A method and apparatus for indicating paging, terminal equipment, and network equipment.

Abstract

This application provides a method and apparatus for indicating paging, a terminal device, and a network device. The method includes: the terminal device receiving a first DCI, the first DCI being used to schedule paging messages, wherein the first DCI carries first indication information, the first indication information being used to indicate at least one of the following: the paging message is an MBS paging message; information of the MBS service that triggered the paging message.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of mobile communication, and in particular to a method and apparatus for indicating paging, a terminal device, and a network device. BACKGROUND

[0002] In New Radio (NR), paging of multiple users corresponding to a same paging occasion (PO) can be multiplexed in one paging message, so multiple users corresponding to one PO will monitor the paging message of a 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, which will affect these users, for example, causing these users to waste power. SUMMARY

[0003] Embodiments of the present application provide a method and apparatus for indicating paging, a terminal device, and a network device.

[0004] The method for indicating paging provided by embodiments of the present application includes:

[0005] The terminal device receives first downlink control information (DCI), the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, and the first indication information is used for indicating at least one of the following:

[0006] The paging message is an MBS paging message;

[0007] Information of an MBS service triggering the paging message.

[0008] The method for indicating paging provided by embodiments of the present application includes:

[0009] The network device sends first DCI, the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, and the first indication information is used for indicating at least one of the following:

[0010] The paging message is an MBS paging message;

[0011] Information of an MBS service triggering the paging message.

[0012] The apparatus for indicating paging provided by embodiments of the present application is applied to a terminal device, and includes:

[0013] The receiving unit is configured to receive a first DCI, the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, and the first indication information is used for indicating at least one of the following:

[0014] The paging message is an MBS paging message.

[0015] Information of an MBS service triggering the paging message.

[0016] The device for indicating paging provided by the embodiments of the present application is applied to a network device, and the device comprises:

[0017] The sending unit is configured to send a first DCI, the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, and the first indication information is used for indicating at least one of the following:

[0018] The paging message is an MBS paging message.

[0019] Information of an MBS service triggering the paging message.

[0020] The terminal device provided by the embodiments of the present application comprises a processor and a memory. The memory is configured to store a computer program, and the processor is configured to call and run the computer program stored in the memory to execute the method for indicating paging.

[0021] The network device provided by the embodiments of the present application comprises a processor and a memory. The memory is configured to store a computer program, and the processor is configured to call and run the computer program stored in the memory to execute the method for indicating paging.

[0022] The chip provided by the embodiments of the present application is used to implement the method for indicating paging.

[0023] Specifically, the chip comprises a processor configured to call and run a computer program from a memory, so that a device installed with the chip executes the method for indicating paging.

[0024] The computer readable storage medium provided by the embodiments of the present application is used to store a computer program, and the computer program causes a computer to execute the method for indicating paging.

[0025] The computer program product provided by the embodiments of the present application comprises computer program instructions, and the computer program instructions cause a computer to execute the method for indicating paging.

[0026] The computer program provided by the embodiments of the present application, when running on a computer, causes the computer to execute the method for indicating paging.

[0027] By the technical solution, the first DCI for scheduling the paging message carries first indication information, and the first indication information is used for indicating that the paging message is an MBS paging message and / or information of an MBS service triggering the paging message. In this way, the terminal device can determine whether to listen to the paging message according to its own condition, thereby reducing the influence of MBS paging on the terminal device not participating in the MBS service, reducing the load of air interface signaling on one hand, and achieving the purpose of power saving of the terminal device on the other hand. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application. In the drawings:

[0029] Figure 1 is a schematic diagram of a communication system architecture provided by an embodiment of the application;

[0030] Figure 2 is a transmission network architecture diagram of an MBS service provided by an embodiment of the application;

[0031] Figure 3 is a flowchart of a paging indication method provided by an embodiment of the application;

[0032] Figure 4 is a structural composition diagram of a paging indication apparatus provided by an embodiment of the application Figure 1 ;

[0033] Figure 5 is a structural composition diagram of a paging indication apparatus provided by an embodiment of the application Figure 2 ;

[0034] Figure 6 is a schematic structural diagram of a communication device provided by an embodiment of the application;

[0035] Figure 7 is a schematic structural diagram of a chip of an embodiment of the application;

[0036] Figure 8 is a schematic block diagram of a communication system provided by an embodiment of the application. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some, but not all of the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the application.

[0038] The technical solutions of the embodiments of the present application can be applied to various communication systems, for example, a Long Term Evolution (LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD) system, a 5G communication system, or a future communication system, etc.

[0039] For example, the communication system 100 to which the embodiments of the present application are applied is shown in FIG. 1. Figure 1 The communication system 100 can include a network device 110, which can be a device communicating with a terminal 120 (or a communication terminal, a terminal). The network device 110 can provide communication coverage for a specific geographic area, and can communicate with terminals located in the coverage area. Optionally, the network device 110 can be an Evolutional Node B (eNB or eNodeB) in an LTE system, or a radio controller in a Cloud Radio Access Network (CRAN), or the network device can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.

