WO2023217037A1 - 网元选择方法、能力指示方法及装置 - Google Patents

网元选择方法、能力指示方法及装置 Download PDF

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Publication number
WO2023217037A1
WO2023217037A1 PCT/CN2023/092522 CN2023092522W WO2023217037A1 WO 2023217037 A1 WO2023217037 A1 WO 2023217037A1 CN 2023092522 W CN2023092522 W CN 2023092522W WO 2023217037 A1 WO2023217037 A1 WO 2023217037A1
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WIPO (PCT)
Prior art keywords
access
internet
things
network
network element
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PCT/CN2023/092522
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English (en)
French (fr)
Inventor
李欢
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2023217037A1 publication Critical patent/WO2023217037A1/zh
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the present application belongs to the field of wireless communication technology, and specifically relates to a network element selection method, a capability indication method and a device.
  • the 3rd Generation Partnership Project (3GPP) fifth generation (5th Generation, 5G) system includes terminals, access networks and core networks.
  • the mobility management of terminal devices in the 5G core network can be divided into registration management and connection management. Terminal devices need to be registered to the core network before they can further receive network services.
  • a Radio Resource Control (RRC) connection is established between the terminal equipment and the access network equipment, and a Non-Access Stratum (NAS) connection is established between the terminal equipment and the mobility management network element.
  • RRC Radio Resource Control
  • NAS Non-Access Stratum
  • IoT devices generally refer to terminal devices used in certain specific scenarios or specific services. IoT devices can be designed for the specific needs of the services and applications they need to perform, such as smart homes, smart cities, smart utilities, e-health and smart wearables. Some IoT devices are not intended for human communication, for example, electronic meter reading devices.
  • IoT devices are only used in specific scenarios or specific services and are mass-produced by IoT device manufacturers. Due to limitations such as cost and size, IoT devices may not support a complete protocol stack like a terminal, or may not support all functions of existing terminals, or may support specific IoT functions, but only some network elements in the network may (for example, Some mobility management network elements) support serving these IoT devices. If you randomly select network elements to serve IoT devices, there may be cases where the IoT devices cannot Enough to get normal services.
  • Embodiments of the present application provide a network element selection method, a capability indication method and a device, which solve the problem of the Internet of Things equipment being unable to obtain normal services by selecting appropriate network elements for the Internet of Things equipment.
  • a network element selection method including: the access network device obtains first Internet of Things device access capability information of the first network element, wherein the first Internet of Things device access capability information indicates the The first network element has the ability to support access of Internet of Things devices; the access network device selects the first network element to provide services for Internet of Things devices.
  • a network element selection device which is applied to access network equipment.
  • the device includes: a first acquisition module for acquiring the first Internet of Things device access capability information of the first network element, wherein, The first Internet of Things device access capability information indicates that the first network element has the ability to support Internet of Things device access; the first selection module is used to select the first network element to provide services for the Internet of Things device.
  • a capability indication method including: a first network element sending the first Internet of Things device access capability information of the first network element to an access network device, wherein the first Internet of Things device The access capability information indicates that the first network element has the ability to support access to Internet of Things devices.
  • a capability indication device which is applied to network side equipment.
  • the device includes: a second acquisition module for acquiring the first Internet of Things device access capability information of the first network element, wherein, The first Internet of Things device access capability information indicates that the first network element has the ability to support Internet of Things device access; a third sending module is configured to send the first information of the first network element to the access network device. Internet of Things device access capability information.
  • a network side device in a fifth aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are executed by the processor.
  • a sixth aspect provides a network side device, including a processor and a communication interface, wherein the processor is used to implement the steps of the method described in the first or third aspect, and the communication interface Used to communicate with external devices.
  • a network element selection system including: a terminal and a network side device.
  • the network side device can be configured to perform the steps of the method described in the first aspect or the third aspect.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the method described in the first aspect are implemented, or the steps of the method are implemented as described in the first aspect. The steps of the method described in the third aspect.
  • a chip in a ninth aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the method described in the first aspect. steps, or steps to implement the method described in the third aspect.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the method as described in the first aspect.
  • whether the first network element supports the Internet of Things device access capability is obtained through the access network device, and based on this, the first network element that supports the Internet of Things device access capability is selected to serve the Internet of Things device, so that IoT devices can smoothly access mobile networks.
  • Figure 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable
  • Figure 2 shows a schematic flow chart of a network element selection method provided by an embodiment of the present application
  • Figure 3 shows a schematic flowchart of a capability indication method provided by an embodiment of the present application
  • Figure 4a shows a schematic diagram of a network architecture in an embodiment of the present application
  • Figure 4b shows a schematic diagram of another network architecture in the application embodiment
  • Figure 4c shows a schematic diagram of two ways for an Internet of Things device to access a mobile network in this embodiment of the present application
  • Figure 5 shows a schematic flow chart of an Internet of Things device access method provided by an embodiment of the present application
  • Figure 6a shows a schematic flowchart of another Internet of Things device access method provided by an embodiment of the present application.
  • Figure 6b shows a schematic flow chart of yet another Internet of Things device access method provided by an embodiment of the present application
  • Figure 7a shows a schematic structural diagram of a network element selection device provided by an embodiment of the present application.
  • Figure 7b shows a schematic structural diagram of another network element selection device provided by an embodiment of the present application.
  • Figure 8a shows a schematic structural diagram of a capability indicating device provided by an embodiment of the present application
  • Figure 8b shows a schematic structural diagram of another capability indicating device provided by an embodiment of the present application.
  • Figure 9 shows a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 10 shows a schematic diagram of the hardware structure of a network-side device provided by an embodiment of the present application.
  • Figure 11 shows a schematic diagram of the hardware structure of another network-side device provided by an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA single-carrier frequency division multiple access
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets , smart anklets, etc.), smart wristbands, smart clothing, etc.
  • the network side device 12 may include an access network device and/or a core network device, where the access network device 12 may also be called a radio access network device, a radio access network (Radio Access Network, RAN), or a radio access network. function or radio access network unit.
  • the access network device 12 may include a base station, a Wireless Local Area Network (WLAN) access point or a Wireless Fidelity (WiFi) node, etc.
  • WLAN Wireless Local Area Network
  • WiFi Wireless Fidelity
  • the base station may be called a Node B, an Evolved Node B (eNB), Access point, Base Transceiver Station (BTS), Radio Base Station, Radio Transceiver, Basic Service Set (BSS), Extended Service Set (Extended Service) Set, ESS), home B-node, home evolved B-node, transmitting receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field.
  • eNB Evolved Node B
  • BTS Base Transceiver Station
  • BSS Basic Service Set
  • Extended Service Set Extended Service Set
  • TRP Transmitting Receiving Point
  • the base station is not limited to specific Regarding technical vocabulary, it should be noted that in the embodiment of this application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Service Discovery function (Edge Application Server Discovery Function, EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), centralized network configuration ( Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (Local NEF, or L-NEF), Binding Support Function (Binding Support Function, BSF), application function (Application Function, AF), etc.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • UPF User Plane Function
  • PCF Policy Control Function
  • the core network equipment in the NR system is used as an example for introduction, and the specific type of the core network equipment is not limited. It is worth noting that the functions of the above-mentioned core network devices can be jointly implemented by multiple devices, or the functions of multiple core network devices can be implemented by one device, which is not limited in the embodiments of the present application. In the embodiment of the present application, if the functions of multiple core network devices are implemented by one device, the interaction between the multiple core network devices in the embodiment of the present application is an internal operation of the device.
  • FIGs 4a and 4b respectively show two network architectures applicable to the technical solutions provided by the embodiments of the application.
  • IoT devices access the mobile network through inventory devices.
  • the inventory device can be user equipment (User Equipment, UE) or radio access network (Radio Access Network, RAN).
  • UE User Equipment
  • RAN Radio Access Network
  • the movement range of the IoT device is within the range of a specific inventory device, e.g.
  • the device can be an IoT device installed in a certain factory or moved within a certain factory.
  • the movement range of the IoT device is larger than the range of a specific inventory device.
  • the inventory device can be an IoT device installed on a logistics vehicle.
  • the inventory device refers to a device that is directly connected to the Internet of Things device, sometimes also called a reader/writer, sender, or receiver.
  • Figure 4c shows a schematic diagram of two ways for an Internet of Things device to access a mobile network in this embodiment of the present application. As shown in Figure 4c, an Internet of Things device can access a mobile network in the following two ways.
  • the IoT device accesses the mobile core network through the access network device (for example, as a reader/writer).
  • the access network device sends an excitation signal to the IoT device and receives the reflection of the excitation signal from the IoT device.
  • Access network equipment can be divided into a transmitter and a receiver; the transmitter transmits excitation signals or downlink control signaling, and the receiver receives reflected signals or uplink data.
  • the IoT device can be an ambient IoT (Ambient The Internet of Things, AmbientIoT) device or a passive IoT (PassiveThe Internet of Things, PassiveIoT) device.
  • AmbientIoT devices or PassiveIoT devices need to absorb energy from the environment and contact the reader by sending reflected signals after receiving the excitation signal.
  • the access network device serves as a reader/writer for the IoT device, and the IoT device accesses the mobile network through the reader/writer.
  • the second method IoT devices communicate with access network devices through terminal devices, thereby accessing the mobile core network.
  • the terminal device can serve as a reader/writer for the IoT device, send an excitation signal to the IoT device, and receive the reflection signal of the excitation signal from the IoT device.
  • the terminal equipment can be divided into a transmitting end and a receiving end; the transmitting end emits an excitation signal, and the receiving end receives the reflected signal.
  • the IoT device can be an AmbientIoT device or a PassiveIoT device. AmbientIoT devices or PassiveIoT devices need to absorb energy from the environment and contact the reader by sending reflected signals after receiving the excitation signal.
  • the terminal device serves as a reader and writer for the IoT device.
  • the IoT device communicates with the access network device through the terminal device to access the mobile network.
  • access network equipment and terminal equipment can also communicate through other methods, such as WiFi, Bluetooth, wired connections, etc.
  • the IoT device may be an AmbientIoT device, a PassiveIoT device, or other devices, such as non-3GPP devices.
  • Figure 2 shows a schematic flowchart of a network element selection method provided by an embodiment of the present application.
  • the method 200 can be executed by a communication device.
  • the method may be performed by software or hardware installed on the communication device.
  • the method may include the following steps.
  • the access network device obtains the first Internet of Things device access capability information of the first network element.
  • the access network device obtains the first Internet of Things device access capability information of the first network element, wherein the first Internet of Things device access capability information indicates that the first network element has The ability to support the access of IoT devices.
  • the access network device may be a radio access network (Radio Access Net, RAN) device, and the Internet of Things device may access the network through the access network device.
  • the access network device can be a reader/writer for the Internet of Things device, and the Internet of Things device accesses the mobile core network through the reader/writer.
  • the reader sends an excitation signal to the IoT device and receives the reflection signal of the excitation signal from the IoT device.
  • the reader/writer can be the transmitter, transmitting excitation signals, or the reader/writer can also be the receiver, receiving reflected signals, or the reader/writer can also be the transmitter that sends inventory signaling or downlink signaling to IoT devices.
  • the reader/writer can also serve as a receiving end for receiving uplink signaling from the Internet of Things device.
  • the access network device can be called a reader/writer access network device.
  • the access network device can also be a base station, etc., and the terminal serves as a reader/writer for the Internet of Things device, and the Internet of Things device accesses the base station through the terminal.
  • the first network element may be a network element in the mobile core network, for example, a mobility management network element, such as MME or AMF.
  • a mobility management network element such as MME or AMF.
  • the first network element has the ability to support the access of Internet of Things devices, which can be manifested in that the first network element can support the registration of Internet of Things devices to the first network element (mobile network). ), or the first network element supports the Internet of Things device to establish a session channel, etc.
