WO2024250129A1 - 用于通信的方法、终端设备以及核心网网元 - Google Patents

用于通信的方法、终端设备以及核心网网元 Download PDF

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Publication number
WO2024250129A1
WO2024250129A1 PCT/CN2023/098226 CN2023098226W WO2024250129A1 WO 2024250129 A1 WO2024250129 A1 WO 2024250129A1 CN 2023098226 W CN2023098226 W CN 2023098226W WO 2024250129 A1 WO2024250129 A1 WO 2024250129A1
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WIPO (PCT)
Prior art keywords
network element
core network
information
terminal device
request
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/CN2023/098226
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English (en)
French (fr)
Inventor
卢飞
郭雅莉
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.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp 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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202380098919.6A priority Critical patent/CN121444506A/zh
Priority to EP23940031.0A priority patent/EP4723716A1/en
Priority to PCT/CN2023/098226 priority patent/WO2024250129A1/zh
Publication of WO2024250129A1 publication Critical patent/WO2024250129A1/zh
Priority to US19/409,017 priority patent/US20260089724A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/21Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/14Direct-mode setup

Definitions

  • the present application relates to the field of communication technology, and more specifically, to a method, terminal equipment and core network element for communication.
  • the first terminal device can realize non-direct connection communication between the second terminal device and the network device.
  • the first terminal device can be an ordinary terminal device
  • the second terminal device can be a zero-power device.
  • the ordinary terminal device can be used as a transceiver of the zero-power device.
  • the first terminal device can perceive the second terminal device through a private interface. That is, the network cannot perceive the information of the second terminal device. Since the private interface cannot achieve intercommunication between terminal devices manufactured by different manufacturers, consumers have to purchase the first terminal device and the second terminal device produced by the same manufacturer at the same time to achieve non-direct communication of the second terminal device.
  • the manufacturer or provider of the second terminal device can deploy a service server on its own to alleviate the bundling between the first terminal device and the second terminal device to a certain extent. However, this will increase the cost of the manufacturer or service provider and make the network structure more complicated.
  • the present application provides a method, a terminal device and a core network element for communication.
  • the following introduces various aspects involved in the present application.
  • a method for communication comprising: a first terminal device sends first information to a first core network element via a user plane message; wherein the first information is used to indicate information of a second terminal device.
  • a method for communication comprising: a first core network element receives first information sent by a first terminal device through a user plane message; wherein the first information is used to indicate information of a second terminal device.
  • a method for communication comprising: a second core network element sends information of a first core network element to a first terminal device; wherein the first core network element is used to receive the first information via a user plane message, and the first information is used to indicate information of the second terminal device.
  • a terminal device which is a first terminal device, and includes: a first sending unit, used to send first information to a first core network element via a user plane message; wherein the first information is used to indicate information of a second terminal device.
  • a core network element which is a first core network element, and includes: a second receiving unit, used to receive first information sent by a first terminal device through a user plane message; wherein the first information is used to indicate information of a second terminal device.
  • a core network network element which is a second core network network element, and the core network network element includes: a second sending unit, used to send information of the first core network network element to the first terminal device; wherein the first core network network element is used to receive first information through a user plane message, and the first information is used to indicate information of the second terminal device.
  • a terminal device comprising a processor and a memory, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer program in the memory so that the terminal device executes part or all of the steps in the method of the first aspect.
  • a core network element comprising a processor, a memory and a transceiver, wherein the memory is used to store one or more computer programs, and the processor is used to call the computer programs in the memory so that the core network element executes part or all of the steps in the method of the second aspect and/or the third aspect.
  • an embodiment of the present application provides a communication system, which includes the above-mentioned terminal device and/or core network element.
  • the system may also include other devices that interact with the terminal device or core network element in the solution provided in the embodiment of the present application.
  • an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program enables the terminal device and/or core network element to execute part or all of the steps in the methods of the above aspects.
  • an embodiment of the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a terminal device and/or a core network element to perform some or all of the steps in the above-mentioned various aspects of the method.
  • the computer program product may be a software installation package.
  • an embodiment of the present application provides a chip, which includes a memory and a processor.
  • the processor can call and run a computer program from the memory to implement some or all of the steps described in the methods of the above aspects.
  • the network side can obtain the information of the second terminal device, thereby perceiving the second terminal device.
  • the first terminal device does not need to obtain the information of the second terminal device through a private interface. This achieves the unbinding of the first terminal device and the second terminal device.
  • the manufacturer or supplier of the second terminal device the manufacturer or supplier does not need to deploy the server by itself, thereby reducing costs and network complexity.
  • FIG1 is a schematic diagram of a network architecture provided in an embodiment of the present application.
  • FIG2 is a schematic diagram of the architecture of a zero-power communication system applicable to an embodiment of the present application.
  • FIG3 is a diagram showing an example of an architecture of non-direct communication applicable to an embodiment of the present application.
  • FIG4 is a schematic flowchart of a method for communication provided in an embodiment of the present application.
  • FIG5 is a schematic flowchart of a method for communication provided in Embodiment 1 of the present application.
  • FIG6 is a schematic flowchart of a method for communication provided in Embodiment 2 of the present application.
  • FIG. 7 is a schematic structural diagram of a terminal device provided in an embodiment of the present application.
  • FIG8 is a schematic structural diagram of a core network element provided in an embodiment of the present application.
  • FIG9 is a schematic structural diagram of another core network element provided in an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a device for communication provided in an embodiment of the present application.
  • FIG1 is a schematic diagram of a network architecture provided in an embodiment of the present application.
  • the network architecture may include terminal equipment, access network (AN) network elements and core network network elements.
  • the access network network elements and the core network network elements may both be network elements on the network side. That is, the network equipment may include access network network elements and core network network elements.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: the fifth generation (5th generation, 5G) system or new radio (new radio, NR), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), etc.
  • 5G fifth generation
  • NR new radio
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • FDD frequency division duplex
  • TDD time division duplex
  • future communication systems such as the sixth generation mobile communication system, satellite communication system, etc.
  • the terminal device in the embodiment of the present application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless core network element, user agent or user device.
  • the terminal device in the embodiment of the present application may be a device that provides voice and/or data connectivity to a user, and can be used to connect people, objects and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc.
  • the terminal device in the embodiment of the present application can be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc.
  • the UE can be used to act as a base station.
  • the UE can act as a scheduling entity, which provides sidelink signals between UEs in vehicle-to-everything (V2X) or device-to-device (D2D), etc.
  • V2X vehicle-to-everything
  • D2D device-to-device
  • cell phones and cars use sidelink signals to communicate with each other.
  • Cell phones and smart home devices communicate with each other without relaying the communication signals through a base station.
  • the access network element may be an access network device.
  • the access network device may be an access device that a terminal accesses to the network architecture wirelessly, and is mainly responsible for wireless resource management, quality of service (QoS) management, data compression and encryption, etc. on the air interface side.
  • the access network device may also be called a radio access network (RAN) device, such as a base station.
  • RAN radio access network
  • a base station may broadly cover various names as follows, or be replaced with the following names, such as: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission point (TRP), transmission point (TP), master eNB (MeNB), secondary eNB (SeNB), multi-standard radio (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, base band unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc.
  • a base station may be a macro base station, a micro base station, a relay node, a donor node, or the like, or a combination thereof.
  • a base station may also refer to a communication module, modem or chip used to be set in the aforementioned device or apparatus.
  • a base station may also be a mobile switching center and a device that performs base station functions in D2D, V2X, machine-to-machine (M2M) communications, a network-side device in a 6G network, or a device that performs base station functions in future communication systems.
  • a base station may support networks with the same or different access technologies. The embodiments of the present application provide for access network devices. There is no limitation on the specific technology and equipment used.
  • Base stations can be fixed or mobile.
  • a helicopter or drone can be configured to act as a mobile base station, and one or more cells can move based on the location of the mobile base station.
  • a helicopter or drone can be configured to act as a device that communicates with another base station.
  • the access network device in the embodiments of the present application may refer to a CU or a DU, or the access network device includes a CU and a DU.
  • the gNB may also include an AAU.
  • the core network element may be a core network device.
  • the types of the core network element may include a user plane function (UPF) element, an access and mobility management function (AMF) element, a session management function (SMF) element, a policy control function (PCF) element, an application function (AF), a data network (DN), a network slice selection function (NSSF), an authentication server function (AUSF), a unified data management function (UDM), the network exposure function (NEF), a network repository function (NRF), and a network slice-specific authentication and authorization function (NSSAAF).
  • UPF user plane function
  • AMF access and mobility management function
  • SMF session management function
  • PCF policy control function
  • AF application function
  • DN data network
  • NSSF network slice selection function
  • AUSF authentication server function
  • UDM unified data management function
  • NEF network exposure function
  • NRF network repository function
  • NSSAAF network slice-specific authentication and authorization function
  • the UPF network element is mainly responsible for the transmission of user data
  • other network elements can be called control plane function network elements, which are mainly responsible for authentication, authorization, registration management, session management, mobility management and policy control, etc., to ensure reliable and stable transmission of user data.
  • UPF network elements can be used to forward and receive data from terminals.
  • UPF network elements can receive service data from the data network and transmit it to the terminal through the access network device;
  • UPF network elements can also receive user data from the terminal through the access network device and forward it to the data network.
  • the transmission resources allocated and scheduled by the UPF network element for the terminal are managed and controlled by the SMF network element.
  • the bearer between the terminal and the UPF network element may include: the user plane connection between the UPF network element and the access network device, and the establishment of a channel between the access network device and the terminal.
  • the user plane connection is a QoS flow that can be established between the UPF network element and the access network device to transmit data.
  • the AMF network element can be used to manage the terminal access to the core network, such as: terminal location update, network registration, access control, terminal mobility management, terminal attachment and detachment, etc.
  • the AMF network element can also provide control plane storage resources for the session to store the session identifier, the SMF network element identifier associated with the session identifier, etc. while providing services for the terminal session.
  • SMF network elements can be used to select user plane network elements for terminals, redirect user plane network elements for terminals, allocate Internet protocol (IP) addresses for terminals, establish bearers (also called sessions) between terminals and UPF network elements, modify and release sessions, and control QoS.
  • IP Internet protocol
  • a session can be a protocol data unit (PDU) session.
  • PDU protocol data unit
  • the PCF network element is used to provide policies to the AMF network element and the SMF network element, such as QoS policy and slice selection policy.
  • the AF network element is used to interact with the 3GPP core network elements to support application-affected data routing, access network exposure functions, and interact with the PCF network elements for policy control.
  • DN can provide data services to users for IP multimedia service (IMS) networks, the Internet, etc.
  • IMS IP multimedia service
  • AS application servers
  • AS can implement the functions of AF.
  • NSSF is used for network slice selection and supports the following functions: selecting a set of network slice instances to serve the UE; determining the allowed network slice selection assistance information (NSSAI) and, when necessary, determining the mapping to the contracted single-network slice selection assistance information (S-NSSAI); determining the configured NSSAI and, when necessary, determining the mapping to the contracted S-NSSAI; determining the set of AMFs that may be used to query the UE, or determining a list of candidate AMFs based on the configuration.
  • NSSAI allowed network slice selection assistance information
  • S-NSSAI single-network slice selection assistance information
  • AUSF is used to receive AMF's request for terminal identity authentication, request a key from UDM, and then forward the issued key to AMF for authentication processing.
  • UDM includes functions such as the generation and storage of user contract data and the management of authentication data, and supports interaction with external third-party servers.
  • NEF is used for capability exposure, that is, based on NEF, network capabilities can be exported to external networks. External non-trusted applications can access core network internal data through NEF to ensure network security. NEF can provide external application QoS capability exposure, event subscription, AF request distribution and other functions.
  • NRF is used to register, manage, and detect the status of core network elements, thereby realizing the automated management of core network elements.
  • Registration information may include, for example, the type, address, and service list of the core network element.
  • NWDAF network data analytics function
  • core network elements may also be referred to as network functions (NFs).
