WO2023004586A1 - Procédé et appareil de radiomessagerie, dispositif terminal et dispositif de réseau - Google Patents

Procédé et appareil de radiomessagerie, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2023004586A1
WO2023004586A1 PCT/CN2021/108699 CN2021108699W WO2023004586A1 WO 2023004586 A1 WO2023004586 A1 WO 2023004586A1 CN 2021108699 W CN2021108699 W CN 2021108699W WO 2023004586 A1 WO2023004586 A1 WO 2023004586A1
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WIPO (PCT)
Prior art keywords
mbs
paging
terminal device
paging message
mbs service
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PCT/CN2021/108699
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English (en)
Chinese (zh)
Inventor
王淑坤
徐伟杰
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202180097420.4A priority Critical patent/CN117242832A/zh
Priority to PCT/CN2021/108699 priority patent/WO2023004586A1/fr
Publication of WO2023004586A1 publication Critical patent/WO2023004586A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of mobile communication technologies, and in particular to a paging method and device, terminal equipment, and network equipment.
  • the paging of multiple users corresponding to the same paging occasion can be multiplexed in one paging message, so multiple users corresponding to one PO will monitor the multimedia
  • the paging message of the broadcast service (Multimedia Broadcast Service, MBS) service even if some users do not participate in the MBS service, the paging message of the MBS service will wake up these users and affect these users, such as causing these users to waste electricity.
  • MBS Multimedia Broadcast Service
  • Embodiments of the present application provide a paging method and device, terminal equipment, network equipment, chips, computer-readable storage media, computer program products, and computer programs.
  • An embodiment of the present application provides a paging method, the method including:
  • the terminal device receives first signaling, where the first signaling is associated with the first paging message
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first downlink control information (Downlink Control Information, DCI) and/or receive the first
  • DCI Downlink Control Information
  • the first DCI refers to the paging DCI used to schedule the first paging message.
  • An embodiment of the present application provides a paging method, the method including:
  • the network device sends first signaling to the terminal device, where the first signaling is associated with the first paging message;
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first DCI and/or receive the first paging message
  • the first DCI is Refers to the paging DCI used to schedule the first paging message.
  • An embodiment of the present application provides a paging device, which is applied to a terminal device, and the device includes:
  • a receiving unit configured to receive first signaling, where the first signaling is associated with the first paging message
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first DCI and/or receive the first paging message
  • the first DCI is Refers to the paging DCI used to schedule the first paging message.
  • An embodiment of the present application provides a paging device, which is applied to network equipment, and the device includes:
  • a sending unit configured to send first signaling to the terminal device, where the first signaling is associated with the first paging message
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first DCI and/or receive the first paging message
  • the first DCI is Refers to the paging DCI used to schedule the first paging message.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to invoke and run the computer programs stored in the memory to execute the above paging method.
  • the network device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to invoke and run the computer programs stored in the memory to execute the above paging method.
  • the chip provided by the embodiment of the present application is used to implement the above paging method.
  • the chip includes: a processor, which is used to call and run a computer program from the memory, so that the device installed with the chip executes the above paging method.
  • 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 paging method.
  • 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 paging method.
  • the computer program provided by the embodiment of the present application when running on a computer, enables the computer to execute the above paging method.
  • the network device notifies the terminal device whether to monitor the paging DCI and/or whether to receive the paging message through the first indication information carried in the first signaling, so as to achieve the purpose of power saving of the terminal device, and at the same time reduce the power consumption of the terminal device.
  • the impact of MBS paging on terminal equipment that does not support the MBS service or is not configured with the MBS service is clarified.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application
  • FIG. 2 is a schematic diagram of a wake-up signal controlling DRX according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a paging opportunity according to an embodiment of the present application.
  • Fig. 4 is the schematic diagram of the protocol stack corresponding to the PTM mode and the PTP mode of the embodiment of the present application;
  • FIG. 5 is a schematic diagram of the transmission of the MBS service provided by the embodiment of the present application according to the PTM mode and the PTP mode;
  • FIG. 6 is a schematic flowchart of a paging method provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the relationship between the paging WUS and the PO provided by the embodiment of the present application.
  • FIG. 8 is a first structural diagram of a paging device provided by an embodiment of the present application.
  • FIG. 9 is a second schematic diagram of the structure and composition of the paging device provided by the embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • Fig. 12 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • a communication system 100 may include a terminal device 110 and a network device 120 .
  • the network device 120 may communicate with the terminal device 110 through an air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120 .
  • the embodiment of the present application is only described by using the communication system 100 as an example, but the embodiment of the present application is not limited thereto. That is to say, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (Long Term Evolution, LTE) system, LTE Time Division Duplex (Time Division Duplex, TDD), Universal Mobile Communication System (Universal Mobile Telecommunication System, UMTS), Internet of Things (Internet of Things, IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), or future communication systems, etc.
  • LTE Long Term Evolution
  • LTE Time Division Duplex Time Division Duplex
  • TDD Time Division Duplex
  • Universal Mobile Telecommunication System Universal Mobile Telecommunication System
  • UMTS Universal Mobile Communication System
  • Internet of Things Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • the network device 120 may be an access network device that communicates with the terminal device 110 .
  • the access network device can provide communication coverage for a specific geographical area, and can communicate with terminal devices 110 (such as UEs) located in the coverage area.
  • the network device 120 may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (Long Term Evolution, LTE) system, or a Next Generation Radio Access Network (NG RAN) device, Either a base station (gNB) in the NR system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 120 can be a relay station, an access point, a vehicle-mounted device, a wearable Devices, hubs, switches, bridges, routers, or network devices in the future evolution of the Public Land Mobile Network (Public Land Mobile Network, PLMN), etc.
  • Evolutional Node B, eNB or eNodeB in a Long Term Evolution (Long Term Evolution, LTE) system
  • NG RAN Next Generation Radio Access Network
  • gNB base station
  • CRAN Cloud Radio Access Network
  • the network device 120 can be a relay station, an access point, a vehicle-mounted device, a wear
  • the terminal device 110 may be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wire or wirelessly.
  • the terminal equipment 110 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, user agent, or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, IoT devices, satellite handheld terminals, Wireless Local Loop (WLL) stations, Personal Digital Assistant , PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks or terminal devices in future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device 110 can be used for device-to-device (Device to Device, D2D) communication.
  • D2D Device to Device
  • the wireless communication system 100 may also include a core network device 130 that communicates with the base station.
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, for example, Access and Mobility Management Function (Access and Mobility Management Function , AMF), and for example, authentication server function (Authentication Server Function, AUSF), and for example, user plane function (User Plane Function, UPF), and for example, session management function (Session Management Function, SMF).
