Paging mode determination method and terminal equipment

Abstract

The embodiment of the invention provides a paging mode determination method and terminal equipment, and relates to the technical field of communication. The method comprises: a first network device sending first indication information to a terminal device, the first indication information indicating a first paging mode supported by the first network device; and the second network equipment sends second indication information to the terminal equipment, wherein the second indication information indicates a second paging mode supported by the second network equipment. And the core network equipment determines a third paging mode corresponding to the terminal equipment and sends a first paging message to the first network equipment, and the first paging message comprises the third paging mode corresponding to the terminal equipment. And the first network equipment sends a second paging message to the second network equipment, wherein the second paging message comprises a third paging mode corresponding to the terminal equipment. And the terminal equipment, the first network equipment and the second network equipment all determine the target paging mode. In this way, it can be ensured that the terminal device and the network device send and receive paging based on the same process.

Description

Technical Field

[0001] This application relates to the field of communication technologies, and in particular, to a method for determining a paging manner and a terminal device. Background Art

[0002] In a cellular communication system, a terminal device in an idle state and a non-active state periodically monitors paging, so as to initiate processes such as RRC connection establishment or RRC connection recovery in response to a paging message.

[0003] To avoid the power consumption caused by the terminal device continuously monitoring paging, currently, on the basis of the traditional paging manner, the PEI (paging early indication) technology is introduced. The PEI can group the terminal devices associated with a paging occasion, and then perform paging indication for each group of terminal devices respectively. In addition, currently, the WUS (wake up signal) technology is also introduced to further reduce the power consumption of the terminal device.

[0004] In the premise that there are multiple paging manners, if the network device and the terminal device do not use the same paging manner, paging anomalies may occur. Summary of the Invention

[0005] An embodiment of this application provides a method for determining a paging manner and a terminal device, which are applied to the field of communication technologies. The technical solution of this application can enable a network device and a terminal device to send and receive paging in the same process, so that the network device can send a paging message to a specific terminal device in an accurate paging manner, and save network paging resources on the premise of avoiding paging loss.

[0006] In a first aspect, an embodiment of this application proposes a method for determining a paging manner, which is applied to a terminal device. The method includes:

[0007] Receiving first indication information sent by a first network device, where the first indication information is used to indicate a first paging manner supported by the first network device;

[0008] When the terminal device moves into the coverage area of a second network device, receiving second indication information sent by the second network device, where the second indication information is used to indicate a second paging manner supported by the second network device;

[0009] Determining a target paging manner for receiving a paging message according to the first paging manner, the second paging manner, and a third paging manner corresponding to the terminal device.

[0010] In this implementation manner, since the terminal device, the first network device, and the second network device align the first paging manner, the second paging manner, and the third paging manner with each other, and then the terminal device, the first network device, and the second network device determine the target paging manner based on the same manner, it can be ensured that the network device and the terminal device implement the transmission of paging messages based on the same target paging manner, so that the terminal device can correctly receive the paging, and when the target paging manner has the effect of power saving, it can also ensure that the power-saving effect can be normally exerted.

[0011] In a possible implementation manner, the third paging manner is a paging manner supported by the terminal device, and the method further includes:

[0012] Sending third indication information to the first network device, where the third indication information is used to indicate the third paging manner.

[0013] In this implementation manner, the terminal device sends the third indication information to the first network device, which can simply and effectively implement the terminal device reporting the third paging manner it supports.

[0014] In a possible implementation manner, the third paging manner is a paging manner negotiated between the terminal device and the core network device, and the method further includes:

[0015] Sending fourth indication information to the core network device, where the fourth indication information is used to indicate the fourth paging manner supported by the terminal device; and,

[0016] Receiving first configuration information sent by the core network device, where the first configuration information is used to indicate the third paging manner, where the third paging manner is determined by the core network device in the fourth paging manner.

[0017] In this implementation manner, the terminal device directly negotiates the third paging manner with the core network device, thereby saving a certain amount of signaling overhead. At the same time, the terminal device and the core network negotiate the third paging manner, which can also improve the adaptability of the determined third paging manner to the current network situation.

[0018] In a possible implementation manner, the third indication information includes a receiver type, and the receiver type includes at least one of the following: a low-power receiver and a main receiver;

[0019] Wherein, the receiver type is used to indicate the third paging manner.

[0020] In a possible implementation manner, if the receiver type only includes the low-power receiver, the third paging manner includes: a paging manner based on the wake-up signal WUS;

[0021] If the receiver type only includes the primary receiver, the third paging mode includes: a paging mode based on a paging early indication (PEI) and a paging mode of decoding a physical downlink shared channel (PDCCH) in a paging occasion (PO) periodically.

[0022] If the receiver type includes the low-power receiver and the primary receiver, the third paging mode includes: a paging mode based on wake-up signal (WUS), a paging mode based on PEI, and a paging mode of decoding PDCCH in a PO periodically.

[0023] In this implementation manner, it may be set that the receiver type is included in the third indication information to indirectly implement the indication of the third paging mode.

[0024] In a possible implementation manner, the third indication information includes the third paging mode, and the third paging mode includes at least one of the following: a paging mode based on WUS, a paging mode based on PEI, and a paging mode of decoding PDCCH in a PO periodically.

[0025] In this implementation manner, it may be set that the second paging mode is included in the second indication information to directly implement the indication of the second paging mode.

[0026] In a possible implementation manner, the third indication information includes a first parameter associated with a paging mode, and the paging mode associated with the first parameter is the third paging mode.

[0027] In this implementation manner, the indication of the second paging mode is indirectly indicated by multiplexing the first parameter, and at the same time, this implementation manner can effectively save signaling overhead.

[0028] In a possible implementation manner, the third indication information is sent through UE capability information.

[0029] In a possible implementation manner, when the terminal device is within the coverage of the first network device, the target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the first paging mode and the third paging mode.

[0030] In a possible implementation manner, when the terminal device is within the coverage of the second network device, the target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the second paging mode and the third paging mode.

[0031] In this implementation manner, on the premise that both parties support it, the optimal paging mode may be determined as the target paging mode to improve the paging effect.

[0032] In a possible implementation, the priority of the paging mode is pre-configured; or, the priority of the paging mode is indicated by second configuration information sent by the first network device or the second network device.

[0033] In a possible implementation, the first indication information is sent by the first network device through a broadcast signaling; and,

[0034] the second indication information is sent by the second network device through a broadcast signaling.

[0035] In a possible implementation, the method further includes:

[0036] Receiving fifth indication information sent by the first network device through a unicast signaling, where the fifth indication information is used to indicate a fifth paging mode used by the terminal device to receive a paging message.

[0037] In a possible implementation, if there is the fifth indication information sent through a unicast signaling, determining the fifth paging mode as the paging mode with the highest priority.

[0038] In this implementation, when there is fifth indication information unicast sent by the first network device, determining the fifth paging mode indicated by the fifth indication information as the paging mode with the highest priority, so as to ensure that paging is performed as much as possible according to the paging mode indicated by the unicast of the network device, thereby improving the possibility of successful paging.

[0039] In a second aspect, an embodiment of the present application provides a paging mode determination method, which is applied to a first network device. The method includes:

[0040] Sending first indication information to a terminal device, where the first indication information is used to indicate a first paging mode supported by the first network device;

[0041] Receiving a first paging message sent by a core network device, where the first paging message includes a third paging mode corresponding to the terminal device;

[0042] Determining a target paging mode for sending a paging message according to the first paging mode and the third paging mode.

[0043] In a possible implementation, the third paging mode is a paging mode supported by the terminal device, and the method further includes:

[0044] Receiving third indication information sent by the terminal device, where the third indication information is used to indicate the third paging mode.

[0045] In a possible implementation, the method further includes:

[0046] Sending the third indication information to the core network device.

[0047] In a possible implementation, the third paging manner is a paging manner negotiated between the terminal device and the core network device.

[0048] In a possible implementation, the third indication information includes a receiver type, and the receiver type includes at least one of the following: a low-power receiver and a primary receiver;

[0049] Wherein, the receiver type is used to indicate the third paging manner.

[0050] In a possible implementation, if the receiver type only includes the low-power receiver, the third paging manner includes: a paging manner based on WUS;

[0051] If the receiver type only includes the primary receiver, the third paging manner includes: a paging manner based on PEI and a paging manner of decoding PDCCH in a PO periodically;

[0052] If the receiver type includes the low-power receiver and the primary receiver, the third paging manner includes: a paging manner based on WUS, a paging manner based on PEI, and a paging manner of decoding PDCCH in a PO periodically.

[0053] In a possible implementation, the third indication information includes the third paging manner, and the third paging manner includes at least one of the following: a paging manner based on WUS, a paging manner based on PEI, and a paging manner of decoding PDCCH in a PO periodically.

[0054] In a possible implementation, the third indication information includes a first parameter associated with the paging manner, and the paging manner associated with the first parameter is the third paging manner.

[0055] In a possible implementation, the third indication information is sent through UE capability information.

[0056] In a possible implementation, the target paging manner is the paging manner with the highest priority among at least one paging manner that exists in both the first paging manner and the third paging manner.

[0057] In a possible implementation, the priority of the paging manner is pre-configured; or,

[0058] The method further includes:

[0059] Send second configuration information to the terminal device, where the second configuration information is used to indicate the priority of the paging mode.

[0060] In a possible implementation, the method further includes:

[0061] Fifth indication information sent to the terminal device through a unicast signaling, where the fifth indication information is used to indicate a fifth paging mode used by the terminal device to receive a paging message.

[0062] In a possible implementation, if there is the fifth indication information sent through a unicast signaling, determine the fifth paging mode as the paging mode with the highest priority.

[0063] In a possible implementation, after receiving the first paging message sent by the core network device, the method further includes:

[0064] Send the second paging message to a second network device, where the second paging message includes a third paging mode corresponding to the terminal device.

[0065] In a possible implementation, the second paging message further includes the fifth paging mode indicated by the fifth indication information.

[0066] In a third aspect, an embodiment of the present application provides a paging mode determination method, which is applied to a second network device. The method includes:

[0067] Send second indication information to the terminal device, where the second indication information is used to indicate a second paging mode supported by the second network device;

[0068] Receive the second paging message sent by the first network device, where the second paging message includes a third paging mode corresponding to the terminal device;

[0069] Determine a target paging mode for sending a paging message according to the second paging mode and the third paging mode.

[0070] In a possible implementation, the target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the second paging mode and the third paging mode.

[0071] In a possible implementation, the priority of the paging mode is pre-configured; or,

[0072] The method further includes:

[0073] Send second configuration information to the terminal device, where the second configuration information is used to indicate the priority of the paging mode.

[0074] In a possible implementation, the second paging message further includes a fifth paging method, where the fifth paging method is a paging method indicated by the first network device for the terminal device to use through unicast signaling.

[0075] In a possible implementation, if the second paging message includes the fifth indication information, the fifth paging method is determined as the paging method with the highest priority.

[0076] Fourthly, an embodiment of the present application proposes a paging method determination device, including:

[0077] A receiving module, configured to receive first indication information sent by a first network device, where the first indication information is used to indicate a first paging method supported by the first network device;

[0078] The receiving module is further configured to, when the terminal device moves into the coverage area of a second network device, receive second indication information sent by the second network device, where the second indication information is used to indicate a second paging method supported by the second network device;

[0079] A processing module, configured to determine a target paging method for receiving a paging message according to the first paging method, the second paging method, and a third paging method corresponding to the terminal device.

[0080] Fifthly, an embodiment of the present application proposes a paging method determination device, including:

[0081] A sending module, configured to send first indication information to a terminal device, where the first indication information is used to indicate a first paging method supported by the first network device;

[0082] A receiving module, configured to receive a first paging message sent by a core network device, where the first paging message includes a third paging method corresponding to the terminal device;

[0083] A processing module, configured to determine a target paging method for sending a paging message according to the first paging method and the third paging method.