  • NFs network functions
  • Each network element in FIG1 can be a network element in a hardware device, a software function running on dedicated hardware, or a virtualized function instantiated on a platform (e.g., a cloud platform). It should be noted that the network architecture shown in the above figure is only an example of the network elements included in the entire network architecture. In the embodiments of the present application, the network elements included in the entire network architecture are not limited.
  • FIG1 does not constitute a limitation on the network architecture, and in specific implementation, the network architecture may include more or fewer network elements than shown in the figure, or combine certain network elements, etc. It should be understood that in FIG1, AN or RAN is represented in the form of (R)AN.
  • Zero-power communication system can be used in wireless industrial sensing network, smart agriculture, smart warehousing and logistics, smart home and other scenarios.
  • Zero-power communication technology is a wireless communication technology suitable for short distances and low rates.
  • the 5G system in the 3GPP standard can support the demand for zero-power terminals to access the network.
  • the zero-power devices supported by the 3GPP standard are mainly targeted at scenarios with the following characteristics: extreme environments that are not suitable for ordinary terminals to work; using terminals with very low power consumption and cost; and battery-free terminals.
  • the zero-power communication technology is described below in conjunction with FIG. 2 .
  • FIG2 is an architecture of a zero-power communication system 200 applicable to an embodiment of the present application.
  • the architecture shown in FIG2 includes communication devices such as a reader/writer 210 and a zero-power terminal device 220.
  • the reader/writer 210 can be used to read information from the zero-power terminal device 220, and/or the reader/writer 210 can be used to write information on the zero-power terminal device 220.
  • the reader/writer 210 is a communication device with reading and writing functions, and the device can be a network device or a terminal device.
  • the reader/writer 210 can be used to send a wireless power supply signal to the zero-power terminal device 220 to power the terminal. Accordingly, the terminal 220 can send data to the reader/writer 210 or other communication devices via a backscatter signal.
  • the zero-power terminal device 220 can be an electronic tag or an ordinary device.
  • the electronic tag can be composed of a coupling component and a chip. Each electronic tag can have a unique electronic code.
  • the electronic tag can be placed on the target to be measured to achieve the purpose of marking the target object.
  • the reader can not only read the information on the electronic tag, but also write the information on the electronic tag.
  • the reader can also provide the electronic tag with the energy required for communication. After the electronic tag enters the electromagnetic field, it can receive the radio frequency signal emitted by the reader.
  • the electronic tag can use the energy obtained from the electromagnetic field generated in the space to transmit the information stored in the electronic tag.
  • the reader can read the information and decode it to identify the electronic tag.
  • Zero-power technology mainly combines RF energy collection technology, backscattering technology, and low-power computing technology to achieve the advantage of device nodes not carrying power supplies.
  • the core of RF energy collection is to convert RF energy into DC.
  • the energy can be stored in batteries or capacitors, or it can be directly used to drive logic circuits, digital chips or sensor devices after collection, to complete the modulation and transmission of backscattered signals, the collection and processing of sensor information and other functions and applications.
  • the zero-power terminal device 220 may include an energy collection module 221 and a backscatter communication module 222.
  • the energy collection module 221 may implement energy collection using radio frequency energy collection technology.
  • the backscatter communication module 222 may implement backscatter communication using backscatter technology.
  • the zero-power terminal device 220 may also include: one or more of a low-power computing module 223, a sensor module 224, and a memory 225.
  • terminals can be divided into three categories based on their energy sources and energy usage: passive zero-power terminals, semi-passive zero-power terminals, and active zero-power terminals. They are introduced below.
  • Passive zero-power terminals do not need internal batteries.
  • a zero-power terminal When a zero-power terminal is close to a reader (such as a reader of a radio frequency identification (RFID) system), the zero-power terminal is within the near field formed by the radiation of the reader antenna.
  • the passive zero-power terminal antenna generates an induced current through electromagnetic induction, which drives the low-power chip circuit of the zero-power terminal, thereby realizing the demodulation of the forward link signal and the modulation of the backward link signal.
  • the passive zero-power terminal uses the backscatter implementation method to transmit the signal.
  • the passive zero-power terminal does not require a built-in battery to drive either the forward link or the reverse link, and is a truly zero-power terminal.
  • Passive zero-power terminals do not require batteries, and the RF circuit and baseband circuit are very simple. For example, they do not require low-noise amplifiers (LNA), power amplifiers (PA), crystal oscillators, analog-to-digital converters (ADC), etc. Therefore, passive zero-power terminals have many advantages such as small size, light weight, low price, and long service life.
  • LNA low-noise amplifiers
  • PA power amplifiers
  • ADC analog-to-digital converters
  • passive zero-power terminals may also include: 1) no battery; 2) the ability to obtain energy from the surrounding environment (such as radio waves, solar energy, wind energy, mechanical kinetic energy, etc.); 3) no universal subscriber identity module (USIM) card.
  • This type of terminal device can also store a certain amount of energy through the surrounding environment, but the energy is very small. Therefore, compared with ordinary mobile phone terminals, passive zero-power terminals support much less functional logic.
  • the semi-passive zero-power terminal itself does not have a conventional battery installed, but can use a radio frequency (RF) energy harvesting module to harvest radio wave energy and store the harvested energy in an energy storage unit (such as a capacitor). After the energy storage unit obtains energy, it can drive the low-power chip circuit of the zero-power terminal to achieve forward link signal demodulation and backward link signal modulation. For the backscatter link, the semi-passive zero-power terminal uses the backscatter implementation method to transmit the signal.
  • RF radio frequency
  • the semi-passive zero-power terminal does not need a built-in battery to drive the forward link or the reverse link.
  • the energy stored in the energy storage unit is used in the work, the energy comes from the radio energy collected by the energy collection module. Therefore, this type of terminal equipment is also a true zero-power terminal.
  • Semi-passive zero-power consumption terminals inherit many advantages of passive zero-power consumption terminals, namely, small size, light weight, very cheap price, long service life and many other advantages.
  • the zero-power terminal can also be an active zero-power terminal, which can have a built-in battery.
  • the battery is used to drive the low-power chip circuit of the zero-power terminal, thereby realizing the demodulation of the forward link signal and the signal modulation of the reverse link.
  • the zero-power terminal uses the backscatter implementation method to transmit the signal. Therefore, the zero power consumption of this type of terminal is mainly reflected in the fact that the signal transmission of the reverse link does not require the terminal's own power, but uses the backscatter method.
  • Active zero-power terminals can have built-in batteries to power RFID chips, thereby increasing the read and write distance of tags and improving communication reliability. Therefore, such terminal devices can be used in some scenarios with relatively high requirements for communication distance, reading delay, etc.
  • the above-mentioned zero-power terminal device may include: an ambient power-enabled internet of things (AIoT) device.
  • AIoT internet of things
  • the first terminal device can implement indirect communication between the second terminal device and the network device, that is, the second terminal device can implement indirect communication with the network device through the first terminal device.
  • the first terminal device 320 may be, for example, an ordinary terminal device, and the second terminal device 310 may be, for example, an AIoT terminal device (e.g., a tag). As shown in FIG3 , the first terminal device 320 may be used as a reader/writer for the second terminal device 330, thereby realizing backscatter communication between the first terminal device 320 and the second terminal device 330. Through the first terminal device 320, the second terminal device 330 may communicate with the network device 310.
  • the network device 310 may be, for example, a core network element (e.g., an AF network element).
  • the first terminal device 320 may communicate with the network device through a network (e.g., a 3GPP network or other wired broadband network).
  • the first terminal device 320 can collect information about the second terminal device 330 through a private interface.
  • the first terminal device 320 reports the collected data of the second terminal device 330 to the AF network element through the network. In this case, only the first terminal identification can perceive the second terminal device, and the network cannot perceive the second terminal device 330.
  • the first terminal device When the network cannot perceive the second terminal device, only the first terminal device can obtain the information of the second terminal device through the private interface. Since the private interface cannot realize the intercommunication between terminal devices manufactured by different manufacturers, consumers have to purchase the first terminal device and the second terminal device at the same time to realize the non-direct communication of the second terminal device.
  • the manufacturer or provider of the second terminal device can deploy the service server by itself to alleviate the bundling between the first terminal device and the second terminal device to a certain extent. However, this will increase the cost of the manufacturer or service provider and make the network structure more complicated.
  • the present application proposes a first core network network element.
  • the first core network network element can be used to collect information of a second terminal device.
  • the first core network network element can be used to collect information of a specific terminal device.
  • the specific terminal device may be a terminal device that satisfies the first condition.
  • the first condition may include: the terminal device performs non-direct communication, that is, the first core network network element may have the function of collecting or acquiring information of terminal devices performing non-direct communication.
  • the first condition may include: the terminal device is an AIoT device or a zero-power device, that is, the first core network network element may have the function of collecting or acquiring information of an AIoT device or a zero-power device.
  • the network side can obtain the information of the second terminal device, thereby perceiving the second terminal device.
  • the first terminal device does not need to obtain the information of the second terminal device through a private interface, thereby realizing the unbinding of the first terminal device and the second terminal device.
  • consumers can purchase the first terminal device of any manufacturer, and the network side can perceive the information of the second terminal device.
  • the manufacturer or supplier of the second terminal device the manufacturer or supplier does not need to deploy the server by itself, thereby reducing costs and network complexity.
  • the information of the second terminal device may be indicated by the first information.
  • Fig. 4 is a schematic flow chart of a method for communication provided in an embodiment of the present application.
  • the method shown in Fig. 4 may be performed by a first terminal device and a first core network element.
  • the method shown in Fig. 4 may include step S410.
  • Step S410 The first terminal device sends the first information.
  • the first core network element receives the first information.
  • the first information may be sent via a user plane message.
  • the first information may be used to indicate information of the second terminal device.
  • the information of the second terminal device may be related to the second terminal device.
  • the information of the second terminal device may include one or more of the following information: an identification (ID) of the second terminal device, a signal (which may include data, indication information, etc.) sent by the second terminal device.
  • ID an identification
  • signal which may include data, indication information, etc.
  • the first core network element may be used to collect information about the second terminal device. That is, the first core network element may have the function of collecting information about the second terminal device.
  • the second terminal device may be a terminal device of a specific type.
  • the second terminal device may be an AIoT device or a zero-power device.
  • the first core network element may have the function of collecting or acquiring information about the AIoT device or the zero-power device.
  • the first information can be sent directly, that is, the first information is sent directly from the first terminal device to the first core network element.
  • the first information can be sent indirectly, that is, the first information can be sent from the first terminal device to other communication devices, and the other communication devices forward the first information to the first core network element.
  • the first core network element may report the first information to other core network elements.
  • the first core network element may report the first information to the AF.
  • the method shown in FIG4 may further include step S405.
  • the method shown in FIG4 may be performed by a second core network element and a first terminal device.
  • the second core network element may be a network element different from the first core network element.
  • the second core network element may include one or more of the following network elements: an SMF network element, an AF network element.
  • Step S405 The second core network element may send information about the first core network element.
  • the first terminal device may receive information about the first core network element.
  • the information of the first core network element may be any information related to the first core network element.
  • the information of the first core network element may include one or more of the following information of the first core network element: address, link, fully qualified domain name (fully qualified domain name, FQDN), DNN address, single network slice selection assistance information (single network slice selection assistance information, S-NSSAI).
  • step S405 may be performed earlier than step S410. That is, before the first terminal device sends the first information, the first terminal device may receive information of the first core network element.
  • the first terminal device can obtain the information of the first core network element through the second core network element, thereby determining that the first core network element can be used to collect information of the second terminal device, thereby enabling the first terminal device to determine the destination address of the first information.
  • the first core network element may be determined by the first terminal device and/or the network device. That is, the first core network element may be determined by the terminal device side or the network side.
  • the network device that determines the first core network element may be, for example, the second core network element.
  • the first terminal device may send a message requesting to discover the first core network element.