  • the core network device 130 may also be a packet core evolution (Evolved Packet Core, EPC) device of the LTE network, for example, a data gateway (Session Management Function+Core Packet Gateway, SMF+PGW- C) Equipment.
  • EPC packet core evolution
  • SMF+PGW-C can realize the functions of SMF and PGW-C at the same time.
  • the above-mentioned core network equipment may be called by other names, or a new network entity may be formed by dividing functions of the core network, which is not limited in this embodiment of the present application.
  • Various functional units in the communication system 100 may also establish a connection through a next generation network (next generation, NG) interface to implement communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface to transmit user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (N1 for short); access Network equipment such as the next generation wireless access base station (gNB), can establish a user plane data connection with UPF through NG interface 3 (abbreviated as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (abbreviated as N2) connection; UPF can establish a control plane signaling connection with SMF through NG interface 4 (abbreviated as N4); UPF can exchange user plane data with the data network through NG interface 6 (abbreviated as N6); AMF can communicate with SMF through NG interface 11 (abbreviated as N11) The SMF establishes a control plane signaling connection; the SMF may establish a control plane signaling connection with the PCF through an NG interface 7 (N7 for short).
  • gNB next generation wireless access base station
  • Figure 1 exemplarily shows a base station, a core network device, and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices and each base station may include other numbers of terminals within the coverage area.
  • the device is not limited in the embodiment of this application.
  • FIG. 1 is only an illustration of a system applicable to this application, and of course, the method shown in the embodiment of this application may also be applicable to other systems.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations.
  • the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • the "indication” mentioned in the embodiments of the present application may be a direct indication, may also be an indirect indication, and may also mean that there is an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • the "correspondence” mentioned in the embodiments of the present application may mean that there is a direct correspondence or an indirect correspondence between the two, or that there is an association between the two, or that it indicates and is indicated. , configuration and configured relationship.
  • the "predefined” or “predefined rules” mentioned in the embodiments of this application can be used by pre-saving corresponding codes, tables or other It is implemented by indicating related information, and this application does not limit the specific implementation.
  • pre-defined may refer to defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, for example, it may include the LTE protocol, the NR protocol, and related protocols applied to future communication systems, and this application does not limit this .
  • 5G 3rd Generation Partnership Project
  • eMBB Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine-Type Communications
  • eMBB still aims at users obtaining multimedia content, services and data, and its demand is growing rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, and rural areas, the capabilities and requirements vary greatly, so it cannot be generalized, and detailed analysis must be combined with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, electric power automation, telemedicine operations (surgery), traffic safety guarantee, etc.
  • the typical characteristics of mMTC include: high connection density, small data volume, delay-insensitive services, low cost and long service life of modules, etc.
  • NR In the early deployment of NR, it is difficult to obtain complete NR coverage, so the typical network coverage is wide-area LTE coverage and NR island coverage mode. Moreover, a large number of LTE deployments are below 6GHz, and there is very little spectrum below 6GHz that can be used for 5G. Therefore, NR must study the spectrum application above 6GHz, while the coverage of high frequency bands is limited and the signal fades quickly. At the same time, in order to protect mobile operators' early investment in LTE, a tight interworking working mode between LTE and NR is proposed.
  • RRC Radio Resource Control
  • RRC_IDLE state (referred to as idle (idle) state): Mobility is cell selection and reselection based on terminal equipment, 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 on the base station side, and there is no RRC connection.
  • CN Core Network
  • RRC_CONNECTED state (connected state for short): there is an RRC connection, and there is a terminal device context at the base station side and the terminal device side.
  • the network side knows the location of the terminal equipment at the specific cell level. Mobility is 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 (inactive) state): Mobility is cell selection and reselection based on terminal equipment, there is a connection between CN-NR, the context of the terminal equipment exists on a certain base station, and 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 based on the RAN-based paging area level.
  • MBMS is a technology that transmits data from one data source to multiple terminal devices by sharing network resources. This technology can effectively use network resources while providing multimedia services, and realize broadcasting of multimedia services at a higher rate (such as 256kbps) and multicast.
  • 3GPP clearly proposed to enhance the ability to support downlink high-speed MBMS services, and determined the design requirements for the physical layer and air interface.
  • eMBMS evolved MBMS
  • eMBMS evolved MBMS
  • MBSFN Single Frequency Network
  • MBSFN uses a unified frequency to transmit service data in all cells at the same time, but To ensure the synchronization between cells. This method can greatly improve the overall signal-to-noise ratio distribution of the cell, and the spectrum efficiency will also be greatly improved accordingly.
  • eMBMS implements broadcast and multicast of services based on the IP multicast protocol.
  • MBMS In LTE or LTE-Advanced (LTE-Advanced, LTE-A), MBMS only has a broadcast bearer mode, but no multicast bearer mode. In addition, the reception of MBMS service is applicable to terminal equipments in idle state or connected state.
  • 3GPP R13 introduced the concept of Single Cell Point To Multiploint (SC-PTM), and SC-PTM is based on the MBMS network architecture.
  • MBMS introduces new logical channels, including Single Cell-Multicast Control Channel (Single Cell-Multicast Control Channel, SC-MCCH) and Single Cell-Multicast Transport Channel (Single Cell-Multicast Transport Channel, SC-MTCH).
  • SC-MCCH and SC-MTCH are mapped to the downlink shared channel (Downlink-Shared Channel, DL-SCH), and further, DL-SCH is mapped to the 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 (HARQ) operation.
  • HARQ Hybrid Automatic Repeat reQuest
  • SIB20 System Information Block
  • SIB20 is used to transmit SC-MCCH configuration information, and one cell has only one SC-MCCH.
  • the SC-MCCH configuration information includes: SC-MCCH modification period, SC-MCCH repetition period, and information such as radio frames and subframes for scheduling SC-MCCH.
  • the SC-MCCH is scheduled through a Physical Downlink Control Channel (PDCCH).
  • a new radio network temporary identity Radio Network Tempory Identity, RNTI
  • 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 used to indicate the change notification of the SC-MCCH (such as notifying the PDCCH).
  • 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.
  • SC-PTM configuration information is based on SC-MCCH configured by SIB20, and then SC-MCCH configures SC-MTCH, and SC-MTCH is used to transmit service data.
  • the SC-MCCH only transmits one message (that is, SCPTMConfiguration), which is used to configure configuration information of the SC-PTM.
