WO2021238766A1 - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
WO2021238766A1
WO2021238766A1 PCT/CN2021/094897 CN2021094897W WO2021238766A1 WO 2021238766 A1 WO2021238766 A1 WO 2021238766A1 CN 2021094897 W CN2021094897 W CN 2021094897W WO 2021238766 A1 WO2021238766 A1 WO 2021238766A1
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WO
WIPO (PCT)
Prior art keywords
network device
terminal device
network
paging
cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/094897
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English (en)
French (fr)
Inventor
耿婷婷
吴烨丹
严乐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP21812692.8A priority Critical patent/EP4145923B1/en
Publication of WO2021238766A1 publication Critical patent/WO2021238766A1/zh
Priority to US17/994,567 priority patent/US12452837B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18563—Arrangements for interconnecting multiple systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • This application relates to the field of wireless communication technology, and in particular to a communication method and device.
  • the terminal device When the terminal device is in radio resource control (radio resource control, RRC)_idle state (IDLE) or RRC_inactive state (INACTIVE), the connection between the terminal device and the access network device is in a disconnected state. At this time, if there is data on the network side that needs to be sent to the terminal device, the terminal device will be contacted through a paging message. After the terminal device receives the paging message, it will establish a connection with the access network device for data transmission.
  • radio resource control radio resource control
  • the core network device will send paging to all the access network devices included in the TA list based on the tracking area (TA) list of the terminal device Message, these access network devices page the terminal device in the cell under their management.
  • TA tracking area
  • the core network device will directly send the data to the anchor point access network device of the terminal device, and then the anchor point access network device Based on the radio access network notification area (RNA) information of the terminal device, the device sends a paging message to all access network devices included in the RNA, and these access network devices are in the cell they manage Paging the terminal device in the middle.
  • RNA radio access network notification area
  • NTN non-terrestrial networks
  • TN terrestrial networks
  • TAC tracking area code
  • RANAC radio access network area code
  • a communication method and device in the embodiments of the present application are used to provide a paging mechanism in a mixed deployment scenario of an NTN network and a TN network, so as to reduce paging signaling overhead and improve paging efficiency.
  • the embodiments of the present application provide a communication method, which may be executed by a first network device, or may be executed by a component (such as a chip or a circuit) configured in the first network device.
  • the description will be made by taking the method executed by the first network device as an example.
  • the method may include: a first network device generates a paging message, the paging message is used to page a terminal device, the paging message includes first indication information, and the first indication information indicates that the paging range includes a non-terrestrial network NTN Cell and/or terrestrial network TN cell; the first network device sends a paging message to the second network device.
  • the network device can determine a reasonable paging area based on the paging range, and the paging range can be determined based on the type information or capability information of the terminal device, thereby avoiding sending paging in areas not supported by the terminal device. Paging message, effectively reducing the overhead of paging signaling.
  • the first indication information when the paging range indicated by the first indication information includes NTN cells, the first indication information may also indicate that the paging range includes high-orbit GEO satellite cells, low-orbit LEO satellite cells, and One or more of the high-altitude platform HAPS cells.
  • the method may further include: the first network device obtains capability information of the terminal device, and the capability information is used to determine whether the terminal device supports an NTN cell and/or a TN cell. In this way, when the first network device initiates a paging for the terminal device, it is convenient to determine a reasonable paging area according to the capability information of the terminal device.
  • the capability information can also be used to determine that the terminal device supports one or more of GEO satellite cells, LEO satellite cells, and HAPS cells.
  • the first network device may also send second indication information to the terminal device, where the second indication information is used to indicate that the area to which the paging configuration information applies includes NTN cells and/or TN In a cell, the paging configuration information may be tracking area TA information or radio access network notification area RNA information.
  • the network configures the terminal equipment with the corresponding area range where the paging configuration information is applicable, so that when the terminal equipment moves out of the area where the paging configuration information is applicable, the terminal equipment can trigger the tracking area update (tracking area update) in time.
  • area update TAU
  • RNAU radio access network notification area
  • the second indication information may also indicate that the area to which the paging configuration information is applicable includes GEO satellite cells.
  • GEO satellite cells One or more of LEO satellite cell and HAPS cell.
  • the first network device may be a core network device, and the second network device may be an access network device; or, the first network device and the second network device may both be access network devices.
  • Network access equipment may be a core network device, and the second network device may be an access network device; or, the first network device and the second network device may both be access network devices.
  • the embodiments of the present application can be applied to the scenario where the core network device initiates paging (ie CN paging), and can also be applicable to the scenario where the access network device initiates paging (ie RAN paging).
  • the method may further include: the first network device receives the context request message from the second network device, The context request message is used to request the user context of the terminal device; the first network device sends a context response message to the second network device, and the context response message includes the capability information of the terminal device; where the first network device is the anchor of the terminal device Point access network equipment, and the second network equipment is another access network equipment that is paged to the terminal equipment.
  • the second network device can obtain the capability information of the terminal device in the above-mentioned manner, so as to know the support status of the terminal device for NTN and TN, thereby facilitating the second network
  • the equipment better provides services for the terminal equipment.
  • the embodiments of the present application provide a communication method, which may be executed by a second network device, or may be executed by a component (such as a chip or a circuit) that can be configured in the second network device.
  • the description will be made by taking the second network device executing the method as an example.
  • the method may include: the second network device receives a paging message from the first network device, the paging message is used to page the terminal device, the paging message includes first indication information, and the first indication information indicates paging
  • the scope includes non-terrestrial network NTN cells and/or terrestrial network TN cells; the second network device determines the cell that needs to page the terminal device according to the first indication information.
  • the first indication information when the first indication information indicates that the paging range includes NTN cells, the first indication information may also indicate that the paging range includes high-orbit GEO satellite cells, low-orbit LEO satellite cells, and high-altitude cells.
  • the platform HAPS cells One or more of the platform HAPS cells.
  • the first network device may be a core network device, and the second network device may be an access network device; or, the first network device and the second network device may both be access network devices. equipment.
  • the method may further include: the second network device sends a context request message to the first network device, The context request message is used to request the user context of the terminal device.
  • the second network device receives a context response message from the first network device.
  • the context response message includes the capability information of the terminal device; where the first network device is the terminal device’s The anchor point access network device, and the second network device is another access network device that is paged to the terminal device.
  • an embodiment of the present application provides a communication device, which has the function of the first network device in any possible design of the first aspect or the first aspect, or has the function of the second aspect or the first aspect.
  • the device may be a network device or a chip included in the network device.
  • the functions of the aforementioned communication device can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules or units or means corresponding to the aforementioned functions.
  • the structure of the device may include a processing module and a transceiver module, where the processing module is configured to support the device to execute the first aspect or the first network device in any of the first aspects of the design. Corresponding functions, or perform corresponding functions of the second network device in the second aspect or any of the designs of the second aspect.
  • the transceiver module is used to support communication between the device and other communication devices. For example, when the device is a first network device, it can send a paging message to a second network device.
  • the communication device may also include a storage module, which is coupled with the processing module, which stores program instructions and data necessary for the device.
  • the processing module may be a processor
  • the communication module may be a transceiver
  • the storage module may be a memory.
  • the memory may be integrated with the processor or may be provided separately from the processor, which is not limited in this application.
  • the structure of the device includes a processor and may also include a memory.
  • the processor is coupled with the memory, and can be used to execute computer program instructions stored in the memory, so that the device executes the above-mentioned first aspect or any one of the possible design methods of the first aspect, or executes the above-mentioned second aspect or the second aspect. Any one of the possible design methods.
  • the device further includes a communication interface, and the processor is coupled with the communication interface.
  • the communication interface can be a transceiver or an input/output interface; when the device is a chip included in the network device, the communication interface can be an input/output interface of the chip.
  • the transceiver may be a transceiver circuit, and the input/output interface may be an input/output circuit.
  • an embodiment of the present application provides a chip system, including: a processor, the processor is coupled with a memory, the memory is used to store a program or an instruction, when the program or an instruction is executed by the processor , So that the chip system implements the method in any possible design of the first aspect or the first aspect, or implements the method in any possible design of the second aspect or the second aspect.
  • the chip system further includes an interface circuit, which is used to exchange code instructions to the processor.
  • processors in the chip system, and the processors may be implemented by hardware or software.
  • the processor may be a logic circuit, an integrated circuit, or the like.
  • the processor may be a general-purpose processor, which is implemented by reading software codes stored in the memory.
  • the memory may be integrated with the processor, or may be provided separately from the processor, which is not limited in this application.
  • the memory may be a non-transitory processor, such as a read-only memory ROM, which may be integrated with the processor on the same chip, or may be set on different chips.
  • the setting method of the processor is not specifically limited.
  • an embodiment of the present application provides a computer-readable storage medium on which a computer program or instruction is stored.
  • the computer program or instruction executes the first aspect or any one of the first aspect.
  • the embodiments of the present application provide a computer program product.
  • the computer reads and executes the computer program product, the computer executes the first aspect or any one of the possible design methods in the first aspect, Or implement the above-mentioned second aspect or any one of the possible design methods of the second aspect.
  • an embodiment of the present application provides a communication system.
  • the communication system includes a first network device, a second network device, and at least one terminal device.
  • the communication system may also include core network equipment.
  • FIG. 1 is a schematic diagram of a network architecture of a communication system to which an embodiment of this application is applicable;
  • FIG. 2 is a schematic diagram of a scenario of mixed deployment of NTN and TN to which an embodiment of the application is applicable;
  • FIG. 3 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • Figure 4 is a schematic diagram of a scenario where a core network device initiates paging (ie CN paging) in an embodiment of the application;
  • FIG. 5 is a schematic diagram of a scenario where paging (ie, RAN paging) is initiated by an access network device in an embodiment of the application;
  • paging ie, RAN paging
  • Fig. 6 is a schematic diagram of a specific example provided by an embodiment of the application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 8 is another schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 9 is another schematic structural diagram of a communication device provided by an embodiment of this application.
  • GSM global system for mobile communications
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE LTE system
  • FDD frequency division duplex
  • UMTS universal mobile telecommunication system
  • WIMAX worldwide interoperability for microwave access
  • FIG. 1 is a schematic diagram of a network architecture of a communication system to which an embodiment of this application is applicable.
  • the network architecture includes a core network device 110, a radio access network device 120, and at least one terminal device (as shown in FIG. 1 ⁇ terminal equipment 130 and 140).
  • the terminal device is connected to the wireless access network device in a wireless manner
  • the wireless access network device is connected to the core network device in a wireless or wired manner.
  • the core network device and the wireless access network device can be separate and different physical devices, or the function of the core network device and the logical function of the wireless access network device can be integrated on the same physical device, or it can be a physical device It integrates the functions of part of the core network equipment and part of the wireless access network equipment.
  • the communication system shown in FIG. 1 is only a schematic diagram, and the communication system may also include other types of network devices, such as wireless relay devices or wireless backhaul devices, which are not shown in FIG. 1. Although only one terminal device is shown in FIG. 1, it should be understood that the embodiments of the present application do not limit the number of core network devices, wireless access network devices, terminal devices, and wireless backhaul devices included in the communication system. .
  • the radio access network equipment mentioned in the embodiments of this application can correspond to different equipment in different communication systems.
  • a 5G system it corresponds to an access network equipment in 5G, such as gNB
  • 4G system it corresponds to 4G.
  • Access network equipment such as eNB.
  • wireless access network equipment and terminal equipment and between terminal equipment and terminal equipment communication can be carried out through licensed spectrum, or through unlicensed spectrum, or through licensed spectrum and terminal equipment at the same time. Unlicensed spectrum for communication.
  • Communication between wireless access network equipment and terminal equipment, as well as between terminal equipment and terminal equipment can communicate through a spectrum below 6 gigahertz (gigahertz, GHz), or through a spectrum above 6 GHz, and can also use below 6 GHz at the same time
  • the frequency spectrum and the frequency spectrum above 6GHz to communicate.
  • the embodiment of the present application does not limit the spectrum resource used between the radio access network device and the terminal device.
  • NTN may include a satellite communication system, a high altitude platform (HAPS) communication system, or other non-terrestrial communication systems.
  • HAPS high altitude platform
  • FIG. 2 is a schematic diagram of a scenario of mixed deployment of NTN and TN to which the embodiments of this application are applicable.
  • NTN cell 2 is a cell formed by low earth orbit (LEO) satellites receiving and forwarding signals from the base station gNB, that is, LEO satellites provide service coverage areas in a transparent manner.