[0040] The communication system 100 further includes at least one terminal 120 located within the coverage of the network equipment 110. As used herein, a "terminal" includes, but is not limited to, an apparatus configured to receive / transmit communication signals via a wired line connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection; and / or another data connection / network; and / or a wireless interface, such as for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter; and / or another terminal; and / or an Internet of Things (IoT) device. A terminal configured to communicate over a wireless interface can be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine a cellular radiotelephone with data processing, facsimile, and data communications capabilities; PDA's that can include a wireless radio telephone, a pager, Internet / Intranet access, Web browser, an organizer, a calendar, and / or a Global Positioning System (GPS) receiver; and conventional laptop and / or palmtop receivers or other electronic devices that include a radio telephone transceiver. A terminal can refer to an access terminal, User Equipment (UE), subscriber unit, subscriber station, mobile station, mobile, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device. An access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device having wireless communication functions, a computing device, or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal in a 5G network, or a terminal in a future evolved PLMN, etc.

[0041] Optionally, the terminals 120 can communicate with each other through Device to Device (D2D) communication.

[0042] Alternatively, 5G communication systems or 5G networks may also be referred to as New Radio (NR) systems or NR networks.

[0043] Figure 1 An exemplary network device and two terminals are shown. Optionally, the communication system 100 may include multiple network devices and each network device may include other numbers of terminals within its coverage area. This application embodiment does not limit this.

[0044] Optionally, the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment.

[0045] It should be understood that devices with communication functions in the network / system of this application embodiment can be referred to as communication devices. Figure 1 Taking the communication system 100 shown as an example, the communication equipment may include a network device 110 and a terminal 120 with communication functions. The network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here. The communication equipment may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities. This application embodiment does not limit this.

[0046] It should be understood that the terms "system" and "network" are often used interchangeably in this document. The term "and / or" in this document merely describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. Furthermore, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0047] To facilitate understanding of the technical solutions in the embodiments of this application, the technical solutions related to the embodiments of this application will be described below.

[0048] With people's pursuit of speed, latency, high-speed mobility, and energy efficiency, and the increasing diversity and complexity of business in future life, the third-generation partnership program (3GPP) is therefore being developed. rd The Generation Partnership Project (3GPP) international standards organization has begun developing 5G. The main application scenarios for 5G are: enhanced mobile broadband (eMBB), ultra-reliable low-latency communications (URLLC), and massive machine-type communications (mMTC).

[0049] On the one hand, eMBB still aims to provide users with multimedia content, services, and data, and its demand is growing rapidly. On the other hand, because eMBB may be deployed in different scenarios, such as indoors, urban areas, and rural areas, its capabilities and needs vary considerably. Therefore, generalizations cannot be made; a detailed analysis based on the specific deployment scenario is necessary. Typical applications of URLLC include industrial automation, power automation, remote medical operations (surgery), and traffic safety assurance. Typical characteristics of mMTC include high connection density, small data volume, latency-insensitive services, low module cost, and long service life.

[0050] In the early stages of NR deployment, complete NR coverage was difficult to achieve, so typical network coverage consisted of wide-area LTE coverage and isolated NR coverage. Furthermore, a large amount of LTE deployment was below 6 GHz, leaving very little spectrum available for 5G below 6 GHz. Therefore, NR had to explore spectrum applications above 6 GHz, but high-frequency band coverage was limited and signal fading was rapid. Simultaneously, to protect mobile operators' initial investments in LTE, a tight interworking mode between LTE and NR was proposed.

[0051] RRC status

[0052] To reduce air interface signaling and facilitate rapid restoration of wireless connections and data services, 5G defines a new Radio Resource Control (RRC) state: the RRC Inactive (RRC_INACTIVE) state. This state differs from the RRC Idle (RRC_IDLE) and RRC Active (RRC_ACTIVE) states.

[0053] in,

[0054] 1) RRC_IDLE state (abbreviated as idle state): Mobility is based on cell selection and reselection of the terminal device, paging is initiated by the 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.

[0055] 2) RRC_CONNECTED state (simply called connected state): An RRC connection exists, and terminal device contexts exist on both the base station and terminal device sides. The network side knows the location of the terminal device at the cell level. Mobility is controlled by the network side. Unicast data can be transmitted between the terminal device and the base station.

[0056] 3) RRC_INACTIVE state (abbreviated as inactive state): Mobility is based on cell selection and reselection of terminal device, there is a connection between CN-NR, the terminal device context exists on a certain base station, paging is triggered by RAN, the paging area based on RAN is managed by RAN, and the network side knows the location of terminal device at the paging area level based on RAN.

[0057] MBMS

[0058] MBMS is a technology that transmits data from one data source to multiple terminal devices by sharing network resources. This technology can effectively utilize network resources while providing multimedia services, and achieve high-speed (e.g., 256kbps) broadcast and multicast of multimedia services.

[0059] Because MBMS has low spectral efficiency, it is insufficient to effectively carry and support the operation of mobile TV services. Therefore, in LTE, 3GPP explicitly proposed enhancing support for downlink high-speed MBMS services and defined the design requirements for the physical layer and air interface.