  • the access network device obtains the first IoT device access capability information of the first network element, including at least one of the following: 1) the access network device receives data from the first network element; The first Internet of Things device access capability information of the element; 2) The access network device obtains the access capability information according to the operator configuration information. Obtain the first Internet of Things device access capability information of the first network element; 3) The access network device obtains the first Internet of Things device access capability information of the first network element through network management system configuration.
  • the access network device receiving the first Internet of Things device access capability information from the first network element may be that the access network device receives the information directly sent from the first network element.
  • the first Internet of Things device access capability information or other information sent by the first network element, and the other information includes the first Internet of Things device access capability information.
  • the first network element may send the first IoT device access capability information to the access network device through an application layer signaling protocol (NG Application Protocol, NGAP) message, or the first network element may send an NG Establishment message to the access network device.
  • NGAP application layer signaling protocol
  • a response message wherein the response information includes the first Internet of Things device access capability information of the first network element, and the access network device receives the first Internet of Things device access capability information from the first network element.
  • the access network device selects the first network element to provide services for the Internet of Things device.
  • the access network device obtains whether the first network element supports the Internet of Things device access capability, and accordingly selects the first network element that supports the Internet of Things device access capability to provide services for the Internet of Things device.
  • the first network element providing services for the Internet of Things device may include: an access request for the first network element to access the Internet of Things device, the first network element providing mobile network services for the Internet of Things device, etc.
  • the access network device selects the first network element to provide services for the Internet of Things device, including: the access network device obtains access request information of the Internet of Things device. ; The access network device sends the access request information of the Internet of Things device to the first network element. For example, when an Internet of Things device needs network services, it sends a request information to access the network. At this time, the access network device receives the request information of the Internet of Things device to access the network.
  • the access network device Since the access network device has After obtaining whether the first network element supports the access capability of the Internet of Things device, the access network device combines the access capability information of the first Internet of Things device and the request information of the Internet of Things device to select the network element that can support the access of the above-mentioned Internet of Things device.
  • the first network element provides services for the above-mentioned Internet of Things devices, so that the above-mentioned Internet of Things devices can successfully access the first network element or the mobile network.
  • the access network device can be used as a reader or writer of the IoT device, or as a sender or receiver, or as an IoT device.
  • the device can access the mobile core network through the access network device.
  • the access network device can obtain the access request information of the IoT device and send the access request information of the IoT device to the first network element, that is, to the device with support A network element with the ability to access IoT devices.
  • the access network device obtains the access request information of the Internet of Things device
  • the access network device receives the access request information of the Internet of Things device from the mobility management network element. For example, if the IoT device moves from access network device A to the access network device, access network device A sends a handover required message to the mobility management network element, indicating that the IoT device will be switched to the access network device. The device, the mobility management network element sends an Internet of Things device switching request message to the access network device, and the Internet of Things device switching request message indicates that the Internet of Things device will access the access network device.
  • the mobility management network element is the network element that served the IoT device before it moved, and therefore already has the ability to access the IoT device.
  • the access network device uses this mobile Sexual management network elements serve IoT devices and may not require additional selection steps.
  • the access network device receives the access request information of the Internet of Things device from mobility management network element B. For example, if the IoT device is about to move from access network device A to the access network device, access network device A sends a handover required message to mobility management network element A, indicating that the IoT device is about to be switched to the access network device.
  • Network access device, mobility management network element A sends the context of the Internet of Things device to mobility management network element B
  • mobility management network element B sends an Internet of Things device switching request message to the access network device, and the Internet of Things device switches The request message indicates that the Internet of Things device will access the access network device.
  • the access network device may reselect the mobility management network element to serve the IoT device. For example, if mobility management network element B does not support the access capability of IoT devices, the access network device may reselect mobility management network element C to serve the IoT devices.
  • the access network device determines that the terminal device with the Internet of Things access capability will be handed over to the access network device A. For example, if the terminal device is about to move from access network device A to the access network device, access network device A sends a handover required message to mobility management network element A, indicating that the terminal device is about to be handed over to the access network device. equipment.
  • the handover message may carry the Internet of Things access capability to indicate that the terminal device has the Internet of Things access capability.
  • mobility management network element A selects mobility management network element B with IoT access capability, and sends the context of the terminal device to mobility management network element B, including the context of the terminal device.
  • mobility management network element B sends a terminal device switching request message to the access network device, and the terminal device switching request message indicates that the Internet of Things device will access the access network device.
  • the Internet of Things device may be an Ambient The Internet of Things (AmbientIoT) device or a Passive Internet of Things (PassiveThe Internet of Things, PassiveIoT) device.
  • AmbientIoT Ambient The Internet of Things
  • PassiveIoT PassiveThe Internet of Things
  • the access network device selects the first network element to provide services for the Internet of Things device, including: the access network device obtains access request information of the Internet of Things device; The access network device selects the first network element to provide services for the Internet of Things device, and sends the access request information of the Internet of Things device to the first network element.
  • the time when the access network device selects the first network element to provide services for the Internet of Things device is after obtaining the access request information of the Internet of Things device.
  • the access network device can be used as a reader/writer for the IoT device to read the access request information of the IoT device, or the access network device can also use other communication methods, such as Bluetooth, WiFi or wired connection. Obtain the access request information of the IoT device.
  • the method may further include: the access network device sending the second Internet of Things device access capability information of the access network device to the first network element, Wherein, the second Internet of Things device access capability information indicates that the access network device has the ability to support Internet of Things device access.
  • the first network element can learn the access capability of the second IoT device of the access network device, and determine that the access network device may access the IoT device, Thus, the first network element can be triggered to send the first Internet of Things device access capability information to the access network device.
  • the second Internet of Things device access capability information indicates at least one of the following: 1) the access network device is a reader/writer of the Internet of Things device; 2) The access network device supports Internet of Things devices to access the mobile core network through the access network device; 3) the access network device supports sending incentive signals to Internet of Things devices; 4) the access network device supports receiving Reflected signals from Internet of Things equipment; 5) The access network equipment supports serving as the sending end of Internet of Things equipment; 6) The access network equipment serves as the receiving end of Internet of Things equipment.
  • the access network device can directly send the second Internet of Things device access capability information to the first network element, or can also send other information to the first network element, and the other information includes the second Internet of Things device access capability information.
  • the access network device may send its second IoT device access capability information to the first network element through an NGAP message, or the access network device may send an NG establishment request message to the first network element.
  • the above-mentioned NG establishment request message includes the second Internet of Things device access capability information of the access network device.
  • the access network device can also send the second IoT device access information to the first network element through other messages, such as access network device configuration update messages, etc., which are not limited by the embodiments of this application.
  • the method may further include: the access network device obtains the information of the terminal device.
  • Third Internet of Things device access capability information wherein the third Internet of Things device access capability information indicates that the terminal device has the ability to support Internet of Things device access; the access network device selects the first network Yuan provides services to the terminal device.
  • the IoT device can access the mobile network through the terminal device.
  • the terminal device can serve as a reader/writer for the IoT device, send an excitation signal to the IoT device, and receive the response of the IoT device to the excitation signal.
  • the terminal device as an IoT device can send its third IoT device access capability information to the access network device, so that the access network device learns that there may be an IoT device accessing the mobile network through the terminal device.
  • the access network device selects the first network element that supports the access of the Internet of Things devices for the terminal device.
  • the access network device selects the first network element to provide the terminal device with After the service is provided, the first network element can provide services for the Internet of Things devices accessed through the terminal device.
  • the terminal device can be used as a reader/writer for the IoT device to connect the IoT device to the mobile network, or the IoT device can directly communicate with the terminal device through Wifi, Bluetooth or wired connection, and connect the IoT device through the terminal device. Enter the mobile network.
  • the terminal device can send a registration request, an initial access request or a session establishment request to the access network device, and deliver one of the RRC messages of the uplink NAS message, where the RRC message includes the object Network device access capability indication information.
  • the RRC message includes the object Network device access capability indication information.
  • the terminal device when the access network device selects the first network element to provide services for the terminal device, the terminal device can interact with messages of the first network element, such as establishing a connection, to provide network services for the terminal device.
  • the access network device selects the first network element to provide services for the Internet of Things device.
  • the access network device obtains the access request information of the Internet of Things device, and the access network device transmits the access request information to the Internet of Things device.
  • the access request information of the Internet of Things device is sent to the first network element, and then the first network element that can support the access of the Internet of Things device is selected to provide services.
  • the access network device may also select the first network element for the terminal device.
  • the first network element that supports the access capability of the Internet of Things device thereby selecting the appropriate first network element for the terminal device that supports the Internet of Things access capability to serve the terminal device, and further ensuring that subsequent Internet of Things devices pass through the terminal device
  • the same first network element can serve terminal devices and IoT devices without replacing the first network element.
  • the method may further include: the access network device transmits the The first network element sends the access capability information of the third Internet of Things device.
  • This step is an optional step in the embodiment of the present application.
  • the third Internet of Things device access capability information indication may include at least one of the following: 1) the terminal device is a reader/writer of the Internet of Things device; 2) the terminal device supports things Networking equipment accesses the mobile core network through the terminal equipment; 3) The terminal equipment supports serving as a sending end of an Internet of Things device; 4) The terminal equipment serves as an Internet of Things device.
  • the receiving end of the network device 5) the terminal device supports the online contracting function of the Internet of Things device; 6) the terminal device supports the establishment of a session channel for the Internet of Things device.
  • the access network device may directly send the access capability information of the third IoT device to the first network element, or may send the access capability information of the third IoT device indirectly. to the first network element.
  • the access network device sends an NGAP message, or an initial terminal device message, or an uplink NAS transfer message to the first network element.
  • These messages contain the third Internet of Things device access capability information of the terminal device, and then The access network device is implemented to send the access information of the third Internet of Things device to the first network element.
  • the embodiments of this application do not limit which NGAP message is used to transmit the access capability information of the third IoT device, nor does the access network device indirectly send the access capability information of the third IoT device to the first network element. Limited to the methods listed above.
  • the method may further include: the access network device receives a message from the terminal device.
  • An access request message for an Internet of Things device wherein the access request message is used to request that the Internet of Things device access a mobile network; the access network device forwards the Internet of Things device to the first network element access request message.
  • the terminal device obtains an access request message from the Internet of Things device.
  • the access request message is used to request that the Internet of Things device access the mobile network.
  • the UE can be a reader/writer and receives the access of the Internet of Things device. request information, and then the terminal device sends an access request message of the Internet of Things device to the access network device.
  • the request message can be an Internet of Things device registration request message.
  • the access request message is related to the access request message obtained by the terminal device from the Internet of Things device.
  • the incoming request messages can be the same or different.
  • access network equipment and terminal equipment are used as readers and writers of Internet of Things devices as an example for explanation, but it is not limited to this.
  • the technical solution provided by the embodiments of this application can also be used in terminals. Scenarios where devices or access network devices communicate with IoT devices in other ways, such as WiFi, Bluetooth, wired connections, etc.
  • the IoT device may be an AmbientIoT device, a PassiveIoT device, or other devices, such as non-3GPP devices.
  • the first network element may be a mobility management network element, or may be other network elements that support access of Internet of Things devices or other network elements that can serve Internet of Things devices.
  • whether the first network element supports the Internet of Things device access capability is obtained through the access network device, and based on this, the first network element that supports the Internet of Things device access capability is selected to serve the Internet of Things device, so that IoT devices can smoothly access mobile networks.
  • FIG. 3 shows a schematic flowchart of a capability indication method provided by an embodiment of the present application.
  • the method 300 can be executed by the first network element.
  • the method may be executed by software or hardware installed on the first network element, which is the same as the first network element in the above method 200.
  • the method may include the following steps.
  • the first network element sends the first Internet of Things device access capability information of the first network element to the access network device.