  • the second core network element may reply with information of the first core network element, so that the first terminal device discovers the first core network element. That is, step S405 may include: in response to receiving the request to discover the first core network element, the second core network element sends information of the first core network element.
  • the first terminal device may send the second information so that the network side can determine the first core network element.
  • the second information may be used to indicate information of the first core network element.
  • step of the first terminal device sending the second information can be implemented in combination with the step of the first terminal device sending the first information.
  • the first terminal device can send the second information.
  • the first core network network element can be determined or discovered during the PDU session establishment process.
  • step S405 can be performed during the PDU session establishment process. It is understandable that some steps of the PDU session establishment process can be reused to determine, discover or select the first core network network element. In this case, the determination process, discovery process or selection process of the first core network network element consumes fewer resources and is more efficient.
  • the message requesting discovery of the first core network element may be implemented based on the first request.
  • the first terminal device may send the first request.
  • the first request may be used to request establishment of a PDU session, and may also be used to request discovery of the first core network element.
  • the network device e.g., the second core network element
  • the network device may select or determine the first core network element for the first terminal device.
  • the step of the first terminal device sending the first request can be implemented in combination with the step of the first terminal device sending the first information. For example, before the first terminal device sends the first information, the first terminal device can send the first request. When the first terminal device receives a response to the first request, the first terminal device can send the first information.
  • the present application does not limit the message that carries the first request.
  • the first request can be carried in an uplink (UL) non-access stratum (NAS) transmission message.
  • the first request can be carried in the request type (request type) in the uplink NAS transmission message. That is, the request type can indicate that the first request is used to discover the first core network element.
  • the AMF can select a suitable SMF. The selected SMF can select a suitable UPF to serve the first terminal device.
  • the first request or the message carrying the first request may also be used to indicate the first indication information.
  • the first indication information may be information related to the selection or determination of the first core network element. That is, according to the first indication information, the network device may select or determine a suitable first core network element, thereby optimizing the communication process. For example, when the network When there are multiple optional core network elements for collecting AIoT device information in the network, the network side can further select a core network element for collecting AIoT device information that meets the requirements of the first indication information as the first core network element.
  • the first indication information may, for example, include one or more of the following information: an indication of a core network element requesting discovery of terminal device information, an identifier of the AF, an identifier of a service provider, and an identifier of an application.
  • the indication of requesting to discover the core network element for collecting terminal device information can be represented by one bit.
  • the one bit can be 0 or 1.
  • the terminal device requests to discover the first core network element through the indication; when the indication of requesting to discover the core network element for collecting terminal device information is 0, the terminal device does not request to discover the first core network element through the indication.
  • the terminal device requests to discover the first core network element through the indication; when the indication of requesting to discover the core network element for collecting terminal device information is 1, the terminal device does not request to discover the first core network element through the indication.
  • the indication of requesting to discover the core network element for collecting terminal device information can also be called the core network element indication for collecting AIoT device information (AIoT device collection NF indication).
  • the first indication information may be included in a protocol configuration option (PCO) in the first request.
  • PCO protocol configuration option
  • the PCO may be used to indicate to the network side (e.g., an SMF network element) that the terminal device needs to establish an address or connection of a core network element for discovering and collecting terminal device information.
  • the second core network element may send information of the first core network element to the first terminal device.
  • the second core network element may also actively send information of the first core network element to the first terminal device.
  • the second core network element may send the information of the first core network element in a PCO manner.
  • the second core network element may send the information of the first core network element in a PCO manner.
  • the information of the first core network network element can be indicated by the parameters of establishing a PDU session.
  • the second core network network element can be an AF network element.
  • the AF network element can configure the parameters of establishing a PDU session to the first terminal device through the PCF.
  • the parameter may include the DNN and/or S-NSSAI of the first core network network element. It can be understood that in this way, it is possible to directly indicate the establishment of a PDU session corresponding to the core network element that collects terminal device information during the PDU session establishment process.
  • the first core network element may be a core network element specially set up for collecting terminal device information.
  • the first core network element may be different from any core network element shown in FIG1.
  • a core network element specially set up for collecting terminal device information can make the function of the network element relatively independent, so that the operation efficiency of the network element is higher.
  • the first core network element may also be any type of core network element described above. That is, the first core network element can be used not only to collect information of terminal devices, but also to perform other functions. On the one hand, this can reduce the number of core network elements set up, thereby reducing the network deployment cost of the communication system.
  • the first core network element may be a core network element that needs to be selected during the establishment of a PDU session. It can be understood that in the process of establishing a PDU session, the first core network element can be synchronously determined, thereby simplifying the discovery or determination process of the first core network element.
  • the first core network element may be a UPF element.
  • the first core network element may be determined by a UPF selection process during the PDU session establishment process. For example, during the PDU session establishment process, the SMF selects the UPF and needs to select a UPF with a function of collecting terminal device information.
  • the UPF may be determined based on the first indication information and/or the second information.
  • the description of the first indication information and the second information can be found above and will not be repeated here.
  • Example 1 For ease of understanding, the present application is described in detail below through Example 1 and Example 2.
  • Figure 5 is a schematic flow chart of a method for communication provided in Embodiment 1.
  • the method shown in Figure 5 can be performed by tags, a terminal device as a reader/writer of the tag (represented by UE in Figure 5), gNB, AMF, SMF, UPF, a core network element for collecting AIoT device information, and AF.
  • the method shown in FIG. 5 may include steps S510 - S540 .
  • Step S510 The UE establishes a PDU session.
  • the process of establishing a PDU session may include at least one of the following first to third operations. The first to third operations are described below.
  • the first operation UE sends an uplink NAS transmission message to AMF.
  • the request type indication in the uplink NAS transmission message is the core network element indication for collecting AIoT device information (AIoT device collection NF indication).
  • AMF can select a suitable SMF according to the request type.
  • SMF can select a suitable UPF to serve the UE.
  • the core network element indication for collecting AIoT device information can be 0 or 1.
  • the core network element indication or uplink NAS transmission message for collecting AIoT device information may include one or more of the following information: AF information (for example, including AF ID and/or service provider ID), application ID, etc.
  • AF configures the parameters for establishing a PDU session to the UE through the PCF.
  • the parameters may include: collecting AIoT device information The DNN and/or S-NSSAI corresponding to the core network element. That is to say, during the PDU session establishment process, AF can directly carry DNN and/or S-NSSAI to indicate the establishment of a PDU session corresponding to the core network element that collects AIoT device information.
  • the third operation During the process of UE establishing a PDU session, the PCO indicates to SMF that the address or connection of the core network element for collecting AIoT device information needs to be established. According to the instruction, SMF can directly send the address or FQDN of the core network element for collecting AIoT device information to UE through PCO.
  • the PCO sent by the UE to SMF may also include one or more of the following information: AF information (for example, including the AF ID and/or the service provider ID), application ID, etc.
  • Step S520 The UE obtains tag information, which may include tag identification information.
  • Step S530 The UE reports the tag identification information to the core network element that collects AIoT device information through a user plane message.
  • the address of the core network element that collects AIoT device information can be obtained through the method in PCO in step S510, or the FQDN of the core network element that collects AIoT device information can be directly constructed for DNS resolution.
  • Step S540 The core network element that collects AIoT device information decides to which AF to report the tag data based on the tag identification information.
  • the UE can obtain the core network element deployed in the operator network that collects AIoT device information, thereby achieving unbinding between the UE and the tag, and then achieving communication between UEs and tags manufactured by different manufacturers.
  • FIG6 is a schematic flow chart of a method for communication provided in the second embodiment of the present invention.
  • the method shown in FIG6 may be performed by a tag (represented by tags in FIG6 ), a terminal device as a reader/writer of the tag (represented by UE in FIG6 ), a 3GPP network, a UPF, and an AF.
  • the 3GPP network is used to indicate the network devices involved in the method.
  • the 3GPP network may include the gNB, AMF, SMF, etc. shown in FIG5 .
  • the method shown in Figure 6 may include steps S610 to S640.
  • the difference between the second embodiment and the first embodiment is that the UPF integrates the function of collecting AIoT device information.
  • Step 610 The UE establishes a PDU session.
  • the process of establishing a PDU session may include at least one of the following fourth to sixth operations. The first to third operations are described below.
  • UE sends an uplink NAS transmission message to AMF.
  • AMF can select a suitable SMF according to the request type. Then, SMF can select a suitable UPF to serve the UE.
  • the core network element indication for collecting AIoT device information can be 0 or 1.
  • the core network element indication or uplink NAS transmission message for collecting AIoT device information may include one or more of the following information: AF information (for example, including the AF ID and/or the service provider ID), application ID, etc. It should be noted that when SMF selects UPF, it is necessary to select a UPF that supports the function of collecting AIoT device information.
  • the fifth operation or AF configures the parameters for establishing a PDU session to the UE through the PCF.
  • the parameters may include: DNN and/or S-NSSAI corresponding to the core network element that collects AIoT device information. That is to say, during the PDU session establishment process, AF can directly carry DNN and/or S-NSSAI to indicate the establishment of a PDU session corresponding to the core network element that collects AIoT device information.
  • SMF needs to select a UPF that supports the function of collecting AIoT device information based on S-NSSAI.
  • Operation 6 During the UE establishment of the PDU session, the UE indicates to the SMF through the PCO that the UE needs to select the UPF that supports the function of collecting AIoT device information. During the PDU session establishment process, the SMF can notify the UE through the PCO that the UPF that has been selected to collect AIoT device information function
  • Step S620 The UE obtains tag information, where the tag information may include tag identification information.
  • Step S630 The UE reports the identification information of the tag to the UPF via a user plane message.
  • Step S640 The UPF determines to which AF to report the tag data according to the tag identification information.
  • the UE can learn that by deploying the AIoT device information collection function in the UPF in the operator network, the UE and the tag can be untied, thereby realizing communication between UEs and tags manufactured by different manufacturers.
  • FIG7 is a schematic structural diagram of a terminal device 700 provided in an embodiment of the present application.
  • the terminal device 700 is a first terminal device.
  • the terminal device 700 includes: a first sending unit 710 .
  • the first sending unit 710 is used to send first information to the first core network element through a user plane message; wherein the first information is used to indicate information of the second terminal device.
  • the first core network element is determined during the PDU session establishment process.
  • the terminal device 700 is specifically used to send a first request to establish a PDU session; wherein the first request is also used to request discovery of a first core network element.
  • the first request is carried in an uplink non-access stratum NAS transmission message.
  • the first request or the message carrying the first request is used to indicate the first indication information
  • the first indication information includes one or more of the following information: an indication of requesting to discover the core network element for collecting terminal device information; an identifier of the AF; an identifier of the service provider; Identification; the identification of the application.
  • the first indication information is included in a PCO in the first request.
  • the terminal device 700 further includes: a first receiving unit, configured to receive information of the first core network element sent by the second core network element.
  • the PDU establishment process includes the first terminal device sending second information, and the second information is used to indicate information of the first core network network element.
  • the terminal device 700 further includes: an acquisition unit, used to acquire parameters for establishing a PDU session; wherein the parameters are used to indicate information of the first core network network element.
  • the first core network element is a UPF element or a core network element that collects terminal device information.
  • the first core network element when the first core network element is a UPF element, the first core network element is determined by the UPF selection process during the PDU session establishment process.
  • the UPF is determined based on first indication information and/or second information, the first indication information is used to indicate a request to discover information of the first core network element, and the second information is used to indicate information of the first core network element.
  • the second terminal device is an AIoT device
  • the first terminal device is a reader/writer of the AIoT device.
  • FIG8 is a schematic structural diagram of a core network element 800 provided in the present application.
  • the core network element 800 is a first core network element.
  • the core network element 800 includes a second receiving unit 810 .
  • the second receiving unit 810 is used to receive first information sent by a first terminal device through a user plane message; wherein the first information is used to indicate information of a second terminal device.
  • the first core network element is determined during the PDU session establishment process.