[0084] Sixthly, an embodiment of the present application proposes a paging method determination device, including:

[0085] A sending module, configured to send second indication information to a terminal device, where the second indication information is used to indicate a second paging method supported by the second network device;

[0086] A receiving module, configured to receive a second paging message sent by the first network device, where the second paging message includes a third paging method corresponding to the terminal device;

[0087] A processing module, configured to determine a target paging method for sending a paging message according to the second paging method and the third paging method.

[0088] In a seventh aspect, an embodiment of the present application provides a terminal device, which may also be referred to as a terminal, a user equipment (UE), a mobile station (MS), a mobile terminal (MT), etc. The terminal device may be a mobile phone, a smart TV, a wearable device, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, and so on.

[0089] The terminal device includes: a processor and a memory; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory, so that the terminal device executes the method described in the first aspect.

[0090] In an eighth aspect, an embodiment of the present application provides a network device, which may be a base transceiver station (BTS) in a GSM system or a CDMA system, may also be a base station (NodeB, abbreviated as NB) in a WCDMA system, may also be an evolved base station (evolved NodeB, abbreviated as eNB), an access point (AP) or a relay station in an LTE system, or may also be a base station in a 5G system, etc.

[0091] The network device includes: a processor and a memory; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory, so that the terminal device executes the methods described in the second aspect and the third aspect.

[0092] In a ninth aspect, an embodiment of the present application provides a computer-readable storage medium storing a computer program. When the computer program is executed by a processor, the method described in the first aspect to the third aspect is implemented.

[0093] In a tenth aspect, an embodiment of the present application provides a computer program product including a computer program. When the computer program is run, it causes a computer to execute the method described in the first aspect to the third aspect.

[0094] In an eleventh aspect, an embodiment of the present application provides a chip. The chip or chip system includes at least one processor and a communication interface. The communication interface and the at least one processor are interconnected by a line. The at least one processor is configured to run a computer program or instruction to execute the method described in the first aspect to the third aspect. Among them, the communication interface in the chip can be an input / output interface, a pin, a circuit, etc.

[0095] In a possible implementation, the chip or chip system described above in the present application further includes at least one memory storing instructions. The memory can be an internal storage unit of the chip, such as a register, a cache, etc., or a storage unit of the chip (such as a read-only memory, a random access memory, etc.).

[0096] In a twelfth aspect, an embodiment of the present application further provides a paging method determination system, which includes: a terminal device, a first network device, and a second network device; where

[0097] The first network device sends first indication information to the terminal device, and the first indication information is used to indicate a first paging method indicated by the first network device;

[0098] The second network device sends second indication information to the terminal device, and the second indication information is used to indicate a second paging method supported by the second network device;

[0099] When the terminal device is within the coverage area of the first network device, the terminal device determines a target paging method for receiving a paging message according to the first paging method and a third paging method corresponding to the terminal device; or, when the terminal device moves to within the coverage area of the second network device, the terminal device determines the target paging method according to the second paging method and the third paging method;

[0100] In addition, the first network device is further configured to receive a first paging message sent by the core network device. The first paging message includes a third paging method corresponding to the terminal device. Therefore, the first network device determines a target paging method for sending the paging message according to the first paging method and the third paging method.

[0101] In addition, the second network device is further configured to receive a second paging message sent by the first network device. The second paging message includes a third paging method corresponding to the terminal device. Therefore, the second network device determines a target paging method for sending the paging message according to the second paging method and the third paging method.

[0102] Further, the terminal device in this system is configured to execute the method described in the first aspect and any possible design of the first aspect. The first network device is configured to execute the method described in the second aspect and any possible design of the second aspect. The second network device is configured to execute the method described in the third aspect and any possible design of the third aspect.

[0103] It should be understood that the technical solutions of the second aspect to the twelfth aspect of this application correspond to the technical solution of the first aspect of this application. The beneficial effects achieved by each aspect and the corresponding feasible implementation manners are similar and will not be elaborated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0104] Figure 1 It is a system architecture diagram of the communication system provided by an embodiment of this application;

[0105] Figure 2 It is a schematic diagram of the implementation of the paging method provided by an embodiment of this application Figure 1 ;

[0106] Figure 3 It is a schematic diagram of the implementation of the paging method provided by an embodiment of this application Figure 2 ;

[0107] Figure 4 It is a signaling interaction diagram for determining a paging group provided by an embodiment of this application;

[0108] Figure 5 It is a schematic diagram of the implementation of the paging method provided by an embodiment of this application Figure 3 ;

[0109] Figure 6 It is a signaling interaction of the paging method determination method provided by an embodiment of this application Figure 1 ;

[0110] Figure 7 It is a signaling interaction of the paging method determination method provided by an embodiment of this application Figure 2 ;

[0111] Figure 8Signaling interaction for the paging method determination method provided by the embodiments of the present application Figure 3 ;

[0112] Figure 9 Implementation schematic for determining the target paging method provided by the embodiments of the present application Figure 1 ;

[0113] Figure 10 Implementation schematic for determining the target paging method provided by the embodiments of the present application Figure 2 ;

[0114] Figure 11 Structural schematic of the paging method determination device provided by the embodiments of the present application Figure 1 ;

[0115] Figure 12 Structural schematic of the paging method determination device provided by the embodiments of the present application Figure 2 ;

[0116] Figure 13 Structural schematic of the paging method determination device provided by the embodiments of the present application Figure 3 ;

[0117] Figure 14 Structural schematic diagram of the electronic device provided by the embodiments of the present application. Detailed implementation manners

[0118] To facilitate a clear description of the technical solutions of the embodiments of the present application, the following briefly introduces some terms and technologies involved in the embodiments of the present application:

[0119] 1. Terminal device

[0120] The terminal device can be a device that includes a wireless transceiver function and can cooperate with a network device to provide communication services for users. Specifically, the terminal device can refer to a user equipment (UE), an access terminal, a user unit, a user station, a mobile station, a mobile phone, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user device. For example, the terminal device 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 with wireless communication function, a computing device, or other processing devices connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a future 5G network or a network after 5G, etc. Among them, 5G refers to the 5th Generation Mobile Communication Technology, abbreviated as 5G.

[0121] 2. Network device

[0122] The network device can be a device used to communicate with the terminal device. For example, it can be a Base Transceiver Station (BTS) in a Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) communication system, or a Node B (NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an Evolutional Node B (eNB or eNodeB) in an LTE system. Or the network device can be a relay station, an access point, a vehicle-mounted device, a wearable device, and a network-side device in a future 5G network or a network after 5G, or a network device in a future evolved Public Land Mobile Network (PLMN) network, etc.

[0123] The network device involved in the embodiments of the present application may also be referred to as a network device or a Radio Access Network (RAN) device. The RAN device is connected to the terminal device and is used to receive data from the terminal device and send it to the core network device. The RAN device corresponds to different devices in different communication systems. For example, in the 2G system, it corresponds to a base station and a base station controller; in the 3G system, it corresponds to a base station and a Radio Network Controller (RNC); in the 4G system, it corresponds to an Evolutional Node B (eNB); in the 5G system, it corresponds to the access network devices in the 5G system, such as a new radio (NR) access network device (e.g., gNB, central unit CU, distributed unit DU).

[0124] 3. Core network device

[0125] The core network device may be, but is not limited to, a mobile management entity (MME) / serving gateway (SGW), MME, etc., where MME / SGW means that the MME and the SGW are located in one physical entity.

[0126] 4. Network elements in the core network

[0127] In the 5G core network (5G core / new generation core, 5GC / NGC), there are multiple functional units including an Access and Mobility Management Function (AMF) network element, a Session Management Function (SMF) network element, a User Plane Function (UPF) network element, an Authentication Server Function (AUSF) network element, a Policy Control Function (PCF) network element, an Application Function (AF) network element, a unified data management (UDM) network element, a Network Slice Selection Function (NSSF) network element, etc.

[0128] Among them, the AMF network element is mainly responsible for services such as mobility management and access management. Exemplarily, the terminal device can transmit control plane messages to the AMF network element through NG interface 1 (abbreviated as N1).

[0129] 5. RRC Status

[0130] RRC (Radio Resource Control) under 5G includes three RRC states, namely RRC CONNECTED, RRC INACTIVE, and RRC IDLE.

[0131] 6. AS Signaling

[0132] The AS (Access Stratum) protocol refers to the communication protocol between the terminal device and the network device. Correspondingly, the AS signaling is the signaling used for interaction between the network device and the terminal device.

[0133] 7. NAS Signaling

[0134] The NAS (Non-Access Stratum) protocol refers to the communication protocol between the terminal device and the core network device. Correspondingly, the NAS signaling is the signaling used for interaction between the network device and the core network device.

[0135] 8. Other Terms

[0136] In the embodiments of this application, terms such as "first" and "second" are used to distinguish identical or similar items with basically the same functions and roles. For example, the first chip and the second chip are only used to distinguish different chips, and do not limit their order. Those skilled in the art can understand that terms such as "first" and "second" do not limit the quantity and execution order, and the terms "first" and "second" do not necessarily mean different.

[0137] It should be noted that in the embodiments of this application, words such as "exemplary" or "for example" are used to represent examples, illustrations, or explanations. Any embodiment or design solution described as "exemplary" or "for example" in this application should not be construed as being more preferred or having more advantages than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present relevant concepts in a specific manner.

[0138] In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects before and after. "At least one (item)" or a similar expression thereof refers to any combination of these items, including any combination of a single item or multiple items. For example, at least one (item) of a, b, or c can represent: a, b, c, a - b, a - c, b - c, or a - b - c, where a, b, and c can be single or multiple.

[0139] To better understand the technical solution of the present application, based on the above-introduced concepts, the related technologies involved in the present application will be further introduced in detail below.

[0140] Energy conservation and emission reduction are topics that are currently being concerned globally. To achieve the purpose of energy conservation and emission reduction, it is usually required that the device reduces power consumption as much as possible without affecting the business.

[0141] For example, to achieve the purpose of energy conservation and emission reduction, in the current communication system, when the terminal device does not need to communicate with the network device, the terminal device can release the RRC connection, thereby entering the RRC idle state or the RRC inactive state, so that the terminal device can save electric energy and reduce power consumption.

[0142] Among them, after the RRC connection between the terminal device and the network device is released, the core network device can, for example, mark the terminal device as entering the idle state or the inactive state. When it is necessary to send downlink data to the terminal device in the idle state or the inactive state, the core network device first needs to send a paging message to all network devices in the tracking area where the terminal device is located, so that the network device forwards the paging message to the terminal device. Among them, the tracking area includes multiple cells where the terminal device can move freely, and the multiple cells belong to at least one network device.

[0143] Correspondingly, the terminal device in the idle state or the inactive state needs to periodically monitor the paging message, and then respond to the paging message to initiate an RRC connection procedure or an RRC resume procedure to the network device for downlink services. Specifically, when the terminal device enters the working state in response to the paging message, it means that the terminal device is awakened, specifically, the transceiver in the terminal device is awakened so that the terminal device can communicate with the network device subsequently.

[0144] For example, it can be based on the above-introduced content and combined with Figure 1 to introduce the communication system in the present application.Figure 1 This is the system architecture diagram of the communication system provided by the embodiments of this application.

[0145] As Figure 1 shown, the architecture of the communication system includes: multiple network devices, multiple terminal devices, and core network devices.

[0146] Among them, the terminal device is used to access the network device for various services (such as voice service, short message service, Internet service, etc.). For example, Figure 1 the terminal device 1 in

[0147] can access the network device 1 for various services; the terminal device 2 can access the network device 1 or access the network device 2 for various services, and the terminal device 3 can access the network device 2 for various services.

[0148] In addition, each terminal device can move freely within the area covered by the network. When the terminal device is in the idle state or the inactive state, the free movement area where the service network device does not need to be updated is the tracking area (TA) of the terminal device. The TA includes multiple cells where the terminal device can move freely, and the multiple cells are areas covered by at least one network device. The TA of the terminal device can change, that is, the terminal device can have different tracking areas at different times or locations. The terminal device needs to register or update the TA with the core network device so that the core network device can identify the TA where the terminal device is located in the idle state or the inactive state, and then can accurately page the terminal device when it needs to send downlink data to the terminal device.