  • the first network element sends the first Internet of Things device access capability information of the first network element to the access network device, where the first Internet of Things device access capability information indicates The first network element has the ability to support access to Internet of Things devices.
  • the ability of the first network element to support access of Internet of Things devices can be manifested in that the first network element can support registration of Internet of Things devices to the first network element (mobile network), or the third network element can support the registration of Internet of Things devices to the first network element (mobile network).
  • One network element supports establishing session channels for IoT devices, etc.
  • the first network element can directly send the first Internet of Things device access capability information to the access network device, or can also send other information to the access network device, and the other information includes First Internet of Things device access capability information.
  • the first network element may send the first IoT device access capability information of the first network element to the access network device through an NGAP message or the first network element may send an NG establishment response message to the access network device, This information includes the first Internet of Things device access capability information of the first network element. Therefore, the first network element sends the first Internet of Things device access capability information to the access network device in the above indirect manner. It is worth noting that the first network element can also send the first IoT device information to the access network device through other messages, which is not limited by the embodiments of this application.
  • the method may further include: the first network element receiving second Internet of Things device access capability information from the access network device, wherein the second Internet of Things device access capability information The information indicates that the access network device has the ability to support access of Internet of Things devices.
  • the second Internet of Things device access capability information indicates at least one of the following: 1) the access network device is a reader/writer of the Internet of Things device; 2) the access network device supports The Internet of Things device accesses the mobile core network through the access network device; 3) the access network device supports sending excitation signals to the Internet of Things device; 4) the access network device supports receiving reflected signals from the Internet of Things device ; 5) The access network device supports serving as the sending end of the Internet of Things device; 6) The access network device serves as the receiving end of the Internet of Things device.
  • the method may further include: the first network element receiving access request information from an Internet of Things device of the access network device.
  • the first network element receives access request information from the Internet of Things device of the access network device, and converts the access request information to the Internet of Things device according to the request information.
  • the IoT device is connected to the first network element (mobile network).
  • the method may further include: the first network element Receive third Internet of Things device access capability information from a terminal device of the access network device, wherein the third Internet of Things device access capability information indicates that the terminal device has the ability to support Internet of Things device access. .
  • the third Internet of Things device access capability information indicates at least one of the following: 1) the terminal device is a reader/writer of an Internet of Things device; 2) the terminal device supports an Internet of Things device Access the mobile core network through the terminal device; 3) the terminal device supports serving as the sending end of the Internet of Things device; 4) the terminal device serves as the receiving end of the Internet of Things device; 5) the terminal device supports the Online contracting function for Internet-connected devices; 6) The terminal device supports the establishment of session channels for Internet of Things devices.
  • the access network device may directly send the access capability information of the third IoT device to the first network element, or may send the access capability information of the third IoT device to the third IoT device indirectly.
  • One network element For example, the access network device sends an NGAP message, or an initial terminal device message, or an uplink NAS delivery message to the first network element. These messages contain the third Internet of Things device access capability information of the terminal device.
  • the embodiments of this application do not limit the specific use of which NGAP message is used to transmit the access capability information of the third IoT device.
  • the access network device indirectly transmits the access capability information of the third IoT device. Sending the Internet of Things device access capability information to the first network element is not limited to the methods listed above.
  • the method may further include: the first network element Receive an access request message from an Internet of Things device of the access network device, where the access request message is used to request that the Internet of Things device access a mobile network.
  • the first network element supports access to the corresponding Internet of Things device
  • the first network element receives access request information from the Internet of Things device of the access network device, and converts the access request information to the Internet of Things device according to the request information.
  • the IoT device is connected to the first network element (mobile network).
  • the first network element sends the first Internet of Things device access capability information of the first network element to the access network device, where the first Internet of Things device access capability information indicates
  • the first network element has the ability to support Internet of Things device access, thereby enabling subsequent access network devices to obtain whether the first network element supports the Internet of Things device access capability, and select a third network element that supports the Internet of Things device access capability accordingly.
  • One network element serves the IoT device, allowing the IoT device to successfully access the mobile network.
  • the first network element being an AMF as an example
  • the technical solutions provided by the embodiments of the present application are described for the two access methods of Internet of Things devices.
  • the first network element may also be other core network elements other than the AMF, which is not specifically limited in the embodiments of this application.
  • FIG. 5 shows a schematic flowchart of an Internet of Things access method provided by an embodiment of the present application.
  • the method 500 can be executed by the access network device and the first network element.
  • the method may be executed by software or hardware installed on the access network device and the first network element.
  • the method may include the following steps.
  • the access network device (for example, RAN) sends the access capability information of the second Internet of Things device to the first network element (for example, AMF).
  • the second Internet of Things device access capability information indicates the ability information of the access network device to support Internet of Things device access.
  • the second Internet of Things device access capability information indicates at least one of the following: 1) the access network device is a reader/writer of the Internet of Things device; 2) the access network device supports the Internet of Things device through all The access network equipment is connected to the mobile core network; 3) the access network equipment supports sending excitation signals to the Internet of Things equipment; 4) the access network equipment supports receiving reflected signals from the Internet of Things equipment; 5) the The access network device supports serving as the sending end of the Internet of Things device; 6) the access network device serves as the receiving end of the Internet of Things device.
  • the access network device may send the second Internet of Things device access capability information of the access network device to the first network element through an NGAP message.
  • the access network device sends an NG establishment request message to the first network element.
  • This request message includes the access capability information of the second IoT device of the access network device, so that the access network device connects the second IoT device to the first network element.
  • the access capability information is sent to the first network element. It is worth noting that the access capability information of the second IoT device can also be sent to the first network element through other messages, such as access network device configuration update messages, etc., which are not limited by the embodiments of this application.
  • S501 is an optional step.
  • the first network element sends the access capability information of the first Internet of Things device to the access network device.
  • the first Internet of Things device access capability information indicates that the first network element has the ability to support Internet of Things device access.
  • the first network element can support registration of an Internet of Things device to a mobile network, or the first network element Supports establishing session channels for IoT devices, etc.
  • the access network device stores the first IoT device access capability information of the first network element.
  • the RAN can also obtain the AMF's IoT device access capability information through configuration, such as the operator's local configuration or network management system configuration. S502 does not need to be executed at this time.
  • the access network device obtains the access request information of the Internet of Things device.
  • the access network device obtains the access request information of the Internet of Things device, and the access request information is used to request that the Internet of Things device access the first network element or the mobile network.
  • the access network device may receive an Internet of Things device access request from the Internet of Things device or from the UE, where the access request is used to request that the Internet of Things device access the mobile network.
  • the RAN can be a reader/writer that receives an access request from an IoT device.
  • the UE is a reader/writer, receives an access request from an Internet of Things device, and sends the access request to the RAN.
  • the access network device selects the first network element with the Internet of Things device access capability.
  • the access network device sends the Internet of Things device access request information to the first network element that supports Internet of Things device access.
  • the access network device can determine the first network element (for example, AMF) that supports the Internet of Things device access capability based on the first IoT device access capability information and configuration information of the first network element.
  • AMF the first network element that supports the Internet of Things device access capability
  • the Internet of Things device needs network services, it sends a request information to access the network.
  • the access network device receives the request information of the above-mentioned Internet of Things device to access the network. Since the access network device has obtained the first network element Whether to support the access capability of the IoT device, the access network device combines the access capability information of the first IoT device and the request information of the IoT device to select the first network element that can support the access of the above IoT device as the above IoT device.
  • the device provides services.
  • the access network device obtains the third Internet of Things device access capability information of the terminal.
  • the access network device obtains the third Internet of Things device access capability information of the terminal and learns that the terminal has the ability to support Internet of Things device access.
  • S506 to S508 are technical solutions that can be parallel to S503 to S505.
  • the access network device can execute S506 to S508, or execute S503 to S505, or it can also execute both S503 to S505 and S506. to S508, but there is no certain order in time from S503 to S505 and S506 to S508.
  • the access network device obtaining the third Internet of Things device access capability information of the terminal may include at least one of the following: 1) the access network device receives a registration request from the terminal; 2) the access The network device receives an initial access request from the terminal; 3) the access network device receives a session establishment request from the terminal, wherein the third thing is indicated in the above-mentioned registration request, initial access request or session establishment request. Networked device access capability information.
  • the access network device selects the first network element with the Internet of Things access capability to serve the terminal.
  • the access network device can determine the first network element that supports the Internet of Things device access capability based on the stored first IoT device access capability information and configuration information of the first network element, thereby selecting support for the terminal.
  • the first network element with access capabilities for IoT devices can be determined.
  • the access network device sends the third Internet of Things device access capability information of the terminal to the first network element.
  • the first network element can learn that the terminal supports access to the Internet of Things device, thereby enabling the first network element to provide corresponding services for the terminal. This step is optional.
  • the access network device selects the first network element that supports the Internet of Things device access capability for the terminal that supports the Internet of Things device access capability, thereby selecting an appropriate first network element for the UE that supports the Internet of Things device access capability. Yuan serves it. It can further ensure that subsequent IoT devices access the mobile network through the UE, and the same first network element can serve the UE and IoT devices without changing the first network element.
  • whether the first network element supports the Internet of Things device access capability is obtained through the access network device, and based on this, the first network element that supports the Internet of Things device access capability is selected to serve the Internet of Things device, so that IoT devices can successfully access the mobile network and obtain normal services from the mobile network.
  • Figure 6a shows a schematic flowchart of another Internet of Things access method provided by an embodiment of the present application. As shown in Figure 6a, the method 610 may include the following steps.
  • the terminal device eg, UE
  • sends the third Internet of Things device access capability information to the access network device eg, RAN.
  • the third Internet of Things device access capability information indicates that the terminal device has the ability to support Internet of Things device access.
  • the third Internet of Things device access capability information indicates at least one of the following: 1) the terminal device is a reader/writer of the Internet of Things device; 2) the terminal device supports Internet of Things devices through the terminal The device is connected to the mobile core network; 3) the terminal device supports serving as the sending end of the Internet of Things device; 4) the terminal device serves as the receiving end of the Internet of Things device; 5) the terminal device supports online signing of the Internet of Things device Function; 6) The terminal device supports establishing a session channel for the Internet of Things device.
  • the access network device may directly send the third IoT device access capability information to the first network element, or may indirectly send the third IoT device access capability information to the first network element. Yuan.
  • the access network device sends an NGAP message to the first network element, or the initial terminal device Messages, or uplink NAS delivery messages, which include the third Internet of Things device access capability information of the terminal device.
  • the embodiments of this application do not limit the specific use of which NGAP message is used to transmit the access capability indication information of the third IoT device.
  • the access network device can also indirectly send the access capability information of the third IoT device to the first network element. Not limited to the methods listed above.
  • the access network device selects the first network element (for example, AMF) with the Internet of Things access capability.
  • AMF the first network element
  • the access network device may determine the first network element that supports the Internet of Things device access capability based on the stored first Internet of Things device access capability information and configuration information of the first network element.
  • the Internet of Things device needs network services, it sends a request information to access the network.
  • the access network device receives the request information of the above-mentioned Internet of Things device to access the network. Since the access network device has obtained the first network element Whether to support the access capability of the IoT device, the access network device combines the access capability information of the first IoT device and the request information of the IoT device to select the first network element that can support the access of the above IoT device as the above IoT device.
  • the device provides services.
  • the access network device sends the third Internet of Things device access capability information of the terminal device to the first network element.
  • the access network device sends the third Internet of Things device access capability information of the terminal device to the first network element.
  • the access network device sends an NGAP message, or an initial terminal device message, or an uplink NAS delivery message to the first network element.
  • the information includes the third IoT device access capability information of the terminal device, thereby realizing the access
  • the network access device sends the third Internet of Things device access capability information of the terminal device to the first network element.
  • This embodiment does not limit which NGAP message is specifically used to transmit the access capability indication information of the third Internet of Things device.