[0060] 3GPP Release 9 introduced evolved MBMS (eMBMS) into LTE. eMBMS introduced the concept of a Single Frequency Network (SFN), specifically a Multimedia Broadcast Multicast Service Single Frequency Network (MBSFN). MBSFN uses a unified frequency to transmit service data simultaneously in all cells, while ensuring synchronization between cells. This approach can significantly improve the overall signal-to-noise ratio distribution of cells, and spectrum efficiency will also be greatly improved accordingly. eMBMS implements service broadcasting and multicasting based on the IP multicast protocol.

[0061] In LTE or enhanced LTE (LTE-Advanced, LTE-A), MBMS only has a broadcast bearer mode, not a multicast bearer mode. Furthermore, MBMS service reception is applicable to terminal devices in either idle or connected states.

[0062] The concept of Single Cell Point To Multiploint (SC-PTM) was introduced in 3GPP R13. SC-PTM is based on the MBMS network architecture.

[0063] MBMS introduces new logical channels, including the Single Cell-Multicast Control Channel (SC-MCCH) and the Single Cell-Multicast Transport Channel (SC-MTCH). SC-MCCH and SC-MTCH are mapped to the Downlink-Shared Channel (DL-SCH), which is further mapped to the Physical Downlink-Shared Channel (PDSCH). SC-MCCH and SC-MTCH are logical channels, DL-SCH is a transport channel, and PDSCH is a physical channel. SC-MCCH and SC-MTCH do not support Hybrid Automatic Repeat Request (HARQ) operation.

[0064] MBMS introduces a new System Information Block (SIB) type, namely SIB20. Specifically, SIB20 is used to transmit SC-MCCH configuration information, and there is only one SC-MCCH per cell. The SC-MCCH configuration information includes: the SC-MCCH modification period, the SC-MCCH repetition period, and the radio frames and subframes used to schedule the SC-MCCH. Further, 1) the boundary of the SC-MCCH modification period satisfies SFN mod m = 0, where SFN represents the system frame number of the boundary, and m is the SC-MCCH modification period (i.e., sc-mcch-ModificationPeriod) configured in SIB20. 2) the radio frames used to schedule the SC-MCCH satisfy: SFN mod mcch-RepetitionPeriod = mcch-Offset, where SFN represents the system frame number of the radio frame, mcch-RepetitionPeriod represents the SC-MCCH repetition period, and mcch-Offset represents the SC-MCCH offset. 3) Subframes for scheduling SC-MCCH are indicated by sc-mcch-Subframe.

[0065] SC-MCCH is scheduled via the Physical Downlink Control Channel (PDCCH). On one hand, a new Radio Network Temporary Identity (RNTI), namely the Single Cell RNTI (SC-RNTI), is introduced to identify the PDCCH used for scheduling SC-MCCH (e.g., SC-MCCHPDCCH). Optionally, the SC-RNTI is fixed at FFFC. On the other hand, a new RNTI, the Single Cell Notification RNTI (SC-N-RNTI), is introduced to identify the PDCCH used to indicate changes to SC-MCCH (e.g., notification PDCCH). Optionally, the SC-N-RNTI is fixed at FFFB. Furthermore, one bit from the eight bits of DCI 1C can be used to indicate the change notification. In LTE, the configuration information of SC-PTM is based on the SC-MCCH configured by SIB20, and then the SC-MCCH configures the SC-MTCH, which is used to transmit service data.

[0066] Specifically, the SC-MCCH transmits only one message (SCPTMConfiguration), which is used to configure the SC-PTM configuration information. The SC-PTM configuration information includes: Temporary Mobile Group Identity (TMGI), session ID, Group RNTI (G-RNTI), Discontinuous Reception (DRX) configuration information, and SC-PTM service information from neighboring cells. It should be noted that the SC-PTM in Release 13 does not support Robust Header Compression (ROHC).

[0067] Downlink discontinuous reception of SC-PTM is controlled by the following parameters: onDurationTimerSCPTM, drx-InactivityTimerSCPTM, SC-MTCH-SchedulingCycle, and SC-MTCH-SchedulingOffset.

[0068] When [(SFN*10)+subframe number]modulo(SC-MTCH-SchedulingCycle)=SC-MTCH-SchedulingOffset is satisfied, start timer onDurationTimerSCPTM;

[0069] When a downlink PDCCH schedule is received, the timer drx-InactivityTimerSCPTM is started;

[0070] Downlink SC-PTM traffic is only received when the timer onDurationTimerSCPTM or drx-InactivityTimerSCPTM is running.

[0071] SC-PTM service continuity adopts the MBMS service continuity concept based on SIB15, namely the "SIB15+MBMSInterestIndication" method. Service continuity of idle terminal equipment is based on the concept of frequency priority.