[0148] Moreover, the terminal device may also move between network devices. For example, in Figure 1 the example of

[0149] assuming that initially, the terminal device 1 is within the coverage area of the network device 1, and the terminal device 1 has established an RRC connection with the network device 1, and then the RRC connection between the terminal device 1 and the network device can be released. Then the terminal device 1 can move, for example, and thus enter the coverage area of the network device 2. Then when paging the terminal device 1, both the network device 1 and the network device 2 need to page the terminal device 1 to increase the possibility of paging the terminal device.

[0149] Among them, the network device is located in the access network and is used to provide wireless access services for the terminal device so that the terminal device can access the corresponding network device for various services. Among them, each network device can provide wireless access services for at least one terminal device. For example, Figure 1 the network device 1 shown in

[0150] Among them, the core network device is located in the core network and is used to manage the mobility of multiple terminal devices, etc. When it is necessary to send downlink data to multiple terminal devices, the downlink data is forwarded to the corresponding terminal devices through multiple network devices.

[0151] In specific implementation, when any terminal device accesses a network device, that is, when communication is carried out between the terminal device and the network device, an RRC connection will be established between the two. When communication is no longer required between the terminal device and the network device, the RRC connection can be released.

[0152] After the RRC connection is released, the terminal device will enter the idle state or the inactive state. When the core network device needs to page the terminal device, the core network device may send a paging message to each network device in the TA where the terminal device is located, so as to page the terminal device. For example, in Figure 1 In the example, assuming that the TA corresponding to terminal device 1 includes network device 1 and network device 2, the core network device can send paging messages to core network device 1 and core network device 2 at the same time, and then network device 1 and network device 2 send paging messages to terminal device 1, so as to accurately page the terminal device.

[0153] After that, the terminal device responds to the paging message and establishes an RRC connection with the network device, and then it can receive downlink data. And it should also be noted that although not shown, Figure 1 the architecture of the shown communication system may also include other devices or network elements.

[0154] After introducing the system architectures of the terminal device, the network device, and the core network device, let's talk about the mechanism of the terminal device periodically listening for paging. Among them, one of the goals of the terminal device periodically listening for paging itself is to avoid the terminal continuously listening for downlink data, thereby saving the power of the terminal device. Although there is such a mechanism of periodically listening for paging, currently, research is still being carried out on optimization schemes for paging in order to further reduce the terminal energy consumption consumed in the paging process.

[0155] Next, combined with Figures 2 to 5 A brief introduction to several possible paging methods will be given, Figure 2 This is the implementation schematic of the paging method provided by the embodiment of the present application Figure 1 , Figure 3 This is the implementation schematic of the paging method provided by the embodiment of the present application Figure 2 , Figure 4 This is the signaling interaction diagram for determining the paging group provided by the embodiment of the present application, Figure 5 This is the implementation schematic of the paging method provided by the embodiment of the present application Figure 3 .

[0156] The first type: The paging method of decoding PDCCH in the PO according to a period

[0157] This paging method can also be called the paging method of directly decoding PDCCH in the PO according to a period. It can be understood as a traditional paging method, or the basic mechanism of paging. First of all, it should be noted that the terminal device in the RRC idle state or the RRC inactive state is mainly in the sleep state, and the main receiver (MR) of the terminal device in the sleep state is turned off.

[0158] As Figure 2 shown, in the paging method introduced currently, the terminal device in the RRC idle state or the RRC inactive state can wake up in its associated PO (paging occasion). For example, the terminal device can wake up the main receiver, so as to listen for paging through the main receiver in the PO.

[0159] Among them, each terminal device has its own associated PO. The calculation of the PO associated with the terminal device is related to parameters such as the ID (identifier) of the terminal device and the paging period. Therefore, multiple terminal devices can share one PO.

[0160] Referring to Figure 2 it can be determined that the PO associated with the terminal device is repeated with the paging cycle (Paging cycle) as the period. Therefore, the terminal device can implement periodic paging listening. Among them, the terminal device can execute the operations introduced in this embodiment within the PO in each of its corresponding paging cycles. Therefore, only the implementation within one paging cycle is taken as an example for introduction in this embodiment.

[0161] When the terminal device listens for paging in the PO, the terminal device can first use P-RNTI (Paging Radio Network Temporary Identifier) to decode the PDCCH, for example.

[0162] Among them, when the core network device needs to page the terminal device, it will instruct the network device to send the PDCCH in the PO associated with the terminal device. Therefore, the terminal device can receive the PDCCH in the PO and use P-RNTI to decode the PDCCH.

[0163] If the decoding is successful, then referring to Figure 2 , the terminal device can receive the paging message (Paging Message) at the corresponding PDSCH resource according to the paging message scheduling information (time-frequency resources, modulation and coding methods, etc.) included in the PDCCH.

[0164] After that, if the terminal device receives a paging message at the PDSCH resource and the paging message contains the ID of the terminal device, it means that the terminal device is paged. Correspondingly, the terminal device can initiate processes such as RRC connection establishment or RRC connection recovery to the network device, so as to respond to the paging message and receive downlink services.

[0165] However, if the terminal device does not detect a PDCCH scrambled with P-RNTI at the PO, or the paging message received at the PDSCH resource does not contain the ID of the terminal device, the terminal device considers itself not to be paged and then continues to return to the sleep state.

[0166] In the paging method introduced currently, since each PO is shared by multiple terminals, in a PO, all associated terminals need to monitor the PDCCH using P-RNTI. And among multiple terminal devices associated with the same PO, as long as one terminal device is paged, then all terminal devices associated with this PO need to further receive the paging message of the PDSCH. For the terminal devices that are not paged among them, this situation belongs to paging false alarm, and the power consumption of these terminal devices receiving the PDSCH also belongs to unnecessary power consumption waste.

[0167] In order to improve the traditional paging method introduced currently, the PEI-supported paging group is introduced to reduce the power consumption of the non-paged terminals, that is, the second paging method to be introduced below.

[0168] Second: Paging method based on PEI

[0169] In this implementation method, on the basis of the traditional paging method introduced above, the PEI technology supporting the paging group is introduced, the terminal devices associated with a PO are grouped, and paging indications are given to the terminal devices in different groups respectively, so as to reduce the paging false alarm probability.

[0170] As Figure 3 shown, the network device can send the PEI at a fixed position before the PO, where the PEI is also a DCI (Downlink Control Information) sent in a PDCCH. Exemplarily, the DCI contains an 8-bit bitmap, and each bit corresponds to a paging group, which is used to indicate whether the terminal devices in this paging group are paged.

[0171] Exemplarily, when the bit in the PEI is 1, it can indicate that the terminal device in the paging packet is paged; when the bit is 0, it can indicate that the terminal device in the paging packet is not paged. Or it can also be the opposite implementation, that is, 0 indicates being paged and 1 indicates not being paged. This embodiment does not limit this.

[0172] Referring to Figure 3 , the terminal device can correspondingly listen for the P-RNTI at the PO, that is, before performing PDCCH decoding, first listen for the PEI at a fixed position before the PO.

[0173] In one case, if the bit of the packet corresponding to the terminal device in the PEI indicates that the terminal device in the packet is paged, then the terminal device can listen for the PO according to the first paging method introduced above, that is, use the P-RNTI to decode the PDCCH, and after successful decoding, receive the paging message at the PDSCH resource indicated by the PDCCH.

[0174] In another case, if the bit of the packet corresponding to the terminal device in the PEI indicates that the terminal identification in the packet is not paged, then the terminal device considers that it will not be paged, so it can return to the sleep state. This also avoids the additional power consumption brought by decoding the PDCCH and receiving the PDSCH.

[0175] The implementation of the PO and the paging cycle in the current method is similar to that introduced above, so it will not be elaborated here.

[0176] Next, in combination with Figure 4 the implementation manner of determining the paging packet of the terminal device will be introduced. In this embodiment, the main AMF network element participates in paging processing in the core network device. Therefore, in Figure 4 the actions of the core network device are described with the AMF network element as the main body, and in Figure 4 the actions of the terminal device are described with the UE as the main body. However, it should be understood that Figure 4 in the examples of , the AMF network element can also be correspondingly replaced by the core network device, and the UE can be correspondingly replaced by the terminal device.

[0177] As Figure 4 shown, the method includes:

[0178] S401. The UE and the AMF network element negotiate the core network packet of the UE.

[0179] In this embodiment, there are two dimensions of packets for the paging packet of the UE. One dimension is the packet given by the core network device to the UE, which is referred to as the core network packet of the UE in this embodiment. The other dimension is the packet determined by the network device based on the UE ID, which is referred to as the packet based on the UE ID in this embodiment.

[0180] Among them, the UE negotiates with the core network device for the core network packet of the UE. Corresponding to the current step, the UE can negotiate with the AMF network element for the core network packet of the UE, for example. Exemplarily, there can be at most 8 groups of core network packets, which are sequentially represented as Packet 0 to Packet 7.

[0181] S402. The network device sends the PEI configuration to the UE.

[0182] Exemplarily, the network device can send the PEI configuration to the UE in a broadcast manner. By sending the PEI configuration to the UE, the network device informs the UE of the following two parameters: the number of packets of the core network packet and the number of packets based on the UE ID.

[0183] In one implementation, the PEI configuration may include, for example, the total number of packets supported by the PO and the number of packets based on the UE ID. Among them, the total number of packets minus the number of packets based on the UE ID is equal to the number of packets of the core network packet.

[0184] S403. When the AMF needs to page the UE, the AMF sends the core network packet of the UE to the network device.

[0185] S404. The UE and the network device determine the paging packet of the UE according to the core network packet of the UE and the PEI configuration.

[0186] It can be understood that after the network device receives the core network packet of the UE sent by the AMF, the network device masters the following information: the core network packet of the UE, the packet based on the UE ID of the UE, the number of packets of the core network packet, and the number of packets based on the UE ID.

[0187] And after the UE and the AMF negotiate, the UE can determine the core network packet of the UE; through the PEI configuration broadcast by the network device, the UE can determine the number of packets of the core network packet and the number of packets based on the UE ID. At the same time, the UE can calculate a unique packet based on the UE ID based on its own UE ID.

[0188] Therefore, based on the interaction process introduced above, the UE and the network device can master the same information. After that, the UE and the network device can respectively determine the paging packet of the UE through a preset packet determination rule. Because the input information is the same and the packet determination rule is also the same, the UE and the network device will determine the same paging packet.

[0189] After that, the network device generates and sends a PEI based on the paging packet of the UE to indicate whether the paging packet corresponding to the UE is paged. Correspondingly, the UE can receive and parse the PEI based on the paging packet of the UE to determine whether its paging packet is paged.

[0190] Next, the possible implementation methods of the grouping determination rule are introduced as follows:

[0191] First, the following two parameters are described:

[0192] - subgroupsnumperpo: The total number of core network groups (if any) and UE ID-based groups (if any) supported in a PO. This parameter can be broadcast in the system information and corresponds to the total number of groups introduced above.

[0193] - subgroupsNumForUEID: The number of UE-ID-based groups in the PO. This parameter is also broadcast in the system information and corresponds to the number of UE ID-based groups introduced above.

[0194] Based on this, the grouping determination rule can be as follows:

[0195] Case 1: If subgroupsNumForUEID is not present in the subgroup configuration (subgroupConfig), and the core network group of the UE is available to the UE, then the core network group of the UE is used as the paging group in the cell.

[0196] Case 2: If both subgroupsNumPerPO and subgroupsNumForUEID are configured in subgroupConfig, and the value of subgroupsNumForUEID is the same as the value of subgroupsNumPerPO, then the UE ID-based group of the UE is used as the paging group in the cell.

[0197] Case 3: If both subgroupsNumPerPO and subgroupsNumForUEID are configured in subgroupConfig, and subgroupsNumForUEID < subgroupsNumPerPO, then it is further divided into the following cases:

[0198] - If the core network group of the UE is available to the UE, then the core network group of the UE is used as the paging group in the cell.