  • the access network device can also send an NGAP message to the first network element, but does not include the third IoT device access capability indication information of the terminal device.
  • the access network device selects a first network element that supports the Internet of Things device access capability for the terminal device, and the first network element serves the terminal device.
  • S614 The terminal device obtains the access request information of the Internet of Things device.
  • the terminal device obtains access request information of the Internet of Things device, and the access request information is used to request that the Internet of Things device access the first network element or mobile network.
  • S615 The terminal device sends the access request information of the Internet of Things device to the access network device.
  • the Internet of Things device access request message may be an Internet of Things device registration request message.
  • the Internet of Things device access request message may be the same as or different from the Internet of Things device access request information in S504. For example, after obtaining the access request information of the Internet of Things device, the terminal device sends an Internet of Things device registration request message to the access network device.
  • the access network device may also send the above-mentioned Internet of Things device access request information to the first network element.
  • the access network device selects the first network element that supports the access capability of the Internet of Things device for the terminal device, thereby selecting the appropriate first network element as the terminal device for the terminal device that supports the access capability of the Internet of Things.
  • Service can further ensure that subsequent IoT devices access the first network element or mobile network through the terminal device.
  • the same first network element can serve both terminal devices and IoT devices without changing the first network element or mobile network.
  • Figure 6b shows a schematic flowchart of yet another Internet of Things access method provided by an embodiment of the present application. As shown in Figure 6b, the method 620 may include the following steps.
  • the access network device (for example, RAN) sends the access capability information of the second Internet of Things device to the first network element (for example, AMF).
  • the first network element for example, AMF
  • the first network element sends the first Internet of Things device access capability information to the access network device.
  • the terminal device for example, UE
  • sends the third Internet of Things access capability indication information to the access network device for example, RAN.
  • the access network device selects the first network element (for example, AMF) with the Internet of Things access capability.
  • AMF the first network element
  • the access network device sends the third Internet of Things device access capability information of the terminal device to the first network element.
  • the terminal device obtains the access request information of the Internet of Things device.
  • S627 The terminal device sends the access request information of the Internet of Things device to the access network device.
  • the access network device selects the first network element that supports the access capability of the Internet of Things device for the terminal device, thereby selecting the appropriate first network element as the terminal device for the terminal device that supports the access capability of the Internet of Things.
  • Service can further ensure that subsequent IoT devices access the first network element or mobile network through the terminal device.
  • the same first network element can serve both terminal devices and IoT devices without changing the first network element or mobile network.
  • the execution subject of the network element selection method and capability indication method provided by the embodiments of this application may be a virtual device.
  • a virtual device is used as an example to perform the network element selection method and the capability indication method to illustrate the network element selection device and the capability indication device provided by the embodiment of the present application. A detailed description is provided below through examples.
  • Figure 7a shows a schematic structural diagram of a network element selection device provided by an embodiment of the present application.
  • the device 700 mainly includes: a first acquisition module 701, used to acquire the first Internet of Things device access capability information of the first network element, wherein the first Internet of Things device access capability information indicates The first network element has the ability to support access to Internet of Things devices; the first selection module 702 is used to select the first network element to provide services for Internet of Things devices.
  • the first acquisition module 701 acquires the first IoT device access capability information of the first network element, including at least one of the following: 1) receiving the first IoT device access capability information from the first network element. Device access capability information; 2) Obtain the first IoT device access capability information of the first network element according to the operator configuration information; 3) Obtain the first IoT device access capability information of the first network element through network management system configuration Device access capability information.
  • the first selection module 702 selects the first network element to provide services for the Internet of Things device, including: obtaining the access request information of the Internet of Things device; Sent to the first network element.
  • the device 700 may also include a first Sending module 703: configured to send the second Internet of Things device access capability information of the access network device to the first network element, where the second Internet of Things device access capability information indicates that the access network The device has the ability to support the access of IoT devices.
  • a first Sending module 703 configured to send the second Internet of Things device access capability information of the access network device to the first network element, where the second Internet of Things device access capability information indicates that the access network The device has the ability to support the access of IoT devices.
  • the second Internet of Things device access capability information indicates at least one of the following: 1) the access network device is a reader/writer of the Internet of Things device; 2) the access network device Support Internet of Things equipment to access the mobile core network through the access network equipment; 3) The access network equipment supports sending excitation signals to Internet of Things equipment; 4) The access network equipment supports receiving reflections from Internet of Things equipment signal; 5) the access network device supports serving as the sending end of the Internet of Things device; 6) the access network device serves as the receiving end of the Internet of Things device.
  • the first selection module 702 selects the first network element to provide services for Internet of Things devices, including: obtaining third Internet of Things device access capability information of the terminal device, wherein the third Three Internet of Things device access capability information indicates that the terminal device has the ability to support Internet of Things device access; and the first network element is selected to provide services for the terminal device.
  • the apparatus 700 may further include a second sending module 704: configured to send the third Internet of Things device access capability information to the first network element.
  • the apparatus 700 may also include a first receiving module 705 for receiving an access request message from an Internet of Things device of the terminal device, wherein the access request message The incoming request message is used to request that the Internet of Things device access the mobile network; the first sending module 703 is also used to forward the access request message of the Internet of Things device to the first network element.
  • a first receiving module 705 for receiving an access request message from an Internet of Things device of the terminal device, wherein the access request message The incoming request message is used to request that the Internet of Things device access the mobile network; the first sending module 703 is also used to forward the access request message of the Internet of Things device to the first network element.
  • the first acquisition module 701 acquires whether the first network element supports the Internet of Things device access capability through the access network device, and accordingly selects the first network element that supports the Internet of Things device access capability through the first selection module 702.
  • One network element serves the IoT device, allowing the IoT device to successfully access the mobile network.
  • Figure 8a shows a schematic structural diagram of a capability indication device provided by an embodiment of the present application.
  • the device 800 mainly includes: a second acquisition module 801. Used to obtain the first Internet of Things device access capability information of the first network element, wherein the first Internet of Things device access capability information indicates that the first network element has the ability to support Internet of Things device access. Capability; the third sending module 802 is configured to send the first Internet of Things device access capability information of the first network element to the access network device, wherein the first Internet of Things device access capability information indicates the third One network element has the ability to support the access of IoT devices.
  • the apparatus 800 may also include a second receiving module 803 for receiving second Internet of Things device access capability information from the access network device, where , the second Internet of Things device access capability information indicates that the access network device has the ability to support Internet of Things device access.
  • the second Internet of Things device access capability information indicates at least one of the following: 1) the access network device is a reader/writer of the Internet of Things device; 2) the access network device supports The Internet of Things device accesses the mobile core network through the access network device; 3) the access network device supports sending excitation signals to the Internet of Things device; 4) the access network device supports receiving reflected signals from the Internet of Things device ; 5) The access network device supports serving as the sending end of the Internet of Things device; 6) The access network device serves as the receiving end of the Internet of Things device.
  • the apparatus 800 may further include a third receiving module 804 for access request information from an Internet of Things device of the access network device.
  • the device 800 may also include a fourth receiving module 805 for receiving the third Internet of Things device access capability from the terminal device of the access network device.
  • Information wherein the third Internet of Things device access capability information indicates that the terminal device has the ability to support Internet of Things device access.
  • the fourth receiving module 805 is also configured to receive an access request message from an Internet of Things device of the access network device, where the access request message is used to request that the The Internet of Things device accessed through the terminal device accesses the mobile network.
  • the third sending module 802 is used to send the first network device to the access network device.
  • the first Internet of Things device access capability information of the element wherein the first Internet of Things device access capability information indicates that the first network element has the ability to support Internet of Things device access, thereby enabling subsequent access network devices to obtain Whether the first network element supports the Internet of Things device access capability, and accordingly selects the first network element that supports the Internet of Things device access capability to serve the Internet of Things device, so that the Internet of Things device can smoothly access the mobile network.
  • the network element selection device and the capability indication device in the embodiment of the present application may be electronic equipment, such as an electronic equipment with an operating system, or may be components in electronic equipment, such as integrated circuits or chips.
  • the network element selection device provided by the embodiment of the present application can implement the corresponding processes of the method embodiments in Figures 2, 5, 6a and 6b, and the capability indication device can implement the method implementations in Figures 3, 5, 6a and 6b.
  • the corresponding process is implemented in the example and achieves the same technical effect. To avoid repetition, it will not be described again here.
  • this embodiment of the present application also provides a communication device 900, which includes a processor 901 and a memory 902.
  • the memory 902 stores programs or instructions that can be run on the processor 901.
  • the communication device 900 is a network-side device
  • the program or instruction is executed by the processor 901
  • each step of the above-mentioned network element selection method or capability indication method embodiment is implemented, and the same technical effect can be achieved.
  • I won’t go into details here.
  • Embodiments of the present application also provide a network side device, including a processor and a communication interface.
  • the processor is used to implement each step of the above network element selection method or capability indication method embodiment, and the communication interface is used to communicate with external devices.
  • This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the network side device 1000 includes: an antenna 1001, a radio frequency device 1002, a baseband device 1003, a processor 1004 and a memory 1005.
  • Antenna 1001 is connected to radio frequency device 1002.
  • the radio frequency device 1002 receives information through the antenna 1001 and sends the received information to the baseband device 1003 for processing.
  • the baseband device 1003 The sent information is processed and sent to the radio frequency device 1002.
  • the radio frequency device 1002 processes the received information and then sends it out through the antenna 1001.
  • the method performed by the network side device in the above embodiment can be implemented in the baseband device 1003, which includes a baseband processor.
  • the baseband device 1003 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG.
  • the program executes the access network equipment operation shown in the above embodiment of the network element selection method.
  • the network side device may also include a network interface 1006, which is, for example, a common public radio interface (CPRI).
  • a network interface 1006 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1000 in this embodiment of the present invention also includes: instructions or programs stored in the memory 1005 and executable on the processor 1004.
  • the processor 1004 calls the instructions or programs in the memory 1005 to execute Figures 7a and 7b
  • the execution methods of each module are shown and achieve the same technical effect. To avoid repetition, they will not be described in detail here.
  • the embodiment of the present application also provides another network side device.
  • the network side device 1100 includes: a processor 1101, a network interface 1102 and a memory 1103.
  • the network interface 1102 is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1100 in this embodiment of the present invention also includes: instructions or programs stored in the memory 1103 and executable on the processor 1101.
  • the processor 1101 calls the instructions or programs in the memory 1103 to execute Figures 8a and 8b
  • the execution methods of each module are shown and achieve the same technical effect. To avoid repetition, they will not be described in detail here.
  • Embodiments of the present application also provide a readable storage medium.
  • Programs or instructions are stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the above embodiments of the network element selection method or the capability indication method is implemented. , and can achieve the same technical effect, so to avoid repetition, they will not be described again here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage media includes computer-readable storage media, such as computer read-only memory ROM, random access memory Storage RAM, magnetic disk or optical disk, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above network element selection method or capability. Each process of the method embodiment is indicated and can achieve the same technical effect. To avoid repetition, it will not be described again here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the above network element selection method or
  • Each process of the capability indication method embodiment can achieve the same technical effect. To avoid repetition, it will not be described again here.
  • An embodiment of the present application also provides a network element selection system, including: an access network device and a first network element.
  • the access network device can be used to perform the network element selection method as described above.
  • the first network element It can be used to perform the steps of the capability indication method as described above.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, they can also be implemented by over hardware, but in many cases the former is the better implementation.