  • the configuration information of SC-PTM includes: temporary mobile group identity (Temporary Mobile Group Identity, TMGI), session identification (seession id), group RNTI (Group RNTI, G-RNTI), discontinuous reception (Discontinuous Reception, DRX) configuration information And the SC-PTM service information of the neighboring cell, etc.
  • TMGI Temporal Mobile Group Identity
  • TMGI Temporal Mobile Group Identity
  • session identification seession id
  • group RNTI Group RNTI, G-RNTI
  • discontinuous reception Discontinuous Reception, DRX
  • SC-PTM service information of the neighboring cell etc.
  • SC-PTM in R13 does not support Robust Header Compression (Robust Header Compression, ROHC) function.
  • the downlink discontinuous reception of SC-PTM is controlled by the following parameters: onDurationTimerSCPTM, drx-InactivityTimerSCPTM, SC-MTCH-SchedulingCycle, and SC-MTCH-SchedulingOffset.
  • the downlink 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, that is, "SIB15+MBMSInterestIndication" mode.
  • SIB15 MBMS business continuity
  • the service continuity of terminal equipment 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.
  • the first SIB includes the configuration information of the first MCCH.
  • One SIB is used to configure the configuration information of the NR MBMS control channel.
  • the NR MBMS control channel may also be called NR MCCH (that is, the first MCCH).
  • the first MCCH is used to carry the first signaling.
  • the embodiment of the present 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 configuration information
  • the first MTCH is a traffic channel (also referred to as 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 NR MBMS.
  • the traffic channel of NR MBMS can also be called NR MTCH (that is, the first MTCH).
  • the first signaling is used to configure an NR MBMS traffic channel, service information corresponding to the traffic channel, and scheduling information corresponding to the traffic 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.
  • both the transmission of the first MCCH and the first MTCH are scheduled based on the PDCCH.
  • the RNTI used by the PDCCH for scheduling 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.
  • the first SIB can also be referred to as the SIB for short
  • the first MCCH can also be referred to as the MCCH for short
  • the first MTCH can also be referred to as the MTCH for short
  • the PDCCH ie, the MCCH PDCCH
  • the PDSCH ie MCCH PDSCH
  • the PDSCH used to transmit the MCCH is scheduled by the DCI carried by the MCCH PDCCH.
  • M PDCCHs for scheduling MTCH (ie MTCH 1 PDCCH, MTCH 2 PDCCH, ..., MTCH M PDCCH) through MCCH, wherein, the DCI scheduling carried by MTCH n PDCCH is used to transmit the PDSCH of 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 channel, and PDSCH belongs to physical channel.
  • NR energy saving enhancement introduces Wake Up Signal (WUS), which can also be referred to as energy saving signal or wake up signal for short.
  • WUS Wake Up Signal
  • the energy-saving wake-up signal is used in combination with the discontinuous reception (DRX) mechanism.
  • DRX discontinuous reception
  • the energy-saving wake-up signal instructs the terminal device to monitor the PDCCH, that is, the energy-saving wake-up signal "wakes up” the terminal device to monitor the PDCCH during the DRX ON duration; otherwise, when the terminal device has no data transmission in a DRX cycle, the energy-saving wake-up signal indicates The terminal device does not monitor the PDCCH, that is, the energy-saving wake-up signal does not "wake up” the terminal device, and the terminal device does not need to monitor the PDCCH during the DRX ON Duration.
  • the terminal device when the terminal device has no data transmission, the terminal device can omit the PDCCH monitoring during the DRX ON duration, thereby realizing energy saving.
  • the time before the DRX ON duration of the terminal device is called the DRX inactive time, and the time when the terminal device is in the DRX ON Duration is called the DRX active time.
  • paging is also periodically sent to the terminal device.
  • the position where the terminal device monitors the paging DCI is the paging occasion (Paging Occasion, PO).
  • PO paging Occasion
  • the POs of different terminal devices are discretely distributed within the paging cycle, as shown in FIG. 3 .
  • the multicast-type MBS service refers to the MBS service transmitted in a multicast manner.
  • the broadcast-type MBS service refers to the MBS service transmitted by broadcasting.
  • the MBS service is sent to all terminal devices in a certain group.
  • the terminal equipment receives the multicast type MBS service in the RRC connection state, and the terminal equipment can receive the multicast type MBS service data through the PTM mode or the PTP mode.
  • the MBS service data in the PTM mode scrambles the corresponding scheduling information through the G-RNTI configured on the network side
  • the MBS service data in the PTP mode scrambles the corresponding scheduling information through the C-RNTI.
  • the base station can deliver the MBS service to all terminal devices in a group through the air interface.
  • the base station may deliver the MBS service to all terminal devices in a group through PTP and/or PTM.
  • a group includes Terminal 1, Terminal 2, and Terminal 3.
  • the base station can deliver the MBS service to Terminal 1 through PTP, deliver the MBS service to Terminal 2 through PTP, and deliver the MBS
  • the service is delivered to terminal equipment 3; or, the base station can deliver the MBS service to terminal equipment 1 through PTP, and the MBS service can be delivered to terminal equipment 2 and terminal equipment 3 through PTM; or, the base station can deliver the MBS service to terminal equipment 3 through PTM.
  • the MBS service is delivered to terminal device 1, terminal device 2 and terminal device 3.
  • a shared GTP tunnel (Shared GTP tunnel) is used between the core network and the base station to transmit MBS services, that is, both the PTM MBS service and the PTP MBS service share the GTP tunnel.
  • the base station delivers MBS service data to UE1 and UE2 in a PTM manner, and delivers MBS service data to UE3 in a PTP manner.
  • the terminal equipment can temporarily leave the RRC connection state and return to the RRC idle state or RRC inactive state, thereby realizing the energy saving of the terminal equipment.
  • the terminal device is awakened by sending a group notification to enter the RRC connection state to receive the MBS service in the multicast mode.
  • the group notification adopts a paging message, the DCI of the paging message (that is, the paging DCI) is scrambled by P-RNTI, and the network side sends the paging DCI and paging DCI for activating the MBS service on each PO of the cell.
  • the paging message identifies the activated target MBS service by carrying the MBS session identifier.
  • the paging of multiple users corresponding to the same PO can be multiplexed in one paging message, so multiple users corresponding to a PO will listen to the paging message of the MBS service, even if some users do not participate in the MBS service , the paging message of the MBS service will also wake up these users, which will affect these users, such as causing these users to waste electricity.
  • NR supports beam sweeping (beam sweeping) transmission, so a paging message will be transmitted in multiple copies in a cell, and the specific number depends on the number of synchronization signal blocks (SS/PBCH Block, SSB) actually transmitted by the cell. In this way, the paging message of the MBS service will have a high load, wasting radio resources.