  • the first core network element is a UPF element or a core network element used to collect terminal device information.
  • the first core network element when the first core network element is a UPF element, the first core network element is determined by the UPF selection process during the PDU session establishment process.
  • the information of the first core network element is sent by the second core network element to the first terminal device during the PDU session establishment process.
  • the second terminal device is an AIoT device
  • the first terminal device is a reader/writer of the AIoT device.
  • FIG9 is a schematic structural diagram of a core network element 900 provided in an embodiment of the present application.
  • the core network element 900 is a second core network element.
  • the core network element 900 includes a second sending unit 910 .
  • the second sending unit 910 is used to send information of the first core network element to the first terminal device; wherein the first core network element is used to receive the first information through a user plane message, and the first information is used to indicate information of the second terminal device.
  • the first core network element is determined during the PDU session establishment process.
  • the core network element 900 is specifically used to: receive a first request to establish a PDU session; wherein the first request is also used to request discovery of a first core network element.
  • the first request is carried in an uplink NAS transmission message.
  • the first request or the message carrying the first request is used to indicate first indication information
  • the first indication information includes one or more of the following information: an indication of requesting to discover a core network element that collects terminal device information; an identifier of the AF; an identifier of the service provider; an identifier of the application.
  • the first indication information is included in a PCO in the first request.
  • the PDU establishment process includes the second core network element receiving second information, where the second information is used to indicate information of the first core network element.
  • the first core network element is a UPF element or a core network element used to collect terminal device information.
  • the first core network element when the first core network element is a UPF element, the first core network element is determined by the UPF selection process during the PDU session establishment process.
  • the UPF is determined based on first indication information and/or second information, the first indication information is used to indicate a request to discover information of the first core network element, and the second information is used to indicate information of the first core network element.
  • the second terminal device is an AIoT device
  • the first terminal device is a reader/writer of the AIoT device.
  • the first sending unit 710, the second receiving unit 810 or the second sending unit 910 may be a transceiver 1030.
  • the terminal device 700, the core network element 800 or the core network element 900 may further include a memory 1020 and/or a processor 1010, as specifically shown in FIG. 10 .
  • FIG10 is a schematic structural diagram of a device for communication according to an embodiment of the present application.
  • the dotted lines in FIG10 indicate that the unit or module is optional.
  • the device 1000 may be used to implement the method described in the above method embodiment.
  • the device 1000 may be a chip, a terminal device, or a network device.
  • the apparatus 1000 may include one or more processors 1010.
  • the processor 1010 may support the apparatus 1000 to implement the above method embodiments. The method described.
  • the processor 1010 may be a general-purpose processor or a special-purpose processor.
  • the processor may be a central processing unit (CPU).
  • the processor may also be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processor
  • ASIC application specific integrated circuits
  • FPGA field programmable gate arrays
  • a general-purpose processor may be a microprocessor or the processor may also be any conventional processor, etc.
  • the apparatus 1000 may further include one or more memories 1020.
  • the memory 1020 stores a program, which can be executed by the processor 1010, so that the processor 1010 executes the method described in the above method embodiment.
  • the memory 1020 may be independent of the processor 1010 or integrated in the processor 1010.
  • the apparatus 1000 may further include a transceiver 1030.
  • the processor 1010 may communicate with other devices or chips through the transceiver 1030.
  • the processor 1010 may transmit and receive data with other devices or chips through the transceiver 1030.
  • the present application also provides a computer-readable storage medium for storing a program.
  • the computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.
  • the embodiment of the present application also provides a computer program product.
  • the computer program product includes a program.
  • the computer program product can be applied to the terminal or network device provided in the embodiment of the present application, and the program enables the computer to execute the method performed by the terminal or network device in each embodiment of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the terminal or network device provided in the embodiment of the present application, and the computer program enables a computer to execute the method executed by the terminal or network device in each embodiment of the present application.
  • the "indication" mentioned can be a direct indication, an indirect indication, or an indication of an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association relationship between A and B.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean determining B only according to A, and B can also be determined according to A and/or other information.
  • the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship of indication and being indicated, configuration and being configured, etc.
  • pre-definition or “pre-configuration” can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit the specific implementation method.
  • pre-definition can refer to what is defined in the protocol.
  • the “protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
  • the term "and/or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships.
  • a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