  • the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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Abstract

本申请公开了一种网元选择方法、能力指示方法及装置，属于无线通信领域，本申请实施例的网元选择方法包括：接入网设备获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；所述接入网设备选择所述第一网元为物联网设备提供服务。本申请实施例的能力指示方法包括：第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。

Description

网元选择方法、能力指示方法及装置
交叉引用
本发明要求在2022年05月10日提交中国专利局、申请号为202210505378.1、发明名称为“网元选择方法、能力指示方法及装置”的中国专利申请的优先权，该申请的全部内容通过引用结合在本发明中。
技术领域
本申请属于无线通信技术领域，具体涉及一种网元选择方法、能力指示方法及装置。
背景技术
第三代合作伙伴计划(The 3rd Generation Partnership Project，3GPP)第五代(5th Generation，5G)系统包括终端、接入网和核心网。5G核心网对终端设备的移动性管理可以分为注册管理和连接管理。终端设备需要先注册到核心网，才可以进一步接受网络的服务。终端设备与接入网设备之间建立无线资源控制(Radio Resource Control，RRC)连接，终端设备与移动性管理网元之间建立非接入层协议(Non-Access Stratum，NAS)连接。
物联网设备一般指用于某些特定的场景或特定的服务的终端设备。物联网设备可针对所需执行的服务和应用程序的特定需求进行设计，例如，智能家居、智能城市、智能公用设施、电子健康和智能可穿戴设备。有些物联网设备不用于人类通信，例如，电子抄表设备。
很多物联网设备只用于特定的场景或特定的服务，由物联网设备厂商批量制造。由于成本和体积等限制，物联网设备可能不支持终端那样完整的协议栈，也可能不支持现有终端的所有功能，或者，支持特定的物联网功能，而网络中可能只有部分网元(例如部分移动性管理网元)支持为这些物联网设备服务，如果随意选择网元为物联网设备服务，可能存在物联网设备不能 够获得正常的服务的问题。
发明内容
本申请实施例提供一种网元选择方法、能力指示方法及装置，通过为物联网设备选择合适的网元，解决物联网设备不能够获得正常的服务的问题。
第一方面，提供了一种网元选择方法，包括：接入网设备获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；所述接入网设备选择所述第一网元为物联网设备提供服务。
第二方面，提供了一种网元选择装置，应用于接入网设备，所述装置包括：第一获取模块，用于获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；第一选择模块，用于选择所述第一网元为物联网设备提供服务。
第三方面，提供了一种能力指示方法，包括：第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。
第四方面，提供了一种能力指示装置，应用于网络侧设备，所述装置包括：第二获取模块，用于获取所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；第三发送模块，用于向接入网设备发送所述第一网元的第一物联网设备接入能力信息。
第五方面，提供了一种网络侧设备，该网络侧设备包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面或第三方面所述的方法的步骤。
第六方面，提供了一种网络侧设备，包括处理器及通信接口，其中，所述处理器用于实现如第一方面或第三方面所述的方法的步骤，所述通信接口 用于与外部设备进行通信。
第七方面，提供了一种网元选择系统，包括：终端及网络侧设备，所述网络侧设备可用于执行如第一方面或第三方面所述的方法的步骤。
第八方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的方法的步骤，或者实现如第三方面所述的方法的步骤。
第九方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现如第一方面所述的方法的步骤，或实现如第三方面所述的方法的步骤。
第十方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤，或实现如第三方面所述的方法的步骤。
在本申请实施例中，通过接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络。
附图说明
图1示出本申请实施例可应用的一种无线通信系统的框图；
图2示出本申请实施例提供的一种网元选择方法的流程示意图；
图3示出本申请实施例提供的一种能力指示方法的流程示意图；
图4a示出本申请实施例中的一种网络架构的示意图；
图4b示出申请实施例中的另一种网络架构示意图；
图4c示出了本申请实施例中物联网设备接入移动网络的两种方式的示意图；
图5示出本申请实施例提供的一种物联网设备接入方法的流程示意图；
图6a示出本申请实施例提供的另一种物联网设备接入方法的流程示意图；
图6b示出本申请实施例提供的又一种物联网设备接入方法的流程示意图；
图7a示出本申请实施例提供的一种网元选择装置的结构示意图；
图7b示出本申请实施例提供的另一种网元选择装置的结构示意图；
图8a示出本申请实施例提供的一种能力指示装置的结构示意图；
图8b示出本申请实施例提供的另一种能力指示装置的结构示意图；
图9示出本申请实施例提供的一种通信设备的结构示意图；
图10示出本申请实施例提供的一种网络侧设备的硬件结构示意图；
图11示出本申请实施例提供的另一种网络侧设备的硬件结构示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency  Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，但是这些技术也可应用于NR系统应用以外的应用，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、增强现实(augmented reality，AR)/虚拟现实(virtual reality，VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(VehicleUser Equipment，VUE)、行人终端(Pedestrian User Equipment，PUE)、智能家居(具有无线通信功能的家居设备，如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer，PC)、柜员机或者自助机等终端侧设备，可穿戴式设备包括：智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链等)、智能腕带、智能服装等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以包括接入网设备和/或核心网设备，其中，接入网设备12也可以称为无线接入网设备、无线接入网(Radio Access Network,RAN)、无线接入网功能或无线接入网单元。接入网设备12可以包括基站、无线局域网(Wireless Local Area Network，WLAN)接入点或无线保真(Wireless Fidelity，WiFi)节点等，基站可被称为节点B、演进节点B(eNB)、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service  Set，ESS)、家用B节点、家用演进型B节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例进行介绍，并不限定基站的具体类型。核心网设备可以包含但不限于如下至少一项：核心网节点、核心网功能、移动管理实体(Mobility Management Entity，MME)、接入移动管理功能(Access and Mobility Management Function，AMF)、会话管理功能(Session Management Function，SMF)、用户平面功能(User Plane Function，UPF)、策略控制功能(Policy Control Function，PCF)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)、边缘应用服务发现功能(Edge Application Server Discovery Function，EASDF)、统一数据管理(Unified Data Management，UDM)，统一数据仓储(Unified Data Repository，UDR)、归属用户服务器(Home Subscriber Server，HSS)、集中式网络配置(Centralized network configuration，CNC)、网络存储功能(Network Repository Function，NRF)，网络开放功能(Network Exposure Function，NEF)、本地NEF(Local NEF，或L-NEF)、绑定支持功能(Binding Support Function，BSF)、应用功能(Application Function，AF)等。需要说明的是，在本申请实施例中仅以NR系统中的核心网设备为例进行介绍，并不限定核心网设备的具体类型。值得说明的是，上述核心网设备的功能可以由多个设备共同实现，也可以多个核心网设备的功能由一个设备实现，本申请实施例对此不做限定。在本申请实施例中，如果多个核心网设备的功能由一个设备实现，则本申请实施例中该多个核心网设备之间的交互为该设备内部操作。
图4a和图4b分别示出了申请实施例提供的技术方案适用的两种网络架构。如图4a和图4b所示，物联网设备通过盘点设备接入移动网络。其中，盘点设备可以为用户设备(User Equipment，UE)或无线接入网(Radio Access Network，RAN)。
在图4a中，物联网设备的移动范围在特定盘点设备范围内，例如，盘点 设备可以为安装在某个厂房内或者在某个厂房内移动的物联网设备。在图4b中物联网设备的移动范围大于某个特定盘点设备的范围，例如，盘点设备可以为物流车上安装的物联网设备。在本申请实施例中，盘点设备指与物联网设备直接联系的设备，有时也称读写器，发送端，或接收端。
图4c示出了本申请实施例中物联网设备接入移动网络的两种方式的示意图，如图4c所示，物联网设备可以通过以下两种方式接入到移动网络。
第一种方式：物联网设备通过接入网设备(例如，作为读写器)接入移动核心网，接入网设备向物联网设备发送激励信号，并接收物联网设备对该激励信号的反射信号。接入网设备可以分为发送端和接收端；发送端发射激励信号或者下行控制信令，接收端接收反射信号或者上行数据。物联网设备可以为环境物联网(Ambient The Internet of Things，AmbientIoT)设备，或无源物联网(PassiveThe Internet of Things，PassiveIoT)设备。AmbientIoT设备或PassiveIoT设备需要从环境中吸收能量，以收到激励信号后，发送反射信号的方式与读写器联系。接入网设备作为物联网设备的读写器，物联网设备通过读写器接入移动网络。
第二种方式：物联网设备通过终端设备与接入网设备通信，从而接入到移动核心网。例如，终端设备可以作为物联网设备的读写器，向物联网设备发送激励信号，并接收物联网设备对该激励信号的反射信号。终端设备可以分为发送端和接收端；发送端发射激励信号，接收端接收反射信号。物联网设备可以为AmbientIoT设备，或PassiveIoT设备。AmbientIoT设备或PassiveIoT设备需要从环境中吸收能量，以收到激励信号后，发送反射信号的方式与读写器联系。终端设备作为物联网设备的读写器，物联网设备通过终端设备与接入网设备通信，从而接入移动网络。
可选的，在上述两种方式中，接入网设备和终端设备除了以读写器的方式与物联网设备通信之外，还可以通过其他方式进行通信，例如WiFi、蓝牙、有线连接等。所述物联网设备可以是AmbientIoT设备，或PassiveIoT设备，也可以为其他设备，如非3GPP设备等。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的一种网元选择方法进行详细地说明。
图2示出本申请实施例提供的一种网元选择方法流程示意图，该方法200可以由通信设备执行。换言之，所述方法可以由安装在通信设备上的软件或硬件来执行。如图2所示，该方法可以包括以下步骤。
S210，接入网设备获取第一网元的第一物联网设备接入能力信息。
在本申请实施例中，所述接入网设备获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。
在本申请实施例中，接入网设备可以是无线接入网(Radio Access Net，RAN)设备，物联网设备可以通过接入网设备接入到网络。例如，接入网设备可以为物联网设备的读写器，物联网设备通过读写器接入移动核心网。读写器向物联网设备发送激励信号，并接收物联网设备对该激励信号的反射信号。读写器可以为发送端，发射激励信号，或者，读写器也可以为接收端，接收反射信号，或者，读写器也可以作为向物联网设备发送盘点信令或者下行信令的发送端，或者，读写器也可以作为接收来自物联网设备的上行信令的接收端，在前述任一情况下，接入网设备可以称为读写器接入网设备。或者，接入网设备也可以为基站等，终端作为物联网设备的读写器，物联网设备通过终端接入基站。
在本申请实施例中，第一网元可以为移动核心网中的网元，例如，移动性管理网元，例如，MME或AMF等。