  • LEO low earth orbit
  • the UE1 can access TN cell 1 shown in Figure 2 but cannot access the NTN cell 2 shown in Figure 2; and for UE2 that can support TN cells and NTN cells, the UE2 can access both TN cells and NTN cells. It can be connected to the TN cell 1 shown in FIG. 2 and it can also be connected to the NTN cell 2 shown in FIG. 2.
  • NTN in FIG. 2 is specifically described using a satellite communication system as an example, but it should be understood that this is only an illustration.
  • the terminal device involved in the embodiments of this application is a device with wireless transceiver function. It can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.) ); It can also be deployed in the air (such as airplanes, balloons, satellites, etc.).
  • the terminal device can communicate with the core network via a radio access network (RAN), and exchange voice and/or data with the RAN.
  • RAN radio access network
  • the terminal device can be a mobile phone (mobile phone), a tablet computer (Pad), a computer with wireless transceiver function, a mobile Internet device (mobile internet device, MID), a wearable device, a virtual reality (virtual reality, VR) terminal device, Augmented reality (AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical, smart grid (smart grid) ), the wireless terminal in transportation safety, the wireless terminal in the smart city, the wireless terminal in the smart home, etc.
  • Terminal equipment may sometimes be referred to as user equipment (UE), mobile station, remote station, etc.
  • the embodiments of the present application do not limit the specific technology, device form, and name used by the terminal equipment.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices or smart wearable devices, etc. It is the general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes Wait.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which need to cooperate with other devices such as smart phones.
  • Use such as all kinds of smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.
  • the terminal device in the embodiments of the present application may also be a vehicle-mounted module, vehicle-mounted module, vehicle-mounted component, vehicle-mounted chip, or vehicle-mounted unit that is built into a vehicle as one or more components or units, and the vehicle passes through the built-in vehicle-mounted module, vehicle-mounted Modules, on-board components, on-board chips, or on-board units can implement the method of the present application.
  • the wireless access network device involved in the embodiment of the present application is a device used to connect terminal devices to the wireless network in the network.
  • the radio access network device may be a node in the radio access network, may also be called a base station, or may also be called a RAN node.
  • the radio access network device refers to a radio access network device deployed on the ground.
  • the radio access network device may be referred to as an access network device for short.
  • the access network equipment may include an evolved base station (NodeB or eNB or e-NodeB, evolutional NodeB) in an LTE system or an evolved LTE system (LTE-Advanced, LTE-A), such as a traditional macro base station eNB and
  • the micro base station eNB in the heterogeneous network scenario may also include the next generation node B (gNB) in the 5G system or the NR system, or may also include the radio network controller (RNC), Node B (Node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), transmission reception point (transmission reception point, TRP), home base station (for example, home evolved NodeB) , Or home Node B, HNB), baseband unit (BBU), baseband pool BBU pool, or wireless fidelity (WiFi) access point (AP), integration of access backhaul (integrated access and backhaul, IAB) nodes, etc., or may also include centralized
  • the network device may be a CU node, or a DU node, or an access network device including a CU node and a DU node.
  • CU nodes can be divided into control plane (CU-CP) and user plane (CU-UP), where CU-CP is responsible for control plane functions, mainly including radio resource control (radio resource control, RRC) and packet data convergence protocol (packet data convergence protocol, PDCP)-C, PDCP-C is mainly responsible for encryption and decryption of control plane data, integrity protection, data transmission, etc.
  • CU-UP is responsible for user plane functions, mainly including service data adaptation protocol (SDAP) and PDCP-U.
  • SDAP service data adaptation protocol
  • SDAP is mainly responsible for processing core network data and mapping flow to bearer.
  • PDCP-U is mainly responsible for data encryption and decryption, integrity protection, header compression, serial number maintenance, data transmission, etc.
  • CU-CP and CU-UP can be connected via E1 interface.
  • CU-CP means CU is connected to the core network through the Ng interface, and connected to the DU through F1-C (control plane).
  • CU-UP is connected to DU through F1-U (user plane).
  • F1-C control plane
  • F1-U user plane
  • PDCP-C is also in CU-UP.
  • the core network equipment involved in the embodiments of this application refers to equipment in a core network (core network, CN) that provides service support for terminal equipment.
  • core network equipment include: access and mobility management function (AMF) entities, session management function (SMF) entities, user plane functions (UPF) Entities etc.
  • AMF access and mobility management function
  • SMF session management function
  • UPF user plane functions
  • the AMF entity is responsible for terminal device access management and mobility management
  • the SMF entity is responsible for session management, such as user session establishment, etc.
  • the UPF entity is a functional entity of the user plane, which is mainly used for connecting to external networks.
  • entity in this application can also be a network element or a functional entity, that is, an AMF entity can also be referred to as an AMF network element or an AMF functional entity, and an SMF entity can also be referred to as an SMF network element or an SMF functional entity.
  • the core network device may refer to the AMF.
  • the satellites involved in the embodiments of the present application refer to network equipment located on the satellite.
  • the "network equipment on the satellite” may be referred to as "satellite” for short.
  • the satellite may be a low-orbit (LEO) satellite, a medium-orbit satellite, or a geostationary earth (GEO) satellite, or other network equipment that moves high in the sky.
  • LEO low-orbit
  • GEO geostationary earth
  • the satellites in the satellite communication system can be divided into three types: high-orbit satellites, low-orbit (LEO) satellites and medium-orbit satellites.
  • high-orbit satellites can also be called geostationary satellites.
  • the high-orbit satellites run at the same speed as the earth's rotation. Therefore, high-orbit satellites remain stationary relative to the ground. Accordingly, the satellite cells formed by high-orbit satellites are also stationary.
  • Low-orbit satellites can also be called low-earth orbit satellites. Low-orbit satellites move faster than the ground. Therefore, satellite cells formed by low-orbit satellites can move with the movement of satellites.
  • Medium-orbiting satellites refer to satellites located between high-orbiting satellites and low-orbiting satellites.
  • the satellite can receive the signal of the wireless access network device and forward the signal to the ground to form a satellite cell, thereby providing service coverage for the terminal device on the ground.
  • the satellite is equivalent to a relay node or transponder. Therefore, this scenario can also be referred to as a transparent form of the satellite.
  • the satellite can generate cell information by itself.
  • the satellite may include network equipment with similar functions such as DU, base station, or IAB. Therefore, this scenario may be referred to as a regenerative form of the satellite.
  • “Multiple” refers to two or more than two. In view of this, “multiple” can also be understood as “at least two” in the embodiments of the present application. "At least one” can be understood as one or more, for example, one, two or more. For example, including at least one means including one, two or more, and it does not limit which ones are included. For example, if at least one of A, B, and C is included, then A, B, C, A and B, A and C, B and C, or A and B and C are included. In the same way, the understanding of "at least one" and other descriptions is similar.
  • Fig. 3 is a schematic flowchart of a communication method provided by an embodiment of this application. The method includes:
  • Step S301 The first network device generates a paging message, the paging message is used to page the terminal device, the paging message includes first indication information, and the first indication information indicates that the paging range includes the NTN cell and/or TN Community.
  • the paging range refers to the sending range of a paging message for terminal equipment, and may also be referred to as a paging area range. It can be understood that the first indication information may indicate three possible paging ranges, that is, the paging range includes only NTN cells, the paging range includes only TN cells, and the paging range includes NTN cells and TN cells.
  • the first indication information may further indicate that the paging range only includes one or more of GEO satellite cells, LEO satellite cells, and HAPS cells, which is used to indicate What type of NTN cells are included in the paging range.
  • the first indication information can be at the identity (ID) level of the public land mobile network (PLMN), that is, it indicates the paging area under each PLMN ID, or it can be a tracking area code. (tracking area code, TAC) level, or radio access network area code (RANAC) level, frequency level, or at least one of cell level, this application Not limited.
  • ID identity
  • PLMN public land mobile network
  • TAC tracking area code
  • RANAC radio access network area code
  • the first indication information may be indicated in an implicit manner.
  • the first indication information may be the frequency band (freqband) information of NTN, that is, when the frequency band information of NTN is included in the paging message, it indicates that the paging range includes the NTN cell.
  • the first indication information may also be indicated in a display manner.
  • the terminal device may support TN cells by default.
  • the first indication information may be a flag bit occupying 1 bit in the paging message. When the value of the flag bit is 1, Indicates that the paging range includes NTN cells, that is, the paging range includes both NTN cells and TN cells.
  • the first indication information may be a flag bit occupying 2 bits in the paging message.
  • the value of the flag bit is "01”, it can indicate that the paging range only includes TN cells.
  • the value of the flag bit is "10”, it may indicate that the paging range only includes NTN cells, and when the value of the flag bit is "11”, it may indicate that the paging range includes both NTN cells and TN cells.
  • the first indication information may also have other indication methods, which will not be listed one by one here.
  • Step S302 The first network device sends a paging message to the second network device.
  • the second network device can receive the paging message from the first network device.
  • Step S303 The second network device determines the cell where the terminal device needs to be paged according to the first indication information.
  • the second network device may determine that the cell that needs to page the terminal device is the NTN cell managed by the second network device, and the second network device may only be in the NTN cell.
  • the paging message is sent in the managed NTN cell, but the paging message is not sent in the TN cell under its management to page the terminal device, so as to achieve the purpose of saving paging signaling resources.
  • the second network device may determine that the cell that needs to page the terminal device is the TN cell managed by the second network device, and the second network device may only be in the TN cell managed by the second network device.
  • the paging message is sent in the cell instead of in the NTN cell it manages to page the terminal device, so as to achieve the purpose of saving paging signaling resources.
  • the second network device can determine that the cells that need to page the terminal device include NTN cells and TN cells managed by the second network device, and the second network device can be in Both the NTN cell and the TN cell managed by it send paging messages to page the terminal device.
  • the terminal device can send an RRC connection establishment/recovery request to the second network device to access the second network device.
  • the second network device can manage one or more NTN cells, or one or more TN cells.
  • One or more NTN cells and one or more TN cells can be managed at the same time, which is not limited in this application.
  • the first network device may also obtain capability information of the terminal device, where the capability information is used to determine whether the terminal device supports an NTN cell and/or a TN cell. If the terminal device supports an NTN cell, the capability information can also be used to determine that the terminal device supports one or more of GEO satellite cells, LEO satellite cells, and HAPS.
  • the capability information may be capability indication information, type information of the terminal device, or frequency information and frequency band information supported by the terminal device.
  • the method for the first network device to obtain the capability information of the terminal device may be that the first network device receives the capability information of the terminal device reported by the terminal device, or it may be that the first network device receives the terminal device from another network device.
  • the capability information of the device for example, the first network device may receive the capability information of the terminal device sent by the core network device, or the first network device may receive the capability information of the terminal device sent by other access network devices. It can be understood that the first network device may also obtain the capability information of the terminal device in other ways, which is not limited in this application.
  • the network device can determine a reasonable and accurate paging area according to the type information or capability information of the terminal device, thereby avoiding sending paging messages in areas not supported by the terminal device, and effectively reducing the overhead of paging signaling .
  • the first network device may be a core network device
  • the second network device may be an access network device.
  • this embodiment corresponds to a scenario where the terminal device is in the RRC_idle state and the core network device initiates paging (ie, CN paging).
  • the access network device refers to the access network device located in the TA information of the terminal device.
  • the TA information may also be referred to as a TA list, and the TA list may include at least one TAC, or at least one PLMN ID and at least one TAC under the PLMN ID.
  • the core network equipment is AMF
  • the access network equipment is gNB1
  • UE1 only supports TN cells
  • UE2 can support NTN cells and TN cells
  • both UE1 and UE2 are in the RRC_idle state.
  • the AMF may send a paging message to each access network device included in the TA list of UE1, and the paging message is specifically a CN paging message.
  • the first indication information in the paging message may be Indicates that the paging range only includes TN cells.
  • the first indication information may be a flag bit occupying 2 bits in the paging message, and the AMF indicates that the paging range only includes TN cells by setting the value of the flag bit to "01". and then.
  • gNB1 can only page UE1 in its managed TN cell. If UE1 receives the paging message, then UE1 can send an RRC connection establishment request to gNB1 to access gNB1.
  • the AMF may send a paging message to each access network device included in the TA information of UE2, and the paging message is specifically a CN paging message.
  • the first indication information in the paging message may be Indicates that the paging range includes NTN cells and TN cells.
  • the first indication information may be a flag bit occupying 2 bits in the paging message, and the AMF indicates that the paging range includes NTN and TN cells by setting the value of the flag bit to "11".
  • gNB1 can page the UE2 in both the NTN cell and the TN cell under its management. If UE2 receives the paging message, then UE2 can send an RRC connection establishment request to gNB1 to access gNB1.