[0199] - If the core network group of the UE is not available to the UE, then the UE ID-based group of the UE is used as the paging group in the cell.

[0200] Case 4: If the UE does not have a core network group or does not support a core network group, and subgroupsNumForUEID is not configured, then the UE directly listens to the PO.

[0201] The above introduced the relevant implementation of the paging method based on PEI. Next, the last paging method will be introduced.

[0202] Third, the paging method based on WUS

[0203] In this implementation method, further consideration is given to introducing a low-power wake-up signal (Wake Up Signal, WUS) / wake-up receiver (Wake Up Receiver, WUR). That is, WUS / WUR is introduced before PO. For terminal devices that are not paged, the paging reception operation of using the simpler-to-detect WUS to replace the traditional PDCCH detection at PO is used, thereby saving the power consumption of receiving paging.

[0204] For the first traditional paging method introduced above, since the terminal needs to listen for P-RNTI at PO, that is, perform PDCCH decoding, it is necessary to wake up the main receiver before PO. Then, in order to reduce the power consumption of the terminal device, consideration is given to introducing a lower-power receiver, that is, LR (Low power Receiver, low-power receiver) or WUR. This receiver can receive a simpler WUS (possibly only sequence-related, without performing PDCCH decoding), so the power consumption is lower.

[0205] Specifically, the main radio frequency interface corresponding to the main transceiver is mainly used for interactive communication with the network device, obtaining downlink data sent by the core network device through the network device, and receiving complex messages sent by other network devices, etc., and sending data and various other messages to the network device. And it is only used to receive some relatively simple signals, such as WUS, etc. Therefore, the power consumption of WUR is lower than that of MR.

[0206] It can be referred to Figure 5 for understanding that when the terminal device is listening for paging, it only needs to start LR (or WUR) before PO to detect WUS. If WUS is not detected, the terminal device can continue to sleep. If WUS is detected, the terminal device further wakes up MR to listen for paging messages.

[0207] In the paging method introduced currently, for example, WUS can be combined with the above-introduced PEI. Referring to Figure 5 , after the terminal device detects WUS, it wakes up MR. Then, based on MR, it first receives PEI before PO. When PEI indicates that the paging packet of the terminal device is paged, the terminal device then uses P-RNTI to decode PDCCH and receives the paging message at the PDSCH resource indicated by PDCCH.

[0208] Alternatively, the WUS mechanism can also be used alone without combining with the PEI mechanism. For example, referring to Figure 5 , the terminal device can also wake up the MR after detecting WUS. Then, it directly decodes the PDCCH based on the MR, and after successful decoding, receives the paging message at the PDSCH resource indicated by the PDCCH.

[0209] This embodiment does not limit the specific relationship between these two mechanisms. However, generally speaking, both the PEI mechanism and the WUR mechanism can effectively reduce the power consumption of the terminal device for periodic paging monitoring.

[0210] The above introduces multiple possible paging methods. Under the premise of multiple possible paging methods, since the idle-state and inactive-state terminal devices are invisible to the network device in the cell, if the network device uses one paging method to send the paging message, but the terminal device uses another paging method to receive the paging message, it may lead to paging anomalies, or the power consumption of the terminal device for monitoring the paging message is still relatively high.

[0211] Therefore, a reasonable paging process should be designed so that both the terminal device and the network device can know which paging technology should be used for the terminal device currently. At the same time, based on the above introduction, it can be determined that the terminal device will move. For example, it will move from the network device 1 with which the RRC connection has been established to the coverage area of another network device 2. When the terminal device moves into the coverage area of the network device 2, if the terminal device has not established an RRC connection with the network device 2, then the terminal device is invisible to the network device 2.

[0212] At the same time, when paging the terminal device, in addition to the network device 1 that has established an RRC connection with the terminal device needing to page the terminal device, the remaining network devices (such as network device 2) in the paging area also need to page the terminal device to increase the possibility of paging the terminal device.

[0213] Therefore, in addition to the network device with which the terminal device has established an RRC connection needing to know the paging technology used, the remaining network devices in the paging area should also know which paging technology should be used for the terminal device currently to ensure that the terminal device can be correctly paged. There is currently no clear solution and idea for the implementation of the terminal device and the network device to determine the paging technology introduced above.

[0214] Therefore, the present application proposes the following technical concept: The paging configurations of both the terminal device and the network device can be aligned through signaling interaction. Then, based on a preset rule, the terminal device and the network device respectively determine the same paging method according to the aligned paging configurations of both parties. Thus, for the terminal devices in the idle state and the inactive state, the terminal device and the network device can use the same paging method to perform the paging process, so as to avoid the paging anomalies or high power consumption problems introduced above.

[0215] Since the technical solution of the present application involves a first network device and a second network device, the first network device and the second network device will be briefly introduced first.

[0216] In the actual implementation process, since the terminal device may move, for example, it may move from the coverage area of one network device to the coverage area of another network device. In the present application, the network device with which the terminal device has established an RRC connection before moving is referred to as the first network device, or the first network device can also be referred to as the anchor network device. And in the present application, the network device corresponding to the network coverage area where the terminal device is located after moving is referred to as the second network device, that is, the terminal device is located within the coverage area of the second network device after moving.

[0217] Based on the above introduction, first, in combination with Figure 6 the paging method determination method provided by the present application will be introduced. Figure 6 is the signaling interaction of the paging method determination method provided by the embodiments of the present application. Figure 1 .

[0218] As Figure 6 shown, the method includes:

[0219] S601. The first network device sends a first indication message to the terminal device, where the first indication message is used to indicate the first paging method supported by the first network device.

[0220] Among them, the first network device can send a first indication message to the terminal device to inform the terminal device of the paging methods supported by the current first network device. In this embodiment, the paging methods supported by the first network device are referred to as the first paging methods. Among them, the first paging methods supported by the first network device may include one or more paging methods.

[0221] In addition, the "supported by the first network device" in this embodiment can be understood from the following two aspects: on the one hand, from the perspective of the capabilities of the first network device, the paging method that the first network device itself can support in terms of capabilities is called the first paging method. On the other hand, from the perspective of the inclination of the first network device, on the premise that the capabilities of the first network device permit, the paging method that the first network device wants to support (or adopt) according to the current actual situation can be called the first paging method. In the actual implementation process, how to specifically understand "support" can be determined according to actual needs.

[0222] Exemplarily, the first paging method may include at least one of the following: the paging method of parsing PDCCH in the PO, the paging method based on PEI, and the paging method based on WUS. These three paging methods have been introduced in detail in the above embodiments and will not be elaborated here.

[0223] In one implementation, the first network device may send the first indication information to the terminal device in a broadcast manner. Exemplarily, it may be sent through a system broadcast.

[0224] At the same time, it can be understood that since the first indication information is sent in a broadcast manner, the second network device can also receive the first indication information sent by the first network device. Therefore, the second network device can also obtain the first paging method supported by the first network device.

[0225] In addition, the first network device may, for example, only send the first indication information once in a broadcast manner after the paging method is configured, and then no longer send it repeatedly. This implementation can effectively save signaling overhead.

[0226] Alternatively, the first network device may also periodically send the first indication information in a broadcast manner at a preset time interval. Alternatively, the first network device may also send the first indication information to the terminal device each time the terminal device accesses. For the two sending timings of the first indication information introduced above, it can be ensured that the terminal device can learn about the first paging method of the first network device.

[0227] In addition, when the first paging method of the first network device is updated, the first network device may also broadcast and send the first indication information to inform the terminal device and the second network device of the updated first paging method of the first network device.

[0228] In the actual implementation process, the sending moment, or the sending timing, of the first network device sending the first indication information can be selected and set according to actual needs, and this embodiment does not limit this.

[0229] S602. The second network device sends second indication information to the terminal device, where the second indication information is used to indicate the second paging mode supported by the second network device.

[0230] Similar to the above-mentioned first network device, the second network device can also send second indication information to the terminal device to inform the terminal device of the paging modes supported by the second network device currently. In this embodiment, the paging modes supported by the second network device are referred to as the second paging modes. Among them, the second paging modes supported by the second network device can include one or more paging modes.

[0231] Exemplarily, the second paging mode can include at least one of the following: the paging mode of parsing PDCCH in the PO, the paging mode based on PEI, and the paging mode based on WUS. These three paging modes have been introduced in detail in the above embodiments and will not be elaborated here.

[0232] Moreover, the concept of "supported by the second network device" in this embodiment is similar to the concept of "supported by the first network device" above and will not be elaborated here.

[0233] Similarly, the second network device can send the second indication information to the terminal device in a broadcast manner. Then it can be understood that since the second indication information is sent in a broadcast manner, the first network device can also receive the second indication information sent by the second network device. Therefore, the first network device can also obtain the second paging modes supported by the second network device.

[0234] The sending timing of the second indication information by the second network device is similar to the sending timing of the first indication information introduced above and will not be elaborated here.

[0235] S603. The core network device determines the third paging mode corresponding to the terminal device.

[0236] In this embodiment, in order to enable the terminal device and the network device to use the same paging mode to transmit paging messages, it is necessary to ensure that the terminal device and the network device can know the paging modes of both parties.

[0237] Specifically, the terminal device knows the paging modes of the first network device and the second network device, which can be achieved through the steps of S601 and S602 above. Moreover, the first network device and the second network device also need to know the paging mode of the terminal device.

[0238] For any one of the first network device and the second network device, in one implementation, the terminal device can inform the network device of the paging methods supported by the terminal device through signaling interaction. However, after the RRC connection between the terminal device and the network device is released, the network device usually no longer saves the paging methods informed by the terminal device. Therefore, simply informing the network device of the paging methods by the terminal device is unstable.

[0239] Therefore, in this embodiment, the core network device will determine the third paging method corresponding to the terminal device, and the third paging method corresponding to the terminal device can be stably saved in the core network device. When the core network device needs to page the terminal device later, the core network device can inform the network device of the third paging method corresponding to the terminal device, so as to achieve the purpose of the network device knowing the third paging method of the terminal device.

[0240] In one implementation, the third paging method in this embodiment can be the paging methods supported by the terminal device reported by the terminal device. Or, the third paging method in this embodiment can also be the paging method that can be adopted by the terminal device through negotiation between the terminal device and the core network device.

[0241] Similarly, the third paging method corresponding to the terminal device can also include one or more paging methods. Exemplarily, the first paging method can include at least one of the following: the paging method of parsing the PDCCH in the PO, the paging method based on the PEI, and the paging method based on the WUS. These three paging methods have been introduced in detail in the above embodiments and will not be elaborated here.

[0242] It should be noted that this embodiment does not limit the execution order of S601 to S603. For example, S601, S602, and S602 can be executed in sequence; or S602 can be executed first, then S601, and finally S603; and so on. The possible implementation methods of the execution order of these three steps will not be listed here, and the specific execution order of S601 to S603 can be selected according to actual needs.

[0243] S604. The core network device sends a first paging message to the first network device, and the first paging message includes the third paging method corresponding to the terminal device.

[0244] Furthermore, when the core network device needs to page the terminal device, the core network device can send a first paging message to the first network device, and the first paging message is used to page the terminal device. In this embodiment, the first paging message can also include the third paging method corresponding to the terminal device to inform the first network device of the third paging method corresponding to the terminal device.

[0245] The third paging method corresponding to the terminal device carried in the first paging message introduced here is one implementation. In another implementation, when the core network device needs to page the terminal device, the core network device may send a first paging message to the first network device. In addition, the core network device may also send additional notification information to the first network device, where the notification information is used to indicate the third paging method corresponding to the terminal device. In this implementation, the notification information and the first paging message may be two independent messages.

[0246] S605. The first network device sends a second paging message to the second network device, and the second paging message includes the third paging method corresponding to the terminal device.

[0247] After the first network device receives the first paging message sent by the core network device, the first network device can learn the third paging method of the terminal device through the first paging message. However, because the terminal device may move, in addition to the first network device needing to send a paging message to the terminal device, the second network device also needs to send a paging message to the terminal device to ensure that the terminal device can be paged.