[0072] In the technical solution of this application embodiment, a new SIB (referred to as the first SIB) is defined. The first SIB includes the configuration information of the first MCCH. Here, the first MCCH is the control channel of MBMS service. In other words, the first SIB is used to configure the configuration information of the control channel of NRMBMS. Optionally, the control channel of NR MBMS can also be called NR MCCH (i.e., the first MCCH).

[0073] Furthermore, the first MCCH is used to carry the first signaling. In this embodiment, the name of the first signaling is not limited; for example, the first signaling may be signaling A. The first signaling includes configuration information for at least one first MTCH. Here, the first MTCH is the service channel (also called the data channel or transport channel) of the MBMS service, and it is used to transmit MBMS service data (such as NR MBMS service data). In other words, the first MCCH is used to configure the configuration information of the NR MBMS service channel. Optionally, the NR MBMS service channel can also be called the NR MTCH (i.e., the first MTCH).

[0074] Specifically, the first signaling is used to configure the NR MBMS service channel, the service information corresponding to the service channel, and the scheduling information corresponding to the service channel. Further, optionally, the service information corresponding to the service channel may include identification information such as TMGI, session ID, etc., that identifies the service. The scheduling information corresponding to the service channel may include, for example, the RNTI used when the MBMS service data corresponding to the service channel is scheduled, such as G-RNTI, DRX configuration information, etc.

[0075] It should be noted that the transmission of the first MCCH and the first MTCH is based on PDCCH scheduling. The RNTI used by the PDCCH for scheduling the first MCCH uses a globally unique identifier, i.e., a fixed value. The RNTI used by the PDCCH for scheduling the first MTCH is configured through the first MCCH.

[0076] It should be noted that the naming of the first SIB, the first MCCH, and the first MTCH is not limited in this application embodiment. For ease of description, the first SIB can also be abbreviated as SIB, the first MCCH can also be abbreviated as MCCH, and the first MTCH can also be abbreviated as MTCH. The PDCCH (i.e., MCCHPDCCH) used for scheduling MCCH and the PDCCH are notified through the SIB. The DCI carried by the MCCH PDCCH is used to schedule the PDSCH (i.e., MCCH PDSCH) used for transmitting MCCH. Further, M PDCCHs (i.e., MTCH 1PDCCH, MTCH 2PDCCH, ..., MTCH M PDCCH) used for scheduling MTCH are configured through the MCCH. The DCI carried by the MTCH n PDCCH is used to schedule the PDSCH (i.e., MTCH n PDSCH) used for transmitting MTCH n, where 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. Here, MCCH and MTCH belong to logical channels, DL-SCH belongs to transport channels, and PDSCH belongs to physical channels.

[0077] It should be noted that although the above solution is illustrated using MBMS as an example, the description of "MBMS" can also be replaced with "MBS". This application embodiment uses MBS as an example for illustration, and the description of "MBS service" can also be replaced with "MBMS".

[0078] In NR MBS, the transport network architecture for MBS services is as follows: Figure 2 As shown, the 5G core network transmits MBS service flows to the 5G access network (such as gNB) through a shared GTP tunnel. The 5G access network can determine whether to transmit the MBS service flow to the terminal device via point-to-point (PTP) or point-to-multipoint (PTM) methods.

[0079] For terminal devices receiving MBS services, they also receive other non-MBS services, such as eMBB services. Therefore, when there is no MBS service transmission, the terminal device can be released to an idle state, an inactive state, or remain in a connected state by the network side. When the terminal device is in an idle or inactive state, the network side can wake up the terminal device by paging it to receive the MBS service when MBS service data arrives.

[0080] In NR, paging messages for multiple users corresponding to the same paging occasion (PO) can be multiplexed into a single paging message. Therefore, multiple users corresponding to one PO will listen for MBS service paging messages, even if some users are not participating in the MBS service. The MBS service paging message will still wake up these users, impacting them, for example, by causing them to consume more power. Furthermore, NR supports beam sweeping transmission, so a single paging message will be transmitted multiple times within a cell. The specific number of copies depends on the actual number of synchronization signal blocks (SS / PBCH Blocks, SSBs) transmitted in that cell. This results in a high load on MBS service paging messages, wasting radio resources. To address these issues, the following technical solutions are proposed in the embodiments of this application.

[0081] Figure 3 This is a schematic flowchart of the paging instruction method provided in the embodiments of this application, such as... Figure 3 As shown, the method for instructing paging includes the following steps:

[0082] Step 301: The network device sends a first DCI, and the terminal device receives the first DCI. The first DCI is used to schedule paging messages. The first DCI carries first indication information, which is used to indicate at least one of the following: the paging message is an MBS paging message; or information about the MBS service that triggered the paging message.

[0083] In this embodiment, the network device may be an access network device. In some alternative embodiments, the network device may be a base station.

[0084] In this embodiment of the application, the network device sends a first DCI, and the terminal device receives the first DCI. Specifically, the terminal device listens for and receives the first DCI in the PO.

[0085] In this embodiment, the first DCI carries scheduling information for paging messages; in other words, the first DCI is used to schedule paging messages. In some alternative implementations, the first DCI may also be called a paging DCI.