  • the AMF may also configure corresponding TA information for UE1 and UE2 respectively.
  • the TA information may also be referred to as a TA list, which may be understood as a kind of paging configuration information.
  • the TA list may include at least one TAC, or at least one PLMN ID and at least one TAC under the PLMN ID.
  • the first network device and the second network device may both be access network devices.
  • this embodiment corresponds to a scenario where the terminal device is in the RRC_inactive state and the access network device initiates paging (ie, RAN paging). That is, in this scenario, the first network device may be the first access network device, and the second network device may be the second access network device.
  • the first access network device here refers to the service access network device (that is, the service node) before the terminal device enters the RRC_inactive state from the RRC_CONNECTED state (CONNECTED), and the service access network device is also It may be called an anchor access network device or a source network device of the terminal device, and the second access network device refers to an access network device located in the RNA area of the terminal device.
  • UE1 and UE2 are both in the RRC_inactive state
  • the first access network device is the anchor point gNB1 of UE1 and UE2
  • the second access network device is the target gNB2 or target gNB3
  • UE1 only supports TN cells
  • UE2 can support NTN cells and TN cells.
  • the core network device such as AMF
  • the anchor point gNB1 can send paging to other access network devices located in the RNA area of the UE1
  • the paging message is specifically a RAN paging message.
  • the first part of the paging message An indication information may indicate that the paging range only includes TN cells. In this way, the target gNB2 may only page the UE1 in the TN cells it manages. If UE1 receives the paging message sent by the target gNB2, UE1 can send an RRC connection recovery request to the target gNB2 to access the target gNB2. Optionally, the anchor gNB1 can also page the UE1 in the TN cell it manages. If the UE1 receives the paging message sent by the anchor point gNB1, the UE1 may also send an RRC connection recovery request to the anchor point gNB1 to access the anchor point gNB1.
  • the core network device (such as AMF) can directly send the downlink data to the anchor point gNB1, and then the anchor point gNB1 can send a request to other access network devices located in the RNA area of the UE2.
  • the paging message is specifically a RAN paging message.
  • the target gNB3 here refers to one of the access network devices located in the RNA area of UE2
  • the first part of the paging message An indication message may indicate that the paging range includes the NTN cell and the TN cell, so that the target gNB3 can page the UE2 in both the NTN cell and the TN cell it manages. If UE2 receives the paging message sent by the target gNB3, UE2 can send an RRC connection recovery request to the target gNB3 to access the target gNB3.
  • the anchor gNB1 can also page the UE2 in both the NTN cell and the TN cell it manages. If UE2 receives the paging message sent by the anchor point gNB1, UE2 can also send an RRC connection recovery request to the anchor point gNB1 to access the anchor point gNB1.
  • the anchor point gNB1 can also configure corresponding RNA information for UE1 and UE2 respectively.
  • the RNA information can also be called RNA area information or RNA area, or it can be understood as a kind of Paging configuration information.
  • the target gNB2 shown in Figure 5 refers to a gNB in the RNA region corresponding to UE1
  • the target gNB3 refers to a gNB in the RNA region corresponding to UE2.
  • the name is only for illustration, the target gNB2 and the target gNB3 It can be the same gNB or different gNB, which is not limited in this application.
  • the first network device may also send second indication information to the terminal device, where the second indication information indicates that the area to which the paging configuration information applies includes NTN cells and/or TN cells.
  • the paging configuration information may include TA information or RNA information.
  • the first network device is a core network device, and its paging configuration information is TA information; for a UE in the RRC_inactive state, when the first network device is an access network device , Its paging configuration information is RNA information.
  • the second indication information when the second indication information indicates that the area to which the paging configuration information is applicable includes NTN cells, the second indication information may also indicate that the area to which the paging configuration information is applicable includes GEO satellite cells, LEO satellite cells, and HAPS cells. One or more. Similarly, the second indication information may be at least one of PLMN ID level, TAC level, RANAC level, frequency level, or cell level, which is not limited in this application.
  • configuring the applicable area range of the corresponding paging configuration information for the terminal device through the network device can enable the terminal device to trigger the tracking area update in time when the terminal device moves out of the applicable area range of the paging configuration information (tracking area update, TAU) or wireless access network notification area update (radio access network notification area, RNAU), so that the network can learn the location information of the terminal device in time and perform corresponding location management.
  • TAU tracking area update
  • RNAU wireless access network notification area
  • the terminal device when the first network device and the second network device are both access network devices, that is, in the RAN paging scenario, the terminal device is in the RRC_inactive state, and the first network device can also receive data from the second network device.
  • the context request message is used to request the user context of the terminal device, where the first network device refers to the anchor point access network device of the terminal device, and the second network device is another interface paging to the terminal device.
  • Network access equipment the first network device may send a context response message to the second network device, where the context response message includes at least one of the user context of the terminal device, the capability information of the terminal device, and the paging configuration information of the terminal device.
  • the capability information of the terminal device is used to determine whether the terminal device supports an NTN cell and/or a TN cell.
  • the capability information of the terminal device may also be used to determine that the terminal device supports one or more of GEO satellite cells, LEO satellite cells, and HAPS cells.
  • the context response message may also include the first indication information and/or the second indication information described above in this application.
  • FIG. 6 is a specific example of the communication method provided in the embodiment of this application.
  • the UE belongs to the RAN paging scenario, that is, the UE is in the RRC_inactive state.
  • the anchor point gNB1 refers to the gNB that the UE accesses last before entering the RRC_inactive state from the RRC_connected state, and the target gNB2 is in the UE’s Paging to the gNB of the UE in RNA.
  • the UE may report its own capability information to the anchor point gNB1 to notify the anchor point gNB1 that it supports NTN cells and TN cells.
  • the anchor gNB1 can configure the UE to enter the RRC_inactive state, and send paging configuration information to the UE.
  • the anchor point gNB1 may also indicate the area range to which the paging configuration information applies.
  • the paging configuration information specifically refers to RNA information, and the area to which the paging configuration information is applicable may include NTN cells and/or TN cells.
  • the terminal device may default the RNA information to include the NTN cell and the TN cell.
  • the anchor point gNB1 may also send second indication information to the UE, the second indication information indicating that the area to which the RNA information is applicable includes only NTN cells, or only TN cells, or includes both NTN cells and TN cells.
  • the second indication information indicates that the area to which the paging configuration information is applicable only includes NTN cells. In this way, when the UE moves outside the range of the NTN cell indicated in the configured RNA information, the terminal device can perform the RNAU process.
  • the anchor gNB1 may send a paging message to the target gNB2.
  • the paging message includes the first indication information to indicate that the paging range only includes NTN cells.
  • the paging message Specifically, it is the RAN paging message.
  • the target gNB2 here refers to one of the gNBs in the RNA area corresponding to the UE, but it should be understood that when the UE’s downlink data arrives, the anchor point gNB1 can send a message to each gNB in the RNA area corresponding to the UE. Send the above paging message.
  • the target gNB2 can page the UE in the NTN cell it manages.
  • step S603 after the target gNB2 pages the UE, the UE may send an RRC connection recovery request to the target gNB2 to request the recovery of the RRC connection and enter the RRC_CONNECTED state.
  • the target gNB2 may send a context request message to the anchor gNB1 to request the user context of the UE.
  • the anchor gNB1 may send a context response message to the target gNB2.
  • the context response message includes the user context of the UE, and the capability information of the UE, the RNA information of the UE, the first indication information, and the second indication information. One or more of.
  • FIG. 7 is a schematic structural diagram of a communication device provided in an embodiment of this application.
  • the communication device 700 includes a transceiver module 710 and a processing module 720.
  • the communication device can be used to implement the functions related to the network equipment (such as the first network equipment or the second network equipment) in any of the foregoing method embodiments.
  • the communication device may be a network device or a chip or circuit included in the network device.
  • the processing module 720 is configured to generate a paging message, which is used to page the terminal Device, the paging message includes first indication information, and the first indication information indicates that the paging range includes non-terrestrial network NTN cells and/or terrestrial network TN cells; the transceiver module 710 is configured to send paging to the second network device information.
  • the first indication information when the first indication information indicates that the paging range includes NTN cells, the first indication information may also indicate that the paging range includes high-orbit GEO satellite cells, low-orbit LEO satellite cells, and high-altitude platform HAPS cells. One or more of.
  • the transceiver module 710 is also used to obtain capability information of the terminal device, and the capability information is used to determine whether the terminal device supports an NTN cell and/or a TN cell.
  • the capability information can also be used to determine that the terminal device supports one or more of GEO satellite cells, LEO satellite cells, and HAPS cells.
  • the transceiver module 710 is further configured to send second indication information to the terminal device, where the second indication information is used to indicate that the area to which the paging configuration information applies includes NTN cells and/or TN cells.
  • the paging configuration information may be tracking area TA information or wireless access network notification area RNA information.
  • the second indication information may also indicate that the area to which the paging configuration information is applicable includes GEO satellite cells and LEO satellite cells. And one or more of HAPS cells.
  • the communication device may be a core network device, and the second network device may be an access network device; or, the communication device and the second network device may both be access network devices.
  • the transceiver module 710 is further configured to receive a context request message from the second network device, where the context request message is used to request The user context of the terminal device; the transceiver module 710 is further configured to send a context response message to the second network device, and the context response message includes the capability information of the terminal device; wherein, the communication device is the anchor point access network of the terminal device Device, the second network device is another access network device that is paged to the terminal device.
  • the transceiver module 710 is configured to receive a paging message from the first network device, and the paging message is used for paging.
  • the paging message includes first indication information, the first indication information indicates that the paging range includes non-land network NTN cells and/or land network TN cells; the processing module 720 is configured to, according to the first indication information, Determine the cell where the terminal device needs to be paged.
  • the first indication information when the first indication information indicates that the paging range includes NTN cells, the first indication information may also indicate that the paging range includes high-orbit GEO satellite cells, low-orbit LEO satellite cells, and high-altitude platform HAPS cells. One or more of.
  • the first network device may be a core network device, and the communication device may be an access network device; or, both the first network device and the communication device may be access network devices.
  • the transceiver module 710 is further configured to send a context request message to the first network device, and the context request message is used to request the terminal The user context of the device; the transceiver module 710 is also used to receive a context response message from the first network device, the context response message includes the capability information of the terminal device; wherein the first network device is the anchor point access network of the terminal device Device, the communication device is another access network device that is paged to the terminal device.
  • the processing module 720 involved in the communication device may be implemented by at least one processor or processor-related circuit component, and the transceiver module 710 may be implemented by at least one transceiver or transceiver-related circuit component or a communication interface.
  • the operations and/or functions of each module in the communication device are used to implement the corresponding procedures of the methods shown in FIG. 3, FIG. 4, FIG. 5, or FIG.
  • the communication device may further include a storage module, the storage module may be used to store data and/or instructions, the transceiver module 710 and/or the processing module 720 may read the data and/or instructions in the access module, So that the communication device implements the corresponding method.
  • the storage module may be realized by at least one memory, for example.
  • the foregoing storage module, processing module, and transceiver module may exist separately, or all or part of the modules may be integrated, for example, the storage module and the processing module are integrated, or the processing module and the transceiver module are integrated.
  • FIG. 8 is a schematic diagram of another structure of a communication device according to an embodiment of this application.
  • the communication device 800 can be used to implement the functions related to the network equipment in the above method embodiments.
  • the first network equipment in the above method embodiments is the core network equipment and the second network equipment is the access network equipment, the first network equipment The function of the device.
  • the communication device 800 may be a core network device, or a chip or circuit configured in the core network device.
  • the communication device 800 includes one or more processors 801, and the one or more processors 801 can support the communication device 800 to implement the method executed by the first network device in the foregoing method embodiment.
  • the processor 801 may be a general-purpose processor or a special-purpose processor.
  • the processor 801 may be a central processing unit (CPU) or a baseband processor.
  • the baseband processor may be used to process communication data, and the CPU may be used to control the communication device (for example, the first network device or chip), execute the software program, and process the data of the software program.
  • the communication device 800 may also include a transceiving unit 805 to implement signal input (reception) and output (transmission).
  • the communication device 800 may be a chip, and the transceiver unit 805 may be an input and/or output circuit of the chip, or the transceiver unit 805 may be a communication interface of the chip, and the chip may be a component of a network device or other wireless communication equipment part.
  • the communication device 800 may include one or more memories 802 with a program 804 stored thereon, and the program 804 can be run by the processor 801 to generate an instruction 803 so that the processor 801 executes the method described in the foregoing method embodiment according to the instruction 803.
  • the memory 802 may also store data.
  • the processor 1301 may also read data stored in the memory 802. The data may be stored at the same storage address as the program 804, or the data may be stored at a different storage address from the program 804.