  • the character "/" in this article generally indicates that the associated objects before and after are in an "or" relationship.
  • the term “include” may refer to direct inclusion or indirect inclusion.
  • the term “include” mentioned in the embodiments of the present application may be replaced with “indicate” or “used to determine”.
  • “A includes B” may be replaced with “A indicates B” or "A is used to determine B”.
  • the size of the serial numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
  • Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated.
  • the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a digital video disc (DVD)), or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
  • a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
  • an optical medium e.g., a digital video disc (DVD)
  • DVD digital video disc
  • SSD solid state disk

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Abstract

本申请提供一种用于通信的方法、终端设备和核心网网元。该方法包括:第一终端设备通过用户面消息向第一核心网网元发送第一信息;其中,第一信息用于指示第二终端设备的信息。在第一核心网网元收集第二终端设备的信息的情况下,网络侧能够获取第二终端设备的信息,从而感知第二终端设备。在这种情况下,第一终端设备可以不需要通过私有接口获取第二终端设备的信息,从而实现了第一终端设备和第二终端设备的解绑。对于消费者而言,消费者可以购买任意厂家的第一终端设备,即可实现网络侧对第二终端设备的信息的感知。对于第二终端设备的制造商或供应商而言,制造商或供应商也无需自行部署服务器,从而降低了成本和网络复杂度。

Description

用于通信的方法、终端设备以及核心网网元 技术领域
本申请涉及通信技术领域,并且更为具体地,涉及一种用于通信的方法、终端设备以及核心网网元。
背景技术
第一终端设备可以实现第二终端设备和网络设备的非直连通信。例如,第一终端设备可以是普通终端设备,第二终端设备可以是零功耗设备。普通终端设备可以作为零功耗设备的收发器。
第一终端设备可以通过私有接口感知第二终端设备。即网络无法感知第二终端设备的信息。由于私有接口无法实现不同制造商制造的终端设备之间的互通,这使得消费者不得不同时购买相同厂家生产的第一终端设备和第二终端设备,才能实现第二终端设备的非直连通信。或者,第二终端设备的制造商或提供商可以自行部署业务服务器,以在一定程度上缓解第一终端设备和第二终端设备之间的捆绑性。但是,这会提高制造商或服务提供商的成本,还会使得网络结构更加复杂。
发明内容
本申请提供一种用于通信的方法、终端设备和核心网网元。下面对本申请涉及的各个方面进行介绍。
第一方面,提供了一种用于通信的方法,该方法包括:第一终端设备通过用户面消息向第一核心网网元发送第一信息;其中,第一信息用于指示第二终端设备的信息。
第二方面,提供了一种用于通信的方法,该方法包括:第一核心网网元通过用户面消息接收第一终端设备发送的第一信息;其中,第一信息用于指示第二终端设备的信息。
第三方面,提供了一种用于通信的方法,该方法包括:第二核心网网元向第一终端设备发送第一核心网网元的信息;其中,第一核心网网元用于通过用户面消息接收第一信息,第一信息用于指示第二终端设备的信息。
第四方面,提供了一种终端设备,该终端设备为第一终端设备,该终端设备包括:第一发送单元,用于通过用户面消息向第一核心网网元发送第一信息;其中,第一信息用于指示第二终端设备的信息。
第五方面,提供了一种核心网网元,该核心网网元为第一核心网网元,该核心网网元包括:第二接收单元,用于通过用户面消息接收第一终端设备发送的第一信息;其中,第一信息用于指示第二终端设备的信息。
第六方面,提供了一种核心网网元,该核心网网元为第二核心网网元,核心网网元包括:第二发送单元,用于向第一终端设备发送第一核心网网元的信息;其中,第一核心网网元用于通过用户面消息接收第一信息,第一信息用于指示第二终端设备的信息。
第七方面,提供一种终端设备,包括处理器以及存储器,所述存储器用于存储一个或多个计算机程序,所述处理器用于调用所述存储器中的计算机程序使得所述终端设备执行第一方面的方法中的部分或全部步骤。
第八方面,提供一种核心网网元,包括处理器、存储器以及收发器,所述存储器用于存储一个或多个计算机程序,所述处理器用于调用所述存储器中的计算机程序使得所述核心网网元执行第二方面和/或第三方面的方法中的部分或全部步骤。
第九方面,本申请实施例提供了一种通信系统,该系统包括上述的终端设备和/或核心网网元。在另一种可能的设计中,该系统还可以包括本申请实施例提供的方案中与该终端设备或核心网网元进行交互的其他设备。
第十方面,本申请实施例提供了一种计算机可读存储介质,所述计算机可读存储介质存储有计算机程序,所述计算机程序使得终端设备和/或核心网网元执行上述各个方面的方法中的部分或全部步骤。
第十一方面,本申请实施例提供了一种计算机程序产品,其中,所述计算机程序产品包括存储了计算机程序的非瞬时性计算机可读存储介质,所述计算机程序可操作来使终端设备和/或核心网网元执行上述各个方面的方法中的部分或全部步骤。在一些实现方式中,该计算机程序产品可以为一个软件安装包。
第十二方面,本申请实施例提供了一种芯片,该芯片包括存储器和处理器,处理器可以从存储器中调用并运行计算机程序,以实现上述各个方面的方法中所描述的部分或全部步骤。
在第一核心网网元收集第二终端设备的信息的情况下,网络侧能够获取第二终端设备的信息,从而感知第二终端设备。在这种情况下,第一终端设备可以不需要通过私有接口获取第二终端设备的信息, 从而实现了第一终端设备和第二终端设备的解绑。对于消费者而言,消费者可以购买任意厂家的第一终端设备,即可实现网络侧对第二终端设备的信息的感知。对于第二终端设备的制造商或供应商而言,制造商或供应商也无需自行部署服务器,从而降低了成本和网络复杂度。
附图说明
图1为本申请实施例提供的一种网络架构示意图。
图2是本申请实施例适用的零功耗通信系统的架构的示意图。
图3是本申请实施例适用的非直连通信的架构示例图。
图4是本申请实施例提供的一种用于通信的方法的示意性流程图。
图5是本申请实施例一提供的一种用于通信的方法的示意性流程图。
图6是本申请实施例二提供的一种用于通信的方法的示意性流程图。
图7是本申请实施例提供的一种终端设备的示意性结构图。
图8是本申请实施例提供的一种核心网网元的示意性结构图。
图9是本申请实施例提供的另一种核心网网元的示意性结构图。
图10是本申请实施例提供的一种用于通信的装置的示意性结构图。
具体实施方式
下面将结合附图,对本申请中的技术方案进行描述。
移动网络系统架构
图1为本申请实施例提供的一种网络架构示意图。该网络架构可以包括终端设备、接入网(access network,AN)网元以及核心网网元。其中,接入网网元和核心网网元均可以是网络侧的网元。即网络设备可以包括接入网网元和核心网网元。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:第五代(5th generation,5G)系统或新无线(new radio,NR)、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)等。本申请提供的技术方案还可以应用于未来的通信系统,如第六代移动通信系统,又如卫星通信系统,等等。
本申请实施例中的终端设备也可以称为用户设备(user equipment,UE)、接入终端、用户单元、用户站、移动站、移动台(mobile station,MS)、移动终端(mobile terminal,MT)、远方站、远程终端、移动设备、用户终端、终端、无线核心网网元、用户代理或用户装置。本申请实施例中的终端设备可以是指向用户提供语音和/或数据连通性的设备,可以用于连接人、物和机,例如具有无线连接功能的手持式设备、车载设备等。本申请的实施例中的终端设备可以是手机(mobile phone)、平板电脑(Pad)、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device,MID)、可穿戴设备,虚拟现实(virtual reality,VR)设备、增强现实(augmented reality,AR)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、远程手术(remote medical surgery)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。可选地,UE可以用于充当基站。例如,UE可以充当调度实体,其在车辆外联(vehicle-to-everything,V2X)或设备到设备(device to device,D2D)等中的UE之间提供侧行链路信号。比如,蜂窝电话和汽车利用侧行链路信号彼此通信。蜂窝电话和智能家居设备之间通信,而无需通过基站中继通信信号。
接入网网元可以为接入网设备。接入网设备可以是终端通过无线方式接入到该网络架构中的接入设备,主要负责空口侧的无线资源管理、服务质量(quality of service,QoS)管理、数据压缩和加密等。接入网设备也可以称为无线接入网(radio access network,RAN)设备,如接入网设备可以是基站。基站可以广义的覆盖如下中的各种名称,或与如下名称进行替换,比如:节点B(NodeB)、演进型基站(evolved NodeB,eNB)、下一代基站(next generation NodeB,gNB)、中继站、接入点、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、主站(master eNB,MeNB)、辅站(secondary eNB,SeNB)、多标准无线(multi-standard radio,MSR)节点、家庭基站、网络控制器、接入节点、无线节点、接入点(access point,AP)、传输节点、收发节点、基带单元(base band unit,BBU)、射频拉远单元(remote radio unit,RRU)、有源天线单元(active antenna unit,AAU)、射频头(remote radio head,RRH)、中心单元(central unit,CU)、分布式单元(distributed unit,DU)、定位节点等。基站可以是宏基站、微基站、中继节点、施主节点或类似物,或其组合。基站还可以指用于设置于前述设备或装置内的通信模块、调制解调器或芯片。基站还可以是移动交换中心以及D2D、V2X、机器到机器(machine-to-machine,M2M)通信中承担基站功能的设备、6G网络中的网络侧设备、未来的通信系统中承担基站功能的设备等。基站可以支持相同或不同接入技术的网络。本申请的实施例对接入网设备 所采用的具体技术和具体设备形态不做限定。
基站可以是固定的,也可以是移动的。例如,直升机或无人机可以被配置成充当移动基站,一个或多个小区可以根据该移动基站的位置移动。在其他示例中,直升机或无人机可以被配置成用作与另一基站通信的设备。
在一些部署中,本申请实施例中的接入网设备可以是指CU或者DU,或者,接入网设备包括CU和DU。gNB还可以包括AAU。
核心网网元可以为核心网设备。核心网网元的类型(type)可以包括用户面功能(user plane function,UPF)网元、接入和移动性管理功能(access and mobility management function,AMF)网元、会话管理功能(session management function,SMF)网元、策略控制功能(policy control function,PCF)网元、应用功能(application function,AF)、数据网络(data network,DN)、网络切片选择功能(network slice selection function,NSSF)、鉴权服务功能(authentication server function,AUSF)、统一数据管理功能(unified data management,UDM)、网络开放功能(the network exposure function,NEF)、网络仓储功能(network repository function,NRF)、网络切片选择的认证和授权功能(network slice-specific authentication and authorization function,NSSAAF)。其中,UPF网元主要负责用户数据的传输,其他网元可以称为控制面功能网元,主要负责认证、鉴权、注册管理、会话管理、移动性管理以及策略控制等,以保障用户数据可靠稳定的传输。
UPF网元可以用于转发和接收终端的数据。例如,UPF网元可以从数据网络接收业务的数据,通过接入网设备传输给终端;UPF网元还可以通过接入网设备从终端接收用户数据,转发到数据网络。其中,UPF网元为终端分配和调度的传输资源是由SMF网元管理控制的。终端与UPF网元之间的承载可以包括:UPF网元和接入网设备之间的用户面连接,以及在接入网设备和终端之间建立信道。其中,用户面连接为可以在UPF网元和接入网设备之间建立传输数据的QoS流(flow)。
AMF网元可以用于对终端接入核心网络进行管理,例如:终端的位置更新、注册网络、接入控制、终端的移动性管理、终端的附着与去附着等。AMF网元还可以在为终端的会话提供服务的情况下,为该会话提供控制面的存储资源,以存储会话标识、与会话标识关联的SMF网元标识等。
SMF网元可以用于为终端选择用户面网元、为终端重定向用户面网元、为终端分配因特网协议(internet protocol,IP)地址,建立终端与UPF网元之间的承载(也可以称为会话(session))、会话的修改、释放以及QoS控制。其中,会话可以是协议数据单元(protocol data unit,PDU)会话。
PCF网元用于向AMF网元、SMF网元提供策略,如QoS策略、切片选择策略等。
AF网元用于与3GPP核心网网元交互支持应用影响数据的路由,访问网络暴露功能,与PCF网元之间交互以进行策略控制等。
DN可以为如IP多媒体服务(IP multi-media service,IMS)网络、互联网等为用户提供数据服务。在DN中可以有多种应用服务器(application server,AS),提供不同的应用业务,比如运营商业务,互联网接入或者第三方业务等,AS可以实现AF的功能。