  • beam sweeping beam sweeping
  • Fig. 6 is a schematic flow chart of the paging method provided by the embodiment of the present application. As shown in Fig. 6, the paging method includes the following steps:
  • Step 601 The network device sends a first signaling to the terminal device, and the terminal device receives the first signaling, where the first signaling is associated with a first paging message; wherein the first signaling carries first indication information, The first indication information is used by the terminal device to determine whether to monitor a first DCI and/or receive the first paging message, where the first DCI refers to a paging system used to schedule the first paging message DCI.
  • the network device is a base station.
  • the first signaling is the first DCI or the first WUS.
  • the first DCI may also be called the paging DCI
  • the first WUS may also be called the paging WUS.
  • the paging DCI is used to schedule paging messages, and the paging DCI is scrambled through the P-RNTI.
  • the paging WUS is associated with one or more paging occasions, the paging WUS is located before its associated paging occasion, and the paging WUS is used to indicate whether to monitor the paging DCI in its associated PO.
  • a paging WUS is associated with a paging opportunity immediately after it, and there is a paging WUS before each PO, and the paging WUS is used to indicate whether to monitor the paging DCI or Receive paging messages, so as to achieve the purpose of power saving of terminal equipment.
  • the first signaling is a first DCI, and the time domain position of the first DCI is located before the first paging message; the first indication information carried in the first DCI is used by the terminal device It is determined whether to receive the first paging message.
  • the first indication information includes first information, and the first information is used to indicate a paging type of the first paging message.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging.
  • the first information is used to indicate MBS paging only, which means that the paging type of the first paging message is MBS paging.
  • the first paging message When the paging type of the first paging message is MBS paging, the first paging message carries an MBS session identifier, and the MBS session identifier is used to determine the MBS service to be paged.
  • the first information is used to indicate that the paging type of the first paging message is unicast paging.
  • the first information is used to indicate Unicast paging only, which means that the paging type of the first paging message is unicast paging.
  • the first paging message When the paging type of the first paging message is unicast paging, the first paging message carries a terminal identifier, and the terminal identifier is used to determine a terminal device to be paged.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging and unicast paging.
  • the first information is used to indicate MBS paging and unicast paging, which means that the paging type of the first paging message is MBS paging and unicast paging.
  • the first paging message When the paging type of the first paging message is MBS paging and unicast paging, the first paging message carries an MBS session identifier and a terminal identifier, and the MBS session identifier is used to determine the MBS service, the terminal identifier is used to determine the terminal equipment to be paged.
  • the terminal device determines The first paging message is not received.
  • the first indication information includes second information, and the second information is used to indicate the MBS service that triggers the first paging message.
  • the second information is a first bitmap, and each bit in the first bitmap corresponds to an MBS session identifier or MBS index of an MBS service; the value of the bit It is used to indicate whether the MBS service corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer; the N MBS services are ongoing or Upcoming or supported MBS business.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through radio resource control RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the terminal device determines to receive the the first paging message; if the terminal device determines based on the first bitmap that the first MBS service joined by the terminal device is not activated and/or the first paging message is not triggered, the terminal The device determines not to receive the first paging message.
  • the first indication information includes third information, and the third information is used to indicate the MBS service group that triggers the first paging message.
  • the network device sends first configuration information to the terminal device, and the terminal device receives the first configuration information, where the first configuration information is used to determine the first configuration information that the terminal device joins.
  • the first configuration information is carried in Non-Access Stratum (NAS) signaling or RRC signaling.
  • NAS Non-Access Stratum
  • the third information is a list of MBS service groups.
  • the terminal device determines to receive the first paging message; if the If the first MBS service joined by the terminal device does not belong to the MBS service in any MBS service group in the MBS service group list, the terminal device determines not to receive the first paging message.
  • the third information is a second bit map, and each bit in the second bit map corresponds to an MBS group identifier of an MBS service group; the value of the bit is used to indicate that the bit corresponds to Whether the MBS service group is activated and/or whether the first paging message is triggered.
  • the M bits in the second bitmap correspond to the MBS group identifiers of M MBS service groups, and M is a positive integer; the M bits in the second bitmap correspond to the The corresponding relationship among the MBS group identifiers of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service that the terminal device belongs to is activated and/or triggers the first paging message, then the The terminal device determines to receive the first paging message; if the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service that the terminal device belongs to is not activated and/or does not trigger the first paging message, the terminal device determines not to receive the first paging message.
  • the first signaling is a first WUS, and the first WUS is located before a first paging occasion, and the first paging occasion is used to transmit the first DCI; the first WUS carried in the first WUS
  • the first indication information is used by the terminal device to determine whether to monitor the first DCI at the first paging occasion.
  • the first indication information includes first information, and the first information is used to indicate a paging type of the first paging message.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging.
  • the first information is used to indicate MBS paging only, which means that the paging type of the first paging message is MBS paging.
  • the first paging message When the paging type of the first paging message is MBS paging, the first paging message carries an MBS session identifier, and the MBS session identifier is used to determine the MBS service to be paged.
  • the first information is used to indicate that the paging type of the first paging message is unicast paging.
  • the first information is used to indicate Unicast paging only, which means that the paging type of the first paging message is unicast paging.
  • the first paging message When the paging type of the first paging message is unicast paging, the first paging message carries a terminal identifier, and the terminal identifier is used to determine a terminal device to be paged.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging and unicast paging.
  • the first information is used to indicate MBS paging and unicast paging, which means that the paging type of the first paging message is MBS paging and unicast paging.
  • the first paging message When the paging type of the first paging message is MBS paging and unicast paging, the first paging message carries an MBS session identifier and a terminal identifier, and the MBS session identifier is used to determine the MBS service, the terminal identifier is used to determine the terminal equipment to be paged.
  • the terminal device determines The first DCI is not monitored at a first paging occasion whose time domain position is after the first WUS.
  • the first indication information includes second information, and the second information is used to indicate the MBS service that triggers the first paging message.
  • the second information is a first bitmap, and each bit in the first bitmap corresponds to an MBS session identifier or MBS index of an MBS service; the value of the bit It is used to indicate whether the MBS service corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer; the N MBS services are ongoing or Upcoming or supported MBS business.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through radio resource control RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the terminal device determines that the Listening to the first DCI at a paging opportunity; if the terminal device determines based on the first bitmap that the first MBS service joined by the terminal device is not activated and/or the first paging message is not triggered, Then the terminal device determines not to monitor the first DCI at a first paging occasion, and the time domain position of the first paging occasion is after the first WUS.