  • the processor 801 and the memory 802 may be provided separately or integrated together, for example, integrated on a single board or a system-on-chip (SOC).
  • SOC system-on-chip
  • the communication device 800 may further include a transceiver unit 805 and an antenna 806.
  • the transceiver unit 805 may be referred to as a transceiver, a transceiver circuit, or a transceiver, and is used to implement the transceiver function of the communication device through the antenna 806.
  • FIG. 9 is a schematic diagram of another structure of a communication device provided in an embodiment of this application.
  • the communication device may specifically be an access network device, such as a base station, which is used to implement a function related to a network device in any of the foregoing method embodiments.
  • the first network device in the foregoing method embodiment is a core network device
  • the second network device is an access network device
  • the function of the second network device or, when the first network device and the second network device in the foregoing method embodiment are both access network devices, the first network device or the second network device 2. Functions of network equipment.
  • the network device 900 includes: one or more radio frequency units, such as a remote radio unit (RRU) 901 and one or more baseband units (BBU) (also referred to as digital units, digital units, DU)902.
  • the RRU 901 may be called a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., and it may include at least one antenna 9011 and a radio frequency unit 9012.
  • the RRU 901 part is mainly used for receiving and sending radio frequency signals and converting radio frequency signals and baseband signals.
  • the part 902 of the BBU is mainly used for baseband processing, control of the base station, and so on.
  • the RRU 901 and the BBU 902 may be physically set together, or may be physically separated, that is, a distributed base station.
  • the BBU 902 is the control center of the base station, and may also be called a processing unit, which is mainly used to complete baseband processing functions, such as channel coding, multiplexing, modulation, and spreading.
  • the BBU (processing unit) 902 may be used to control the base station to execute the operation procedure of the network device in the foregoing method embodiment.
  • the BBU 902 may be composed of one or more single boards, and multiple single boards may jointly support a radio access network with a single access indication (such as an LTE network), and may also support different access standards. Wireless access network (such as LTE network, 5G network or other networks).
  • the BBU 902 may also include a memory 9021 and a processor 9022, and the memory 9021 is used to store necessary instructions and data.
  • the processor 9022 is used to control the base station to perform necessary actions, for example, to control the base station to perform the sending operation in the foregoing method embodiment.
  • the memory 9021 and the processor 9022 may serve one or more single boards. In other words, the memory and the processor can be set separately on each board. It can also be that multiple boards share the same memory and processor. In addition, necessary circuits can be provided on each board.
  • An embodiment of the present application further provides a chip system, including: a processor, the processor is coupled with a memory, the memory is used to store a program or instruction, when the program or instruction is executed by the processor, the The chip system implements the method corresponding to the terminal device or the method corresponding to the network device in any of the foregoing method embodiments.
  • processors in the chip system there may be one or more processors in the chip system.
  • the processor can be implemented by hardware or software.
  • the processor may be a logic circuit, an integrated circuit, or the like.
  • the processor may be a general-purpose processor, which is implemented by reading software codes stored in the memory.
  • the memory may be integrated with the processor, or may be provided separately from the processor, which is not limited in this application.
  • the memory may be a non-transitory processor, such as a read-only memory ROM, which may be integrated with the processor on the same chip, or may be set on different chips.
  • the setting method of the processor is not specifically limited.
  • the chip system may be a field programmable gate array (FPGA), an application specific integrated circuit (ASIC), an SoC, a CPU, or Network processor (NP), digital signal processor (digital signal processor, DSP), microcontroller (microcontroller unit, MCU), or programmable logic device , PLD) or other integrated chips.
  • FPGA field programmable gate array
  • ASIC application specific integrated circuit
  • SoC SoC
  • CPU or Network processor
  • NP digital signal processor
  • DSP digital signal processor
  • microcontroller microcontroller unit, MCU
  • PLD programmable logic device
  • each step in the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the embodiments of the present application also provide a computer-readable storage medium in which computer-readable instructions are stored, and when the computer reads and executes the computer-readable instructions, the computer is caused to execute any of the above-mentioned method embodiments In the method.
  • the embodiment of the present application also provides a computer program product, which when the computer reads and executes the computer program product, causes the computer to execute the method in any of the foregoing method embodiments.
  • An embodiment of the present application also provides a communication system, which includes a first network device, a second network device, and at least one terminal device.
  • the communication system may also include core network equipment.
  • the communication system includes a first network device, a second network device, and a terminal device that can cooperate with each other to implement any of the foregoing method embodiments.
  • processors mentioned in the embodiments of the present application may be a CPU, or other general-purpose processors, DSP, ASIC, FPGA or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and so on.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM), which is used as an external cache.
  • RAM random access memory
  • static random access memory static random access memory
  • dynamic RAM dynamic RAM
  • DRAM dynamic random access memory
  • synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory serial DRAM, SLDRAM
  • direct rambus RAM direct rambus RAM, DR RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component
  • the memory storage module
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

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Abstract

一种通信方法及装置，该方法包括：第一网络设备生成并向第二网络设备发送寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区，采用上述技术方案，网络设备可以根据终端设备的类型或能力信息确定合理的寻呼区域，从而避免在终端设备不支持的区域中发送寻呼消息，有效减小寻呼信令的开销。