[0086] In this embodiment of the application, the first DCI carries first indication information, which is used to indicate at least one of the following: the paging message is an MBS paging message; or information about the MBS service that triggered the paging message.

[0087] In some alternative implementations, the first indication information is used to indicate that the paging message is an MBS paging message. In other words, the first indication information is used to indicate that the paging message is an MBS type paging message.

[0088] For the terminal device, in some optional implementations, if the terminal device is a legacy type terminal device or a terminal device not configured with MBS service, then the terminal device will not receive the paging message scheduled by the first DCI; or, if the terminal device is configured with MBS service or supports MBS service, then the terminal device will receive the paging message scheduled by the first DCI.

[0089] Here, receiving the paging message of the first DCI scheduling can also be understood as receiving the PDSCH of the first DCI scheduling, wherein the PDSCH is used to carry the paging message.

[0090] Here, "legacy" type terminal equipment refers to terminal equipment that does not receive MBS services (i.e., terminal equipment that does not receive MSB services), such as eMBB type terminal equipment.

[0091] As an example, the first indication information is 1 bit information. The 1 bit information has a first value to indicate that the paging message is an MBS paging message, and a second value to indicate that the paging message is not an MBS paging message. Here, the first value is 1 and the second value is 0; or, the first value is 0 and the second value is 1.

[0092] In some optional implementations, the first indication information is used to indicate information about the MBS service that triggered the paging message. Here, optionally, the information about the MBS service that triggered the paging message includes at least one of the following: MBS service identifier, MBS service association information.

[0093] In some alternative implementations, the first indication information is used to indicate the MBS service identifier of the MBS service that triggered the paging message. As an example, the MBS service identifier includes at least one of the following: TMGI, G-RNTI, and MBS session identifier.

[0094] For terminal devices, in some optional implementations, if the terminal device is a traditional type of terminal device or a terminal device that is not configured with the MBS service corresponding to the MBS service identifier, then the terminal device will not receive the paging message scheduled by the first DCI.

[0095] For terminal devices, in some optional implementations, if the MBS service corresponding to the MBS service identifier is an MBS service that the terminal device is interested in, has joined, or expects to receive, then:

[0096] Option 1: The terminal device receives the paging message scheduled by the first DCI; or,

[0097] Option 2: The terminal device does not receive the paging message from the first DCI scheduling, but directly initiates the Radio Resource Control (RRC) connection establishment process or the RRC connection recovery process.

[0098] Here, receiving the paging message of the first DCI scheduling can also be understood as receiving the PDSCH of the first DCI scheduling, wherein the PDSCH is used to carry the paging message.

[0099] Here, traditional type terminal equipment refers to terminal equipment that does not receive MBS services (i.e., terminal equipment that does not receive MSB services), such as eMBB type terminal equipment.

[0100] In some optional implementations, the first indication information is used to indicate MBS service association information. The MBS service association information includes at least one of the following: the type of MBS service; and first information about the MBS service, which is obtained based on the MBS service identifier.

[0101] As an example, the first information of an MBS service can be a portion of the MBS service identifier.

[0102] As an example, the first information of the MBS service can be calculated through the MBS service identifier. Taking the MBS service identifier as TMGI as an example, the first information = TMGI mod k, where k is a positive integer.

[0103] For the terminal device, in some optional implementations, the terminal device determines whether the paging message is its own paging message based on the MBS service association information; if the terminal device determines that the paging message is not its own paging message, the terminal device abandons receiving the paging message scheduled by the first DCI; or, if the terminal device determines that the paging message is its own paging message, the terminal device receives the paging message scheduled by the first DCI.

[0104] Here, the capacity (or load) of MBS service association information is relatively small, thus effectively saving the overhead of the first DCI. Based on the MBS service association information, the terminal device can determine the probability that the paging message is its own. If the probability is high (e.g., greater than or equal to a specified threshold), it receives the paging message scheduled by the first DCI and further determines whether the paging message is its own. If the probability is low (e.g., less than or equal to a specified threshold), it abandons receiving the paging message scheduled by the first DCI.

[0105] In some optional implementations, the first DCI also carries a first information field that can be parsed by conventional terminal devices; wherein, when the value of the first information field is a specific value, the conventional terminal device does not receive the paging message scheduled by the first DCI.

[0106] As an example, the first information field is a short message indicator (SMI) information field. Here, the SMI occupies 2 bits. After receiving the first DCI, the conventional terminal device parses the 2 bits in the SMI field. If the value of the 2 bits is a specific value, such as 00 or 10, the conventional terminal device does not receive the paging message scheduled by the first DCI. Optionally, the conventional terminal device also does not parse the first indicator information.

[0107] The technical solution of this application embodiment is used to schedule the first DCI of the paging message to carry the first indication information. The first indication information is used to indicate that the paging message is an MBS paging message and / or information of the MBS service that triggers the paging message. In this way, the terminal device can decide whether to listen to the paging message according to its own situation, which reduces the impact of MBS paging on terminal devices that do not participate in MBS service. On the one hand, it reduces the load of air interface signaling, and on the other hand, it achieves the purpose of saving power for the terminal device.