  • the first indication information includes third information, and the third information is used to indicate the MBS service group that triggers the first paging message.
  • the network device sends first configuration information to the terminal device, and the terminal device receives the first configuration information, where the first configuration information is used to determine the first configuration information that the terminal device joins.
  • the first configuration information is carried in Non-Access Stratum (NAS) signaling or RRC signaling.
  • NAS Non-Access Stratum
  • the third information is a list of MBS service groups.
  • the terminal device determines to monitor the first MBS service at the first paging occasion.
  • DCI if the first MBS service joined by the terminal device does not belong to the MBS service in any MBS service group in the MBS service group list, the terminal device determines not to monitor the first DCI, the time domain position of the first paging occasion is after the first WUS.
  • the third information is a second bit map, and each bit in the second bit map corresponds to an MBS group identifier of an MBS service group; the value of the bit is used to indicate that the bit corresponds to Whether the MBS service group is activated and/or whether the first paging message is triggered.
  • the M bits in the second bitmap correspond to the MBS group identifiers of M MBS service groups, and M is a positive integer; the M bits in the second bitmap correspond to the The corresponding relationship among the MBS group identifiers of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service that the terminal device belongs to is activated and/or triggers the first paging message, then the The terminal device determines to monitor the first DCI at the first paging occasion; if the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service the terminal device belongs to is not activated and/or If the first paging message is not triggered, the terminal device determines not to monitor the first DCI at a first paging occasion, where the time domain position of the first paging occasion is after the first WUS.
  • the network device indicates the paging type of the paging message to the terminal device through the paging DCI.
  • the paging DCI carries first information, and the first information is used to indicate that the paging type of the paging message is one of the following: MBS paging only, Unicast paging only, MBS paging and unicast paging.
  • the paging message only carries the MBS session identifier. If the first information indicates that the paging type of the paging message is Unicast paging only, then the paging message only carries the terminal equipment (ie UE ID). As an example, the UE ID can be 5G S-TMSI, I-RNTI, etc. If the first information indicates that the paging type of the paging message is MBS paging and unicast paging, then the paging message carries the MBS session identifier and the terminal equipment (ie UE ID).
  • the terminal device does not receive the paging message if the first information in the paging DCI indicates that the paging type of the paging message is MBS only paging, the terminal device does not receive the paging message if the first information in the paging DCI indicates that the paging type of the paging message is MBS only paging.
  • the paging type of the paging message can be indicated by the value of the first information, for example, the first information is 2-bit information, and the value of the 2-bit information can be 00, 01, 10, 11. Some or all of the values indicate the paging type of the paging message.
  • the network device indicates to the terminal device the MBS service that triggers the paging message through the paging DCI.
  • the paging DCI carries second information, and the second information is a first bitmap (bitmap), and each bit in the first bitmap corresponds to an MBS session identifier or an MBS index of an MBS service;
  • the value of the bit is used to indicate whether the MBS service corresponding to the bit is activated and/or whether a paging message is triggered.
  • the value of a bit is 1 (or 0) to indicate that the MBS service corresponding to the bit is activated and/or a paging message is triggered, and the value of a bit is 0 (or 1) is used to indicate that the The MBS service corresponding to the bit is not activated and/or the paging message is not triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer; the N MBS services are ongoing or Upcoming or supported MBS business.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through radio resource control RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the terminal device determines based on the first bitmap that the first MBS service joined by the terminal device is activated and/or a paging message is triggered, then the terminal device determines to receive the paging message; if The terminal device determines, based on the first bitmap, that the first MBS service joined by the terminal device is not activated and/or does not trigger a paging message, then the terminal device determines not to receive a paging message.
  • the terminal device determines to receive the paging message, the terminal device initiates an RRC connection establishment process or an RRC connection recovery process, and receives the service triggered by the paging message after the RRC connection is established or the RRC connection is restored.
  • the first bitmap includes 4 bits, and the 4 bits are respectively associated with MBS session identifier 1 (that is, the MBS session identifier of MBS service 1) and MBS session identifier 2 (that is, the MBS session identifier of MBS service 2) from low to high. ID), MBS session ID 3 (that is, the MBS session ID of MBS service 3), and MBS session ID 4 (that is, the MBS session ID of MBS service 4).
  • the value of the first bitmap is: 1001.
  • the MBS service that the terminal device joins is MBS service 1.
  • MBS service 1 corresponds to the lowest bit in the first bitmap. According to the value of the lowest bit is 1, it can be determined MBS service 1 is activated and/or a paging message is triggered, and the terminal device determines to receive the paging message.
  • the network device indicates to the terminal device the MBS service group that triggers the paging message through the paging DCI.
  • the paging DCI carries third information, and the third information is an MBS service group list or a second bitmap.
  • the MBS service group list is used to indicate one or more MBS service groups, and the MBS services belonging to the MBS service groups in the MBS service group list are considered to be activated or trigger the MBS service of the paging message, and do not belong to the MBS service group
  • the MBS services of the MBS service groups in the list are regarded as the MBS services that are not activated or do not trigger a paging message.
  • the MBS service group list includes one or more MBS session identifiers (or one or more MBS service indexes), and each one or more MBS session identifiers in the one or more MBS session identifiers corresponds to one MBS service, so , the MBS service group list may indicate one or more MBS service groups.
  • each bit in the second bitmap corresponds to an MBS group identifier of an MBS service group; the value of the bit is used to indicate whether the MBS service group corresponding to the bit is activated and/or whether the MBS service group is triggered paging message.
  • the M bits in the second bitmap correspond to the MBS group identifiers of M MBS service groups, and M is a positive integer; the M bits in the second bitmap correspond to the The corresponding relationship among the MBS group identifiers of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the terminal device determines to receive the paging message; if the terminal device joins If the first MBS service does not belong to any MBS service in any MBS service group in the MBS service group list, then the terminal device determines not to receive the paging message.
  • the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service the terminal device belongs to is activated and/or triggers a paging message, then the terminal device determines to receive Paging message; if the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service that the terminal device belongs to is not activated and/or does not trigger a paging message, then the terminal device determines Do not receive paging messages.
  • the network device can configure the MBS service group to which the MBS service it joins belongs to for the terminal device through NAS signaling or RRC dedicated signaling.
  • the terminal device determines to receive the paging message, the terminal device initiates an RRC connection establishment process or an RRC connection recovery process, and receives the service triggered by the paging message after the RRC connection is established or the RRC connection is restored.
  • the network device indicates the paging type of the paging message to the terminal device through the paging WUS.
  • the terminal device determines whether to monitor the paging DCI through the paging WUS.