Description

一种通信方法及装置
相关申请的交叉引用
本申请要求在2020年05月29日提交中国国家知识产权局、申请号为202010472766.5、申请名称为“一种通信方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信技术领域，尤其涉及一种通信方法及装置。
背景技术
当终端设备处于无线资源控制(radio resource control，RRC)_空闲态(IDLE)或RRC_非激活态(INACTIVE)时，终端设备与接入网设备之间的连接处于断开状态。这时候如果网络侧有数据需要发送给终端设备，会通过寻呼消息来联系终端设备，终端设备接收到寻呼消息后，会与接入网设备建立连接，进行数据的传输。
在现有的寻呼机制中，针对处于RRC_空闲态的终端设备，核心网设备会基于终端设备的跟踪区(tracking area，TA)列表，向TA列表中包含的所有接入网设备发送寻呼消息，由这些接入网设备在其管理的小区内寻呼该终端设备。类似的，针对处于RRC_非激活态的终端设备，当该终端设备的下行数据到达时，核心网设备会直接将数据发送给该终端设备的锚点接入网设备，然后锚点接入网设备会基于终端设备的无线接入网络通知区域(radio access network notification area，RNA)信息，向该RNA中包括的所有接入网设备发送寻呼消息，由这些接入网设备在其管理的小区中寻呼该终端设备。
在非陆地网络(non terrestrial networks，NTN)与陆地网络(terrestrial networks，TN)混合部署的场景下，可能会存在NTN小区与TN小区的小区配置参数相同的情形，比如具有相同的跟踪区码(tracking area code，TAC)或者无线接入网区域码(radio access network area code，RANAC)。在这一场景下，由于现有的寻呼机制中无法对NTN小区和TN小区进行区分，而是在TA或RNA包括的小区中进行无差别的寻呼，可能会带来不必要的寻呼信令开销。
发明内容
本申请实施例中的一种通信方法及装置，用于提供一种NTN网络与TN网络混合部署场景下的寻呼机制，以减小寻呼信令开销，提高寻呼效率。
第一方面，本申请实施例提供一种通信方法，该方法可由第一网络设备执行，也可以由配置于第一网络设备的部件(例如芯片或者电路)执行，在本申请下文的描述中，将以第一网络设备执行该方法为例进行说明。该方法可以包括：第一网络设备生成寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；第一网络设备向第二网络设备发送寻呼消息。
采用上述技术方案，网络设备可以根据寻呼范围确定合理的寻呼区域，该寻呼范围可以是基于终端设备的类型信息或能力信息确定的，从而可避免在终端设备不支持的区域中发送寻呼消息，有效减小寻呼信令的开销。
在第一方面的一种可能的设计中，当第一指示信息指示的寻呼范围包括NTN小区时，第一指示信息还可以指示寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
在第一方面的一种可能的设计中，该方法还可以包括：第一网络设备获取终端设备的能力信息，该能力信息用于确定终端设备是否支持NTN小区和/或TN小区。如此，可便于当第一网络设备发起针对该终端设备的寻呼时，根据该终端设备的能力信息，确定合理的寻呼区域。
在第一方面的一种可能的设计中，若终端设备支持NTN小区，该能力信息还可以用于确定终端设备支持GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
在第一方面的一种可能的设计中，第一网络设备还可以向终端设备发送第二指示信息，该第二指示信息用于指示寻呼配置信息适用的区域范围包括NTN小区和/或TN小区，所述寻呼配置信息可以为跟踪区TA信息或无线接入网络通知区域RNA信息。
采用上述技术方案，网络为终端设备配置相应的寻呼配置信息适用的区域范围，可使得当终端设备移出寻呼配置信息适用的区域范围之外时，终端设备可以及时地触发跟踪区更新(tracking area update，TAU)或无线接入网络通知区域更新(radio access network notification area，RNAU)，以便网络可以及时获知终端设备的位置信息，进行相应的位置管理。
在第一方面的一种可能的设计中，当第一指示信息指示寻呼配置信息适用的区域范围包括NTN小区时，第二指示信息还可指示寻呼配置信息适用的区域范围包括GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
在第一方面的一种可能的设计中，第一网络设备可以为核心网设备，第二网络设备可以为接入网设备；或者，第一网络设备和所述第二网络设备可以均为接入网设备。
可以看出，本申请实施例，即可适用于核心网设备发起寻呼(即CN paging)的场景，也可以适用于接入网设备发起寻呼(即RAN paging)的场景。
在第一方面的一种可能的设计中，若第一网络设备和第二网络设备均为接入网设备，该方法还可以包括：第一网络设备接收来自第二网络设备的上下文请求消息，该上下文请求消息用于请求终端设备的用户上下文；第一网络设备向第二网络设备发送上下文响应消息，该上下文响应消息中包括终端设备的能力信息；其中，第一网络设备为终端设备的锚点接入网设备，第二网络设备为寻呼到终端设备的另一接入网设备。
采用该技术方案，当第二网络设备寻呼到终端设备后，第二网络设备可通过上述方式获得终端设备的能力信息，以获知该终端设备对NTN和TN的支持情况，从而便于第二网络设备更好地为终端设备提供服务。
第二方面，本申请实施例提供一种通信方法，该方法可由第二网络设备执行，也可以由可以配置于第二网络设备的部件(例如芯片或者电路)执行，在本申请下文的描述中，将以第二网络设备执行该方法为例进行说明。该方法可以包括：第二网络设备接收来自第一网络设备的寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；第二网 络设备根据第一指示信息，确定需要寻呼终端设备的小区。
在第二方面的一种可能的设计中，当第一指示信息指示寻呼范围包括NTN小区时，第一指示信息还可以指示寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
在第二方面的一种可能的设计中，第一网络设备可以为核心网设备，第二网络设备可以为接入网设备；或者，第一网络设备和第二网络设备可以均为接入网设备。
在第二方面的一种可能的设计中，若第一网络设备和第二网络设备可以均为接入网设备，该方法还可以包括：第二网络设备向第一网络设备发送上下文请求消息，该上下文请求消息用于请求终端设备的用户上下文，第二网络设备接收来自第一网络设备的上下文响应消息，该上下文响应消息中包括终端设备的能力信息；其中，第一网络设备为终端设备的锚点接入网设备，第二网络设备为寻呼到终端设备的另一接入网设备。
第三方面，本申请实施例提供一种通信装置，该装置具有实现上述第一方面或第一方面的任一种可能的设计中第一网络设备的功能，或具有实现上述第二方面或第二方面的任一种可能的设计中第二网络设备的功能，该装置可以为网络设备，也可以为网络设备中包括的芯片。
上述通信装置的功能可以通过硬件实现，也可以通过硬件执行相应的软件实现，所述硬件或软件包括一个或多个与上述功能相对应的模块或单元或手段(means)。
在一种可能的设计中，该装置的结构中可包括处理模块和收发模块，其中，处理模块被配置为支持该装置执行上述第一方面或第一方面的任一种设计中第一网络设备相应的功能，或者执行上述第二方面或第二方面的任一种设计中第二网络设备相应的功能。收发模块用于支持该装置与其他通信设备之间的通信，例如该装置为第一网络设备时，可向第二网络设备发送寻呼消息。该通信装置还可以包括存储模块，存储模块与处理模块耦合，其保存有装置必要的程序指令和数据。作为一种示例，处理模块可以为处理器，通信模块可以为收发器，存储模块可以为存储器，存储器可以和处理器集成在一起，也可以和处理器分离设置，本申请并不限定。
在另一种可能的设计中，该装置的结构中包括处理器，还可以包括存储器。处理器与存储器耦合，可用于执行存储器中存储的计算机程序指令，以使装置执行上述第一方面、或第一方面的任一种可能的设计中的方法，或者执行上述第二方面或第二方面的任一种可能的设计中的方法。可选地，该装置还包括通信接口，处理器与通信接口耦合。当装置为网络设备或终端设备时，该通信接口可以是收发器或输入/输出接口；当该装置为网络设备中包含的芯片时，该通信接口可以是芯片的输入/输出接口。可选地，收发器可以为收发电路，输入/输出接口可以是输入/输出电路。
第四方面，本申请实施例提供一种芯片系统，包括：处理器，所述处理器与存储器耦合，所述存储器用于存储程序或指令，当所述程序或指令被所述处理器执行时，使得该芯片系统实现上述第一方面或第一方面的任一种可能的设计中的方法，或实现上述第二方面或第二方面的任一种可能的设计中的方法。
可选地，该芯片系统还包括接口电路，该接口电路用于交互代码指令至所述处理器。
可选地，该芯片系统中的处理器可以为一个或多个，该处理器可以通过硬件实现也可以通过软件实现。当通过硬件实现时，该处理器可以是逻辑电路、集成电路等。当通过软件实现时，该处理器可以是一个通用处理器，通过读取存储器中存储的软件代码来实现。
可选地，该芯片系统中的存储器也可以为一个或多个。该存储器可以与处理器集成在一起，也可以和处理器分离设置，本申请并不限定。示例性的，存储器可以是非瞬时性处理器，例如只读存储器ROM，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请对存储器的类型，以及存储器与处理器的设置方式不作具体限定。
第五方面，本申请实施例提供一种计算机可读存储介质，其上存储有计算机程序或指令，当该计算机程序或指令被执行时，使得计算机执行上述第一方面或第一方面的任一种可能的设计中的方法，或执行上述第二方面或第二方面的任一种可能的设计中的方法。
第六方面，本申请实施例提供一种计算机程序产品，当计算机读取并执行所述计算机程序产品时，使得计算机执行上述第一方面或第一方面的任一种可能的设计中的方法，或执行上述第二方面或第二方面的任一种可能的设计中的方法。
第七方面，本申请实施例提供一种通信系统，该通信系统包括第一网络设备、第二网络设备和至少一个终端设备。可选的，所述通信系统中还可包括核心网设备。
上述第二方面至第七方面以及第二方面至第七方面中各种可能的设计中的有益效果，可参考第一方面中对应的描述，在此不再赘述。
附图说明
图1为本申请实施例适用的一种通信系统的网络架构示意图；
图2为本申请实施例适用的一种NTN与TN混合部署的场景示意图；
图3为本申请实施例提供的一种通信方法的流程示意图；
图4为本申请实施例中由核心网设备发起寻呼(即CN paging)的场景示意图；
图5为本申请实施例中由接入网设备发起寻呼(即RAN paging)的场景示意图；
图6为本申请实施例提供的一个具体示例的示意图；
图7为本申请实施例提供的一种通信装置的结构示意图；
图8为本申请实施例提供的一种通信装置的另一结构示意图；
图9为本申请实施例提供的一种通信装置的又一结构示意图。
具体实施方式
为了使本申请实施例的目的、技术方案和优点更加清楚，下面将结合附图对本申请实施例作进一步地详细描述。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通信(global system for mobile communications，GSM)系统、码分多址(code division multiple access，CDMA)系统、宽带码分多址(wideband code division multiple access，WCDMA)系统、通用分组无线业务(general packet radio service，GPRS)、LTE系统、LTE频分双工(frequency division duplex，FDD)系统、LTE时分双工(time division duplex，TDD)、通用移动通信系统(universal mobile telecommunication system，UMTS)、全球互联微波接入(worldwide interoperability for microwave access，WIMAX)通信系统、第五代(5th generation，5G)系统或NR系统，或者应用于未来的通信系统或其它类似的通信系统等。
请参考图1，为本申请实施例适用的一种通信系统的网络架构示意图，该网络架构中包括核心网设备110、无线接入网设备120、和至少一个终端设备(如图1中所示的终端设 备130和140)。
其中，终端设备通过无线方式与无线接入网设备连接，无线接入网设备通过无线或有线的方式与核心网设备连接。核心网设备与无线接入网设备可以是独立的不同的物理设备，也可以是将核心网设备的功能与无线接入网设备的逻辑功能集成在同一个物理设备上，还可以是一个物理设备上集成了部分核心网设备的功能和部分的无线接入网设备的功能。
应理解，图1中所示的通信系统仅为示意图，该通信系统中还可以包括其他类型的网络设备，例如无线中继设备或无线回传设备，在图1中未画出。尽管图1中仅示出了一个终端设备，但应理解，本申请实施例对该通信系统中包括的核心网设备、无线接入网设备、终端设备、以及无线回传设备的数量均不作限定。
本申请实施例中所提及的无线接入网设备在不同的通信系统可对应不同的设备，例如在5G系统中对应5G中的接入网设备，例如gNB，在4G系统中对应4G中的接入网设备，例如eNB。
无线接入网设备与终端设备之间以及终端设备和终端设备之间，可以通过授权频谱(licensed spectrum)进行通信，也可以通过非授权频谱(unlicensed spectrum)进行通信，也可以同时通过授权频谱和非授权频谱进行通信。无线接入网设备和终端设备之间以及终端设备和终端设备之间可以通过6吉兆赫(gigahertz，GHz)以下的频谱进行通信，也可以通过6GHz以上的频谱进行通信，还可以同时使用6GHz以下的频谱和6GHz以上的频谱进行通信。本申请实施例对无线接入网设备和终端设备之间所使用的频谱资源不做限定。
本申请实施例适用于NTN与TN混合部署的场景中，其中，所述NTN可以包括卫星通信系统、高空平台(high altitude platform station，HAPS)通信系统或者其他非地面通信系统。
请参考图2，为本申请实施例适用的一种NTN与TN混合部署的场景示意图。在图2中，基站gNB的覆盖下存在一个TN小区1和一个NTN小区2，且该TN小区1与NTN小区2的TAC或RANAC相同。其中，NTN小区2是低轨(low earth orbit，LEO)卫星接收并转发该基站gNB的信号而形成的小区，即LEO卫星通过透明转发(transparent)形式提供服务覆盖区域。可以理解的，图2中以NTN为透明转发形式的LEO卫星进行示意，并不限于该场景。
对于仅支持TN的UE1，该UE1可以接入图2中所示的TN小区1，无法接入图2中所示的NTN小区2；而对于可以支持TN小区和NTN小区的UE2，该UE2既可以接入图2中所示的TN小区1，也可以接入图2中所示的NTN小区2。
需要说明的是，图2中的NTN具体是以卫星通信系统为例进行说明的，但应理解，这仅为一种示意。
本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着通信网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
下面对本申请实施例中的部分用语进行解释说明，以便于本领域技术人员理解。
1)本申请实施例中所涉及的终端设备，是一种具有无线收发功能的设备，可以部署在陆地上，包括室内或室外、手持、穿戴或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等。所述终端设备可以经无线接入网(radio access  network，RAN)与核心网进行通信，与RAN交换语音和/或数据。所述终端设备可以是手机(mobile phone)、平板电脑(Pad)、带无线收发功能的电脑、移动互联网设备(mobile internet device，MID)、可穿戴设备、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等等。本申请的实施例对应用场景不做限定。终端设备有时也可以称为用户设备(user equipment，UE)、移动台和远方站等，本申请的实施例对终端设备所采用的具体技术、设备形态以及名称不做限定。