[0248] Then both the first network device and the second network device need to determine the third paging method of the terminal device. In one implementation, after learning the third paging method of the terminal device, the first network device may also send a second paging message to the second network device, and the second paging message includes the third paging method corresponding to the terminal device, so that the second network device can also learn the third paging method of the terminal device.

[0249] Among them, the first paging message and the second paging message may be the same, that is, after the first network device receives the first paging message, it directly forwards the first paging message to the second network device. In this embodiment, only the paging message sent to the second network device is called the second paging message.

[0250] Alternatively, the first paging message and the second paging message may also be different, that is, after the first network device receives the first paging message, it may process the first paging message to obtain the second paging message, and then send the second paging message to the second network device.

[0251] The above introduces the implementation of the first network device sending a second paging message to the second network device so that the second network device determines the third paging method of the terminal device.

[0252] In another implementation, since both the first network device and the second network device are network devices within the paging area, the core network device can, for example, send paging messages to all network devices within the paging area. That is to say, the core network device can also send a first paging message to the second network device. The related implementation of the core network device sending the first paging message to the second network device is similar to that of sending the first paging message to the first network device, and will not be elaborated here.

[0253] Based on this implementation, it is also possible to enable the second network device to learn the third paging method of the terminal device. Therefore, the step S605 in this embodiment is optional.

[0254] When the step S605 is executed, the second network device can learn the third paging method of the terminal device by means of notification from the first network device. And the step S606 and the step of the core network device sending the first paging message to the second network device can also be executed simultaneously, so as to ensure that the second network device can learn the third paging method of the terminal device.

[0255] Alternatively, when the step S605 is not executed, the second network device can learn the third paging method of the terminal device by the way of the core network device sending the first paging message to the second network device introduced above.

[0256] In the actual implementation process, which specific strategy is adopted to enable the second network device to learn the third paging method of the terminal device can be selected and set according to actual needs, and this embodiment does not make special limitations on this.

[0257] S605: The terminal device, the first network device, and the second network device all determine the target paging method.

[0258] For the terminal device, the terminal device can learn the first paging method supported by the first network device through the first indication information sent by the first network device. And the terminal device can learn the second paging method supported by the second network device through the second indication information sent by the second network device. And the terminal device can determine the third paging method corresponding to the terminal device. Specifically, whether the terminal device reports the paging method it supports or the terminal device and the core network device negotiate the paging method to be adopted, in short, the terminal device can determine its corresponding third paging method.

[0259] Therefore, the terminal device can determine the target paging method according to the first paging method, the second paging method, and the third paging method.

[0260] For the first network device, the first network device can determine the second paging method supported by the second network device according to the second indication information broadcast by the second network device. And through the first paging message sent by the core network device, the first network device can learn the third paging method corresponding to the terminal device. And the first network device can determine the first paging method it supports.

[0261] For the second network device, the second network device can determine the second paging method supported by the first network device according to the first indication information broadcast by the first network device. And through the second paging message sent by the first network device, the second network device can learn the third paging method corresponding to the terminal device. And the second network device can determine the second paging method it supports.

[0262] Therefore, in this embodiment, the terminal device, the first network device, and the second network device can align the first paging method, the second paging method, and the third paging method with each other. After that, the terminal device, the first network device, and the second network device can respectively determine the target paging method according to the first paging method, the second paging method, and the third paging method.

[0263] Exemplarily, the terminal device can determine the target paging method among the first paging method, the second paging method, and the third paging method according to a preset rule, and then receive the paging message sent by the first network device or the second network device according to the target paging method.

[0264] And the first network device can determine the target paging method among the first paging method, the second paging method, and the third paging method according to the same preset rule, and then send a paging message to the terminal device according to the target paging method. The same applies to the second network device.

[0265] Because the terminal device, the first network device, and the second network device align the first paging method, the second paging method, and the third paging method with each other, and at the same time determine the target paging method based on the same preset rule, it can be ensured that the terminal device and the network device determine the same target paging method. After that, the network device and the terminal device will implement the transmission of the paging message based on the same target paging method, so as to ensure that the terminal device can correctly receive the paging, and when the target paging method has the effect of saving power consumption, it can also ensure that the effect of saving power consumption can be normally exerted.

[0266] Based on the introduction of the above embodiments, it can be determined that there are two different implementations for the core network device to determine the third paging method corresponding to the terminal device. The following will further introduce the specific steps of these two implementations respectively.

[0267] One implementation is that the terminal device can directly report the paging methods it supports, and the corresponding third paging method is the paging method supported by the terminal device.

[0268] The following Figure 7 illustrates this situation. Figure 7 is the signaling interaction of the paging method determination method provided by the embodiments of this application. Figure 2 .

[0269] As Figure 7 shown, the method includes:

[0270] S701. The first network device sends first indication information to the terminal device, where the first indication information is used to indicate the first paging method supported by the first network device.

[0271] S702. The second network device sends second indication information to the terminal device, where the second indication information is used to indicate the second paging method supported by the second network device.

[0272] Among them, the implementation manners of S701 and S702 are the same as those of S601 and S602 introduced above, and will not be elaborated here.

[0273] S703. The terminal device sends third indication information to the first network device, and the third indication information is used to indicate the third paging method supported by the terminal device.

[0274] Furthermore, the "core network device determines the third paging method corresponding to the terminal device" introduced in the above embodiments can be implemented through the steps of S703 and S704 in the current embodiment.

[0275] In this embodiment, the terminal device can send third indication information to the first network device. The purpose of the third indication information is to inform the device receiving the third indication information of the third paging method supported by the terminal device. That is to say, the terminal device will report the third paging method it supports through the third indication information.

[0276] In addition, the "supported by the terminal device" in this embodiment can also be understood from the following two aspects: On the one hand, from the perspective of the capabilities of the terminal device, the paging methods that the terminal device itself can support in terms of capabilities are called the third paging methods. On the other hand, from the perspective of the preferences of the terminal device, on the premise that the capabilities of the terminal device permit, the paging methods that the terminal device wants to support (or wants to adopt) according to the current actual situation can be called the third paging methods. In the actual implementation process, how to specifically understand "support" can be determined according to actual needs.

[0277] It can be understood that the terminal device can report relevant uplink data to the first network device only when it establishes an RRC connection with the first network device. Therefore, the terminal device can send the third indication information to the first network device when it is in the RRC connected state.

[0278] In one implementation, for example, the terminal device can send the third indication information to the first network device when it first establishes an RRC connection with the first network device, and then does not repeat the sending. Until the third paging method supported by the terminal device is updated, the terminal device sends the third indication information to the first network device in the RRC connected state again. This implementation can save signaling overhead.

[0279] Alternatively, the terminal device can also send the third indication information to the first network device every time it establishes an RRC connection with the first network device. This implementation can ensure that the third paging method of the terminal device can be effectively reported to the first network device.

[0280] Alternatively, the terminal device can also send the third indication information in response to the request of the first network device. In this embodiment, there is no special limitation on the triggering timing for the terminal device to send the third indication information.

[0281] S704. The first network device sends the third indication information to the core network device. The third indication information is used to indicate the third paging method supported by the terminal device.

[0282] After receiving the third indication information, the first network device can send the third indication information to the core network device again. Similarly, the third indication information is used for the third paging method supported by the terminal device, so as to inform the core network device of the third paging method supported by the terminal device.

[0283] Among them, after receiving the third indication information sent by the terminal device, the first network device can perform relevant processing that the first network device should perform on the second indication information. Then, the processed third indication information is sent to the core network device. In such an implementation, it is the interaction between the terminal device and the first network device, and then the first network device and the core network device interact. Correspondingly, the signaling used for the third indication information sent by the terminal device is the AS signaling.

[0284] Alternatively, the first network device can not perform any processing on the third indication information after receiving the third indication information sent by the terminal device. The first network device is only responsible for forwarding the third indication information to the core network device. In such an implementation, it can be understood that the terminal device directly interacts with the core network device to inform the core network device of the third paging method supported by the terminal device. Correspondingly, the signaling used for the terminal device to send the third indication information is the NAS signaling.

[0285] This embodiment does not limit the specific interaction method of the terminal device. In short, it can realize informing the core network device of the third paging method supported by the terminal device.

[0286] Figure 7 The implementation manners of S705 to S707 are the same as those of S604 to S606 introduced above, and will not be elaborated here.

[0287] In this embodiment, the terminal device sends third indication information to the first network device, and then the first network device sends the third indication information to the core network device. Thus, through the third indication information, it can effectively realize informing the core network device of the third paging method supported by the terminal device.

[0288] Another implementation is that the terminal device informs the core network device of the paging method it supports, and then the core network device and the terminal device negotiate the paging method adopted by the terminal device based on the paging method supported by the terminal device. In this embodiment, the paging method supported by the terminal device is called the fourth paging method, and the paging method negotiated by the terminal device and the core network device is called the third paging method.

[0289] Next, in combination with Figure 8 this situation will be described, Figure 8 which is the signaling interaction of the paging method determination method provided by the embodiment of the present application Figure 3 .

[0290] As Figure 8 shown, the method includes:

[0291] S801. The first network device sends first indication information to the terminal device, where the first indication information is used to indicate the first paging method supported by the first network device.

[0292] S802. The second network device sends second indication information to the terminal device, where the second indication information is used to indicate the second paging method supported by the second network device.

[0293] Among them, the implementation manners of S801 and S802 are the same as those of S601 and S602 introduced above, and will not be elaborated here.

[0294] S803. The terminal device sends fourth indication information to the core network device, and the fourth indication information is used to indicate the fourth paging method supported by the terminal device.

[0295] Further, the "core network device determines the third paging method corresponding to the terminal device" introduced in the above embodiment can be implemented through the steps of S803 and S804 in the current embodiment.

[0296] In this embodiment, the terminal device may send fourth indication information to the core network device, where the purpose of the fourth indication information is to inform the core network device of the supported fourth paging method. The fourth indication information here is similar to the second indication information introduced in the above embodiment, so the fourth indication information will not be elaborated in this embodiment.

[0297] However, it should be noted that in this embodiment, the terminal device directly interacts with the core network device to send the fourth indication information to inform the core network device of the supported fourth paging method of the terminal device. Therefore, the signaling used by the terminal device to send the fourth indication information is NAS signaling.

[0298] Furthermore, in addition to indicating the fourth paging method, the fourth indication information can also indicate, for example, the preference selection of the terminal device. For example, if the supported fourth paging methods of the terminal device include multiple types, and the terminal device prefers to use one or several of these multiple paging methods to receive paging messages, the preference of the terminal device can be indicated through the fourth indication information.

[0299] S804. The core network device sends first configuration information to the terminal device, and the first configuration information is used to indicate the third paging method corresponding to the terminal device.

[0300] After receiving the fourth indication information sent by the terminal device, the core network device can determine the supported fourth paging method of the terminal device. Further, when the fourth indication information indicates the preference selection of the terminal device, the core network device can also determine, for example, the paging method preferred by the terminal device among the fourth paging methods.

[0301] After that, the core network device can determine, for example, among the supported fourth paging methods of the terminal device, the third paging method that allows the terminal device to use, or designates the terminal device to use, which is correspondingly the third paging method corresponding to the terminal device in this embodiment.

[0302] In one implementation manner, after the core network device learns about the supported fourth paging methods of the terminal device, if it determines that all these fourth paging methods allow the terminal device to use, then the core network device may send first configuration information to the terminal device. The first configuration information may be, for example, a confirmation message, and the confirmation message is used to indicate the confirmation of the fourth paging method. That is to say, the core network device can directly determine the supported fourth paging methods of the terminal device as the third paging method, and through the first configuration information (such as a confirmation message), inform the terminal device that the supported fourth paging methods of it are all used as the negotiated third paging methods.

[0303] In another implementation, in addition to being able to learn the fourth paging method supported by the terminal device, the core network device can also learn the preference of the terminal device. If the core network device determines that at least one paging method preferred by the terminal device allows the terminal device to use, then the core network device can send first configuration information to the terminal device. The first configuration information can be, for example, an acknowledgment message, and the acknowledgment message is used to indicate the acknowledgment of at least one paging method preferred by the terminal device. That is to say, the core network device determines at least one paging method preferred by the terminal device as the third paging method, and through the first configuration information (such as an acknowledgment message), informs the terminal device that at least one paging method it prefers is used as the negotiated third paging method.