[0108] Figure 4 This is a schematic diagram of the structural composition of the paging instruction device provided in the embodiments of this application. Figure 1 Applied to terminal devices, such as Figure 4 As shown, the paging indicator includes:

[0109] Receiving unit 401 is configured to receive a first DCI, the first DCI being used to schedule paging messages, wherein the first DCI carries first indication information, the first indication information being used to indicate at least one of the following:

[0110] The paging message is an MBS paging message;

[0111] Information about the MBS service that triggered the paging message.

[0112] In some alternative implementations, if the terminal device is a conventional type of terminal device or a terminal device not configured with MBS service, the receiving unit 401 will not receive the paging message of the first DCI scheduling; or, if the terminal device is configured with MBS service or supports MBS service, the receiving unit 401 will receive the paging message of the first DCI scheduling.

[0113] In some alternative implementations, the information of the MBS service includes an MBS service identifier.

[0114] In some alternative implementations, if the terminal device is a conventional type of terminal device or a terminal device that is not configured with the MBS service corresponding to the MBS service identifier, then the receiving unit 401 will not receive the paging message of the first DCI scheduling.

[0115] In some alternative embodiments, the apparatus further includes a transmitting unit;

[0116] If the MBS service corresponding to the MBS service identifier is an MBS service that the terminal device is interested in, has joined, or expects to receive, then:

[0117] The receiving unit 401 receives the paging message scheduled by the first DCI; or,

[0118] The receiving unit 401 does not receive the paging message scheduled by the first DCI, and the sending unit directly initiates the RRC connection establishment process or the RRC connection recovery process.

[0119] In some alternative implementations, the information of the MBS service includes MBS service association information.

[0120] In some alternative embodiments, the apparatus further includes a determining unit 402, configured to determine whether the paging message is its own paging message based on the MBS service association information;

[0121] If the determining unit 402 determines that the paging message is not its own paging message, then the receiving unit 401 abandons receiving the paging message scheduled by the first DCI; or,

[0122] If the determining unit 402 determines that the paging message is its own paging message, then the receiving unit 401 receives the paging message scheduled by the first DCI.

[0123] In some alternative implementations, the MBS service association information includes at least one of the following:

[0124] Types of MBS services;

[0125] The first information of the MBS service is obtained based on the MBS service identifier.

[0126] In some alternative implementations, the first DCI also carries a first information field that can be parsed by conventional terminal devices.

[0127] Wherein, if the value of the first information field is a specific value, the conventional type of terminal device will not receive the paging message scheduled by the first DCI.

[0128] In some alternative implementations, the first information field is a short message indication information field.

[0129] In some alternative implementations, the receiving unit 401 is configured to listen for and receive the first DCI in the PO.

[0130] In some alternative implementations, the MBS service identifier includes at least one of the following: TMGI, G-RNTI, MBS session identifier.

[0131] Those skilled in the art should understand that the description of the paging device in the embodiments of this application can be understood with reference to the description of the paging method in the embodiments of this application.

[0132] Figure 5 This is a schematic diagram of the structural composition of the paging instruction device provided in the embodiments of this application. Figure 2 Applied to network devices, such as Figure 5 As shown, the paging indicator includes:

[0133] The sending unit 501 is configured to send a first DCI, the first DCI being used to schedule paging messages, wherein the first DCI carries first indication information, the first indication information being used to indicate at least one of the following:

[0134] The paging message is an MBS paging message;

[0135] Information about the MBS service that triggered the paging message.

[0136] In some alternative implementations, the information of the MBS service includes an MBS service identifier.

[0137] In some alternative implementations, the information of the MBS service includes MBS service association information.

[0138] In some alternative implementations, the first DCI also carries a first information field that can be parsed by conventional terminal devices.

[0139] Wherein, if the value of the first information field is a specific value, the conventional type of terminal device will not receive the paging message scheduled by the first DCI.

[0140] In some alternative implementations, the first information field is a short message indication information field.

[0141] Those skilled in the art should understand that the description of the paging device in the embodiments of this application can be understood with reference to the description of the paging method in the embodiments of this application.

[0142] Figure 6 This is a schematic structural diagram of a communication device 600 provided in an embodiment of this application. This communication device can be a terminal device or a network device. Figure 6 The communication device 600 shown includes a processor 610, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0143] Optionally, such as Figure 6 As shown, the communication device 600 may further include a memory 620. The processor 610 can retrieve and run computer programs from the memory 620 to implement the methods described in this embodiment.

[0144] The memory 620 can be a separate device independent of the processor 610, or it can be integrated into the processor 610.

[0145] Optionally, such as Figure 6 As shown, the communication device 600 may also include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices or receive information or data sent by other devices.

[0146] The transceiver 630 may include a transmitter and a receiver. The transceiver 630 may further include antennas, and the number of antennas may be one or more.