作为示例而非限定，在本申请实施例中，该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备或智能穿戴式设备等，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能头盔、智能首饰等。
本申请实施例中的终端设备还可以是作为一个或多个部件或者单元而内置于车辆的车载模块、车载模组、车载部件、车载芯片或者车载单元，车辆通过内置的所述车载模块、车载模组、车载部件、车载芯片或者车载单元可以实施本申请的方法。
2)本申请实施例中所涉及的无线接入网设备，是网络中用于将终端设备接入到无线网络的设备。所述无线接入网设备可以为无线接入网中的节点，又可以称为基站，还可以称为RAN节点。在本申请中，无线接入网设备是指部署在地面上的无线接入网设备，在下文的描述中，无线接入网设备可以简称为接入网设备。
所述接入网设备可以包括LTE系统或演进的LTE系统(LTE-Advanced，LTE-A)中的演进型基站(NodeB或eNB或e-NodeB，evolutional Node B)，如传统的宏基站eNB和异构网络场景下的微基站eNB，或者也可以包括5G系统或NR系统中的下一代节点B(next generation node B，gNB)，或者也可以包括无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、传输接收点(transmission reception point，TRP)、家庭基站(例如，home evolved NodeB，或home Node B，HNB)、基带单元(base band unit，BBU)、基带池BBU pool，或无线保真(wireless fidelity，WiFi)接入点(access point，AP)、接入回传一体化(integrated access and backhaul，IAB)节点等，再或者也可以包括云接入网(cloud radio access network，CloudRAN)系统中的集中式单元(centralized unit，CU)和/或分布式单元(distributed unit，DU)，本申请实施例并不限定。
例如，在一种网络结构中，网络设备可以为CU节点、或DU节点、或为包括CU节点和DU节点的接入网设备。进一步地，CU节点可以划分为控制面(CU-CP)和用户面(CU-UP)，其中CU-CP负责控制面功能，主要包含无线资源控制(radio resource control，RRC)和分组数据汇聚协议(packet data convergence protocol，PDCP)-C，PDCP-C主要负责控制面数据的加解密，完整性保护，数据传输等。CU-UP负责用户面功能，主要包含 服务数据适配协议(service data adaptation protocol，SDAP)和PDCP-U，SDAP主要负责将核心网的数据进行处理并将流(flow)映射到承载(bearer)，PDCP-U主要负责数据面的加解密，完整性保护，头压缩，序列号维护，数据传输等。CU-CP与CU-UP可通过E1接口连接。CU-CP代表CU通过Ng接口和核心网连接，通过F1-C(控制面)和DU连接。CU-UP通过F1-U(用户面)和DU连接。当然还有一种可能的实现是PDCP-C也在CU-UP。
3)本申请实施例中所涉及的核心网设备，是指为终端设备提供业务支持的核心网(core network，CN)中的设备。目前，一些核心网设备的举例包括：接入和移动性管理功能(access and mobility management function，AMF)实体、会话管理功能(session management function，SMF)实体、用户面功能(user plane function，UPF)实体等。其中，AMF实体用于负责终端设备的接入管理和移动性管理；SMF实体用于负责会话管理，如用户的会话建立等；UPF实体是用户面的功能实体，主要用于负责连接外部网络。应注意，本申请中的实体也可以成为网元或功能实体，即AMF实体也可以称为AMF网元或AMF功能实体，SMF实体也可以称为SMF网元或SMF功能实体。在本申请下文的描述中，核心网设备可以是指AMF。
4)本申请实施例中所涉及的卫星，是指位于卫星上的网络设备，为了便于说明，可以将“卫星上的网络设备”简称为“卫星”。所述卫星可以是低轨(LEO)卫星或者中轨卫星或者高轨(geostationary earth orbit，GEO)卫星或者其他位于高空中移动的网络设备。
一般来说，按照卫星的轨位高度，卫星通信系统中的卫星可分为高轨卫星、低轨(LEO)卫星和中轨卫星三类。其中，高轨卫星又可以称为静止卫星，高轨卫星的运行速度与地球自转速度相同，因此，高轨卫星相对地面保持静止状态，相应地，高轨卫星形成的卫星小区也是静止的。低轨卫星又可以称为近地轨道卫星，低轨卫星相对地面移动速度较快，因此，低轨卫星形成的卫星小区可随着卫星的移动而移动。中轨卫星是指位于轨道高度位于高轨卫星与低轨卫星之间的卫星。
在一种可能的实现方式中，卫星可以接收无线接入网设备的信号并将信号转发至地面形成卫星小区，进而为地面上的终端设备提供服务覆盖。此时，卫星相当于一个中继节点或转发器，因此，该场景也可以称为卫星的透明转发(transparent)形式。作为另一种实现方式，卫星可以自己生成小区信息。比如，该形式下，卫星可以包括DU、基站或者IAB等类似功能的网络设备因此，该场景可以称为卫星的再生(regenerative)形式。
5)需要说明的是，本申请实施例中的术语“系统”和“网络”可被互换使用。“多个”是指两个或两个以上，鉴于此，本申请实施例中也可以将“多个”理解为“至少两个”。“至少一个”，可理解为一个或多个，例如理解为一个、两个或更多个。例如，包括至少一个，是指包括一个、两个或更多个，而且不限制包括的是哪几个。例如，包括A、B和C中的至少一个，那么包括的可以是A、B、C，A和B，A和C，B和C，或A和B和C。同理，对于“至少一种”等描述的理解，也是类似的。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，字符“/”，如无特殊说明，一般表示前后关联对象是一种“或”的关系。
基于上述介绍的图1和图2所示的系统架构，请参考图3，为本申请实施例提供的一 种通信方法的流程示意图，该方法包括：
步骤S301、第一网络设备生成寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括NTN小区和/或TN小区。
所述寻呼范围是指面向终端设备的寻呼消息的发送范围，也可以称为寻呼区域范围。可以理解，第一指示信息可以指示出三种可能的寻呼范围，即寻呼范围仅包括NTN小区、寻呼范围仅包括TN小区、寻呼范围包括NTN小区和TN小区。
当第一指示信息指示寻呼范围仅包括NTN小区时，第一指示信息还可以进一步指示寻呼范围仅包括GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种，即用于指示寻呼范围包括哪种类型的NTN小区。
需要说明的是，第一指示信息可以是公共陆地移动网络(public land mobile network，PLMN)标识(identity，ID)级的，即指示每个PLMN ID下的寻呼区域，也可以是跟踪区码(tracking area code，TAC)级的，也可以是无线接入网区域码(radio access network area code，RANAC)级的，也可以是频点级的，或者是小区级的至少一种，本申请并不限定。
进一步地，第一指示信息可以是通过隐式方式指示的。例如第一指示信息可以是NTN的频带(freqband)信息，即当寻呼消息中包括NTN的频带信息时，表示寻呼范围包括NTN小区。或者，第一指示信息也可以是通过显示方式指示的。例如，在一个示例中，可以默认终端设备支持TN小区，在此基础上，第一指示信息可以是寻呼消息中占据1个比特的一个标志位，当该标志位的取值为1时，表示寻呼范围包括NTN小区，即寻呼范围包括NTN小区和TN小区，当该比特位的取值为0时，表示寻呼范围不包括NTN小区，即寻呼范围仅包括TN小区；再例如，在另一个示例中，第一指示信息可以是寻呼消息中占据2个比特的一个标志位，当该标志位的取值为“01”时，可表示寻呼范围仅包括TN小区，当该标志位的取值为“10”时，可表示寻呼范围仅包括NTN小区，当该标志位的取值为“11”时，可表示寻呼范围包括NTN小区和TN小区。可以理解，第一指示信息也可以具有其他的指示方式，在此不再逐一列举。
步骤S302、第一网络设备向第二网络设备发送寻呼消息。相应的，第二网络设备可以接收来自第一网络设备的寻呼消息。
步骤S303、第二网络设备根据第一指示信息，确定需要寻呼终端设备的小区。
具体的，当第一指示信息指示寻呼范围仅包括NTN小区时，第二网络设备可确定需要寻呼终端设备的小区为第二网络设备管理的NTN小区，进而第二网络设备可以仅在其管理的NTN小区中发送寻呼消息，而不在其管理的TN小区中发送寻呼消息，以寻呼该终端设备，从而达到节约寻呼信令资源的目的。
当第一指示信息指示寻呼范围仅包括TN小区时，第二网络设备可确定需要寻呼终端设备的小区为第二网络设备管理的TN小区，进而第二网络设备可以仅在其管理的TN小区中发送寻呼消息，而不在其管理的NTN小区中发送寻呼消息，以寻呼该终端设备，从而达到节约寻呼信令资源的目的。
当第一指示信息指示寻呼范围包括NTN小区和TN小区时，第二网络设备可确定需要寻呼终端设备的小区包括第二网络设备管理的NTN小区和TN小区，进而第二网络设备可在其管理的NTN小区和TN小区中都发送寻呼消息，以寻呼该终端设备。相应的，终端设备接收到寻呼消息后，可向第二网络设备发送RRC连接建立/恢复请求，以接入该第二网络设备。
应注意，本申请实施例中对第二网络设备管理的NTN小区和TN小区的数量不作具体限定，第二网络设备可以管理一个或多个NTN小区，也可以管理一个或多个TN小区，也可以同时管理一个或多个NTN小区以及一个或多个TN小区，本申请并不限定。
可选的，第一网络设备还可以获取终端设备的能力信息，该能力信息用于确定终端设备是否支持NTN小区和/或TN小区。若终端设备支持NTN小区，该能力信息还可用于确定终端设备支持GEO卫星小区、LEO卫星小区和HAPS中的一种或多种。所述能力信息可以是能力指示信息，也可以是终端设备的类型信息，也可以是终端设备支持的频率信息、频带信息等。
在具体实施中，第一网络设备获取终端设备的能力信息的方式可以是，第一网络设备接收终端设备上报的该终端设备的能力信息，也可以是第一网络设备从其他网络设备处接收终端设备的能力信息，例如第一网络设备可以接收核心网设备发送的终端设备的能力信息，或者第一网络设备可以接收其他接入网设备发送的终端设备的能力信息。可以理解，第一网络设备也可以通过其他方式获取终端设备的能力信息，本申请并不限定。
采用上述技术方案，网络设备可以根据终端设备的类型信息或能力信息确定合理、准确的寻呼区域，从而避免在终端设备不支持的区域中发送寻呼消息，有效减小寻呼信令的开销。
在一种可能的实施方式中，第一网络设备可以为核心网设备，第二网络设备可以为接入网设备。如图4所示，该实施方式对应终端设备处于RRC_空闲态，核心网设备发起寻呼(即CN paging)的场景。在该场景中，接入网设备是指位于终端设备的TA信息中的接入网设备。可选的，TA信息也可以称为TA列表，TA列表可包括至少一个TAC，或者包括至少一个PLMN ID和该PLMN ID下的至少一个TAC。
具体的，在图4中，核心网设备为AMF，接入网设备为gNB1，UE1仅支持TN小区，UE2可以支持NTN小区和TN小区，且UE1和UE2均处于RRC_空闲态。如此，当UE1的下行数据到达时，AMF可向UE1的TA列表中包括的各个接入网设备发送寻呼消息，该寻呼消息具体为CN寻呼消息。以AMF向图4中所示的gNB1发送寻呼消息为例(即此处的gNB1是指位于UE1的TA信息中的其中一个接入网设备)，该寻呼消息中的第一指示信息可指示寻呼范围仅包括TN小区。例如第一指示信息可以为寻呼消息中占据2个比特的一个标志位，AMF通过将该标志位的取值置为“01”，指示出寻呼范围仅包括TN小区。进而。gNB1可仅在自己的管理的TN小区中寻呼UE1。若UE1接收到了该寻呼消息，那么该UE1可向gNB1发送RRC连接建立请求，以接入gNB1。
当UE2的下行数据到达时，AMF可向UE2的TA信息中包括的各个接入网设备发送寻呼消息，该寻呼消息具体为CN寻呼消息。以AMF向图4中所示的gNB1发送寻呼消息为例(即此处的gNB1是指位于UE2的TA信息中的其中一个接入网设备)，该寻呼消息中的第一指示信息可指示寻呼范围包括NTN小区和TN小区。例如第一指示信息可以为寻呼消息中占据2个比特的一个标志位，AMF通过将该标志位的取值置为“11”，指示出寻呼范围包括NTN和TN小区。进而，gNB1可在自己的管理的NTN小区和TN小区中都寻呼该UE2。若UE2接收到了该寻呼消息，那么该UE2可向gNB1发送RRC连接建立请求，以接入gNB1。
可选的，在UE1或UE2的下行数据到达前，AMF还可以为UE1和UE2分别配置对应的TA信息，该TA信息也可以称为TA列表，可以理解为是一种寻呼配置信息。其中， TA列表可包括至少一个TAC，或者包括至少一个PLMN ID和该PLMN ID下的至少一个TAC。
在另一种可能的实施方式中，第一网络设备和第二网络设备可以均为接入网设备。如图5所示，该实施方式对应终端设备处于RRC_非激活态，接入网设备发起寻呼(即RAN paging)的场景。也就是说，在该场景下，第一网络设备可以为第一接入网设备，第二网络设备可以为第二接入网设备。应注意，此处的第一接入网设备是指终端设备由RRC_连接态(CONNECTED)进入RRC_非激活态前的服务接入网设备(即服务节点)，该服务接入网设备也可以称为终端设备的锚点(anchor)接入网设备或源(source)网络设备，第二接入网设备是指位于终端设备的RNA区域中的接入网设备。
具体的，在图5中，UE1和UE2均处于RRC_非激活态，第一接入网设备为UE1和UE2的锚点gNB1，第二接入网设备为目标(target)gNB2或目标gNB3，UE1仅支持TN小区，UE2可以支持NTN小区和TN小区。如此，当UE1的下行数据到达时，核心网设备(如AMF)可直接将下行数据发送给锚点gNB1，进而锚点gNB1可向位于该UE1的RNA区域内的其他接入网设备发送寻呼消息，该寻呼消息具体为RAN寻呼消息。以锚点gNB1向图5中所示的目标gNB2发送寻呼消息为例(即此处的目标gNB2是指位于UE1的RNA区域中的其中一个接入网设备)，该寻呼消息中的第一指示信息可指示寻呼范围仅包括TN小区，如此，目标gNB2可仅在其管理的TN小区中寻呼该UE1。若UE1接收到了目标gNB2发送的寻呼消息，那么UE1可向目标gNB2发送RRC连接恢复请求，以接入该目标gNB2。可选的，锚点gNB1也可在自己管理的TN小区中寻呼该UE1。若UE1接收到了锚点gNB1发送的寻呼消息，那么该UE1也可以向锚点gNB1发送RRC连接恢复请求，以接入该锚点gNB1。
类似的，当UE2的下行数据到达时，核心网设备(如AMF)可直接将下行数据发送给锚点gNB1，进而锚点gNB1可向位于该UE2的RNA区域内的其他接入网设备发送寻呼消息，该寻呼消息具体为RAN寻呼消息。以锚点gNB1向图5中所示的目标gNB3发送寻呼消息为例(即此处的目标gNB3是指位于UE2的RNA区域中的其中一个接入网设备)，该寻呼消息中的第一指示信息可指示寻呼范围包括NTN小区和TN小区，如此，目标gNB3可在其管理的NTN小区和TN小区中都寻呼该UE2。若UE2接收到了目标gNB3发送的寻呼消息，那么UE2可以向目标gNB3发送RRC连接恢复请求，以接入该目标gNB3。可选的，锚点gNB1也可在自己管理的NTN小区和TN小区中都寻呼该UE2。若UE2接收到了锚点gNB1发送的寻呼消息，那么UE2也可以向锚点gNB1发送RRC连接恢复请求，以接入该锚点gNB1。