在本申请实施例中，示例性的，所述第一网元具有支持物联网设备接入的能力可以表现在所述第一网元可以支持为物联网设备注册到第一网元(移动网络)，或者第一网元支持物联网设备建立会话通道等。
在本申请实施例中，所述接入网设备获取第一网元的第一物联网设备接入能力信息，包括以下至少之一：1)所述接入网设备接收来自所述第一网元的第一物联网设备接入能力信息；2)所述接入网设备根据运营商配置信息获 取所述第一网元的第一物联网设备接入能力信息；3)所述接入网设备通过网管系统配置，获取所述第一网元的第一物联网设备接入能力信息。
在一种可能的实现方式中，所述接入网设备接收来自所述第一网元的第一物联网设备接入能力信息可以是所述接入网设备接收来自于第一网元直接发送的第一物联网设备接入能力信息或者是第一网元发送的其他信息，且该其他信息中包含第一物联网设备接入能力信息。例如，第一网元可以通过应用层信令协议(NG Application Protocol，NGAP)消息向接入网设备发送第一物联网设备接入能力信息，或者第一网元向接入网设备发送NG建立响应消息，其中响应信息包括第一网元的第一物联网设备接入能力信息，所述接入网设备接收来自所述第一网元的第一物联网设备接入能力信息。
S212，所述接入网设备选择所述第一网元为物联网设备提供服务。
在本申请实施例中，所述接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为物联网设备提供服务。
在本申请实施例中，所述第一网元为物联网设备提供服务可能包括：第一网元接入物联网设备的接入请求、第一网元为物联网设备提供移动网络服务等。
在本申请实施例的一个可能的实现方式中，所述接入网设备选择所述第一网元为物联网设备提供服务，包括：所述接入网设备获取物联网设备的接入请求信息；所述接入网设备将所述物联网设备的接入请求信息发送至所述第一网元。例如，当物联网设备需要网络服务，其发出接入网络的请求信息，此时，所述接入网设备接收到上述物联网设备的接入网络的请求信息，由于所述接入网设备已经获取到第一网元是否支持物联网设备接入能力，则所述接入网设备结合第一物联网设备接入能力信息和物联网设备的请求信息，选择能够支持上述物联网设备接入的第一网元为上述物联网设备提供服务，使得上述物联网设备能够顺利接入第一网元或者移动网络。例如，接入网设备可以作为物联网设备的读写器，或者发送端，或者接收端，或者，物联网设 备可以通过接入网设备接入移动核心网，接入网设备可以获取物联网设备的接入请求信息，并将物联网设备的接入请求信息发送至第一网元，即发送至具有支持物联网设备接入的能力的网元。
作为接入网设备获取物联网设备的接入请求信息的另一个示例，接入网设备接收来自接入网设备A的物联网设备的接入请求信息。例如，物联网设备从接入网设备A移动到所述接入网设备，则接入网设备A可以向所述接入网设备发送物联网设备切换请求消息，该物联网设备切换请求消息指示该物联网设备将要接入所述接入网设备。
作为接入网设备获取物联网设备的接入请求信息的再一个示例，接入网设备接收来自移动性管理网元的物联网设备的接入请求信息。例如，物联网设备从接入网设备A移动到所述接入网设备，则接入网设备A向移动性管理网元发送需要切换消息，说明该物联网设备将要切换到所述接入网设备，移动性管理网元向所述接入网设备发送物联网设备切换请求消息，该物联网设备切换请求消息指示该物联网设备将要接入所述接入网设备。值得说明的是，在该种示例中，移动性管理网元是物联网设备移动之前服务于物联网设备的网元，因此已经具有物联网设备接入能力，所述接入网设备使用该移动性管理网元为物联网设备服务，可能不需要额外的选择步骤。
作为接入网设备获取物联网设备的接入请求信息的再一个示例，接入网设备接收来自移动性管理网元B的物联网设备的接入请求信息。例如，物联网设备将要从接入网设备A移动到所述接入网设备，则接入网设备A向移动性管理网元A发送需要切换消息，说明该物联网设备将要切换到所述接入网设备，移动性管理网元A向移动性管理网元B发送物联网设备的上下文，移动性管理网元B向所述接入网设备发送物联网设备切换请求消息，该物联网设备切换请求消息指示该物联网设备将要接入所述接入网设备。值得说明的是，在该种示例中，接入网设备可能会重新选择移动性管理网元为物联网设备服务。例如，移动性管理网元B并不支持物联网设备的接入能力，则所述接入网设备可能重新选择移动性管理网元C为物联网设备服务。
作为接入网设备获取物联网设备的接入请求信息的再一个示例，接入网设备确定有物联网接入能力的终端设备将要切换到接入网设备A。例如，终端设备将要从接入网设备A移动到所述接入网设备，则接入网设备A向移动性管理网元A发送需要切换消息，说明该终端设备将要切换到所述接入网设备。可选的，切换消息中可以携带物联网接入能力，用于指示该终端设备具有物联网接入能力。如果需要选择新的移动性管理网元，移动性管理网元A选择具有物联网接入能力的移动性管理网元B，向移动性管理网元B发送终端设备的上下文，其中包括终端设备的物联网接入能力。移动性管理网元B向所述接入网设备发送终端设备切换请求消息，该终端设备切换请求消息指示该物联网设备将要接入所述接入网设备。
在本申请实施例的一种可能的实现方式中，所述物联网设备可以是环境物联网(Ambient The Internet of Things，AmbientIoT)设备或无源物联网(PassiveThe Internet of Things，PassiveIoT)设备。
在一个可能的实现方式中，所述接入网设备选择所述第一网元为物联网设备提供服务，包括可以：所述接入网设备获取所述物联网设备的接入请求信息；所述接入网设备选择所述第一网元为所述物联网设备提供服务，将所述物联网设备的接入请求信息发送至所述第一网元。在该可能的实现方式中，接入网设备选择第一网元为物联网设备提供服务的时机是在获取到物联网设备的接入请求信息后。
例如，接入网设备可以作为物联网设备的读写器，读取物联网设备的接入请求信息，或者，接入网设备也可以通过其它通信方式，例如，蓝牙、WiFi或有线连接等方式获取物联网设备的接入请求信息。
在本申请实施例的一个可能的实现方式中，该方法还可以包括：所述接入网设备向所述第一网元发送所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。通过该可能实现方式，可以使得第一网元获知接入网设备的第二物联网设备接入能力，确定接入网设备可能会接入物联网设备， 从而可以触发第一网元向接入网设备发送第一物联网设备接入能力信息。
在本申请实施例的一种可能的实现方式中，所述第二物联网设备接入能力信息指示以下至少一项：1)所述接入网设备为物联网设备的读写器；2)所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；3)所述接入网设备支持向物联网设备发送激励信号；4)所述接入网设备支持接收来自物联网设备的反射信号；5)所述接入网设备支持作为物联网设备的发送端；6)所述接入网设备作为物联网设备的接收端。
在本申请实施例中，所述接入网设备可以直接将第二物联网设备接入能力信息发送给第一网元，也可以发送其他信息给第一网元，且该其他信息包含第二物联网设备接入能力信息。示例性的，所述接入网设备可以通过NGAP消息向所述第一网元发送其第二物联网设备接入能力信息，或者所述接入网设备向第一网元发送NG建立请求消息，上述NG建立请求消息包括所述接入网设备的第二物联网设备接入能力信息。当然，还可以通过其他消息实现接入网设备将第二物联网设备接入信息发送给第一网元，例如，接入网设备配置更新消息等，本申请实施例不做限制。
在本申请实施例的一个可能的实现方式中，所述接入网设备选择所述第一网元为物联网设备提供服务之前，该方法还可以包括：所述接入网设备获取终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力；所述接入网设备选择所述第一网元为所述终端设备提供服务。在该可能的实现方式中，物联网设备可以通过终端设备接入移动网络，终端设备可以作为物联网设备的读写器，向物联网设备发送激励信号，并接收物联网设备对该激励信号的反射信号，作为物联网设备的终端设备可以将其第三物联网设备接入能力信息发送给接入网设备，从而使得接入网设备获知可能有物联网设备通过该终端设备接入到移动网络，为了使得核心网网元可以正常的为物联网设备提供服务，接入网设备为该终端设备选择支持物联网设备接入的第一网元。
在上述可能的实现方式中，在接入网设备选择第一网元为终端设备提供 服务之后，第一网元可以为通过所述终端设备接入的物联网设备提供服务。例如，终端设备可以作为物联网设备的读写器，将物联网设备接入到移动网络，又或者，物联网设备可以通过Wifi、蓝牙或有线连接等方式直接与终端设备通信，通过终端设备接入移动网络。
在一个可能的实现方式中，终端设备可以向接入网设备发送注册请求、初始接入请求或会话建立请求，传递上行NAS消息的RRC消息中的一种RRC消息，其中该RRC消息中包括物联网设备接入能力指示信息。其中对于终端设备具体使用哪种RRC消息传递物联网设备接入能力指示信息本申请实施例中并不作限制。
在本申请实施例中，在接入网设备选择第一网元为终端设备提供服务，则终端设备可以与第一网元的消息交互，例如建立连接，以为所述终端设备提供网络服务。
在本申请实施例中，所述接入网设备选择所述第一网元为物联网设备提供服务可以是接入网设备获取物联网设备的接入请求信息，所述接入网设备将所述物联网设备的接入请求信息发送至所述第一网元，进而选择能够支持物联网设备接入的第一网元提供服务，也可以是所述接入网设备为所述终端设备选择支持物联网设备接入能力的第一网元，从而为支持物联网接入能力的终端设备选择了合适的第一网元为所述终端设备服务，进一步可以保证后续物联网设备通过该终端设备接入第一网元或者移动网络，同一个第一网元可以服务终端设备和物联网设备，无需更换第一网元。
在本申请实施例的一个可能的实现方式中，在所述接入网设备获取终端设备的第三物联网设备接入能力信息之后，所述方法还可以包括：所述接入网设备向所述第一网元发送所述第三物联网设备接入能力信息，本申请实施例中此步骤为可选步骤。在一个可能的实现方式中，所述第三物联网设备接入能力信息指示可以包括以下至少一项：1)所述终端设备为物联网设备的读写器；2)所述终端设备支持物联网设备通过所述终端设备接入移动核心网；3)所述终端设备支持作为物联网设备的发送端；4)所述终端设备作为物联 网设备的接收端；5)所述终端设备支持所述物联网设备在线签约功能；6)所述终端设备支持为物联网设备建立会话通道。
在一个可能的实现方式中，所述接入网设备可以直接将第三物联网设备接入能力信息发送给第一网元，也可以通过间接的方式将第三物联网设备接入能力信息发送给第一网元。例如，所述接入网设备向所述第一网元发送NGAP消息，或初始终端设备消息，或上行NAS传递消息，这些消息中包含了终端设备的第三物联网设备接入能力信息，进而实现接入网设备将第三物联网设备接入信息发送给第一网元。当然，本申请实施例对具体使用哪种NGAP消息传递第三物联网设备接入能力信息并不作限制，接入网设备间接将第三物联网设备接入能力信息发送给第一网元也不限于上述所列举的方式。
在本申请实施例中，在所述接入网设备选择所述第一网元为所述终端设备提供服务之后，所述方法还可以包括：所述接入网设备接收来自所述终端设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将所述物联网设备接入移动网络；所述接入网设备向所述第一网元转发所述物联网设备的接入请求消息。
例如，终端设备获取来自物联网设备的接入请求消息，该接入请求消息用于请求将该物联网设备接入移动网络，例如，UE可以为读写器，接收到物联网设备的接入请求信息，然后终端设备向接入网设备发送物联网设备的接入请求消息，该请求消息可以为物联网设备注册请求消息，该接入请求消息与终端设备获取到的来自物联网设备的接入请求消息可以相同也可以不同。
需要说明的是，本申请实施例中以接入网设备和终端设备作为物联网设备的读写器为例进行说明，但并不限于此，本申请实施例提供的技术方案还可以用于终端设备或接入网设备以其它方式与物联网设备进行通信的场景，例如WiFi、蓝牙、有线连接等。所述物联网设备可以是AmbientIoT设备，或PassiveIoT设备，也可以为其他设备，如非3GPP设备等。所述第一网元可以是移动性管理网元，也可以是其它支持物联网设备接入的网元或者可以服务于物联网设备的其他网元。
在本申请实施例中，通过接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络。
图3示出本申请实施例提供的一种能力指示方法流程示意图，该方法300可以由第一网元执行。换言之，所述方法可以由安装在第一网元上的软件或硬件来执行，该第一网元与上述方法200中的第一网元相同，具体可以参见方法200中的描述。如图3所示，该方法可以包括以下步骤。
S310，第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息。
在本申请实施例中，所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。
在本申请实施例中，所述第一网元具有支持物联网设备接入的能力可以表现在所述第一网元可以支持为物联网设备注册到第一网元(移动网络)，或者第一网元支持为物联网设备建立会话通道等。
在本申请实施例中，所述第一网元可以直接将第一物联网设备接入能力信息发送给接入网设备，也可以发送其他信息给所述接入网设备，且该其他信息包括第一物联网设备接入能力信息。示例性的，第一网元可以通过NGAP消息向所述接入网设备发送第一网元的第一物联网设备接入能力信息或第一网元向接入网设备发送NG建立响应消息，这些信息中包括第一网元的第一物联网设备接入能力信息，因此，第一网元通过上述间接的方式将第一物联网设备接入能力信息发送给接入网设备。值得说明的是，也可以通过其他消息实现第一网元将第一物联网设备信息发送给接入网设备，本申请实施例不做限制。
在本申请实施例中，该方法还可以包括：所述第一网元接收来自所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