  • not monitoring the paging DCI means not receiving a paging message
  • monitoring the DCI means that a paging message may be received.
  • a paging WUS is associated with one or more POs, and the time domain position of the paging WUS is located before the POs associated with it.
  • a paging WUS has an association relationship with an immediately following PO.
  • the paging WUS carries first information, and the first information is used to indicate that the paging type of the paging message is one of the following: MBS paging only, Unicast paging only, MBS paging and unicast paging.
  • the paging message only carries the MBS session identifier. If the first information indicates that the paging type of the paging message is Unicast paging only, then the paging message only carries the terminal equipment (ie UE ID). As an example, the UE ID can be 5G S-TMSI, I-RNTI, etc. If the first information indicates that the paging type of the paging message is MBS paging and unicast paging, then the paging message carries the MBS session identifier and the terminal equipment (ie UE ID).
  • the terminal device for a terminal device that is not configured with the MBS service or does not support the MBS service, if the first information in the paging WUS indicates that the paging type of the paging message is MBS only paging, then the terminal device is not in the paging WUS associated The PO monitors the paging DCI.
  • the paging type of the paging message can be indicated by the value of the first information, for example, the first information is 2-bit information, and the value of the 2-bit information can be 00, 01, 10, 11. Some or all of the values indicate the paging type of the paging message.
  • the network device indicates to the terminal device the MBS service that triggers the paging message through the paging WUS.
  • a paging WUS is associated with one or more POs, and the time domain position of the paging WUS is located before the POs associated with it.
  • a paging WUS has an association relationship with an immediately following PO.
  • the paging WUS carries second information, and the second information is a first bitmap (bitmap), and each bit in the first bitmap corresponds to an MBS session identifier or an MBS index of an MBS service;
  • the value of the bit is used to indicate whether the MBS service corresponding to the bit is activated and/or whether a paging message is triggered.
  • the value of a bit is 1 (or 0) to indicate that the MBS service corresponding to the bit is activated and/or a paging message is triggered, and the value of a bit is 0 (or 1) is used to indicate that the The MBS service corresponding to the bit is not activated and/or the paging message is not triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer; the N MBS services are ongoing or Upcoming or supported MBS business.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through radio resource control RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the terminal device determines that when paging the WUS associated Monitor the paging DCI on the PO; if the terminal device determines based on the first bitmap that the first MBS service that the terminal device joins is not activated and/or does not trigger a paging message, then the terminal device determines that it is not in the paging Monitor the paging DCI on the PO associated with the WUS.
  • the terminal device determines to monitor the paging DCI and receive the paging message, the terminal device initiates an RRC connection establishment process or an RRC connection recovery process, and after the RRC connection is established or the RRC connection is restored, receiving the paging message triggers Business.
  • the first bitmap includes 4 bits, and the 4 bits are respectively associated with MBS session identifier 1 (that is, the MBS session identifier of MBS service 1) and MBS session identifier 2 (that is, the MBS session identifier of MBS service 2) from low to high. ID), MBS session ID 3 (that is, the MBS session ID of MBS service 3), and MBS session ID 4 (that is, the MBS session ID of MBS service 4).
  • the value of the first bitmap is: 1001.
  • the MBS service that the terminal device joins is MBS service 1.
  • MBS service 1 corresponds to the lowest bit in the first bitmap. According to the value of the lowest bit is 1, it can be determined MBS service 1 is activated and/or a paging message is triggered, and the terminal device determines to receive the paging message.
  • the network device indicates to the terminal device the MBS service group that triggers the paging message through the paging WUS.
  • a paging WUS is associated with one or more POs, and the time domain position of the paging WUS is located before the POs associated with it.
  • a paging WUS has an association relationship with an immediately following PO.
  • the paging WUS carries third information, and the third information is an MBS service group list or a second bitmap.
  • the MBS service group list is used to indicate one or more MBS service groups, and the MBS services belonging to the MBS service groups in the MBS service group list are considered to be activated or trigger the MBS service of the paging message, and do not belong to the MBS service group
  • the MBS services of the MBS service groups in the list are regarded as the MBS services that are not activated or do not trigger a paging message.
  • the MBS service group list includes one or more MBS session identifiers (or one or more MBS service indexes), and each one or more MBS session identifiers in the one or more MBS session identifiers corresponds to one MBS service, so , the MBS service group list may indicate one or more MBS service groups.
  • each bit in the second bitmap corresponds to an MBS group identifier of an MBS service group; the value of the bit is used to indicate whether the MBS service group corresponding to the bit is activated and/or whether the MBS service group is triggered paging message.
  • the M bits in the second bitmap correspond to the MBS group identifiers of M MBS service groups, and M is a positive integer; the M bits in the second bitmap correspond to the The corresponding relationship among the MBS group identifiers of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the terminal device determines to monitor the paging on the PO associated with the paging WUS DCI: if the first MBS service joined by the terminal device does not belong to the MBS service in any MBS service group in the MBS service group list, the terminal device determines not to monitor paging on the PO associated with the paging WUS DCI.
  • the terminal device determines that the Monitor the paging DCI on the PO associated with the paging WUS; if the terminal device determines based on the second bitmap that the MBS service group to which the first MBS service the terminal device belongs to is not activated and/or paging is not triggered message, the terminal device determines not to monitor the paging DCI on the PO associated with the paging WUS.
  • the network device can configure the MBS service group to which the MBS service it joins belongs to for the terminal device through NAS signaling or RRC dedicated signaling.
  • the terminal device determines to receive and monitor the paging DCI and receive the paging message, the terminal device initiates an RRC connection establishment process or an RRC connection recovery process, and receives the paging message after the RRC connection is established or the RRC connection is restored. triggered business.
  • the network device notifies the terminal device whether to listen to the paging DCI or whether to receive the paging message through the paging DCI or the paging WUS, so as to achieve the purpose of power saving of the terminal device, and also reduce the impact of paging. Impact on terminal devices that do not support the MBS service or are not configured with the MBS service.
  • sequence numbers of the above-mentioned processes do not mean the order of execution, and the order of execution of the processes should be determined by their functions and internal logic, and should not be used in this application.
  • the implementation of the examples constitutes no limitation.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is sent from the station The first direction to the user equipment in the cell, “uplink” is used to indicate that the signal or data transmission direction is the second direction sent from the user equipment in the cell to the station, and “side line” is used to indicate that the signal or data transmission direction is A third direction sent from UE1 to UE2.
  • “downlink signal” indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is only an association relationship describing associated objects, indicating that there may be three relationships. Specifically, A and/or B may mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this article generally indicates that the contextual objects are an "or” relationship.