可选的，在UE1或UE2的下行数据到达前，锚点gNB1还可以为UE1和UE2分别配置对应的RNA信息，RNA信息也可以称为RNA区域信息或RNA区域，也可以理解为是一种寻呼配置信息。
应注意，图5中所示的目标gNB2是指UE1对应的RNA区域内的一个gNB，目标gNB3是指UE2对应的RNA区域内的一个gNB，其名称仅作为一种示意，目标gNB2与目标gNB3可以是相同的gNB，也可以是不同的gNB，本申请并不限定。
可选的，本申请实施例中，第一网络设备也可以向终端设备发送第二指示信息，该第二指示信息指示寻呼配置信息适用的区域范围包括NTN小区和/或TN小区。其中，寻呼配置信息可以包括TA信息或RNA信息。具体的，对于处于RRC_空闲态的UE，第一网 络设备为核心网设备，其寻呼配置信息为TA信息；对于处于RRC_非激活态的UE，第一网络设备为接入网设备时，其寻呼配置信息为RNA信息。
进一步地，当第二指示信息指示寻呼配置信息适用的区域范围包括NTN小区时，第二指示信息还可指示寻呼配置信息适用的区域范围包括GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。类似的，该第二指示信息可以是PLMN ID级的，TAC级的，RANAC级的，频点级的，或者是小区级的至少一种，本申请并不限定。
可以看出，通过网络设备为终端设备配置相应的寻呼配置信息可适用的区域范围，可使得当终端设备移出寻呼配置信息适用的区域范围之外时，终端设备可以及时地触发跟踪区更新(tracking area update，TAU)或无线接入网络通知区域更新(radio access network notification area，RNAU)，以便网络可以及时获知终端设备的位置信息，进行相应的位置管理。
可选的，当第一网络设备和第二网络设备均为接入网设备，即在RAN paging的场景下，终端设备处于RRC_非激活态，第一网络设备还可接收来自第二网络设备的上下文请求消息，该上下文请求消息用于请求终端设备的用户上下文，其中第一网络设备是指终端设备的锚点接入网设备，第二网络设备为寻呼到该终端设备的另一接入网设备。相应的，第一网络设备可向第二网络设备发送上下文响应消息，该上下文响应消息中包括终端设备的用户上下文、终端设备的能力信息，以及终端设备的寻呼配置信息的至少一种。终端设备的能力信息用于确定终端设备是否支持NTN小区和/或TN小区。终端设备的能力信息也可以用于确定所述终端设备支持GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。可选的，该上下文响应消息中还可包括本申请上文中所述的第一指示信息和/或第二指示信息。
请参考图6，为本申请实施例中提供的通信方法的一个具体示例。在该示例属于RAN paging的场景，即UE位于RRC_非激活态，锚点gNB1是指UE在由RRC_连接态进入RRC_非激活态前最后接入的gNB，目标gNB2为在该UE的RNA内寻呼到该UE的gNB。
具体的，在步骤S600中，UE可向锚点gNB1上报自己的能力信息，以通知锚点gNB1自己支持NTN小区和TN小区。
在步骤S601中，锚点gNB1可配置UE进入RRC_非激活态，并向UE发送寻呼配置信息。可选的，锚点gNB1还可以指示该寻呼配置信息适用的区域范围。这里，寻呼配置信息具体是指RNA信息，寻呼配置信息适用的区域范围可包括NTN小区和/或TN小区。
可选的，终端设备可以默认RNA信息包括NTN小区和TN小区。或者，锚点gNB1还可以向UE发送第二指示信息，该第二指示信息指示RNA信息适用的区域范围为仅包括NTN小区，或者为仅包括TN小区，或者为包括NTN小区和TN小区。本具体示例中以第二指示信息指示寻呼配置信息适用的区域范围仅包括NTN小区为例进行说明。如此，当UE移动到配置的RNA信息中指示的NTN小区的范围之外时，终端设备可进行RNAU过程。
在步骤S602中，当UE的下行数据到达时，锚点gNB1可向目标gNB2发送寻呼消息，该寻呼消息中包括第一指示信息，以指示寻呼范围仅包括NTN小区，该寻呼消息具体为RAN寻呼消息。需要说明的是，这里的目标gNB2是指UE对应的RNA区域内的其中一个gNB，但应理解，当UE的下行数据到达时，锚点gNB1可向UE对应的RNA区域内的每个gNB都发送上述寻呼消息。
随后，目标gNB2可在其管理的NTN小区寻呼该UE。
在步骤S603中，当目标gNB2寻呼到该UE后，UE可向目标gNB2发送RRC连接恢复请求，以请求恢复RRC连接，进入RRC_连接态。
在步骤S604中，目标gNB2可向锚点gNB1发送上下文请求消息，以请求该UE的用户上下文。
在步骤S605中，锚点gNB1可向目标gNB2发送上下文响应消息，该上下文响应消息中包括UE的用户上下文，以及UE的能力信息、UE的RNA信息、第一指示信息和第二指示信息等信息中的一项或多项。
本申请实施例还提供一种通信装置，请参考图7，为本申请实施例提供的一种通信装置的结构示意图，该通信装置700包括：收发模块710和处理模块720。该通信装置可用于实现上述任一方法实施例中涉及网络设备(如第一网络设备或者第二网络设备)的功能。例如，该通信装置可以是网络设备或网络设备中包括的芯片或电路。
示例性的，当该通信装置执行图3中所示的方法实施例中对应第一网络设备的操作或者步骤时，处理模块720用于，生成寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；收发模块710用于，向第二网络设备发送寻呼消息。
在一种可能的设计中，当第一指示信息指示寻呼范围包括NTN小区时，第一指示信息还可以指示寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
在一种可能的设计中，收发模块710还用于，获取终端设备的能力信息，该能力信息用于确定终端设备是否支持NTN小区和/或TN小区。
在一种可能的设计中，若终端设备支持NTN小区，该能力信息还可以用于确定终端设备支持GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
在一种可能的设计中，收发模块710还用于，向终端设备发送第二指示信息，该第二指示信息用于指示寻呼配置信息适用的区域范围包括NTN小区和/或TN小区，所述寻呼配置信息可以为跟踪区TA信息或无线接入网络通知区域RNA信息。
在一种可能的设计中，当第一指示信息指示寻呼配置信息适用的区域范围包括NTN小区时，第二指示信息还可指示寻呼配置信息适用的区域范围包括GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
在一种可能的设计中，所述通信装置可以为核心网设备，第二网络设备可以为接入网设备；或者，所述通信装置和第二网络设备可以均为接入网设备。
在一种可能的设计中，若所述通信装置和第二网络设备均为接入网设备，收发模块710还用于，接收来自第二网络设备的上下文请求消息，该上下文请求消息用于请求终端设备的用户上下文；收发模块710还用于，向第二网络设备发送上下文响应消息，该上下文响应消息中包括终端设备的能力信息；其中，所述通信装置为终端设备的锚点接入网设备，第二网络设备为寻呼到终端设备的另一接入网设备。
当该通信装置执行图3中所示的方法实施例中对应第二网络设备的操作或者步骤时，收发模块710用于，接收来自第一网络设备的寻呼消息，该寻呼消息用于寻呼终端设备，该寻呼消息中包括第一指示信息，该第一指示信息指示寻呼范围包括非陆地网络NTN小 区和/或陆地网络TN小区；处理模块720用于，根据第一指示信息，确定需要寻呼终端设备的小区。
在一种可能的设计中，当第一指示信息指示寻呼范围包括NTN小区时，第一指示信息还可以指示寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
在一种可能的设计中，第一网络设备可以为核心网设备，所述通信装置可以为接入网设备；或者，第一网络设备和所述通信装置可以均为接入网设备。
在一种可能的设计中，若第一网络设备和所述通信装置均为接入网设备，收发模块710还用于，向第一网络设备发送上下文请求消息，该上下文请求消息用于请求终端设备的用户上下文；收发模块710还用于，接收来自第一网络设备的上下文响应消息，该上下文响应消息中包括终端设备的能力信息；其中，第一网络设备为终端设备的锚点接入网设备，所述通信装置为寻呼到终端设备的另一接入网设备。
该通信装置中涉及的处理模块720可以由至少一个处理器或处理器相关电路组件实现，收发模块710可以由至少一个收发器或收发器相关电路组件或通信接口实现。该通信装置中的各个模块的操作和/或功能分别为了实现图3、图4、图5或图6中所示方法的相应流程，为了简洁，在此不再赘述。可选的，该通信装置中还可以包括存储模块，该存储模块可以用于存储数据和/或指令，收发模块710和/或处理模块720可以读取存取模块中的数据和/或指令，从而使得通信装置实现相应的方法。该存储模块例如可以通过至少一个存储器实现。
上述存储模块、处理模块和收发模块可以分离存在，也可以全部或者部分模块集成，例如存储模块和处理模块集成，或者处理模块和收发模块集成等。
请参考图8，为本申请实施例提供的一种通信装置的另一结构示意图。该通信装置800可用于实现上述方法实施例中涉及网络设备的功能，例如，当上述方法实施例中的第一网络设备为核心网设备，第二网络设备为接入网设备时，第一网络设备的功能。该通信装置800可以是核心网设备，或者配置于核心网设备内部的芯片或电路。
通信装置800包括一个或多个处理器801，该一个或多个处理器801可支持通信装置800实现上述方法实施例中第一网络设备执行的方法。处理器801可以是通用处理器或者专用处理器。例如，处理器801可以是中央处理器(central processing unit，CPU)或基带处理器。基带处理器可以用于处理通信数据，CPU可以用于对通信装置(例如，第一网络设备或芯片)进行控制，执行软件程序，处理软件程序的数据。通信装置800还可以包括收发单元805，用以实现信号的输入(接收)和输出(发送)。
例如，通信装置800可以是芯片，收发单元805可以是该芯片的输入和/或输出电路，或者，收发单元805可以是该芯片的通信接口，该芯片可以作为网络设备或其它无线通信设备的组成部分。
通信装置800中可以包括一个或多个存储器802，其上存储有程序804，程序804可被处理器801运行，生成指令803，使得处理器801根据指令803执行上述方法实施例中描述的方法。可选地，存储器802中还可以存储有数据。可选地，处理器1301还可以读取存储器802中存储的数据，该数据可以与程序804存储在相同的存储地址，该数据也可以与程序804存储在不同的存储地址。
处理器801和存储器802可以单独设置，也可以集成在一起，例如，集成在单板或者 系统级芯片(system on chip，SOC)上。
该通信装置800还可以包括收发单元805以及天线806。收发单元805可以称为收发机、收发电路或者收发器，用于通过天线806实现通信装置的收发功能。
请参考图9，为本申请实施例中提供的一种通信装置的又一结构示意图。该通信装置可具体为一种接入网设备，例如基站，用于实现上述任一方法实施例中涉及网络设备的功能，例如，当上述方法实施例中的第一网络设备为核心网设备，第二网络设备为接入网设备时，第二网络设备的功能，或者，当上述方法实施例中的第一网络设备和第二网络设备均为接入网设备时，第一网络设备或第二网络设备的功能。
该网络设备900包括：一个或多个射频单元，如远端射频单元(remote radio unit，RRU)901和一个或多个基带单元(baseband unit，BBU)(也可称为数字单元，digital unit，DU)902。所述RRU901可以称为收发单元、收发机、收发电路、或者收发器等等，其可以包括至少一个天线9011和射频单元9012。所述RRU 901部分主要用于射频信号的收发以及射频信号与基带信号的转换。所述BBU 902部分主要用于进行基带处理，对基站进行控制等。所述RRU 901与BBU 902可以是物理上设置在一起，也可以物理上分离设置的，即分布式基站。
所述BBU 902为基站的控制中心，也可以称为处理单元，主要用于完成基带处理功能，如信道编码，复用，调制，扩频等等。例如所述BBU(处理单元)902可以用于控制基站执行上述方法实施例中关于网络设备的操作流程。
在一个示例中，所述BBU 902可以由一个或多个单板构成，多个单板可以共同支持单一接入指示的无线接入网(如LTE网)，也可以分别支持不同接入制式的无线接入网(如LTE网，5G网或其他网)。所述BBU 902还可以包括存储器9021和处理器9022，所述存储器9021用于存储必要的指令和数据。所述处理器9022用于控制基站进行必要的动作，例如用于控制基站执行上述方法实施例中发送操作。所述存储器9021和处理器9022可以服务于一个或多个单板。也就是说，可以每个单板上单独设置存储器和处理器。也可以是多个单板共用相同的存储器和处理器。此外每个单板上还可以设置有必要的电路。
本申请实施例还提供一种芯片系统，包括：处理器，所述处理器与存储器耦合，所述存储器用于存储程序或指令，当所述程序或指令被所述处理器执行时，使得该芯片系统实现上述任一方法实施例中的对应终端设备的方法或者对应网络设备的方法。
可选地，该芯片系统中的处理器可以为一个或多个。该处理器可以通过硬件实现也可以通过软件实现。当通过硬件实现时，该处理器可以是逻辑电路、集成电路等。当通过软件实现时，该处理器可以是一个通用处理器，通过读取存储器中存储的软件代码来实现。
可选地，该芯片系统中的存储器也可以为一个或多个。该存储器可以与处理器集成在一起，也可以和处理器分离设置，本申请并不限定。示例性的，存储器可以是非瞬时性处理器，例如只读存储器ROM，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请对存储器的类型，以及存储器与处理器的设置方式不作具体限定。
示例性的，该芯片系统可以是现场可编程门阵列(field programmable gate array，FPGA)，可以是专用集成电路(application specific integrated circuit，ASIC)，还可以是SoC，还可以是CPU，还可以是网络处理器(network processor，NP)，还可以是数字信号处理器(digital signal processor，DSP)，还可以是微控制器(micro controller unit，MCU)，还可以是可编程控制器(programmable logic device，PLD)或其他集成芯片。
应理解，上述方法实施例中的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请实施例所公开的方法步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
本申请实施例还提供一种计算机可读存储介质，所述计算机存储介质中存储有计算机可读指令，当计算机读取并执行所述计算机可读指令时，使得计算机执行上述任一方法实施例中的方法。
本申请实施例还提供一种计算机程序产品，当计算机读取并执行所述计算机程序产品时，使得计算机执行上述任一方法实施例中的方法。
本申请实施例还提供一种通信系统，该通信系统包括第一网络设备、第二网络设备和至少一个终端设备。可选的，该通信系统中还可包括核心网设备。该通信系统中包括第一网络设备、第二网络设备和终端设备可以相互配合，以实现上述任一方法实施例。且，该通信系统中包括的第一网络设备、第二网络设备具体实施方式的可参考上文中在图7、图8和图9中对通信装置的相关描述。
应理解，本申请实施例中提及的处理器可以是CPU，还可以是其他通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中提及的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
需要说明的是，当处理器为通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件时，存储器(存储模块)集成在处理器中。
应注意，本文描述的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解，在本申请的各种实施例中涉及的各种数字编号仅为描述方便进行的区分，上述各过程或步骤的序号的大小并不意味着执行顺序的先后，各过程或步骤的执行顺序应以其功能和内在逻辑确定，而不应对本发明实施例的实施过程构成任何限定。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