在本申请实施例中，所述第二物联网设备接入能力信息指示以下至少一项：1)所述接入网设备为物联网设备的读写器；2)所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；3)所述接入网设备支持向物联网设备发送激励信号；4)所述接入网设备支持接收来自物联网设备的反射信号；5)所述接入网设备支持作为物联网设备的发送端；6)所述接入网设备作为物联网设备的接收端。
在本申请实施例中，所述方法还可以包括：所述第一网元接收来自所述接入网设备的物联网设备的接入请求信息。在所述第一网元支持相应物联网设备接入的情况下，所述第一网元接收来自所述接入网设备的物联网设备的接入请求信息，根据上述请求信息，将所述物联网设备接入到第一网元(移动网络)。
在本申请实施例中，在所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息之前，所述方法还可以包括：所述第一网元接收来自所述接入网设备的终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力。在一个可能的实现方式中，所述第三物联网设备接入能力信息指示以下至少一项：1)所述终端设备为物联网设备的读写器；2)所述终端设备支持物联网设备通过所述终端设备接入移动核心网；3)所述终端设备支持作为物联网设备的发送端；4)所述终端设备作为物联网设备的接收端；5)所述终端设备支持所述物联网设备在线签约功能；6)所述终端设备支持为物联网设备建立会话通道。
在一个可能的实现方式中，接入网设备可以直接将第三物联网设备接入能力信息发送给第一网元，也可以通过间接的方式将第三物联网设备接入能力信息发送给第一网元。例如，接入网设备向第一网元发送NGAP消息，或初始终端设备消息，或者上行NAS传递消息，这些消息中包含了终端设备的第三物联网设备接入能力信息。当然，本申请实施例对具体使用哪种NGAP消息传递第三物联网设备接入能力信息并不作限制，接入网设备间接将第三 物联网设备接入能力信息发送给第一网元也不限于上述所列举的方式。
在本申请实施例中，在所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息之后，所述方法还可以包括：所述第一网元接收来自所述接入网设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将所述物联网设备接入移动网络。在所述第一网元支持相应物联网设备接入的情况下，所述第一网元接收来自所述接入网设备的物联网设备的接入请求信息，根据上述请求信息，将所述物联网设备接入到第一网元(移动网络)。
在本申请实施例中，所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力，进而使得后续接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的一种能力指示方法进行详细地说明。
在下面的实施例中，以第一网元为AMF为例，针对物联网设备的两种接入方式，对本申请实施例提供的技术方案进行说明。当然，并不限于此，第一网元也可以为除AMF以外的其它核心网网元，具体本申请实施例中不作限定。
图5示出本申请实施例提供的一种物联网接入方法的流程示意图，该方法500可以由接入网设备和第一网元执行。换言之，所述方法可以由安装在接入网设备和第一网元上的软件或硬件来执行。如图5所示，该方法可以包括以下步骤。
S501，接入网设备(例如RAN)将第二物联网设备接入能力信息发送给第一网元(例如AMF)。所述第二物联网设备接入能力信息指示接入网设备支持物联网设备接入的能力信息。
例如，所述第二物联网设备接入能力信息指示以下至少一项：1)所述接入网设备为物联网设备的读写器；2)所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；3)所述接入网设备支持向物联网设备发送激励信号；4)所述接入网设备支持接收来自物联网设备的反射信号；5)所述接入网设备支持作为物联网设备的发送端；6)所述接入网设备作为物联网设备的接收端。
可选的，接入网设备可以通过NGAP消息向第一网元发送接入网设备的第二物联网设备接入能力信息。示例性的，接入网设备向第一网元发送NG建立请求消息，此请求消息中包括接入网设备的第二物联网设备接入能力信息，实现接入网设备将第二物联网设备接入能力信息发送给第一网元。值得说明的是，也可以通过其他消息实现将第二物联网设备接入能力信息发送给第一网元，如接入网设备配置更新消息等，本申请实施例不做限制。
其中，S501为可选步骤。
S502，第一网元将第一物联网设备接入能力信息发送给接入网设备。
所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力，例如，第一网元可以支持为物联网设备注册到移动网络，或者第一网元支持为物联网设备建立会话通道等。
可选的，接入网设备接收第一网元的第一物联网设备接入能力信息后，所述接入网设备存储该第一网元的第一物联网设备接入能力信息。
值得说明的是，RAN也可以通过配置，例如运营商本地配置，或者网管系统配置获得AMF的物联网设备接入能力信息。此时S502可以不执行。
S503，接入网设备获取物联网设备的接入请求信息。
接入网设备获取到物联网设备的接入请求信息，该接入请求信息用于请求将该物联网设备接入第一网元或移动网络。
其中，在S503中，示例性的，接入网设备可以接收来自物联网设备的或者来自UE的物联网设备接入请求，该接入请求用于请求将该物联网设备接入移动网络。
例如，RAN可以为读写器，接收到物联网设备接入请求。或者，UE为读写器，接收到物联网设备接入请求，并将该接入请求发送到RAN。
S504，接入网设备选择具有物联网设备接入能力的第一网元。
S505，接入网设备将物联网设备接入请求信息发送给支持物联网设备接入的第一网元。
通过上述S503至S505，接入网设备可以根据第一网元的第一物联网设备接入能力信息，配置信息等确定支持物联网设备接入能力的第一网元(例如AMF)。当物联网设备需要网络服务，其发出接入网络的请求信息，此时，接入网设备接收到上述物联网设备的接入网络的请求信息，由于接入网设备已经获取到第一网元是否支持物联网设备接入能力，则接入网设备结合第一物联网设备接入能力信息和物联网设备的请求信息，选择能够支持上述物联网设备接入的第一网元为上述物联网设备提供服务。
S506，接入网设备获取终端的第三物联网设备接入能力信息。
在S506中，接入网设备获取该终端的第三物联网设备接入能力信息，获知该终端具有支持物联网设备接入的能力。
其中，S506至S508是与S503至S505可以是并列的技术方案，在一次流程中，接入网设备可以执行S506至S508，或者，执行S503至S505，或者，也可以均执行S503至S505和S506至S508，但S503至S505与S506至S508在时间上没有必然的先后顺序。
可选的，所述接入网设备获取终端的第三物联网设备接入能力信息可以包括以下至少之一：1)所述接入网设备接收来自终端的注册请求；2)所述接入网设备接收来自终端的初始接入请求；3)所述接入网设备接收来自终端的会话建立请求等，其中，上述的注册请求、初始接入请求或会话建立请求中指示所述第三物联网设备接入能力信息。
S507，接入网设备选择具有物联网接入能力的第一网元为该终端服务。
接入网设备可以根据存储的第一网元的第一物联网设备接入能力信息，配置信息等确定支持物联网设备接入能力的第一网元，从而为终端选择支持 物联网设备接入能力的第一网元。
S508，接入网设备将终端的第三物联网设备接入能力信息发送给第一网元。
通过S508可以使得第一网元可以获知终端支持物联网设备的接入，进而使得第一网元为终端提供相应的服务。该步骤为可选步骤。
通过S506至S508，接入网设备为支持物联网设备接入的终端选择了支持物联网设备接入能力的第一网元，从而为支持物联网接入能力的UE选择了合适的第一网元为其服务。进一步可以保证后面物联网设备通过该UE接入移动网络，同一个第一网元可以服务UE和物联网设备，无需更换第一网元。
在本申请实施例中，通过接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络，获得移动网络的正常服务。
图6a示出本申请实施例提供的另一种物联网接入方法的流程示意图，如图6a所示，该方法610可以包括以下步骤。
S611，终端设备(例如UE)向接入网设备(例如RAN)发送第三物联网设备接入能力信息。
所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力。可选的，所述第三物联网设备接入能力信息指示以下至少一项：1)所述终端设备为物联网设备的读写器；2)所述终端设备支持物联网设备通过所述终端设备接入移动核心网；3)所述终端设备支持作为物联网设备的发送端；4)所述终端设备作为物联网设备的接收端；5)所述终端设备支持所述物联网设备在线签约功能；6)所述终端设备支持为物联网设备建立会话通道。
可选的，所述接入网设备可以直接将第三物联网设备接入能力信息发送给第一网元，也可以通过间接的方式将第三物联网设备接入能力信息发送给第一网元。例如，接入网设备向第一网元发送NGAP消息，或初始终端设备 消息，或者上行NAS传递消息，这些消息中包括了终端设备的第三物联网设备接入能力信息。当然，本申请实施例对具体使用哪种NGAP消息传递第三物联网设备接入能力指示信息并不作限制，接入网设备间接将第三物联网设备接入能力信息发送给第一网元也不限于上述所列举的方式。
S612，接入网设备选择具有物联网接入能力的第一网元(例如AMF)。
接入网设备可以根据存储的第一网元的第一物联网设备接入能力信息，配置信息等确定支持物联网设备接入能力的第一网元。当物联网设备需要网络服务，其发出接入网络的请求信息，此时，接入网设备接收到上述物联网设备的接入网络的请求信息，由于接入网设备已经获取到第一网元是否支持物联网设备接入能力，则接入网设备结合第一物联网设备接入能力信息和物联网设备的请求信息，选择能够支持上述物联网设备接入的第一网元为上述物联网设备提供服务。
S613，接入网设备向第一网元发送终端设备的第三物联网设备接入能力信息。
例如，接入网设备向第一网元发送终端设备的第三物联网设备接入能力信息。示例性的，接入网设备向第一网元发送NGAP消息，或者初始终端设备消息，或者上行NAS传递消息，这些信息中包括终端设备的第三物联网设备接入能力信息，进而实现了接入网设备向第一网元发送终端设备的第三物联网设备接入能力信息。本实施例对具体使用哪种NGAP消息传递第三物联网设备接入能力指示信息并不作限制。
值得说明的是，接入网设备也可以向第一网元发送NGAP消息，但不包括终端设备的第三物联网设备接入能力指示信息。在这种情况下，接入网设备为终端设备选择了一个支持物联网设备接入能力的第一网元，所述第一网元服务于该终端设备。
S614，终端设备获取物联网设备的接入请求信息。
终端设备获取物联网设备的接入请求信息，该接入请求信息用于请求将该物联网设备接入第一网元或移动网络。
S615，终端设备向接入网设备发送物联网设备的接入请求信息。
该物联网设备接入请求消息可以为物联网设备注册请求消息。该物联网设备接入请求消息可以与S504中的物联网设备的接入请求信息相同或不同。例如，终端设备获取物联网设备的接入请求信息后，向接入网设备发送物联网设备注册请求消息。
接入网设备接收上述物联网设备的接入请求信息后，还可以将上述物联网设备接入请求信息发送至第一网元。
本申请实施例中，接入网设备为终端设备选择了支持物联网设备接入能力的第一网元，从而为支持物联网接入能力的终端设备选择了合适的第一网元为终端设备服务，进一步可以保证后续物联网设备通过该终端设备接入第一网元或者移动网络，同一个第一网元可以服务终端设备和物联网设备，无需更换第一网元或移动网络。
图6b示出本申请实施例提供的又一种物联网接入方法的流程示意图，如图6b所示，该方法620可以包括以下步骤。
S621，接入网设备(例如RAN)将第二物联网设备接入能力信息发送给第一网元(例如AMF)。
该步骤可以参考S501的描述。
S622，第一网元将第一物联网设备接入能力信息发送给接入网设备。
该步骤可以参考S502的描述。
S623，终端设备(例如UE)向接入网设备(例如RAN)发送第三物联网接入能力指示信息。
该步骤可以参考S611的描述。
S624，接入网设备选择具有物联网接入能力的第一网元(例如AMF)。
该步骤可以参考S612的描述。
S625，接入网设备向第一网元发送终端设备的第三物联网设备接入能力信息。
该步骤可以参考S613的描述。
S626，终端设备获取物联网设备的接入请求信息。
该步骤可以参考S614的描述。
S627，终端设备向接入网设备发送物联网设备的接入请求信息。
该步骤可以参考S615的描述。
本申请实施例中，接入网设备为终端设备选择了支持物联网设备接入能力的第一网元，从而为支持物联网接入能力的终端设备选择了合适的第一网元为终端设备服务，进一步可以保证后续物联网设备通过该终端设备接入第一网元或者移动网络，同一个第一网元可以服务终端设备和物联网设备，无需更换第一网元或移动网络。
本申请实施例提供的网元选择方法以及能力指示方法，执行主体可以为虚拟装置。本申请实施例中以虚拟装置执行网元选择方法以及能力指示方法为例，说明本申请实施例提供的网元选择装置以及能力指示装置。以下通过实施例进行详细的描述。
图7a示出本申请实施例提供的一种网元选择装置结构示意图，该装置可以应用于接入网设备。如图7a所示，该装置700主要包括：第一获取模块701，用于获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；第一选择模块702，用于选择所述第一网元为物联网设备提供服务。
在一个可能的实现方式中，第一获取模块701获取第一网元的第一物联网设备接入能力信息，包括以下至少之一：1)接收来自所述第一网元的第一物联网设备接入能力信息；2)根据运营商配置信息获取所述第一网元的第一物联网设备接入能力信息；3)通过网管系统配置，获取所述第一网元的第一物联网设备接入能力信息。
在一个可能的实现方式中，第一选择模块702选择所述第一网元为物联网设备提供服务，包括：获取物联网设备的接入请求信息；将所述物联网设备的接入请求信息发送至所述第一网元。