NSSF用于网络切片的选择,支持的功能有:选择为UE服务的网络切片实例集;确定允许的网络切片选择辅助信息(network slice selection assistance information,NSSAI),以及在需要时确定到签约的单一网络切片选择辅助信息(single-network slice selection assistance information,S-NSSAI)的映射;确定已配置的NSSAI,以及在需要时确定到签约的S-NSSAI的映射;确定可能用于查询UE的AMF集,或基于配置确定候选AMF的列表。
AUSF用于接收AMF对终端进行身份验证的请求,通过向UDM请求密钥,再将下发的密钥转发给AMF进行鉴权处理。
UDM包括用户签约数据的产生和存储、鉴权数据的管理等功能,支持与外部第三方服务器交互。
NEF用于能力开放,即,基于NEF,可以将网络的能力向外部网络输出。外部非可信应用可以通过NEF访问核心网内部数据,以保证网络的安全。NEF可以提供外部应用QoS能力开放、事件订阅、AF请求分发等功能。
NRF用于进行核心网网元登记、管理、状态检测,从而实现核心网网元的自动化管理。核心网网元启动时,必须要到NRF进行注册登记才能提供服务。登记信息例如可以包括核心网网元的类型、地址、服务列表等。
此外,一些网络(例如5G网络)还在核心网中增加了网络数据分析功能(network data analytics function,NWDAF)。基于NWDAF,可以从核心网各个网元、网管系统等处收集数据,并进行大数据统计、分析或者智能化的数据分析,从而得出网络侧的分析或者预测数据,进而辅助各个网元根据数据分析结果对终端设备接入进行更有效的控制。
在一些通信系统(例如5G系统)中,核心网网元也可以称为网络功能(network function,NF)。
图1中的各网元既可以是硬件设备中的网络元件,也可以是在专用硬件上运行的软件功能,或者是平台(例如,云平台)上实例化的虚拟化功能。需要说明的是,在上述图所示的网络架构中,仅仅是示例性说明整个网络架构中所包括的网元。在本申请实施例中,并不限定整个网络架构中所包括的网元。
本领域技术人员可以理解,图1中示出的网络架构并不构成对网络架构的限定,具体实现时,该网络架构可以包括比图示更多或更少的网元,或者组合某些网元等。应理解,图1中以(R)AN的方式表征AN或RAN。
零功耗通信技术
随着无线通信技术的发展,将无线通信系统与物流、制造、运输、能源等各个垂直行业进行融合成为趋势。
然而,在这些行业中,终端设备通常需要具备较低的成本、较小的尺寸(如超薄)、免维护、长寿命等特点。针对此,提出了零功耗通信技术。零功耗通信系统可以使用在无线工业感应网络、智能农业、智能仓储与物流、智能家居等场景下。
零功耗通讯技术是一种适用于短距离,低速率的无线通讯技术。以5G系统为例,3GPP标准中5G系统可以支持零功耗终端接入网络的需求。3GPP标准中支持的零功耗设备主要针对的场景有以下特点:环境极端,不适合普通终端工作;使用非常低的功耗和成本的终端;无电池终端。
下面结合图2对零功耗通信技术进行说明。
图2是本申请实施例适用的零功耗通信系统200的架构。图2所示的架构包括读写器(reader/writer)210和零功耗终端设备220等通信设备。其中,读写器210可以用于读取(read)零功耗终端设备220的信息,和/或,读写器210可以用于在零功耗终端设备220上写入(write)信息。
需要说明的是,读写器210为具有读写功能的通信设备,该设备可以为网络设备,也可以为终端设备。
读写器210可以用于向零功耗终端设备220发送无线供能信号以为终端供能。相应地,终端220可以通过反向散射信号向读写器210或其他通信设备发送数据。
零功耗终端设备220可以是电子标签(tag)或普通设备。电子标签可以由耦合组件及芯片构成。每个电子标签可以有独特的电子编码。电子标签可以放在被测目标上以达到标记目标物体的目的。读写器不仅能够读取电子标签上的信息,而且还能够写入电子标签上的信息。读写器还可以为电子标签提供通信所需要的能量。电子标签进入电磁场后,可以接收读写器发出的射频信号。电子标签可以利用空间中产生的电磁场得到的能量,将电子标签存储的信息传送出去。读写器可以读取信息并且进行解码,从而识别电子标签。
零功耗技术主要结合射频能量采集技术,反向散射技术,低功耗运算技术,以实现设备节点不携带供电电源的优势。射频能量收集的核心是将射频能量转化为直流,能量可以存储在电池或者电容里,也可以收集后直接用于驱动逻辑电路、数字芯片或传感器件等,完成对反向散射信号的调制和发射,传感信息的采集与处理等功能及应用。
如图2所示,零功耗终端设备220可以包括能量采集模块221以及反向散射通信模块222。能量采集模块221可以应用射频能量采集技术实现能量采集。反向散射通信模块222可以应用反向散射技术进行反向散射通信。如图2所示,零功耗终端设备220还可以包括:低功耗计算模块223、传感器模块224以及存储器225中的一项或多项。
在零功耗通信技术中,基于终端的能量来源以及能量的使用方式可以将终端分为三类:无源零功耗终端、半无源零功耗终端以及有源零功耗终端。下面分别进行介绍。
1)无源零功耗终端
无源零功耗终端不需要内装电池,零功耗终端接近读写器(如射频识别(radio frequency identification,RFID)系统的读写器)时,零功耗终端处于读写器天线辐射形成的近场范围内。无源零功耗终端天线通过电磁感应产生感应电流,感应电流驱动零功耗终端的低功耗芯片电路,从而实现对前向链路信号的解调,以及后向链路的信号调制等工作。对于反向散射链路,无源零功耗终端使用反向散射实现方式进行信号的传输。
可以看出,无源零功耗终端无论是前向链路还是反向链路都不需要内置电池来驱动,是一种真正意义的零功耗终端。
无源零功耗终端不需要电池,射频电路以及基带电路都非常简单,例如不需要低噪声放大器(low noise amplifier,LNA),功率放大器(power amplifier,PA),晶振,模数转换器(analog to digital converter,ADC)等器件。因此,无源零功耗终端具有体积小、重量轻、价格便宜、使用寿命长等诸多优点。
无源零功耗终端的特征还可以包括:1)无电池;2)能够从周边环境中获得能量(如无线电波、太阳能、风能、机械动能等);3)无全球用户识别模块(universal subscriber identity module,USIM)卡。 这种终端设备还可以通过周边环境做一定的储能,但是能量很少。因此,较普通手机类终端,无源零功耗终端支持的功能逻辑少很多。
2)半无源零功耗终端
半无源零功耗终端自身不安装常规电池,但可使用射频(radio frequency,RF)能量采集模块采集无线电波能量,同时将采集的能量存储于一个储能单元(如电容)中。储能单元获得能量后,可以驱动零功耗终端的低功耗芯片电路,从而实现对前向链路信号的解调,以及后向链路的信号调制等工作。对于反向散射链路,半无源零功耗终端使用反向散射实现方式进行信号的传输。
可以看出,半无源零功耗终端无论是前向链路还是反向链路都不需要内置电池来驱动,虽然工作中使用了储能单元储存的能量,但能量来源于能量采集模块采集的无线电能量。因此,这类终端设备也是一种真正意义的零功耗终端。
半无源零功耗终端继承了无源零功耗终端的诸多优点,即具有体积小、重量轻、价格非常便宜、使用寿命长等诸多优点。
3)有源零功耗终端
在一些场景下,零功耗终端也可以为有源零功耗终端,该类终端可以内置电池。电池用于驱动零功耗终端的低功耗芯片电路,从而实现对前向链路信号的解调,以及后向链路的信号调制等工作。但对于反向散射链路,零功耗终端使用反向散射实现方式进行信号的传输。因此,这类终端的零功耗主要体现于反向链路的信号传输不需要终端自身功率,而是使用反向散射的方式。
有源零功耗终端可以内置电池向RFID芯片供电,以增加标签的读写距离,提高通信的可靠性。因此,在一些对通信距离、读取时延等方面要求相对较高的场景中,这类终端设备得以应用。
在一些实施例中,上述零功耗终端设备可以包括:环境采集物联网(ambient power-enabled internet of things,AIoT)设备。
在一些实施例中,第一终端设备可以实现第二终端设备和网络设备的非直连通信,即第二终端设备可以通过第一终端设备实现与网络设备的非直连通信。下面以图3为例,进行说明。
在图3中,第一终端设备320例如可以是普通终端设备,第二终端设备310例如可以是AIoT终端设备(例如标签)。如图3所示,第一终端设备320可以作为第二终端设备330的读写器,从而实现第一终端设备320与第二终端设备330的反向散射通信。通过第一终端设备320,第二终端设备330可以与网络设备310进行通信。网络设备310例如可以是核心网网元(例如AF网元)。第一终端设备320可以通过网络(例如3GPP网络或者其他的有线宽带网络)与网络设备通信。
在一些场景中,第一终端设备320可以通过私有接口收集第二终端设备330的信息。第一终端设备320将收集上来的第二终端设备330的数据通过网络上报至AF网元。在这种情况下,只有第一终端识别可以感知第二终端设备,网络无法感知第二终端设备330。
网络无法感知第二终端设备的情况下,只有第一终端设备可以通过私有接口获取第二终端设备的信息。由于私有接口无法实现不同制造商制造的终端设备之间的互通,这使得消费者不得不同时购买第一终端设备和第二终端设备,才能实现第二终端设备的非直连通信。或者,第二终端设备的制造商或提供商可以自行部署业务服务器,以在一定程度上缓解第一终端设备和第二终端设备之间的捆绑性。但是,这会提高制造商或服务提供商的成本,还会使得网络结构更加复杂。
本申请提出第一核心网网元。该第一核心网网元可以用于收集第二终端设备的信息。例如,第一核心网网元可以用于收集特定的终端设备的信息。特定的终端设备可以是满足第一条件的终端设备。在一些实施例中,第一条件可以包括:终端设备进行非直连通信,即第一核心网网元可以具有收集或采集进行非直连通信的终端设备的信息的功能。在一些实施例中,第一条件可以包括:终端设备为AIoT设备或零功耗设备,即第一核心网网元可以具有收集或采集AIoT设备或零功耗设备的信息的功能。
在第一核心网网元收集第二终端设备的信息的情况下,网络侧能够获取第二终端设备的信息,从而感知第二终端设备。在这种情况下,第一终端设备可以不需要通过私有接口获取第二终端设备的信息,从而实现了第一终端设备和第二终端设备的解绑。对于消费者而言,消费者可以购买任意厂家的第一终端设备,即可实现网络侧对第二终端设备的信息的感知。对于第二终端设备的制造商或供应商而言,制造商或供应商也无需自行部署服务器,从而降低了成本和网络复杂度。
如图4所示,第二终端设备的信息可以由第一信息指示。
图4是本申请实施例提供的一种用于通信的方法的示意性流程图。图4所示的方法可以由第一终端设备和第一核心网网元执行。图4所示的方法可以包括步骤S410。
步骤S410,第一终端设备发送第一信息。对应地,第一核心网网元接收第一信息。其中,第一信息可以通过用户面消息发送。
如上文所述,第一信息可以用于指示第二终端设备的信息。第二终端设备的信息可以是与第二终端 设备直接或间接相关的信息。例如,第二终端设备的信息可以包括以下信息中的一项或多项:第二终端设备的标识(identity,ID)、第二终端设备发送的信号(可以包括数据、指示信息等)。
第一核心网网元可以用于收集第二终端设备的信息。即第一核心网网元可以具有收集第二终端设备的信息的功能。第二终端设备可以是特定类型的终端设备。例如,第二终端设备可以是AIoT设备或零功耗设备。也就是说,第一核心网网元可以具有收集或采集AIoT设备或零功耗设备的信息的功能。
需要说明的是,第一信息可以直接发送,即第一信息由第一终端设备直接发送至第一核心网网元。或者,第一信息可以间接发送,即第一信息可以由第一终端设备发送至其他通信设备,由其他通信设备将第一信息转发至第一核心网网元。
第一核心网网元接收到第一信息后,可以将第一信息上报给其他核心网网元。例如,第一核心网网元可以将第一信息上报至AF。
图4所示的方法还可以包括步骤S405。图4所示的方法可以由第二核心网网元和第一终端设备执行。其中,第二核心网网元可以是与第一核心网网元不同的网元。例如,第二核心网网元可以包括以下网元中的一项或多项:SMF网元、AF网元。
步骤S405,第二核心网网元可以发送第一核心网网元的信息。对应地,第一终端设备可以接收第一核心网网元的信息。
第一核心网网元的信息可以是与第一核心网网元相关的任意信息。例如,第一核心网网元的信息可以包括第一核心网网元的以下信息中的一项或多项:地址、链接、完全限定域名(fully qualified domain name,FQDN)、DNN地址、单个网络切片选择协助信息(single network slice selection assistance information,S-NSSAI)。
如图4所示,步骤S405可以早于步骤S410执行。即,在第一终端设备发送第一信息之前,第一终端设备可以接收第一核心网网元的信息。
可以理解的是,第一终端设备可以通过第二核心网网元获取到第一核心网网元的信息,从而确定第一核心网网元可以用于收集第二终端设备的信息,进而使得第一终端设备确定第一信息的目的地址。
第一核心网网元可以由第一终端设备和/或网络设备确定的。也就是说,第一核心网网元可以是终端设备侧确定的,也可以是网络侧确定的。确定第一核心网网元的网络设备例如可以为第二核心网网元。
在第一核心网网元是网络侧确定的情况下,第一终端设备可以发送请求发现第一核心网网元的消息。响应于该消息,第二核心网网元可以回复第一核心网网元的信息,从而使得第一终端设备发现第一核心网网元。也就是说,步骤S405可以包括:响应于接收发现第一核心网网元的请求,第二核心网网元发送第一核心网网元的信息。
在第一核心网网元是第一终端设备确定的情况下,第一终端设备可以发送第二信息,以便网络侧确定第一核心网网元。第二信息可以用于指示第一核心网网元的信息。
需要说明的是,第一终端设备发送第二信息的步骤可以与第一终端设备接发送第一信息的步骤结合起来实施。例如,在第一终端设备发送第一信息之前,第一终端设备可以发送第二信息。
作为一种实现方式,第一核心网网元可以在PDU会话建立过程中确定或发现。例如,步骤S405可以在PDU会话建立过程中执行。可以理解的是,PDU会话建立过程的一些步骤可以复用于确定、发现或选择第一核心网网元。在这种情况下,第一核心网网元的确定过程、发现过程或选择消耗的资源更少,效率更高。
在一些实施例中,请求发现第一核心网网元的消息可以基于第一请求实现。第一终端设备可以发送第一请求。第一请求可以用于请求建立PDU会话,还可以用于请求发现第一核心网网元。在网络设备(例如第二核心网网元)接收到第一请求的情况下,网络设备可以为第一终端设备选择或确定第一核心网网元。
需要说明的是,第一终端设备发送第一请求的步骤可以与第一终端设备发送第一信息的步骤结合起来实施。例如,在第一终端设备发送第一信息之前,第一终端设备可以发送第一请求。在第一终端设备接收到第一请求的响应的情况下,第一终端设备可以发送第一信息。
本申请不限制承载第一请求的消息。作为一种实现方式,第一请求可以承载在上行(uplink,UL)非接入层(non-access stratum,NAS)传输消息中。例如,第一请求可以承载在上行NAS传输消息中的请求类型(request type)中。也就是说,请求类型可以指示第一请求用于发现第一核心网网元。在一些实施例中,根据请求类型,AMF可以选择合适的SMF。选择的SMF可以选择合适的UPF为第一终端设备服务。
在一些实施例中,第一请求或承载第一请求的消息(例如上文所述的上行NAS传输消息)还可以用于指示第一指示信息。第一指示信息可以是与第一核心网网元选择或确定相关的信息。也就是说,根据第一指示信息,网络设备可以选择或确定合适的第一核心网网元,从而优化了通信过程。例如,当网 络存在多个可选的采集AIoT设备信息的核心网网元时,网络侧可以进一步选择满足第一指示信息要求的采集AIoT设备信息的核心网网元作为第一核心网网元。