[0147] Optionally, the communication device 600 may specifically be a network device in the embodiments of this application, and the communication device 600 may implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0148] Optionally, the communication device 600 may specifically be a mobile terminal / terminal device in the embodiments of this application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0149] Figure 7This is a schematic structural diagram of the chip according to an embodiment of this application. Figure 7 The chip 700 shown includes a processor 710, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0150] Optionally, such as Figure 7 As shown, chip 700 may further include memory 720. Processor 710 can retrieve and run computer programs from memory 720 to implement the methods described in this embodiment.

[0151] The memory 720 can be a separate device independent of the processor 710, or it can be integrated into the processor 710.

[0152] Optionally, the chip 700 may also include an input interface 730. The processor 710 can control the input interface 730 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.

[0153] Optionally, the chip 700 may also include an output interface 740. The processor 710 can control the output interface 740 to communicate with other devices or chips, specifically, to output information or data to other devices or chips.

[0154] Optionally, the chip can be applied to the network device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0155] Optionally, the chip can be applied to the mobile terminal / terminal device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0156] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0157] Figure 8 This is a schematic block diagram of a communication system 800 provided in an embodiment of this application. Figure 8 As shown, the communication system 800 includes a terminal device 810 and a network device 820.

[0158] The terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 820 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, these will not be elaborated here.

[0159] It should be understood that the processor in the embodiments of this application may be an integrated circuit chip with signal processing capabilities. In implementation, the steps of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by instructions in software form. The processor described above can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of this application can be directly embodied in the execution of a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules can be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. The storage medium is located in memory, and the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method.

[0160] It is understood that the memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory used in the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0161] It should be understood that the above-described memory is exemplary and not a limiting description. For example, the memory in the embodiments of this application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DR RAM), etc. That is to say, the memory in the embodiments of this application is intended to include, but is not limited to, these and any other suitable types of memory.

[0162] This application also provides a computer-readable storage medium for storing computer programs.

[0163] Optionally, the computer-readable storage medium can be applied to the network device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0164] Optionally, the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0165] This application also provides a computer program product, including computer program instructions.

[0166] Optionally, the computer program product can be applied to the network device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, they will not be described in detail here.

[0167] Optionally, the computer program product can be applied to the mobile terminal / terminal device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of this application. For the sake of brevity, they will not be described in detail here.

[0168] This application also provides a computer program.

[0169] Optionally, the computer program can be applied to the network device in the embodiments of this application. When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0170] Optionally, the computer program can be applied to the mobile terminal / terminal device in the embodiments of this application. When the computer program is run on a computer, it causes the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0171] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0172] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0173] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0174] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0175] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0176] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0177] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A method for indicating paging, the method comprising: receiving, by a terminal device, a first downlink control information (DCI), the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, the first indication information being used for indicating at least one of the following: the paging message is a multimedia broadcast service (MBS) paging message; information of an MBS service triggering the paging message; the first DCI further carries a first information field, the first information field being capable of being parsed by a legacy type of terminal device; wherein, in a case that a value of the first information field is a specific value, the legacy type of terminal device does not receive the paging message scheduled by the first DCI.

2. The method of claim 1, wherein, The method further comprises: if the terminal device is a legacy type of terminal device or a terminal device not configured with an MBS service, the terminal device gives up receiving the paging message scheduled by the first DCI; or if the terminal device is configured with an MBS service or supports an MBS service, the terminal device receives the paging message scheduled by the first DCI.

3. The method of claim 1 or 2, wherein, The information of the MBS service comprises an MBS service identifier.

4. The method of claim 3, wherein, The method further comprises: if the terminal device is a legacy type of terminal device or a terminal device not configured with an MBS service corresponding to the MBS service identifier, the terminal device gives up receiving the paging message scheduled by the first DCI.

5. The method of claim 3, wherein, The method further comprises: if an MBS service corresponding to the MBS service identifier is an MBS service of interest to the terminal device or an MBS service joined by the terminal device or an MBS service expected to be received by the terminal device: the terminal device receives the paging message scheduled by the first DCI; or the terminal device does not receive the paging message scheduled by the first DCI, and directly initiates a radio resource control (RRC) connection establishment procedure or an RRC connection resume procedure.

6. The method of any one of claims 1 to 5, wherein, The information of the MBS service comprises MBS service association information.

7. The method of claim 6, wherein, The method further comprises: determining, by the terminal device, whether the paging message is a paging message of the terminal device based on the MBS service association information; if the terminal device determines that the paging message is not a paging message of the terminal device, the terminal device gives up receiving the paging message scheduled by the first DCI; or if the terminal device determines that the paging message is a paging message of the terminal device, the terminal device receives the paging message scheduled by the first DCI.

8. The method of claim 6 or 7, wherein, The MBS service association information comprises at least one of the following: a type of the MBS service; first information of the MBS service, the first information being obtained based on an MBS service identifier.

9. The method of claim 1, wherein, The first information field is a short message indication information field.

10. The method of any one of claims 1 to 9, wherein, The receiving, by the terminal device, the first DCI comprises: listening to and receiving, by the terminal device, the first DCI in a paging occasion (PO).

