured to report a channel measurement result to the network device; wherein the channel measurement result is used by the network device to determine whether to send the MBS service in a unicast manner
  • the MBS service is also sent in a multicast manner.
  • the channel measurement result includes at least one of the following:
  • the channel measurement result of the serving cell the channel measurement result of the adjacent cell, the channel measurement result of the beam that meets the condition in the serving cell, and the channel measurement result of the beam that meets the condition in the adjacent cell.
  • the channel measurement result includes at least one of the following:
  • CQI measurement result RSRP measurement result, RSRQ measurement result, SINR measurement result, SIR measurement result.
  • the sending unit 501 is further configured to report, to the network device, identification information of the MBS service that the terminal device expects to receive, where the identification information of the MBS service is used by the network device to determine the the MBS service to be received by the terminal device.
  • FIG. 6 is a schematic diagram 2 of the structure and composition of the apparatus for establishing an MBS service provided by an embodiment of the present application, which is applied to a network device.
  • the apparatus for establishing an MBS service includes:
  • a receiving unit 601 configured to receive a first RRC message sent by a terminal device, where the first RRC message is an RRC connection establishment request message or an RRC connection recovery request message, wherein the first RRC message carries a first cause value, and the The first cause value is used to indicate that the first RRC message is initiated because the MBS service is established;
  • the sending unit 602 is configured to send a second RRC message to the terminal device, where the second RRC message is an RRC connection establishment message or an RRC connection recovery message.
  • the receiving unit 601 is further configured to receive a third RRC message sent by the terminal device, where the third RRC message is an RRC connection establishment complete message or an RRC connection recovery complete message, wherein the The third RRC message carries the identification information of the MBS service to be established.
  • the sending unit 602 is further configured to send a fourth RRC message to the terminal device, where the fourth RRC message is an RRC connection reconfiguration message, wherein the fourth RRC message is used for The MBS service is established.
  • the value of the first cause value is one of the following:
  • the first value the first value is used to represent that there is data to be initiated
  • the second value is used to represent that the initiated service is an MBS service
  • the fourth value is used to indicate that the MBS service initiated has the second priority.
  • the sending unit 602 is further configured to send system broadcast information to the terminal device, where the system broadcast information carries the MBS service information of the serving cell.
  • the sending unit 602 is further configured to send RRC dedicated signaling to the terminal device, where the RRC dedicated signaling carries MBS service information.
  • the MBS service information includes at least one of the following: identification information of the MBS service, transmission status of the MBS service, and area information of MBS service transmission.
  • the transmission state of the MBS service is used to indicate that the state of the MBS service is about to be performed, or in progress, or has ended.
  • the area information transmitted by the MBS service is characterized by at least one of the following: a cell list, a RAN code list, and a TA list.
  • the value of the first cause value is one of the following:
  • the fifth value is used to represent that there is data to be received
  • the sixth value is used to represent that the received service is an MBS service
  • the seventh value is used to indicate that the received MBS service has the first priority
  • the eighth value is used to indicate that the received MBS service has the second priority.
  • the sending unit 602 is further configured to send a paging message to the terminal device, where the paging message carries first indication information, and the first indication information is used to indicate the paging
  • the message is triggered by the MBS service and/or indicates the identification of the MBS service.
  • the paging message also carries the identification information of the terminal device
  • the identification information of the terminal device is S-TMSI; or,
  • the identification information of the terminal device is a temporary identification of the terminal device in the multicast group where the MBS service is located.
  • the receiving unit 601 is further configured to receive a channel measurement result sent by the terminal device;
  • the apparatus further includes: a determining unit (not shown in the figure), configured to determine, based on the channel measurement result, whether to send the MBS service in a unicast manner or send the MBS service in a multicast manner.
  • a determining unit (not shown in the figure), configured to determine, based on the channel measurement result, whether to send the MBS service in a unicast manner or send the MBS service in a multicast manner.
  • the channel measurement result includes at least one of the following:
  • the channel measurement result of the serving cell the channel measurement result of the adjacent cell, the channel measurement result of the beam that meets the condition in the serving cell, and the channel measurement result of the beam that meets the condition in the adjacent cell.
  • the channel measurement result includes at least one of the following:
  • CQI measurement result RSRP measurement result, RSRQ measurement result, SINR measurement result, SIR measurement result.
  • the receiving unit 601 is further configured to receive, sent by the terminal device, the identification information of the MBS service that the terminal device expects to receive;
  • the determining unit is further configured to determine the MBS service to be received by the terminal device based on the identification information of the MBS service.
  • FIG. 7 is a schematic structural diagram of a communication device 700 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from a memory to implement the methods in the embodiments of the present application.
  • the communication device 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the processor 710 may control the transceiver 730 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 700 may specifically be the network device in this embodiment of the present application, and the communication device 700 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 700 may specifically be the mobile terminal/terminal device of the embodiments of the present application, and the communication device 700 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory, so as to implement the methods in the embodiments of the present application.
  • the chip 800 may further include a memory 820 .
  • the processor 810 may call and run a computer program from the memory 820 to implement the methods in the embodiments of the present application.
  • the memory 820 may be a separate device independent of the processor 810 , or may be integrated in the processor 810 .
  • the chip 800 may further include an input interface 830 .
  • the processor 810 may control the input interface 830 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840 .
  • the processor 810 may control the output interface 840 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • FIG. 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here. .
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • Embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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Abstract

L'invention porte sur un procédé et sur un appareil permettant d'établir un service MBS, ainsi que sur un dispositif terminal et sur un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal envoie un premier message de commande RRC à un dispositif de réseau, le premier message de commande RRC étant un message de demande d'établissement de connexion de commande RRC ou un message de demande de reprise de connexion de commande RRC, le premier message de commande RRC comportant une première valeur de cause et la première valeur de cause étant utilisée pour indiquer que la cause de l'initiation du premier message de commande RRC est l'établissement d'un service MBS ; et le dispositif terminal reçoit un second message de commande RRC envoyé par le dispositif de réseau, le second message de commande RRC étant un message d'établissement de connexion de commande RRC ou un message de reprise de connexion de commande RRC.
PCT/CN2020/101405 2020-07-10 2020-07-10 Procédé et appareil permettant d'établir un service mbs, ainsi que dispositif terminal et dispositif de réseau WO2022006875A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/101405 WO2022006875A1 (fr) 2020-07-10 2020-07-10 Procédé et appareil permettant d'établir un service mbs, ainsi que dispositif terminal et dispositif de réseau
CN202080101099.8A CN115669207A (zh) 2020-07-10 2020-07-10 建立mbs业务的方法及装置、终端设备、网络设备

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WO2024067342A1 (fr) * 2022-09-28 2024-04-04 大唐移动通信设备有限公司 Procédé et appareil de réception de données de service, et premier terminal et dispositif de réseau

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