第一指示信息例如可以包括以下信息中的一项或多项:请求发现采集终端设备信息的核心网网元的指示、AF的标识、服务提供者(service provider)的标识、应用(application)的标识。
在一些实施例中,请求发现采集终端设备信息的核心网网元的指示可以用一个比特表示。作为一种实现方式,该一个比特可以为0或1。例如,当请求发现采集终端设备信息的核心网网元的指示为1时,终端设备通过该指示请求发现第一核心网网元;当请求发现采集终端设备信息的核心网网元的指示为0时,终端设备未通过该指示请求发现第一核心网网元。或者,当请求发现采集终端设备信息的核心网网元指示为0时,终端设备通过该指示请求发现第一核心网网元;当请求发现采集终端设备信息的核心网网元指示为1时,终端设备未通过该指示请求发现第一核心网网元。
需要说明的是,在第一核心网网元用于采集AIoT设备信息的情况下,请求发现采集终端设备信息的核心网网元的指示也可以称为采集AIoT设备信息的核心网网元指示(AIoT device collection NF indication)。
在一些实施例中,第一指示信息可以包含于第一请求中的协议配置选项(protocol configuration option,PCO)中。在终端设备建立PDU会话的过程中,可以通过PCO向网络侧(例如SMF网元)指示终端设备需要建立发现采集终端设备信息的核心网网元的地址或者连接。根据第一指示信息,第二核心网网元可以将第一核心网网元的信息发送给第一终端设备。
在一些实施例中,第二核心网网元也可以主动向第一终端设备发送第一核心网网元的信息。
作为一种实现方式,第二核心网网元可以通过PCO方式发送第一核心网网元的信息。例如,在第一指示信息通过PCO方式传输的情况下,第二核心网网元可以通过PCO方式发送第一核心网网元的信息。
作为另一种实现方式,第一核心网网元的信息可以通过建立PDU会话的参数指示。例如,第二核心网网元可以为AF网元。AF网元可以通过PCF向第一终端设备配置建立PDU会话的参数。该参数可以包括第一核心网网元的DNN和/或S-NSSAI。可以理解的是,通过这种方式,可以直接在PDU会话建立过程中,直接指示建立采集终端设备信息的核心网网元对应的PDU会话。
本申请不限制第一核心网网元的类型。例如,第一核心网网元可以是专门设置的用于采集终端设备信息的核心网网元。作为一种可能的示例,第一核心网网元可以不同于图1中所示的任意核心网网元。专门设置用于采集终端设备信息的核心网网元可以使得该网元的功能相对独立,从而使得该网元的运行效率较高。或者,第一核心网网元还可以为上文所述的任意类型的核心网网元。也就是说,第一核心网网元不仅可以用于采集终端设备的信息,还可以用于执行其他功能。一方面,这可以减少设置核心网网元的数目,从而减少通信系统的布网成本。另一方面,第一核心网网元可以是建立PDU会话过程中需要选择的核心网网元。可以理解的是,在建立PDU会话的过程中,可以同步确定第一核心网网元,从而简化了第一核心网网元的发现或确定流程。
可选地,第一核心网网元可以是UPF网元。第一核心网网元可以在PDU会话建立过程中的选择UPF过程确定的。例如,在PDU会话建立过程中,SMF选择UPF是需要选择具有采集终端设备信息功能的UPF。
在一些实施例中,UPF可以基于第一指示信息和/或第二信息确定。第一指示信息和第二信息的说明均可以参见上文,此处不再赘述。
为便于理解,下面通过实施例一和实施例二对本申请进行详细说明。
实施例一
图5是实施例一提供的一种用于通信的方法的示意性流程图。图5所示的方法可以由标签(tags)、作为标签的读写器的终端设备(图5通过UE)表示、gNB、AMF、SMF、UPF、采集AIoT设备信息的核心网网元、AF执行。
图5所示的方法可以包括步骤S510-S540。
步骤S510,UE建立PDU会话。建立PDU会话的过程可以包括以下第一操作至第三操作中的至少一项。下面对第一操作至第三操作进行说明。
第一操作:UE向AMF发送上行NAS传输消息。上行NAS传输消息中的请求类型指示为采集AIoT设备信息的核心网网元指示(AIoT device collection NF indication)。AMF可以根据请求类型选择合适的SMF。而后,SMF可以选择合适的UPF为UE服务。其中,采集AIoT设备信息的核心网网元指示可以是0或1。采集AIoT设备信息的核心网网元指示或上行NAS传输消息可以包括以下信息中的一项或多项:AF信息(例如包括AF的ID和/或服务提供商的ID)、应用的ID等。
第二操作:AF通过PCF向UE配置建立PDU会话的参数。该参数可以包括:采集AIoT设备信息 的核心网网元对应的DNN和/或S-NSSAI。也就是说,在PDU会话建立过程中,AF可以直接携带DNN和/或S-NSSAI来指示建立采集AIoT设备信息的核心网网元对应的PDU会话。
第三操作:在UE建立PDU会话的过程中,通过PCO向SMF指示需要建立采集AIoT设备信息的核心网网元的地址或者连接。根据该指示,SMF可以直接通过PCO方式将采集AIoT设备信息的核心网网元的地址或者FQDN发送给UE。另外,UE向SMF发送的PCO中也可以包括以下信息中的一项或多项:AF信息(例如包括AF的ID和/或服务提供商的ID)、应用的ID等。
步骤S520,UE获取标签的信息。标签的信息可以包括标签的标识信息。
步骤S530,UE通过用户面消息向采集AIoT设备信息的核心网网元上报标签的标识信息。
采集AIoT设备信息的核心网网元的地址可以是通过步骤S510中的PCO中的方式获取的,或者直接构建采集AIoT设备信息的核心网网元FQDN来进行DNS解析。
步骤S540,采集AIoT设备信息的核心网网元根据标签的标识信息来决定向哪个AF上报标签的数据。
通过实施例一提供的方法,UE可以获知通过在运营商网络中部署的采集AIoT设备信息的核心网网元,从而可以实现UE与标签之间的解绑,进而实现不同制造商制造的UE和标签之间的通信。
实施例二
图6是本实施例二提供的一种用于通信的方法的示意性流程图。图6所示的方法可以由标签(图6通过tags表示)、作为标签的读写器的终端设备(图6通过UE表示)、3GPP网络、UPF、AF。3GPP网络用于指示该方法中涉及的网络设备。例如3GPP网络可以包括图5所示的gNB、AMF、SMF等。
图6所示的方法可以包括步骤S610~S640。实施例二与实施例一的差别在于UPF集成了采集AIoT设备信息的功能。
步骤610,UE建立PDU会话。建立PDU会话的过程可以包括以下第四操作至第六操作中的至少一项。下面对第一操作至第三操作进行说明。
第四操作:UE向AMF发送上行NAS传输消息。AMF可以根据请求类型选择合适的SMF。而后,SMF可以选择合适的UPF为UE服务。其中,采集AIoT设备信息的核心网网元指示可以是0或1。采集AIoT设备信息的核心网网元指示或上行NAS传输消息可以包括以下信息中的一项或多项:AF信息(例如包括AF的ID和/或服务提供商的ID)、应用的ID等。需要说明的是,在SMF选择UPF时,需要选择支持采集AIoT设备信息功能的UPF。
第五操作:或AF通过PCF向UE配置建立PDU会话的参数。该参数可以包括:采集AIoT设备信息的核心网网元对应的DNN和/或S-NSSAI。也就是说,在PDU会话建立过程中,AF可以直接携带DNN和/或S-NSSAI来指示建立采集AIoT设备信息的核心网网元对应的PDU会话。
需要说明的是,建立PDU会话的过程中SMF需要根据S-NSSAI选择支持采集AIoT设备信息功能的UPF。
第六操作:在UE建立PDU会话过程中,UE通过PCO向SMF指示UE需要选择支持采集AIoT设备信息功能的UPF。在PDU会话建立过程中,SMF可以通过PCO通知UE,已经选择采集AIoT设备信息功能的UPF
步骤S620,UE获取标签的信息,标签的信息可以包括标签的标识信息。
步骤S630,UE通过用户面消息向UPF上报标签的标识信息。
步骤S640,UPF根据标签标识信息来决定向哪个AF上报标签的数据。
通过实施例二提供的方法,UE可以获知通过在运营商网络中UPF部署采集AIoT设备信息功能,从而可以实现UE与标签之间的解绑,进而实现不同制造商制造的UE和标签之间的通信。
上文结合详细描述了本申请的方法实施例,下面详细描述本申请的装置实施例。应理解,方法实施例的描述与装置实施例的描述相互对应,因此,未详细描述的部分可以参见前面方法实施例。
图7是本申请实施例提供的一种终端设备700的示意性结构图。终端设备700为第一终端设备。终端设备700包括:第一发送单元710。
第一发送单元710,用于通过用户面消息向第一核心网网元发送第一信息;其中,第一信息用于指示第二终端设备的信息。
在一些实施例中,第一核心网网元是在PDU会话建立过程中确定的。
在一些实施例中,终端设备700具体用于发送建立PDU会话的第一请求;其中,第一请求还用于请求发现第一核心网网元。
在一些实施例中,第一请求承载在上行非接入层NAS传输消息中。
在一些实施例中,第一请求或者承载第一请求的消息用于指示第一指示信息,第一指示信息包括以下信息中的一项或多项:请求发现采集终端设备信息的核心网网元的指示;AF的标识;服务提供者的 标识;应用的标识。
在一些实施例中,第一指示信息包含于第一请求中的PCO中。
在一些实施例中,终端设备700还包括:第一接收单元,用于接收第二核心网网元发送的第一核心网网元的信息。
在一些实施例中,PDU建立过程包括第一终端设备发送第二信息,第二信息用于指示第一核心网网元的信息。
在一些实施例中,终端设备700还包括:获取单元,用于获取建立PDU会话的参数;其中,参数用于指示第一核心网网元的信息。
在一些实施例中,第一核心网网元为UPF网元或者采集终端设备信息的核心网网元。
在一些实施例中,在第一核心网网元为UPF网元的情况下,第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
在一些实施例中,UPF基于第一指示信息和/或第二信息确定,第一指示信息用于指示请求发现第一核心网网元的信息,第二信息用于指示第一核心网网元的信息。
在一些实施例中,第二终端设备为AIoT设备,第一终端设备为AIoT设备的读写器。
图8是本申请提供的一种核心网网元800的示意性结构图。核心网网元800为第一核心网网元。核心网网元800包括第二接收单元810。
第二接收单元810用于通过用户面消息接收第一终端设备发送的第一信息;其中,第一信息用于指示第二终端设备的信息。
在一些实施例中,第一核心网网元是在PDU会话建立过程中确定的。
在一些实施例中,第一核心网网元为UPF网元或者用于采集终端设备信息的核心网网元。
在一些实施例中,在第一核心网网元为UPF网元的情况下,第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
在一些实施例中,第一核心网网元的信息是在PDU会话建立过程中由第二核心网网元发送给第一终端设备的。
在一些实施例中,第二终端设备为AIoT设备,第一终端设备为AIoT设备的读写器。
图9是本申请实施例提供的一种核心网网元900的示意性结构图。核心网网元900为第二核心网网元。核心网网元900包括第二发送单元910。
第二发送单元910用于向第一终端设备发送第一核心网网元的信息;其中,第一核心网网元用于通过用户面消息接收第一信息,第一信息用于指示第二终端设备的信息。
在一些实施例中,第一核心网网元是在PDU会话建立过程中确定的。
在一些实施例中,核心网网元900具体用于:接收建立PDU会话的第一请求;其中,第一请求还用于请求发现第一核心网网元。
在一些实施例中,第一请求承载在上行NAS传输消息中。
在一些实施例中,第一请求或者承载第一请求的消息用于指示第一指示信息,第一指示信息包括以下信息中的一项或多项:请求发现采集终端设备信息的核心网网元的指示;AF的标识;服务提供者的标识;应用的标识。
在一些实施例中,第一指示信息包含于第一请求中的PCO中。
在一些实施例中,PDU建立过程包括第二核心网网元接收第二信息,第二信息用于指示第一核心网网元的信息。
在一些实施例中,第一核心网网元为UPF网元或者用于采集终端设备信息的核心网网元。
在一些实施例中,在第一核心网网元为UPF网元的情况下,第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
在一些实施例中,UPF基于第一指示信息和/或第二信息确定,第一指示信息用于指示请求发现第一核心网网元的信息,第二信息用于指示第一核心网网元的信息。
在一些实施例中,第二终端设备为AIoT设备,第一终端设备为AIoT设备的读写器。
在可选的实施例中,所述第一发送单元710、第二接收单元810或第二发送单元910可以为收发器1030。终端设备700、核心网网元800或核心网网元900还可以包括存储器1020和/或处理器1010,具体如图10所示。
图10是本申请实施例的用于通信的装置的示意性结构图。图10中的虚线表示该单元或模块为可选的。该装置1000可用于实现上述方法实施例中描述的方法。装置1000可以是芯片、终端设备或网络设备。
装置1000可以包括一个或多个处理器1010。该处理器1010可支持装置1000实现前文方法实施例 所描述的方法。该处理器1010可以是通用处理器或者专用处理器。例如,该处理器可以为中央处理单元(central processing unit,CPU)。或者,该处理器还可以是其他通用处理器、数字信号处理器(digital signal processor,DSP)、专用集成电路(application specific integrated circuit,ASIC)、现场可编程门阵列(field programmable gate array,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。
装置1000还可以包括一个或多个存储器1020。存储器1020上存储有程序,该程序可以被处理器1010执行,使得处理器1010执行前文方法实施例所描述的方法。存储器1020可以独立于处理器1010也可以集成在处理器1010中。
装置1000还可以包括收发器1030。处理器1010可以通过收发器1030与其他设备或芯片进行通信。例如,处理器1010可以通过收发器1030与其他设备或芯片进行数据收发。
本申请实施例还提供一种计算机可读存储介质,用于存储程序。该计算机可读存储介质可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序产品。该计算机程序产品包括程序。该计算机程序产品可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序。该计算机程序可应用于本申请实施例提供的终端或网络设备中,并且该计算机程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
应理解,本申请中术语“系统”和“网络”可以被可互换使用。另外,本申请使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象,而不是用于描述特定顺序。此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。
在本申请的实施例中,提到的“指示”可以是直接指示,也可以是间接指示,还可以是表示具有关联关系。举例说明,A指示B,可以表示A直接指示B,例如B可以通过A获取;也可以表示A间接指示B,例如A指示C,B可以通过C获取;还可以表示A和B之间具有关联关系。
在本申请实施例中,“与A相应的B”表示B与A相关联,根据A可以确定B。但还应理解,根据A确定B并不意味着仅仅根据A确定B,还可以根据A和/或其它信息确定B。