在本申请的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应所述以权利要求的保护范围为准。

Claims (24)

  1. 一种通信方法，其特征在于，所述方法包括：
    第一网络设备生成寻呼消息，所述寻呼消息用于寻呼终端设备，所述寻呼消息中包括第一指示信息，所述第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；
    所述第一网络设备向第二网络设备发送所述寻呼消息。
  2. 根据权利要求1所述的方法，其特征在于，当所述第一指示信息指示寻呼范围包括NTN小区时，所述第一指示信息还指示所述寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    所述第一网络设备获取所述终端设备的能力信息，所述能力信息用于确定所述终端设备是否支持NTN小区和/或TN小区。
  4. 根据权利要求3所述的方法，其特征在于，若所述终端设备支持NTN小区，所述能力信息还用于确定所述终端设备支持GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述第一网络设备为核心网设备，所述第二网络设备为接入网设备；或者，
    所述第一网络设备和所述第二网络设备均为接入网设备。
  6. 根据权利要求5所述的方法，其特征在于，若所述第一网络设备和所述第二网络设备均为接入网设备，所述方法还包括：
    所述第一网络设备接收来自所述第二网络设备的上下文请求消息，所述上下文请求消息用于请求所述终端设备的用户上下文，所述第一网络设备为所述终端设备的锚点接入网设备，所述第二网络设备为寻呼到所述终端设备的另一接入网设备；
    所述第一网络设备向所述第二网络设备发送上下文响应消息，所述上下文响应消息中包括所述终端设备的能力信息。
  7. 一种通信方法，其特征在于，所述方法包括：
    第二网络设备接收来自第一网络设备的寻呼消息，所述寻呼消息用于寻呼终端设备，所述寻呼消息中包括第一指示信息，所述第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；
    所述第二网络设备根据所述第一指示信息，确定需要寻呼所述终端设备的小区。
  8. 根据权利要求7所述的方法，其特征在于，当所述第一指示信息指示寻呼范围包括NTN小区时，所述第一指示信息还指示所述寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
  9. 根据权利要求7或8所述的方法，其特征在于，所述第一网络设备为核心网设备，所述第二网络设备为接入网设备；或者，
    所述第一网络设备和所述第二网络设备均为接入网设备。
  10. 根据权利要求9所述的方法，其特征在于，若所述第一网络设备和所述第二网络设备均为接入网设备，所述方法还包括：
    所述第二网络设备向所述第一网络设备发送上下文请求消息，所述上下文请求消息用 于请求所述终端设备的用户上下文，所述第一网络设备为所述终端设备的锚点网络设备，所述第二网络设备为寻呼到所述终端设备的另一接入网设备；
    所述第二网络设备接收来自所述第一网络设备的上下文响应消息，所述上下文响应消息中包括所述终端设备的能力信息。
  11. 一种通信装置，其特征在于，所述装置包括：
    处理模块，用于生成寻呼消息，所述寻呼消息用于寻呼终端设备，所述寻呼消息中包括第一指示信息，所述第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；
    收发模块，用于向第二网络设备发送所述寻呼消息。
  12. 根据权利要求11所述的装置，其特征在于，当所述第一指示信息指示寻呼范围包括NTN小区时，所述第一指示信息还指示所述寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
  13. 根据权利要求11或12所述的装置，其特征在于，所述处理模块还用于：
    获取所述终端设备的能力信息，所述能力信息用于确定所述终端设备是否支持NTN小区和/或TN小区。
  14. 根据权利要求13所述的装置，其特征在于，若所述终端设备支持NTN小区，所述能力信息还用于确定所述终端设备支持GEO卫星小区、LEO卫星小区和HAPS小区中的一种或多种。
  15. 根据权利要求11至14中任一项所述的装置，其特征在于，所述通信装置为核心网设备，所述第二网络设备为接入网设备；或者，
    所述通信装置和所述第二网络设备均为接入网设备。
  16. 根据权利要求15所述的装置，其特征在于，若所述通信装置和所述第二网络设备均为接入网设备，所述收发模块，还用于接收来自所述第二网络设备的上下文请求消息，所述上下文请求消息用于请求所述终端设备的用户上下文，所述通信装置为所述终端设备的锚点网络设备，所述第二网络设备为寻呼到所述终端设备的另一接入网设备；
    所述收发模块，还用于向所述第二网络设备发送上下文响应消息，所述上下文响应消息中包括所述终端设备的能力信息。
  17. 一种通信装置，其特征在于，所述装置包括：
    收发模块，用于接收来自第一网络设备的寻呼消息，所述寻呼消息用于寻呼终端设备，所述寻呼消息中包括第一指示信息，所述第一指示信息指示寻呼范围包括非陆地网络NTN小区和/或陆地网络TN小区；
    处理模块，用于根据所述第一指示信息，确定需要寻呼所述终端设备的小区。
  18. 根据权利要求17所述的装置，其特征在于，当所述第一指示信息指示寻呼范围包括NTN小区时，所述第一指示信息还指示所述寻呼范围包括高轨GEO卫星小区、低轨LEO卫星小区和高空平台HAPS小区中的一种或多种。
  19. 根据权利要求17或18所述的装置，其特征在于，所述第一网络设备为核心网设备，所述通信装置为接入网设备；或者，
    所述第一网络设备和所述通信装置均为接入网设备。
  20. 根据权利要求19所述的装置，其特征在于，若所述第一网络设备和所述通信装置均为接入网设备，所述收发模块，还用于向所述第一网络设备发送上下文请求消息，所述 上下文请求消息用于请求所述终端设备的用户上下文，所述第一网络设备为所述终端设备的锚点网络设备，所述通信装置为寻呼到所述终端设备的另一接入网设备；
    所述收发模块，还用于接收来自所述第一网络设备的上下文响应消息，所述上下文响应消息中包括所述终端设备的能力信息。
  21. 一种通信装置，其特征在于，所述装置包括至少一个处理器，所述至少一个处理器与至少一个存储器耦合；
    所述至少一个处理器，用于执行所述至少一个存储器中存储的计算机程序或指令，以使得所述装置执行如权利要求1至6中任一项所述的方法，或者使得所述装置执行如权利要求7至10中任一项所述的方法。
  22. 一种通信装置，其特征在于，包括处理器和接口电路；
    所述接口电路，用于交互代码指令至所述处理器；
    所述处理器用于运行所述代码指令以执行如权利要求1至6中任一项所述的方法，或者所述处理器用于运行所述代码指令以执行如权利要求7至10中任一项所述的方法。
  23. 一种计算机可读存储介质，其特征在于，用于存储指令，当所述指令被执行时，使如权利要求1至6中任一项所述的方法被实现，或者使如权利要求7至10中任一项所述的方法被实现。
  24. 一种计算机程序产品，其特征在于，当计算机读取并执行所述计算机程序产品时，使得计算机执行如权利要求1至6中任一项所述的方法，或者执行如权利要求7至10中任一项所述的方法。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024060017A1 (zh) * 2022-09-20 2024-03-28 深圳传音控股股份有限公司 寻呼方法、通信设备及存储介质

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4381841A1 (en) * 2021-08-04 2024-06-12 Qualcomm Incorporated Paging in discontinuous coverage
CN116648943A (zh) * 2021-12-22 2023-08-25 北京小米移动软件有限公司 测量能力信息生成方法及装置
CN118975340A (zh) * 2022-04-22 2024-11-15 Oppo广东移动通信有限公司 无线通信的方法及通信装置
EP4598172A1 (en) * 2022-09-30 2025-08-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Communication method and communication apparatus
US20240323912A1 (en) * 2023-03-24 2024-09-26 Qualcomm Incorporated Techniques for paging offloading
EP4712580A1 (en) * 2023-05-10 2026-03-18 Beijing Xiaomi Mobile Software Co., Ltd. Access indication method, apparatus, device, and storage medium
CN116567754B (zh) * 2023-07-06 2023-10-03 中国电信股份有限公司 切换方法、系统、装置、设备及存储介质
WO2025023558A1 (ko) * 2023-07-24 2025-01-30 한국전자통신연구원 통신 시스템에서 다중 연결을 위한 방법 및 장치
WO2025078423A1 (en) * 2023-10-11 2025-04-17 Sony Group Corporation Paging of communications devices of non-terrestrial communication networks
CN119815360A (zh) * 2023-10-11 2025-04-11 中国电信股份有限公司技术创新中心 无线接入的控制方法、装置、系统和存储介质
WO2025148056A1 (zh) * 2024-01-12 2025-07-17 北京小米移动软件有限公司 信息接收、发送方法和装置以及空中、地面网络设备
CN121312217A (zh) * 2024-02-01 2026-01-09 北京小米移动软件有限公司 寻呼方法、通信设备、通信系统、存储介质
CN120434723A (zh) * 2024-02-05 2025-08-05 维沃移动通信有限公司 接入控制方法、信息发送方法、装置、终端及网络侧设备
WO2026016190A1 (zh) * 2024-07-19 2026-01-22 北京小米移动软件有限公司 通信方法、终端、第一网络设备、系统及存储介质
CN121463195A (zh) * 2024-08-02 2026-02-03 华为技术有限公司 通信方法、装置及存储介质
CN121604115A (zh) * 2024-08-14 2026-03-03 华为技术有限公司 通信方法、装置及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019075659A1 (zh) * 2017-10-18 2019-04-25 南通朗恒通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN110972257A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 通信方法、相关设备及计算机存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8009628B2 (en) * 2007-02-28 2011-08-30 Telefonaktiebolaget Lm Ericsson (Publ) Private mobility management enhancements
WO2016082147A1 (zh) * 2014-11-27 2016-06-02 华为技术有限公司 寻呼方法、基站及寻呼系统
CN110035498B (zh) * 2018-01-12 2022-08-26 华为技术有限公司 一种通信方法，设备及其系统
KR102756317B1 (ko) * 2018-10-30 2025-01-16 인터디지탈 패튼 홀딩스, 인크 이동 네트워크의 이동성을 위한 방법 및 장치
EP3909327A1 (en) * 2019-01-11 2021-11-17 Telefonaktiebolaget LM Ericsson (publ) Apparatus and method for facilitating index-based positioning in a non-terrestrial network
US11751165B2 (en) * 2019-01-18 2023-09-05 Sony Group Corporation Wireless communications network, infrastructure equipment, communications device and methods
CN119545511A (zh) * 2019-06-07 2025-02-28 交互数字专利控股公司 用于支持多sim用户装备的蜂窝系统增强的装置、系统、方法和计算机可读介质
CN110636609A (zh) * 2019-10-23 2019-12-31 广州爱浦路网络技术有限公司 基于卫星网络终端寻呼优化的方法
US11632735B2 (en) * 2020-04-08 2023-04-18 Qualcomm Incorporated Change of tracking area code for wireless networks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019075659A1 (zh) * 2017-10-18 2019-04-25 南通朗恒通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN110972257A (zh) * 2018-09-29 2020-04-07 华为技术有限公司 通信方法、相关设备及计算机存储介质

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
LG ELECTRONICS INC.: "Discussion on the Issue for paging in NTN.", 3GPP TSG-RAN WG2#104 R2- 1816447., 16 November 2018 (2018-11-16), XP051480408 *
See also references of EP4145923A4 *
ZTE ET AL.: "Discussion on Network Identities in NTN.", 3GPP TSG-RAN WG2 #103BIS R2-1814244., 12 October 2018 (2018-10-12), XP051523697 *
ZTE ET AL.: "Tracking Area Management and Paging Handling in NTN.", 3GPP TSG RAN WG3#103 R3-190139., 1 March 2019 (2019-03-01), XP051604086 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024060017A1 (zh) * 2022-09-20 2024-03-28 深圳传音控股股份有限公司 寻呼方法、通信设备及存储介质

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