[0304] In another implementation, when the core network device learns the third paging method supported by the terminal device, and can also learn the preference of the terminal device, the core network device can refer to these data, select at least one paging method that allows (or indicates) the terminal device to use from the fourth paging methods supported by the terminal device, and then use at least one paging method selected from the fourth paging methods as the negotiated third paging method. And the core network device can indicate the third paging method through the first configuration information to implement the negotiation of the third paging method between the core network and the terminal device.

[0305] Figure 8 The implementation manners of S805 to S807 are the same as those of S604 to S606 introduced above, and will not be elaborated here.

[0306] In this embodiment, the terminal device sends a fourth indication message to the core network device, and then the core network device selects at least one paging method from the fourth paging methods supported by the terminal device according to the fourth indication message reported by the terminal device, and uses the selected paging method as the third paging method negotiated between the terminal device and the core network, and then informs the terminal device through the first configuration information, so that the negotiation of the third paging method between the terminal device and the core network device can be realized.

[0307] And in the current embodiment, since the paging packet of the above-mentioned PEI is determined by the core network device, the terminal device and the core network device directly interact so that the core network device determines the third paging information corresponding to the terminal device, which is beneficial for the coordinated use of WUS and PEI, for example, it can reduce signaling overhead and / or reduce implementation difficulty, etc.

[0308] Based on the various situations introduced in the above embodiments, the first indication information sent by the network device will be further described below.

[0309] Among them, the first indication information is used to indicate the first paging method supported by the network device. For example, there are the following two implementation manners for the indication of the first paging method by the first indication information:

[0310] 1. The first indication information includes the first paging method

[0311] In this implementation manner, that is, the first indication information directly indicates the first paging method. Exemplarily, for example, the identification information of the first paging method may be included in the first indication information, so as to achieve the direct indication of the first paging method.

[0312] Among them, the identification information of each paging method may be, for example, pre-negotiated, or may also be dynamically configured. This embodiment does not limit this.

[0313] 2. The first indication information is paging configuration information

[0314] Among them, in order to realize the smooth transmission of paging messages, the network device usually also needs to send paging configuration information to the terminal device. The paging configuration information is used to indicate, for example, the time-frequency resources, scrambling method, etc. of the downlink messages (such as PEI, WUS, etc.) related to paging, so that the terminal device can determine the configuration of the downlink messages related to paging, and then can smoothly receive paging messages. The specific configuration included in the paging configuration message can be selected according to actual needs. This embodiment does not limit this.

[0315] On this basis, because the paging configuration message is used to indicate the configuration of the downlink messages related to paging, when the network device sends the paging configuration messages of certain downlink messages to the terminal device, it can implicitly indicate that the network device supports the paging methods corresponding to these downlink messages. Therefore, in the current implementation manner, the paging configuration information can be used as the first indication information.

[0316] Among them, when the network device supports multiple paging methods, the network device can send multiple paging configuration messages to the terminal device. Therefore, the first indication information may include at least one paging configuration information.

[0317] If the first indication information includes the paging configuration information of WUS, that is, the network device sends the paging configuration information of WUR to the terminal device, it correspondingly implicitly indicates that the network device supports the paging method based on WUS. Therefore, it can be determined that the first paging method includes the paging method based on WUS.

[0318] And, if the first indication information includes the paging configuration information of PEI, that is to say, the network device sends the paging configuration information of PEI to the terminal device, correspondingly, it also implicitly indicates that the network device supports the paging mode based on PEI. Therefore, it can be determined that the first paging mode includes the paging mode based on PEI.

[0319] Among them, the first indication information may include both the paging configuration information of WUS and the paging configuration information of PEI. Therefore, the first paging mode may, for example, simultaneously include the paging mode based on WUS and the paging mode based on PEI.

[0320] For the implementation of indirectly indicating the first paging mode through the paging configuration information, whether the paging mode of "decoding PDCCH in the PO periodically" is included in the first paging mode can be implemented in the following ways.

[0321] In one implementation manner, it can be pre-configured that by default, the network device supports the paging mode of decoding PDCCH in the PO periodically. That is to say, the paging mode of decoding PDCCH in the PO periodically is fixedly included in the first paging mode.

[0322] In another implementation manner, if the terminal device has neither received the paging configuration information of PEI sent by the network device nor received the paging configuration information of WUS sent by the network device, then the terminal device can confirm that the network device supports the paging mode of decoding PDCCH in the PO periodically. That is to say, in this case, the paging mode of decoding PDCCH in the PO periodically is included in the first paging mode.

[0323] Or, a specific downlink information can also be determined for the paging mode of "decoding PDCCH in the PO periodically". When the paging configuration information of this specific downlink information is included in the first indication information, that is to say, when the network device sends the paging configuration message of this specific downlink information to the terminal device, correspondingly, it also implicitly indicates that the network device supports the paging mode of decoding PDCCH in the PO periodically.

[0324] In this embodiment, the first indication information can be used to quickly and accurately indicate the first paging mode through a direct indication method. Or, the paging configuration information can also be determined as the first indication information, so as to indirectly indicate the first paging mode. At the same time, this implementation manner can reuse the paging configuration information sent by the network device to indicate the first paging mode. Therefore, the signaling overhead can be effectively saved.

[0325] The above embodiments introduce the implementation manner in which the first indication information indicates the first paging manner. In fact, the implementation manner in which the second indication information indicates the second paging manner is similar, and thus will not be elaborated here.

[0326] Next, a brief introduction will be given to the implementation manner of the third indication information in this application.

[0327] Among them, the third indication information is used to indicate the third paging manner supported by the terminal device. The indication of the third paging manner by the third indication information may, for example, have the following two implementation manners:

[0328] 1. The third paging manner is included in the third indication information

[0329] In this implementation manner, that is to say, the third indication information directly indicates the third paging manner. Exemplarily, for example, the identification information of the third paging manner may be included in the third indication information, so as to achieve the direct indication of the third paging manner.

[0330] The identification information of each paging manner may, for example, be pre-negotiated or may also be dynamically configured. This embodiment does not limit this.

[0331] 2. The receiver type is included in the third indication information

[0332] For the several paging manners introduced above, it can be understood that there are certain differences in the receivers used for different paging manners. Therefore, the corresponding relationship between the receiver and the paging manner can be determined. Then, by including the receiver type in the third indication information, the indication of the third paging manner can be achieved. The receiver type in this embodiment may include at least one of the following: low-power receiver (LR) and main receiver (MR).

[0333] In one implementation manner, if the receiver type in the third indication information only includes a low-power receiver, since the low-power receiver is required to receive WUS, it can be confirmed that the third paging manner includes: the paging manner based on WUS.

[0334] Or, if the third indication information only includes the main receiver, since the main receiver is required to receive PEI and to receive PDCCH within the PO period, it can be confirmed that the third paging manner includes: the paging manner based on PEI and the paging manner of decoding PDCCH in the PO according to a period.

[0335] Alternatively, if the receiver types in the third indication information include both a low-power receiver and a primary receiver, then combining the two cases introduced above, it can be confirmed that the third paging method includes: a paging method based on WUS, a paging method based on PEI, and a paging method of decoding PDCCH in a PO periodically.

[0336] 3. The third indication information includes parameters associated with the paging method

[0337] Similar to the embodiments introduced above, in order to achieve the smooth transmission of paging messages, the terminal device usually needs to report paging-related parameters to the network device. On this basis, some of the parameters that the terminal device needs to report are associated with specific paging methods. Then, when the terminal device sends certain parameters to the network device, it can implicitly indicate that the terminal device supports the paging methods corresponding to these parameters. Therefore, in the current implementation, the parameters associated with the paging method can be used as the first indication information.

[0338] In this embodiment, the parameters associated with the paging method can be collectively referred to as the first parameters. When the terminal device supports multiple paging methods, the terminal device can send multiple first parameters to the network device. Therefore, the third indication information can include at least one first parameter.

[0339] Exemplarily, this first parameter of the MR wake-up time is associated with the paging method based on WUS. Then, when the third indication information includes the MR wake-up time, that is, when the terminal device sends the MR wake-up time to the network device, it correspondingly implicitly indicates that the terminal device supports the paging method based on WUS. Therefore, it can be determined that the third paging method includes the paging method based on WUS.

[0340] In this embodiment, the third indication information can be used to indicate the third paging method quickly and accurately through a direct indication method. Alternatively, the receiver type can also be included in the third indication information, so as to indirectly indicate at least the third paging method. Alternatively, the first parameters sent by the terminal device can be determined as the third indication information, so as to indirectly indicate the third paging method. At the same time, this implementation method can reuse the first parameters sent by the terminal device to indicate the third paging method. Therefore, the signaling overhead can be effectively saved.

[0341] Furthermore, when sending the third indication information, the terminal device can, for example, send it through UE capability information. Alternatively, any other possible signaling can also be used to send the third indication information, and this embodiment does not make special restrictions on this.

[0342] Based on the above embodiments, additional explanations are required for the paging method of "decoding PDCCH in PO periodically".

[0343] Since the paging method of "decoding PDCCH in PO periodically" is a relatively traditional paging method, for example, it can be set that the network device (or terminal device) natively supports this paging method. Then, this paging method does not need to be additionally indicated in the first indication information (or the second indication information, the third indication information). The network device can also determine that the terminal device supports this paging method. Correspondingly, the terminal device can also determine that the network device supports this paging method. Based on this implementation, signaling overhead can be effectively saved.

[0344] Alternatively, the above-introduced default configuration can also not be set. Then, it can be indicated in the first indication information (or the second indication information, the third indication information) whether the network device (or terminal device) can adopt this paging method. Based on this implementation, flexible configuration of whether the network device (or terminal device) supports the traditional paging method can be achieved.

[0345] This embodiment does not particularly limit the indication method of the traditional paging method, and it can be selected according to actual requirements.

[0346] The above introduced the relevant implementation of the third indication information indicating the third paging method. Actually, for the implementation of the fourth indication information indicating the fourth paging method and the first configuration information indicating the third paging method when the core network designates the terminal device to adopt certain paging methods, it is similar to the implementation of the third indication information. Therefore, the implementation of the fourth indication information and the first configuration information will not be elaborated in this application, and it can refer to the content introduced in the above embodiments.

[0347] Based on the above-introduced content, the implementation methods for the terminal device, the first network device, and the second network device to determine the target paging method will be introduced respectively below.

[0348] Part 1. Implementation of the first network device determining the target paging method

[0349] In one implementation, the target paging method can be determined according to the priority of the paging method.

[0350] Specifically, the first network device can determine the paging method with the highest priority among at least one paging method that exists in both the first paging method and the third paging method as the target paging method.

[0351] Among them, in both the first paging method and the third paging method, it can be ensured that the selected paging method is supported by both the first network device and the terminal device. At the same time, since the priority of the paging method is usually set for some consideration, based on this rule, the optimal paging method for some consideration can be determined as the target paging method on the premise of ensuring that both parties support it, so as to improve the paging effect to a certain extent.

[0352] In one implementation, the priority of multiple paging methods can be referred to Figure 9 to understand Figure 9 the implementation schematic of determining the target paging method provided by this embodiment of the application Figure 1 .

[0353] For example Figure 9 as shown, the priority of multiple paging methods can be: the priority of the paging method based on WUS > the priority of the paging method based on PEI > the priority of the paging method of decoding PDCCH in the PO periodically.

[0354] And referring to Figure 9 , assuming that the first paging method includes the paging method based on WUS and the paging method of decoding PDCCH in the PO periodically, that is, the network device supports these two paging methods.

[0355] And assuming that the third paging method includes: the paging method based on WUS, the paging method based on PEI, and the paging method of decoding PDCCH in the PO periodically, that is, the terminal device can adopt these three paging methods.