11. The method of any one of claims 3-5, 8, wherein, The MBS service identifier comprises at least one of the following: a temporary mobile group identifier (TMGI), a group radio network temporary identifier (G-RNTI), and an MBS session identifier.

12. A method for indicating paging, the method comprising: The network device transmits a first DCI, the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, the first indication information being used for indicating at least one of the following: The paging message is an MBS paging message; Information of an MBS service triggering the paging message; The first DCI further carries a first information field, the first information field being capable of being parsed by a terminal device of a legacy type; In a case where a value of the first information field is a specific value, the terminal device of the legacy type does not receive the paging message scheduled by the first DCI.

13. The method of claim 12, wherein, The information of the MBS service includes an MBS service identifier.

14. The method of claim 12 or 13, wherein, The information of the MBS service includes MBS service association information.

15. The method of claim 12, wherein, The first information field is a short message indication information field.

16. An apparatus for indicating paging, applied to a terminal device, the apparatus comprising: a receiving unit configured to receive a first DCI, the first DCI being used for scheduling a paging message, wherein the first DCI carries first indication information, the first indication information being used for indicating at least one of the following: The paging message is an MBS paging message; Information of an MBS service triggering the paging message; The first DCI further carries a first information field, the first information field being capable of being parsed by a terminal device of a legacy type; In a case where a value of the first information field is a specific value, the terminal device of the legacy type does not receive the paging message scheduled by the first DCI.

17. The apparatus according to claim 16, wherein: if the terminal device is a terminal device of a legacy type or a terminal device not configured with an MBS service, the receiving unit gives up receiving the paging message scheduled by the first DCI; or if the terminal device is configured with an MBS service or supports an MBS service, the receiving unit receives the paging message scheduled by the first DCI. The information of the MBS service includes an MBS service identifier.

18. The apparatus of claim 16 or 17, wherein, 19. The apparatus according to claim 18, wherein: if the terminal device is a terminal device of a legacy type or a terminal device not configured with an MBS service corresponding to the MBS service identifier, the receiving unit gives up receiving the paging message scheduled by the first DCI. The apparatus further comprises a sending unit; 20. The apparatus of claim 18, wherein, if an MBS service corresponding to the MBS service identifier is an MBS service of interest to the terminal device or an MBS service joined by the terminal device or an MBS service expected to be received by the terminal device, then: the receiving unit receives the paging message scheduled by the first DCI; or the receiving unit does not receive the paging message scheduled by the first DCI, and the sending unit directly initiates an RRC connection establishment process or an RRC connection resumption process. The information of the MBS service includes MBS service association information.

21. The apparatus of any one of claims 16-20, wherein, 22. The apparatus according to claim 21, wherein: The apparatus further comprises a determining unit configured to determine, based on the MBS service association information, whether the paging message is a paging message of the terminal device. ​ If the determining unit determines that the paging message is not the paging message of the terminal device, the receiving unit gives up receiving the paging message scheduled by the first DCI. Or, If the determining unit determines that the paging message is the paging message of the terminal device, the receiving unit receives the paging message scheduled by the first DCI.

23. The apparatus of claim 21 or 22, wherein, The MBS service association information includes at least one of the following: A type of the MBS service; First information of the MBS service, the first information being obtained based on an MBS service identifier.

24. The apparatus of claim 16, wherein, The first information field is a short message indication information field.

25. The apparatus of any one of claims 16-24, wherein, The receiving unit is configured to listen to and receive the first DCI in a PO.

26. The apparatus of any one of claims 16-20, 23, wherein, The MBS service identifier includes at least one of the following: a TMGI, a G-RNTI, and an MBS session identifier.

27. An apparatus for indicating paging, applied to a network device, the apparatus comprising: a sending unit configured to send a first DCI, the first DCI being used to schedule a paging message, wherein the first DCI carries first indication information, the first indication information being used to indicate at least one of the following: The paging message is an MBS paging message; Information of an MBS service triggering the paging message; The first DCI further carries a first information field, the first information field being able to be parsed by a terminal device of a legacy type; In a case where the first information field has a specific value, the terminal device of the legacy type does not receive the paging message scheduled by the first DCI.

28. The apparatus of claim 27, wherein, The information of the MBS service includes an MBS service identifier.

29. The apparatus of claim 27 or 28, wherein, The information of the MBS service includes MBS service association information.

30. The apparatus of claim 27, wherein, The first information field is a short message indication information field.

31. A terminal device comprising: A processor and a memory, the memory being used to store a computer program, the processor being used to call and run the computer program stored in the memory to execute the method according to any one of claims 1 to 11.

32. A network device comprising: A processor and a memory, the memory being used to store a computer program, the processor being used to call and run the computer program stored in the memory to execute the method according to any one of claims 12 to 15.

33. A chip comprising: A processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 1 to 11.

34. A chip comprising: A processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 12 to 15.

35. A computer readable storage medium, configured to store a computer program, the computer program causing a computer to execute the method according to any one of claims 1 to 11.

36. A computer readable storage medium, configured to store a computer program, the computer program causing a computer to execute the method according to any one of claims 12 to 15.

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