  • Fig. 8 is a schematic diagram of the first structural composition of the paging device provided by the embodiment of the present application, which is applied to terminal equipment. As shown in Fig. 8, the paging device includes:
  • a receiving unit 801 configured to receive first signaling, where the first signaling is associated with a first paging message
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first DCI and/or receive the first paging message
  • the first DCI is Refers to the paging DCI used to schedule the first paging message.
  • the first signaling is a first DCI, and the time domain position of the first DCI is located before the first paging message;
  • the first indication information carried in the first DCI is used by the terminal device to determine whether to receive the first paging message.
  • the first signaling is a first WUS, and the first WUS is located before a first paging occasion, and the first paging occasion is used to transmit the first DCI;
  • the first indication information carried in the first WUS is used by the terminal device to determine whether to monitor the first DCI at the first paging occasion.
  • the first indication information includes first information, and the first information is used to indicate a paging type of the first paging message.
  • the first information is used to indicate that the paging type of the first paging message is Multimedia Broadcast Service (MBS) paging.
  • MBS Multimedia Broadcast Service
  • the first paging message when the paging type of the first paging message is MBS paging, the first paging message carries an MBS session identifier, and the MBS session identifier is used to determine the MBS business.
  • the first information is used to indicate that the paging type of the first paging message is unicast paging.
  • the first paging message when the paging type of the first paging message is unicast paging, the first paging message carries a terminal identifier, and the terminal identifier is used to determine the Terminal Equipment.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging and unicast paging.
  • the first paging message when the paging type of the first paging message is MBS paging and unicast paging, the first paging message carries an MBS session identifier and a terminal identifier, and the MBS The session identifier is used to determine the MBS service to be paged, and the terminal identifier is used to determine the terminal device to be paged.
  • the device further includes: a determining unit 802;
  • the determining unit 802 determines not to receive the first paging message; or,
  • the determining unit 802 determines not to monitor the first DCI at a first paging occasion, and the time domain position of the first paging occasion is after the first WUS.
  • the first indication information includes second information, and the second information is used to indicate the MBS service that triggers the first paging message.
  • the second information is a first bitmap, and each bit in the first bitmap corresponds to an MBS session identifier or MBS index of an MBS service; the value of the bit It is used to indicate whether the MBS service corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer; the N MBS services are ongoing or Upcoming or supported MBS business.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through radio resource control RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the device further includes: a determining unit 802;
  • the determining unit 802 is configured to determine, based on the first bitmap, that the first MBS service joined by the terminal device is activated and/or triggers the A first paging message, determining to receive the first paging message; if it is determined based on the first bitmap that the first MBS service joined by the terminal device is not activated and/or the first paging message is not triggered message, then determine not to receive the first paging message; or,
  • the determining unit 802 is configured to determine, based on the first bitmap, that the first MBS service joined by the terminal device is activated and/or triggers the For the first paging message, determine to monitor the first DCI at the first paging occasion; if it is determined based on the first bitmap that the first MBS service joined by the terminal device is not activated and/or the For the first paging message, it is determined not to monitor the first DCI at a first paging occasion, where the time domain position of the first paging occasion is after the first WUS.
  • the first indication information includes third information, and the third information is used to indicate the MBS service group that triggers the first paging message.
  • the third information is an MBS service group list.
  • the device further includes: a determining unit 802;
  • the determining unit 802 determines receiving the first paging message; if the first MBS service joined by the terminal device does not belong to the MBS service in any MBS service group in the MBS service group list, the determining unit 802 determines not to receive the the first paging message; or,
  • the determining unit 802 determines Monitor the first DCI at the first paging occasion; if the first MBS service joined by the terminal device does not belong to the MBS service in any MBS service group in the MBS service group list, the determining unit 802 Determining not to monitor the first DCI at a first paging occasion, where a time domain position of the first paging occasion is behind the first WUS.
  • the third information is a second bitmap, and each bit in the second bitmap corresponds to an MBS group identifier of an MBS service group; the value of the bit is used for Indicates whether the MBS service group corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the M bits in the second bitmap correspond to MBS group identifiers of M MBS service groups, and M is a positive integer;
  • the correspondence between the M bits in the second bitmap and the MBS group identities of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the device further includes: a determining unit 802;
  • the determining unit 802 is configured to determine, based on the second bitmap, that the MBS service group to which the first MBS service joined by the terminal device belongs is activated and/or or the first paging message is triggered, determining to receive the first paging message; if it is determined based on the second bitmap that the MBS service group to which the first MBS service that the terminal device belongs to is not activated and /or the first paging message is not triggered, then determine not to receive the first paging message; or,
  • the determining unit 802 is configured to determine, based on the second bitmap, that the MBS service group to which the first MBS service joined by the terminal device belongs is activated and/or or the first paging message is triggered, then determine to monitor the first DCI at the first paging occasion; if the MBS service group to which the first MBS service joined by the terminal device belongs is determined based on the second bitmap If the first paging message is not activated and/or the first paging message is not triggered, it is determined not to monitor the first DCI at a first paging occasion, and the time domain position of the first paging occasion is located after the first WUS.
  • the receiving unit 801 is further configured to receive first configuration information, where the first configuration information is used to determine the MBS service group to which the first MBS service joined by the terminal device belongs.
  • the first configuration information is carried in non-access stratum NAS signaling or RRC signaling.
  • FIG. 9 is a second schematic diagram of the structure and composition of the paging device provided by the embodiment of the present application, which is applied to network equipment. As shown in FIG. 9, the paging device includes:
  • a sending unit 901 configured to send a first signaling to a terminal device, where the first signaling is associated with a first paging message;
  • the first signaling carries first indication information
  • the first indication information is used for the terminal device to determine whether to monitor the first DCI and/or receive the first paging message
  • the first DCI is Refers to the paging DCI used to schedule the first paging message.
  • the first signaling is a first DCI, and the time domain position of the first DCI is located before the first paging message;
  • the first indication information carried in the first DCI is used by the terminal device to determine whether to receive the first paging message.
  • the first signaling is a first WUS, and the first WUS is located before a first paging occasion, and the first paging occasion is used to transmit the first DCI;
  • the first indication information carried in the first WUS is used by the terminal device to determine whether to monitor the first DCI at the first paging occasion.
  • the first indication information includes first information, and the first information is used to indicate a paging type of the first paging message.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging.
  • the first paging message when the paging type of the first paging message is MBS paging, the first paging message carries an MBS session identifier, and the MBS session identifier is used to determine the MBS business.