在本申请实施例中,术语“对应”可表示两者之间具有直接对应或间接对应的关系,也可以表示两者之间具有关联关系,也可以是指示与被指示、配置与被配置等关系。
本申请实施例中,“预定义”或“预配置”可以通过在设备(例如,包括终端设备和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现,本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。
本申请实施例中,所述“协议”可以指通信领域的标准协议,例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议,本申请对此不做限定。
本申请实施例中术语“和/或”,仅仅是一种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,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
本申请的实施例中,所述“包括”可以指直接包括,也可以指间接包括。可选地,可以将本申请实施例中提到的“包括”替换为“指示”或“用于确定”。例如,A包括B,可以替换为A指示B,或A用于确定B。
在本申请的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
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。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够读取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,数字通用光盘(digital video disc,DVD))或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
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以所述权利要求的保护范围为准。

Claims (67)

  1. 一种用于通信的方法,其特征在于,所述方法包括:
    第一终端设备通过用户面消息向第一核心网网元发送第一信息;
    其中,所述第一信息用于指示第二终端设备的信息。
  2. 根据权利要求1所述的方法,其特征在于,
    所述方法还包括:
    所述第一终端设备发送建立协议数据单元PDU会话的第一请求;
    其中,所述第一请求还用于请求发现所述第一核心网网元。
  3. 根据权利要求2所述的方法,其特征在于,所述第一请求承载在上行非接入层NAS传输消息中。
  4. 根据权利要求2或3所述的方法,其特征在于,所述第一请求或者承载所述第一请求的消息用于指示第一指示信息,所述第一指示信息包括以下信息中的一项或多项:
    请求发现采集终端设备信息的核心网网元的指示;
    应用功能AF的标识;
    服务提供者的标识;
    应用的标识。
  5. 根据权利要求4所述的方法,其特征在于,所述第一指示信息包含于所述第一请求中的协议配置选项PCO中。
  6. 根据权利要求1-5所述的方法,其特征在于,还包括:
    所述第一终端设备接收第二核心网网元发送的第一核心网网元的信息。
  7. 根据权利要求1所述的方法,其特征在于,所述方法还包括:
    所述第一终端设备发送第二信息;
    其中,所述第二信息用于指示所述第一核心网网元的信息。
  8. 根据权利要求1-7中任一项所述的方法,其特征在于,所述方法还包括:
    所述第一终端设备获取建立PDU会话的参数;
    其中,所述参数用于指示所述第一核心网网元的信息。
  9. 根据权利要求1-8中任一项所述的方法,其特征在于,所述第一核心网网元为用户面功能UPF网元或者采集终端设备信息的核心网网元。
  10. 根据权利要求9所述的方法,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
  11. 根据权利要求10所述的方法,其特征在于,所述UPF基于第一指示信息和/或第二信息确定,所述第一指示信息用于指示请求发现所述第一核心网网元的信息,所述第二信息用于指示所述第一核心网网元的信息。
  12. 根据权利要求1-11中任一项所述的方法,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  13. 根据权利要求1-12中任一项所述的方法,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  14. 一种用于通信的方法,其特征在于,所述方法包括:
    第一核心网网元通过用户面消息接收第一终端设备发送的第一信息;
    其中,所述第一信息用于指示第二终端设备的信息。
  15. 根据权利要求14所述的方法,其特征在于,所述第一核心网网元为用户面功能UPF网元或者用于采集终端设备信息的核心网网元。
  16. 根据权利要求15所述的方法,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在协议数据单元PDU会话建立过程中的选择UPF过程确定的。
  17. 根据权利要求16所述的方法,其特征在于,所述第一核心网网元的信息是在PDU会话建立过程中由第二核心网网元发送给所述第一终端设备的。
  18. 根据权利要求14-17中任一项所述的方法,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  19. 根据权利要求14-18中任一项所述的方法,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  20. 一种用于通信的方法,其特征在于,所述方法包括:
    第二核心网网元向第一终端设备发送第一核心网网元的信息;
    其中,所述第一核心网网元用于通过用户面消息接收第一信息,所述第一信息用于指示第二终端设备的信息。
  21. 根据权利要求20所述的方法,其特征在于,所述方法还包括:
    所述第二核心网网元接收建立协议数据单元PDU会话的第一请求;
    其中,所述第一请求还用于请求发现所述第一核心网网元。
  22. 根据权利要求21所述的方法,其特征在于,所述第一请求承载在上行非接入层NAS传输消息中。
  23. 根据权利要求21或22所述的方法,其特征在于,所述第一请求或者承载所述第一请求的消息用于指示第一指示信息,所述第一指示信息包括以下信息中的一项或多项:
    请求发现采集终端设备信息的核心网网元的指示;
    应用功能AF的标识;
    服务提供者的标识;
    应用的标识。
  24. 根据权利要求23所述的方法,其特征在于,所述第一指示信息包含于所述第一请求中的协议配置选项PCO中。
  25. 根据权利要求20所述的方法,其特征在于,所述方法还包括:
    所述第二核心网网元接收第二信息;
    其中,所述第二信息用于指示所述第一核心网网元的信息。
  26. 根据权利要求20-25中任一项所述的方法,其特征在于,所述第一核心网网元为用户面功能UPF网元或者用于采集终端设备信息的核心网网元。
  27. 根据权利要求26所述的方法,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
  28. 根据权利要求27所述的方法,其特征在于,所述UPF基于第一指示信息和/或第二信息确定,所述第一指示信息用于指示请求发现所述第一核心网网元的信息,所述第二信息用于指示所述第一核心网网元的信息。
  29. 根据权利要求20-28中任一项所述的方法,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  30. 根据权利要求20-29中任一项所述的方法,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  31. 一种终端设备,其特征在于,所述终端设备为第一终端设备,所述终端设备包括:
    第一发送单元,用于通过用户面消息向第一核心网网元发送第一信息;
    其中,所述第一信息用于指示第二终端设备的信息。
  32. 根据权利要求31所述的终端设备,其特征在于,所述终端设备具体用于:
    发送建立协议数据单元PDU会话的第一请求;
    其中,所述第一请求还用于请求发现所述第一核心网网元。
  33. 根据权利要求32所述的终端设备,其特征在于,所述第一请求承载在上行非接入层NAS传输消息中。
  34. 根据权利要求32或33所述的终端设备,其特征在于,所述第一请求或者承载所述第一请求的消息用于指示第一指示信息,所述第一指示信息包括以下信息中的一项或多项:
    请求发现采集终端设备信息的核心网网元的指示;
    应用功能AF的标识;
    服务提供者的标识;
    应用的标识。
  35. 根据权利要求34所述的终端设备,其特征在于,所述第一指示信息包含于所述第一请求中的协议配置选项PCO中。
  36. 根据权利要求31-35所述的终端设备,其特征在于,还包括:
    第一接收单元,用于接收第二核心网网元发送的第一核心网网元的信息。
  37. 根据权利要求31所述的终端设备,其特征在于,所述PDU建立过程包括所述第一终端设备发送第二信息,所述第二信息用于指示所述第一核心网网元的信息。
  38. 根据权利要求31-37中任一项所述的终端设备,其特征在于,还包括:
    获取单元,用于获取建立PDU会话的参数;
    其中,所述参数用于指示所述第一核心网网元的信息。
  39. 根据权利要求31-38中任一项所述的终端设备,其特征在于,所述第一核心网网元为用户面功能UPF网元或者采集终端设备信息的核心网网元。
  40. 根据权利要求39所述的终端设备,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
  41. 根据权利要求40所述的终端设备,其特征在于,所述UPF基于第一指示信息和/或第二信息确定,所述第一指示信息用于指示请求发现所述第一核心网网元的信息,所述第二信息用于指示所述第一核心网网元的信息。
  42. 根据权利要求31-41中任一项所述的终端设备,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  43. 根据权利要求31-42中任一项所述的终端设备,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  44. 一种核心网网元,其特征在于,所述核心网网元为第一核心网网元,所述核心网网元包括:
    第二接收单元,用于通过用户面消息接收第一终端设备发送的第一信息;
    其中,所述第一信息用于指示第二终端设备的信息。
  45. 根据权利要求44所述的核心网网元,其特征在于,所述第一核心网网元为用户面功能UPF网元或者用于采集终端设备信息的核心网网元。
  46. 根据权利要求45所述的核心网网元,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在协议数据单元PDU会话建立过程中的选择UPF过程确定的。
  47. 根据权利要求46所述的核心网网元,其特征在于,所述第一核心网网元的信息是在PDU会话建立过程中由第二核心网网元发送给所述第一终端设备的。
  48. 根据权利要求44-47中任一项所述的核心网网元,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  49. 根据权利要求44-48中任一项所述的核心网网元,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  50. 一种核心网网元,其特征在于,所述核心网网元为第二核心网网元,所述核心网网元包括:
    第二发送单元,用于向第一终端设备发送第一核心网网元的信息;
    其中,所述第一核心网网元用于通过用户面消息接收第一信息,所述第一信息用于指示第二终端设备的信息。
  51. 根据权利要求50所述的核心网网元,其特征在于,所述核心网网元具体用于:
    接收建立协议数据单元PDU会话的第一请求;
    其中,所述第一请求还用于请求发现所述第一核心网网元。
  52. 根据权利要求51所述的核心网网元,其特征在于,所述第一请求承载在上行非接入层NAS传输消息中。
  53. 根据权利要求51或52所述的核心网网元,其特征在于,所述第一请求或者承载所述第一请求的消息用于指示第一指示信息,所述第一指示信息包括以下信息中的一项或多项:
    请求发现采集终端设备信息的核心网网元的指示;
    应用功能AF的标识;
    服务提供者的标识;
    应用的标识。
  54. 根据权利要求53所述的核心网网元,其特征在于,所述第一指示信息包含于所述第一请求中的协议配置选项PCO中。
  55. 根据权利要求50所述的核心网网元,其特征在于,所述核心网网元具体用于:
    接收第二信息;
    其中,所述第二信息用于指示所述第一核心网网元的信息。
  56. 根据权利要求50-55中任一项所述的核心网网元,其特征在于,所述第一核心网网元为用户面功能UPF网元或者用于采集终端设备信息的核心网网元。
  57. 根据权利要求56所述的核心网网元,其特征在于,在所述第一核心网网元为所述UPF网元的情况下,所述第一核心网网元是在PDU会话建立过程中的选择UPF过程确定的。
  58. 根据权利要求57所述的核心网网元,其特征在于,所述UPF基于第一指示信息和/或第二信息确定,所述第一指示信息用于指示请求发现所述第一核心网网元的信息,所述第二信息用于指示所述第一核心网网元的信息。
  59. 根据权利要求50-58中任一项所述的核心网网元,其特征在于,所述第二终端设备为环境采集物联网AIoT设备,所述第一终端设备为所述AIoT设备的读写器。
  60. 根据权利要求50-59中任一项所述的核心网网元,其特征在于,所述第一核心网网元是在PDU会话建立过程中确定的。
  61. 一种终端设备,其特征在于,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以使所述终端设备执行如权利要求1-13中任一项所述的方法。
  62. 一种核心网网元,其特征在于,包括存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,以使所述核心网网元执行如权利要求14-30中任一项所述的方法。
  63. 一种装置,其特征在于,包括处理器,用于从存储器中调用程序,以使所述装置执行如权利要求1-30中任一项所述的方法。
  64. 一种芯片,其特征在于,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如权利要求1-30中任一项所述的方法。
  65. 一种计算机可读存储介质,其特征在于,其上存储有程序,所述程序使得计算机执行如权利要求1-30中任一项所述的方法。
  66. 一种计算机程序产品,其特征在于,包括程序,所述程序使得计算机执行如权利要求1-30中任一项所述的方法。
  67. 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1-30中任一项所述的方法。
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