[0356] Then in Figure 9 the schematic, it can be determined that the "paging method based on WUS" and the "paging method of decoding PDCCH in the PO periodically" are the paging methods that exist in both the first paging method and the third paging method, and the paging method with the highest priority among these two paging methods is the "paging method based on WUS", so it can be confirmed that the target paging method is the "paging method based on WUS".

[0357] The above Figure 9 example of the priority of the paging method is only one possible implementation. In the actual implementation process, the priority of the paging method can be selected and set according to actual needs, and this embodiment does not limit this. For example, the priority of multiple paging methods can also be any one of the following:

[0358] the priority of the paging method based on WUS > the priority of the paging method of decoding PDCCH in the PO periodically > the priority of the paging method based on PEI;

[0359] The priority of the paging method that decodes PDCCH in the PO by period > the priority of the paging method based on WUS > the priority of the paging method based on PEI;

[0360] The priority of the paging method based on PEI > the priority of the paging method based on WUS > the priority of the paging method that decodes PDCCH in the PO by period;

[0361] The priority of the paging method based on PEI > the priority of the paging method that decodes PDCCH in the PO by period > the priority of the paging method based on WUS;

[0362] The priority of the paging method that decodes PDCCH in the PO by period > the priority of the paging method based on PEI > the priority of the paging method based on WUS.

[0363] Here, a brief introduction to the configuration method of the priority is given again.

[0364] In one implementation, the priority of the paging method can be, for example, pre-set. In this implementation, both the terminal device and the network device will synchronize the pre-set priority of the paging method to ensure that the priorities of both sides are aligned.

[0365] Alternatively, the priority of the paging method can also be, for example, determined by the network device and dynamically configured to the terminal device. For example, the network device can send the second configuration information to the terminal device, where the second configuration information is used to indicate the priority of each paging method.

[0366] Furthermore, whether it is the pre-set priority introduced above or the dynamically configured priority, the priority is often relatively fixed after the configuration. However, on this basis, there is still a situation where the fixed priority needs to be changed. The following introduces this situation.

[0367] In one possible implementation, in addition to being able to inform the terminal device of the supported first paging method through the first indication information introduced above, the first network device can also send the fifth indication information to the terminal device through the unicast signaling, where the fifth indication information is the fifth paging method used by the first network device to instruct the terminal device to receive the paging message. Exemplarily, the unicast signaling can be the RRC release message for the first network device to transfer the terminal device to the inactive state.

[0368] That is to say, the first network device can specify to the terminal device through unicast signaling that the terminal device needs to use the fifth paging method to receive paging messages. When the first network device initiates a targeted indication to the terminal device through unicast signaling, it usually considers the actual situation of the terminal device, the actual situation of the network device, the actual situation of the link, etc., and selects to let the terminal device use the fifth paging method to receive paging messages.

[0369] Because the network device specially instructs the terminal device to use the fifth paging method to receive paging messages through unicast signaling for some consideration, the priority of the fifth paging method can be set to the highest. That is to say, when there is a fifth indication message sent by unicast signaling, the priority of the paging method needs to be updated, and the fifth paging method is determined as the paging method with the highest priority.

[0370] For example, it can be understood with reference to Figure 10 this. Figure 10 The implementation schematic diagram for determining the target paging method provided by the embodiments of this application Figure 2 .

[0371] Exemplarily, assume that the pre-set or dynamically configured priority is Figure 10 the situation shown in 1001, that is, the priority of the paging method is: the priority of the paging method based on WUS > the priority of the paging method based on PEI > the priority of the paging method of decoding PDCCH in the PO periodically.

[0372] At the same time, assume that there is currently a fifth paging method sent by the first network device through unicast signaling, then the fifth paging method can be determined as the paging method with the highest priority. There are the following two implementations for determining the fifth paging method as the paging method with the highest priority:

[0373] In one implementation, on the basis of the original priority, the fifth paging method can be determined as the paging method with the highest priority by increasing the priority of the fifth paging method. For example, as shown in reference to 1002, on the basis of the original priority: "the priority of the paging method based on WUS > the priority of the paging method based on PEI > the priority of the paging method of decoding PDCCH in the PO periodically", increase the priority of the "paging method based on PEI", so as to obtain the priority shown in 1002: the paging method based on PEI > the priority of the paging method based on WUS > the priority of the paging method based on PEI > the priority of the paging method of decoding PDCCH in the PO periodically.

[0374] Continue to refer to Figure 10For the example, it can be determined that the "paging method based on WUS" and the "paging method of decoding PDCCH in the PO periodically" are paging methods that exist in both the first paging method and the third paging method. And for the updated paging method shown in 1002, the paging method with the highest priority among these two paging methods is still the "paging method based on WUS", so it can be confirmed that the target paging method is the "paging method based on WUS".

[0375] In another implementation, based on the original priority, the fifth paging method can be determined as the paging method with the highest priority by adopting the form of moving the priority of the fifth paging method. For example, referring to what is shown in 1003, based on the original priority: "the priority of the paging method based on WUS > the priority of the paging method based on PEI > the priority of the paging method of decoding PDCCH in the PO periodically", the priority of the "paging method based on PEI" is moved to determine it as the paging method with the highest priority, so as to obtain the priority shown in 1003: the paging method based on PEI > the priority of the paging method based on WUS > the priority of the paging method of decoding PDCCH in the PO periodically.

[0376] Continue to refer to Figure 10 For the example, it can be determined that the "paging method based on WUS" and the "paging method of decoding PDCCH in the PO periodically" are paging methods that exist in both the first paging method and the third paging method. And for the updated paging method shown in 1002, the paging method with the highest priority among these two paging methods is the "paging method of decoding PDCCH in the PO periodically", so it can be confirmed that the target paging method is the "paging method of decoding PDCCH in the PO periodically".

[0377] Comparing the two priority update methods introduced above, it can be determined that the first method (that is, the implementation method using the increasing form) can still, as much as possible, determine the paging method with a higher priority in the original priority as the target paging method when the terminal device and the first network device do not both support the fifth paging method, so as to improve the paging effect.

[0378] Part Two: Implementation of the Second Network Device Determining the Target Paging Method

[0379] In one implementation, the target paging method can be determined according to the priority of the paging method.

[0380] Specifically, the second network device can determine the paging method with the highest priority among at least one paging method that exists in both the second paging method and the third paging method as the target paging method.

[0381] Among them, in both the second paging method and the third paging method, it can be ensured that the selected paging method is supported by both the second network device and the terminal device. At the same time, since the priority of the paging method is usually set for some consideration, based on this rule, the optimal paging method for some consideration can be determined as the target paging method on the premise of ensuring that both parties support it, so as to improve the paging effect to a certain extent.

[0382] The related implementation of the priority of the paging method and the implementation of the second network device determining the target paging method according to the priority of the paging method are similar to the implementation of the first network device introduced above. The difference is that the first paging method of the first network device is replaced by the second paging method of the second network device, which will not be elaborated here.

[0383] Part Three: Implementation of the Terminal Device Determining the Target Paging Method

[0384] Since the terminal device in the technical solution of this application involves movement, when the terminal device determines the target paging method, the following two situations need to be distinguished: The first situation is that the terminal device is within the coverage area of the first network device, and the other situation is that the terminal device is within the coverage area of the second network device. The implementation methods for determining the target paging method in these two situations will be introduced separately below.

[0385] Situation 1: The terminal device is within the coverage area of the first network device.

[0386] Similar to the above introduction, the terminal device can also determine the target paging method according to the priority of the paging method.

[0387] Specifically, the terminal device can determine the paging method with the highest priority among at least one paging method that exists in both the first paging method and the third paging method as the target paging method.

[0388] Among them, the existence in both the first paging method and the third paging method can ensure that the selected paging method is supported by both the first network device and the terminal device. At the same time, since the priority of the paging method is usually set for some consideration, based on this rule, the optimal paging method for some consideration can be determined as the target paging method on the premise of ensuring that both parties support it, so as to improve the paging effect to a certain extent.

[0389] The related implementation of the priority of the paging method and the implementation of the terminal device determining the target paging method according to the priority of the paging method are similar to the implementation of the first network device introduced above, which will not be elaborated here.

[0390] Situation 2: The terminal device is within the coverage area of the second network device.

[0391] Similar to the above introduction, the terminal device can also determine the target paging mode according to the priority of the paging modes.

[0392] Specifically, the terminal device can determine, as the target paging mode, the paging mode with the highest priority among at least one paging mode that exists in both the second paging mode and the third paging mode.

[0393] Among them, the fact that it exists in both the second paging mode and the third paging mode can ensure that the selected paging mode is supported by both the second network device and the terminal device. At the same time, because the priorities of the paging modes are usually set for some considerations, based on this rule, the paging mode that is optimal for some considerations can be determined as the target paging mode on the premise of ensuring that both parties support it, so as to improve the paging effect to a certain extent.

[0394] The related implementation of the priority of the paging mode, and the implementation of the terminal device determining the target paging mode according to the priority of the paging mode are similar to the implementation of the second network device introduced above, and will not be elaborated here.

[0395] On the basis of determining the target paging mode in the three parts introduced above, it should be additionally noted that the first paging mode supported by the first network device and the second paging mode supported by the second network device may not be the same. Then, when determining the target paging mode according to the implementation method introduced above, the target paging modes determined by the first network device and the second network device may not be the same.

[0396] However, this will not affect the correctness of paging, because at the same moment, the terminal device will only be within the coverage area of a certain terminal device. Therefore, it only needs to ensure that the terminal device can correctly receive the paging of the network device in the coverage area where it is located.

[0397] Among them, when the terminal device is within the coverage area of the first network device, based on the implementation method introduced above, the terminal device and the first network device will determine the same target paging mode. Therefore, the terminal device can correctly receive the paging. At this time, although the second network device may determine another target paging mode to page the terminal device, because the terminal device will not receive this paging message, it will not affect the correctness of paging.

[0398] And when the terminal device is within the coverage area of the second network device, based on the implementation method introduced above, the terminal device and the second network device will determine the same target paging mode. Therefore, the terminal device can correctly receive the paging. At this time, although the first network device may determine another target paging mode to page the terminal device, because the terminal device will not receive this paging message, it will not affect the correctness of paging.

[0399] Figure 11 Structural schematic of the paging method determination device provided by the embodiment of the present application Figure 1 As Figure 11 shown, the device 110 includes: a receiving module 1101 and a processing module 1102;

[0400] The receiving module 1101 is configured to receive first indication information sent by a first network device, where the first indication information is used to indicate a first paging method supported by the first network device;

[0401] The receiving module 1101 is further configured to receive second indication information sent by the second network device when the terminal device moves into the coverage area of the second network device, where the second indication information is used to indicate a second paging method supported by the second network device;

[0402] The processing module 1102 is configured to determine a target paging method for receiving a paging message according to the first paging method, the second paging method, and a third paging method corresponding to the terminal device.

[0403] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment, and its implementation principle and technical effect are similar, which will not be elaborated in this embodiment.

[0404] Figure 12 Structural schematic of the paging method determination device provided by the embodiment of the present application Figure 2 As Figure 12 shown, the device 120 includes: a sending module 1201, a receiving module 1202, and a processing module 1203;

[0405] The sending module 1201 is configured to send first indication information to a terminal device, where the first indication information is used to indicate a first paging method supported by the first network device;

[0406] The receiving module 1202 is configured to receive a first paging message sent by a core network device, where the first paging message includes a third paging method corresponding to the terminal device;

[0407] The processing module 1203 is configured to determine a target paging method for sending a paging message according to the first paging method and the third paging method.

[0408] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment, and its implementation principle and technical effect are similar, which will not be elaborated in this embodiment.

[0409] Figure 13 Structural schematic of the paging method determination device provided by the embodiment of the present applicationFigure 3 .like Figure 13 As shown, the device 130 includes: a sending module 1301, a receiving module 1302 and a processing module 1303;

[0410] The sending module 1301 is used to send second indication information to the terminal device, where the second indication information is used to indicate a second paging mode supported by the second network device;

[0411] The receiving module 1302 is configured to receive a second paging message sent by the first network device, where the second paging message includes a third paging method corresponding to the terminal device;

[0412] The processing module 1303 is used to determine a target paging method for sending a paging message according to the second paging method and the third paging method.