  • the first information is used to indicate that the paging type of the first paging message is unicast paging.
  • the first paging message when the paging type of the first paging message is unicast paging, the first paging message carries a terminal identifier, and the terminal identifier is used to determine the Terminal Equipment.
  • the first information is used to indicate that the paging type of the first paging message is MBS paging and unicast paging.
  • the first paging message when the paging type of the first paging message is MBS paging and unicast paging, the first paging message carries an MBS session identifier and a terminal identifier, and the MBS The session identifier is used to determine the MBS service to be paged, and the terminal identifier is used to determine the terminal device to be paged.
  • the first indication information includes second information, and the second information is used to indicate the MBS service that triggers the first paging message.
  • the second information is a first bitmap, and each bit in the first bitmap corresponds to an MBS session identifier or MBS index of an MBS service; the value of the bit It is used to indicate whether the MBS service corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the N bits in the first bitmap correspond to MBS session identifiers or MBS indexes of N MBS services, and N is a positive integer;
  • the N MBS services are ongoing or upcoming or supported MBS services of the cell.
  • the MBS session identifiers or MBS indexes of the N MBS services are configured through RRC signaling or system broadcast messages.
  • the corresponding relationship between the N bits in the first bitmap and the MBS session identifiers or MBS indexes of the N MBS services is stipulated in the protocol or configured by the network device.
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in ascending order from low to high;
  • the N bits in the first bitmap correspond to the MBS session identifiers or MBS indexes of the N MBS services in descending order from low to high.
  • the first indication information includes third information, and the third information is used to indicate the MBS service group that triggers the first paging message.
  • the third information is an MBS service group list.
  • the third information is a second bitmap, and each bit in the second bitmap corresponds to an MBS group identifier of an MBS service group; the value of the bit is used for Indicates whether the MBS service group corresponding to the bit is activated and/or whether the first paging message is triggered.
  • the M bits in the second bitmap correspond to MBS group identifiers of M MBS service groups, and M is a positive integer;
  • the correspondence between the M bits in the second bitmap and the MBS group identities of the M MBS service groups is stipulated in the protocol or configured by the network device.
  • the M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in ascending order from low to high; or, The M bits in the second bitmap correspond to the MBS group identifiers of the M MBS service groups in descending order from low to high.
  • the sending unit 901 is further configured to send first configuration information to the terminal device, where the first configuration information is used to determine the MBS to which the first MBS service joined by the terminal device belongs. business group.
  • the first configuration information is carried in NAS signaling or RRC signaling.
  • Fig. 10 is a schematic structural diagram of a communication device 1000 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can invoke and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 1000 may further include a memory 1020 .
  • the processor 1010 can invoke and run a computer program from the memory 1020, so as to implement the method in the embodiment of the present application.
  • the memory 1020 may be an independent device independent of the processor 1010 , or may be integrated in the processor 1010 .
  • the communication device 1000 may further include a transceiver 1030, and the processor 1010 may control the transceiver 1030 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the processor 1010 may control the transceiver 1030 to communicate with other devices, specifically, to send information or data to other devices, or receive other Information or data sent by the device.
  • the transceiver 1030 may include a transmitter and a receiver.
  • the transceiver 1030 may further include antennas, and the number of antennas may be one or more.
  • the communication device 1000 may specifically be the network device of the embodiment of the present application, and the communication device 1000 may implement the corresponding processes implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 1000 may specifically be the mobile terminal/terminal device of the embodiment of the present application, and the communication device 1000 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for the sake of brevity , which will not be repeated here.
  • FIG. 11 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 1100 shown in FIG. 11 includes a processor 1110, and the processor 1110 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the chip 1100 may further include a memory 1120 .
  • the processor 1110 can invoke and run a computer program from the memory 1120, so as to implement the method in the embodiment of the present application.
  • the memory 1120 may be an independent device independent of the processor 1110 , or may be integrated in the processor 1110 .
  • the chip 1100 may also include an input interface 1130 .
  • the processor 1110 can control the input interface 1130 to communicate with other devices or chips, specifically, can obtain information or data sent by other devices or chips.
  • the chip 1100 may also include an output interface 1140 .
  • the processor 1110 can control the output interface 1940 to communicate with other devices or chips, specifically, can 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 the methods of the embodiment of the present application.
  • the chip can implement the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • 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 the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of the present application.
  • 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 the various methods of the embodiments of the present application.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • Fig. 12 is a schematic block diagram of a communication system 1200 provided by an embodiment of the present application. As shown in FIG. 12 , the communication system 1200 includes a terminal device 1210 and a network device 1220 .
  • the terminal device 1210 can be used to realize the corresponding functions realized by the terminal device in the above method
  • the network device 1220 can be used to realize the corresponding functions realized by the network device in the above method.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiment may be completed by an integrated logic circuit of hardware 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 Program 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 method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • 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 the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • 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
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • 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), etc. That is, the memory in the embodiments of the present application is intended to include, but not be limited to, these and any other suitable types of memory.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program enables the computer to execute the corresponding process implemented by the network device in each method of the embodiment 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 the various methods of the embodiments of the present application , for the sake of brevity, it is not repeated here.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the Let me repeat For the sake of brevity, the Let me 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 the methods of the embodiments of the present application, For the sake of brevity, details are not repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program is run on the computer, the computer is made to execute the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the computer program is run on the computer, the computer is made to execute the corresponding processes implemented by the network device in the methods of the embodiment of the present application.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program executes each method in the embodiment of the present application to be implemented by the mobile terminal/terminal device
  • the corresponding process will not be repeated here.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device 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 can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disc, etc., which can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Les modes de réalisation de la présente demande concernent un procédé et un appareil de radiomessagerie, un dispositif terminal et un dispositif de réseau, le procédé comprenant les étapes suivantes : un dispositif terminal reçoit une première signalisation, la première signalisation étant associée à un premier message de radiomessagerie, la première signalisation transportant des premières informations d'indication, et les premières informations d'indication étant utilisées par le dispositif terminal pour déterminer s'il faut recevoir des premières informations de commande de liaison descendante (DCI) et/ou le premier message de radiomessagerie, les premières DCI se rapportant à des DCI de radiomessagerie utilisées pour planifier le premier message de radiomessagerie.
PCT/CN2021/108699 2021-07-27 2021-07-27 Procédé et appareil de radiomessagerie, dispositif terminal et dispositif de réseau WO2023004586A1 (fr)

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PCT/CN2021/108699 WO2023004586A1 (fr) 2021-07-27 2021-07-27 Procédé et appareil de radiomessagerie, dispositif terminal et dispositif de réseau

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