[0413] The device provided in this embodiment can be used to execute the technical solution of the above method embodiment. Its implementation principle and technical effect are similar and will not be described in detail in this embodiment.

[0414] Figure 14 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application, wherein the electronic device may be the terminal device, network device or core network device introduced above.

[0415] See also Figure 14 , the electronic device 140 may include: a transceiver 21, a memory 22, and a processor 23. The transceiver 21 may include: a transmitter and / or a receiver. The transmitter may also be referred to as a transmitter, a transmitter, a transmission port, a transmission interface, or similar descriptions, and the receiver may also be referred to as a receiver, a receiver, a reception port, a reception interface, or similar descriptions. Exemplarily, the transceiver 21, the memory 22, and the processor 23 are interconnected via a bus 24.

[0416] The memory 22 is used to store program instructions; the processor 23 is used to execute the program instructions stored in the memory, so as to enable the electronic device to perform any of the above-mentioned paging mode determination methods. Among them, the receiver of the transceiver 21 can be used to perform the receiving function of the electronic device in the above-mentioned paging mode determination method.

[0417] The embodiment of the present application provides a chip. The chip includes a processor, and the processor is used to call a computer program in a memory to execute the technical solution in the above embodiment. Its implementation principle and technical effect are similar to those of the above related embodiments, and will not be repeated here.

[0418] The embodiments of the present application also provide a computer-readable storage medium. The computer-readable storage medium stores a computer program. When the computer program is executed by a processor, the above method is implemented. The methods described in the above embodiments can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. If implemented in software, the functions can be stored on or transmitted over a computer-readable medium as one or more instructions or codes. The computer-readable medium may include a computer storage medium and a communication medium, and may also include any medium that can transfer a computer program from one place to another. The storage medium may be any target medium accessible by a computer.

[0419] In a possible implementation, the computer-readable medium may include RAM, ROM, a compact disc read-only memory (CD-ROM), or other optical disc storage, a magnetic disk storage, or other magnetic storage device, or any other medium targeted to carry the required program code in the form of instructions or data structures and accessible by a computer. Moreover, any connection is properly termed a computer-readable medium. For example, if software is transmitted from a website, server, or other remote source using coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of the medium. As used herein, disk and optical disc include optical disc, laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk, and Blu-ray disc, where disks typically reproduce data magnetically, while optical discs use lasers to optically reproduce data. The above combinations should also be included within the scope of the computer-readable medium.

[0420] The embodiments of the present application provide a computer program product. The computer program product includes a computer program. When the computer program is run, the computer is caused to execute the above method.

[0421] The embodiments of the present application are described with reference to the flowcharts and / or block diagrams of methods, apparatuses (systems), and computer program products according to the embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of flows and / or blocks in the flowcharts and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to the processing unit of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable devices to generate a machine, such that the instructions executed by the processing unit of the computer or other programmable data processing devices generate for implementing in the process Figure 1A process or multiple processes and / or boxes Figure 1 Apparatus for the functions specified in one box or multiple boxes.

[0422] In the above specific embodiments, the object, technical solution and beneficial effects of the present invention have been further described in detail. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solution of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for determining a paging mode, characterized in that, Applied to a terminal device, the method includes: Receiving first indication information sent by a first network device, where the first indication information is used to indicate a first paging mode supported by the first network device; When the terminal device moves into the coverage area of a second network device, receiving second indication information sent by the second network device, where the second indication information is used to indicate a second paging mode supported by the second network device; Determining a target paging mode for receiving a paging message according to the first paging mode, the second paging mode, and a third paging mode corresponding to the terminal device.

2. The method according to claim 1, characterized in that, The third paging mode is a paging mode supported by the terminal device, and the method further includes: Sending third indication information to the first network device, where the third indication information is used to indicate the third paging mode.

3. The method according to claim 1, wherein The third paging mode is a paging mode negotiated between the terminal device and a core network device, and the method further includes: Sending fourth indication information to the core network device, where the fourth indication information is used to indicate a fourth paging mode supported by the terminal device; and Receiving first configuration information sent by the core network device, where the first configuration information is used to indicate the third paging mode, and where the third paging mode is determined by the core network device from the fourth paging mode.

4. The method according to claim 2 or 3, characterized in that, The third indication information includes a receiver type, and the receiver type includes at least one of the following: a low-power receiver and a main receiver; Wherein, the receiver type is used to indicate the third paging mode.

5. The method according to claim 4, characterized in that, If the receiver type only includes the low-power receiver, the third paging mode includes: a paging mode based on a wake-up signal WUS; If the receiver type only includes the main receiver, the third paging mode includes: a paging mode based on a paging early indication PEI and a paging mode of decoding a physical downlink shared channel PDCCH in a paging occasion PO periodically; If the receiver type includes the low-power receiver and the main receiver, the third paging mode includes: a paging mode based on WUS, a paging mode based on PEI, and a paging mode of decoding PDCCH in PO periodically.

6. The method according to any one of claims 2-5, characterized in that, The third indication information includes the third paging mode, and the third paging mode includes at least one of the following: a paging mode based on WUS, a paging mode based on PEI, and a paging mode of decoding PDCCH in PO periodically.

7. The method according to any one of claims 2-6, characterized in that, The third indication information includes a first parameter associated with the paging mode, and the paging mode associated with the first parameter is the third paging mode.

8. The method according to any one of claims 2-7, characterized in that, The third indication information is sent through UE capability information.

9. The method according to any one of claims 1 to 8, characterized in that, When the terminal device is within the coverage area of the first network device, the target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the first paging mode and the third paging mode.

10. The method according to any one of claims 1-8, characterized in that, When the terminal device is within the coverage of the second network device, the target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the second paging mode and the third paging mode.

11. The method according to claim 9 or 10, characterized in that, The priority of the paging mode is pre-configured; or, the priority of the paging mode is indicated by the second configuration information sent by the first network device or the second network device.

12. The method according to any one of claims 1 to 11, characterized in that, The first indication information is sent by the first network device through a broadcast signaling; and, The second indication information is sent by the second network device through a broadcast signaling.

13. The method according to any one of claims 1-12, characterized in that, The method further includes: Receiving fifth indication information sent by the first network device through a unicast signaling, where the fifth indication information is used to indicate a fifth paging mode used by the terminal device to receive a paging message.

14. The method according to claim 13, wherein If there is the fifth indication information sent through a unicast signaling, determining the fifth paging mode as the paging mode with the highest priority.

15. A method for determining a paging mode, characterized in that, Applied to a first network device, the method includes: Sending first indication information to a terminal device, where the first indication information is used to indicate a first paging mode supported by the first network device; Receiving a first paging message sent by a core network device, where the first paging message includes a third paging mode corresponding to the terminal device; Determining a target paging mode for sending the paging message according to the first paging mode and the third paging mode.

16. The method according to claim 15, characterized in that, The third paging mode is a paging mode supported by the terminal device, and the method further includes: Receiving third indication information sent by the terminal device, where the third indication information is used to indicate the third paging mode.

17. The method according to claim 16, wherein The method further includes: Sending the third indication information to the core network device.

18. The method according to claim 15, characterized in that, The third paging mode is a paging mode negotiated between the terminal device and the core network device.

19. The method according to any one of claims 16-18, characterized in that, The third indication information includes a receiver type, and the receiver type includes at least one of the following: a low-power receiver and a main receiver; Wherein, the receiver type is used to indicate the third paging mode.

20. The method according to claim 19, wherein If the receiver type only includes the low-power receiver, the third paging mode includes: a paging mode based on WUS; If the receiver type only includes the main receiver, the third paging mode includes: a paging mode based on PEI and a paging mode of decoding PDCCH in a PO periodically; If the receiver type includes the low-power receiver and the main receiver, the third paging mode includes: a paging mode based on WUS, a paging mode based on PEI, and a paging mode of decoding PDCCH in a PO periodically.

21. The method according to any one of claims 16 - 20, characterized in that, The third indication information includes the third paging mode, and the third paging mode includes at least one of the following: a paging mode based on WUS, a paging mode based on PEI, and a paging mode of decoding PDCCH in a PO periodically.

22. The method according to any one of claims 16 - 21, characterized in that, The third indication information includes a first parameter associated with the paging mode, and the paging mode associated with the first parameter is the third paging mode.

23. The method according to any one of claims 16-22, characterized in that, The third indication information is sent through UE capability information.

24. The method according to any one of claims 15 - 23, characterized in that The target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the first paging mode and the third paging mode.

25. The method according to claim 24, characterized in that, The priority of the paging mode is pre-configured; or, The method further includes: Sending second configuration information to the terminal device, where the second configuration information is used to indicate the priority of the paging mode.

26. The method according to any one of claims 15 - 25, characterized in that, The method further includes: Fifth indication information sent to the terminal device via unicast signaling, where the fifth indication information is used to indicate the fifth paging mode used by the terminal device to receive paging messages.

27. The method according to claim 26, wherein If there is the fifth indication information sent via unicast signaling, then determine the fifth paging mode as the paging mode with the highest priority.

28. The method according to any one of claims 15-27, characterized in that, After receiving the first paging message sent by the core network device, the method further includes: Sending a second paging message to a second network device, where the second paging message includes the third paging mode corresponding to the terminal device.

29. The method according to claim 28, wherein The second paging message further includes the fifth paging mode indicated by the fifth indication information.

30. A method for determining a paging mode, characterized in that, Applied to a second network device, the method includes: Sending second indication information to the terminal device, where the second indication information is used to indicate the second paging mode supported by the second network device; Receiving the second paging message sent by the first network device, where the second paging message includes the third paging mode corresponding to the terminal device; Determine a target paging mode for sending paging messages according to the second paging mode and the third paging mode.

31. The method according to claim 30, wherein The target paging mode is the paging mode with the highest priority among at least one paging mode that exists in both the second paging mode and the third paging mode.

32. The method according to claim 31, wherein The priority of the paging mode is pre-configured; or, The method further includes: Sending second configuration information to the terminal device, where the second configuration information is used to indicate the priority of the paging mode.

33. The method according to any one of claims 30 - 32, characterized in that, The second paging message further includes a fifth paging mode, where the fifth paging mode is the paging mode that the first network device instructs the terminal device to use via unicast signaling.

34. The method according to claim 33, characterized in that, If the second paging message includes the fifth paging mode, then determine the fifth paging mode as the paging mode with the highest priority.

35. A terminal device, characterized in that, Includes: A processor and a memory; The memory stores computer execution instructions; The processor executes the computer execution instructions stored in the memory, so that the terminal device executes the method according to any one of claims 1-14.

36. A network device, characterized in that, Includes: A processor and a memory; The memory stores computer execution instructions; The processor executes the computer execution instructions stored in the memory, so that the network device executes the method according to any one of claims 15-34.

37. A computer-readable storage medium storing a computer program, characterized in that, The computer program, when executed by a processor, implements the method according to any one of claims 1-34.

38. A computer program product, characterized in that, Includes a computer program, when the computer program runs, it causes a computer to execute the method according to any one of claims 1-34.

39. A paging method determination system, characterized in that, Includes: A terminal device, a first network device, and a second network device; where, The first network device sends first indication information to the terminal device, and the first indication information is used to indicate a first paging manner indicated by the first network device; The second network device sends second indication information to the terminal device, and the second indication information is used to indicate a second paging manner supported by the second network device; When the terminal device is within the coverage area of the first network device, the terminal device determines a target paging manner for receiving a paging message according to the first paging manner and a third paging manner corresponding to the terminal device; or when the terminal device moves to within the coverage area of the second network device, the terminal device determines the target paging manner according to the second paging manner and the third paging manner.

40. The system according to claim 39, wherein The terminal device is configured to execute the method according to any one of claims 1-14; the first network device is configured to execute the method according to any one of claims 15-29; the second network device is configured to execute the method according to any one of claims 30-34.

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