在一个可能的实现方式中，如图7b所示，所述装置700还可以包括第一 发送模块703：用于向所述第一网元发送所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
在一个可能的实现方式中，所述第二物联网设备接入能力信息指示以下至少一项：1)所述接入网设备为物联网设备的读写器；2)所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；3)所述接入网设备支持向物联网设备发送激励信号；4)所述接入网设备支持接收来自物联网设备的反射信号；5)所述接入网设备支持作为物联网设备的发送端；6)所述接入网设备作为物联网设备的接收端。
在一个可能的实现方式中，所述第一选择模块702选择所述第一网元为物联网设备提供服务，包括：获取终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力；选择所述第一网元为所述终端设备提供服务。
在一个可能的实现方式中，如图7b所示，所述装置700还可以包括第二发送模块704：用于向所述第一网元发送所述第三物联网设备接入能力信息。
在一个可能的实现方式中，如图7b所示，所述装置700还可以包括第一接收模块705，用于接收来自所述终端设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将所述物联网设备接入移动网络；所述第一发送模块703还用于向所述第一网元转发所述物联网设备的接入请求消息。
本申请实施例更详细的实施方式具体可以参见方法200中的相关描述，为避免重复，在此不再赘述。
在本申请实施例中，第一获取模块701通过接入网设备获取第一网元是否支持物联网设备接入能力，并据此通过第一选择模块702选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络。
图8a示出本申请实施例提供的一种能力指示装置的结构示意图，该装置可以应用于第一网元。如图8a所示，该装置800主要包括：第二获取模块 801，用于获取所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；第三发送模块802，用于向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。
在一种可能的实现方式中，如图8b所示，所述装置800还可以包括第二接收模块803，用于接收来自所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
在一种可能的实现方式中，第二物联网设备接入能力信息指示以下至少一项：1)所述接入网设备为物联网设备的读写器；2)所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；3)所述接入网设备支持向物联网设备发送激励信号；4)所述接入网设备支持接收来自物联网设备的反射信号；5)所述接入网设备支持作为物联网设备的发送端；6)所述接入网设备作为物联网设备的接收端。
在一种可能的实现方式中，如图8b所示，所述装置800还可以包括第三接收模块804，用于来自所述接入网设备的物联网设备的接入请求信息。
在一种可能的实现方式中，如图8b所示，所述装置800还可以包括第四接收模块805，用于接收来自所述接入网设备的终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力。
在一种可能的实现方式中，所述第四接收模块805，还用于接收来自所述接入网设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将通过所述终端设备接入的所述物联网设备接入移动网络。
本申请实施例更详细的实施方式具体可以参见方法300中的相关描述，为避免重复，在此不再赘述。
本申请实施例中，第三发送模块802用于向接入网设备发送所述第一网 元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力，进而使得后续接入网设备获取第一网元是否支持物联网设备接入能力，并据此选择支持物联网设备接入能力的第一网元为该物联网设备服务，使得物联网设备能够顺利接入移动网络。
本申请实施例中的网元选择装置和能力指示装置可以是电子设备，例如具有操作系统的电子设备，也可以是电子设备中的部件，例如集成电路或芯片。
本申请实施例提供的网元选择装置能够实现图2、图5、图6a和图6b的方法实施例的相应过程，能力指示装置能够实现图3、图5、图6a和图6b的方法实施例实现的相应过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选的，如图9所示，本申请实施例还提供一种通信设备900，包括处理器901和存储器902，存储器902上存储有可在所述处理器901上运行的程序或指令。例如，该通信设备900为网络侧设备时，该程序或指令被处理器901执行时实现上述网元选择方法或能力指示方法实施例的各个步骤，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种网络侧设备，包括处理器和通信接口，处理器用于实现上述网元选择方法或者能力指示方法实施例的各个步骤，通信接口用于与外部设备进行通信。该网络侧设备实施例与上述网络侧设备方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该网络侧设备实施例中，且能达到相同的技术效果。
具体地，本申请实施例还提供了一种网络侧设备，该网络侧设备可以为接入网设备。如图10所示，该网络侧设备1000包括：天线1001、射频装置1002、基带装置1003、处理器1004和存储器1005。天线1001与射频装置1002连接。在上行方向上，射频装置1002通过天线1001接收信息，将接收的信息发送给基带装置1003进行处理。在下行方向上，基带装置1003对要 发送的信息进行处理，并发送给射频装置1002，射频装置1002对收到的信息进行处理后经过天线1001发送出去。
以上实施例中网络侧设备执行的方法可以在基带装置1003中实现，该基带装置1003包括基带处理器。
基带装置1003例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图10所示，其中一个芯片例如为基带处理器，通过总线接口与存储器1005连接，以调用存储器1005中的程序，执行以上网元选择方法实施例中所示的接入网设备操作。
该网络侧设备还可以包括网络接口1006，该接口例如为通用公共无线接口(common public radio interface，CPRI)。
具体地，本发明实施例的网络侧设备1000还包括：存储在存储器1005上并可在处理器1004上运行的指令或程序，处理器1004调用存储器1005中的指令或程序执行图7a和图7b所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
具体地，本申请实施例还提供了另一种网络侧设备。如图11所示，该网络侧设备1100包括：处理器1101、网络接口1102和存储器1103。其中，网络接口1102例如为通用公共无线接口(common public radio interface，CPRI)。
具体地，本发明实施例的网络侧设备1100还包括：存储在存储器1103上并可在处理器1101上运行的指令或程序，处理器1101调用存储器1103中的指令或程序执行图8a和图8b所示各模块执行的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述网元选择方法或者能力指示方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器ROM、随机存取存 储器RAM、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述网元选择方法或者能力指示方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现上述网元选择方法或者能力指示方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供了一种网元选择系统，包括：接入网设备及第一网元，所述接入网设备可用于执行如上所述的网元选择方法，所述第一网元可以用于执行如上所述的能力指示方法的步骤。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通 过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (29)

  1. 一种网元选择方法，包括：
    接入网设备获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；
    所述接入网设备选择所述第一网元为物联网设备提供服务。
  2. 根据权利要求1所述的方法，其中，所述接入网设备获取第一网元的第一物联网设备接入能力信息，包括以下至少之一：
    所述接入网设备接收来自所述第一网元的第一物联网设备接入能力信息；
    所述接入网设备根据运营商配置信息获取所述第一网元的第一物联网设备接入能力信息；
    所述接入网设备通过网管系统配置，获取所述第一网元的第一物联网设备接入能力信息。
  3. 根据权利要求1或2所述的方法，其中，所述接入网设备选择所述第一网元为物联网设备提供服务，包括：
    所述接入网设备获取所述物联网设备的接入请求信息；
    所述接入网设备选择所述第一网元为所述物联网设备提供服务，将所述物联网设备的接入请求信息发送至所述第一网元。
  4. 根据权利要求3所述的方法，其中，所述方法还包括：
    所述接入网设备向所述第一网元发送所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
  5. 根据权利要求4所述的方法，其中，所述第二物联网设备接入能力信息指示以下至少一项：
    所述接入网设备为物联网设备的读写器；
    所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；
    所述接入网设备支持向物联网设备发送激励信号；
    所述接入网设备支持接收来自物联网设备的反射信号；
    所述接入网设备支持作为物联网设备的发送端；
    所述接入网设备作为物联网设备的接收端。
  6. 根据权利要求1或2所述的方法，其中，在所述接入网设备选择所述第一网元为物联网设备提供服务之前，所述方法还包括：
    所述接入网设备获取终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力；
    所述接入网设备选择所述第一网元为所述终端设备提供服务。
  7. 根据权利要求6所述的方法，其中，所述第一网元为通过所述终端设备接入的物联网设备提供服务。
  8. 根据权利要求6所述的方法，其中，在所述接入网设备获取终端设备的第三物联网设备接入能力信息之后，所述方法还包括：
    所述接入网设备向所述第一网元发送所述第三物联网设备接入能力信息。
  9. 根据权利要求6所述的方法，其中，在所述接入网设备选择所述第一网元为所述终端设备提供服务之后，所述方法还包括：
    所述接入网设备接收来自所述终端设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将所述物联网设备接入移动网络；
    所述接入网设备向所述第一网元转发所述物联网设备的接入请求消息。
  10. 根据权利要求1至9任一项所述的方法，其中，所述第一网元包括移动性管理网元。
  11. 一种能力指示方法，包括：
    第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力。
  12. 根据权利要求11所述的方法，其中，所述方法还包括：
    所述第一网元接收来自所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
  13. 根据权利要求12所述的方法，其中，所述第二物联网设备接入能力信息指示以下至少一项：
    所述接入网设备为物联网设备的读写器；
    所述接入网设备支持物联网设备通过所述接入网设备接入移动核心网；
    所述接入网设备支持向物联网设备发送激励信号；
    所述接入网设备支持接收来自物联网设备的反射信号；
    所述接入网设备支持作为物联网设备的发送端；
    所述接入网设备作为物联网设备的接收端。
  14. 根据权利要求11所述的方法，其中，所述方法还包括：
    所述第一网元接收来自所述接入网设备的物联网设备的接入请求信息。
  15. 根据权利要求11所述的方法，其中，在所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息之前，所述方法还包括：
    所述第一网元接收来自所述接入网设备的终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力。
  16. 根据权利要求15所述的方法，其中，在所述第一网元向接入网设备发送所述第一网元的第一物联网设备接入能力信息之后，所述方法还包括：
    所述第一网元接收来自所述接入网设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将通过所述终端设备接入的所述物联网设备接入移动网络。
  17. 一种网元选择装置，应用于接入网设备，所述装置包括：
    第一获取模块，用于获取第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；
    第一选择模块，用于选择所述第一网元为物联网设备提供服务。
  18. 根据权利要求17所述的装置，其中，所述第一选择模块选择所述第一网元为物联网设备提供服务，包括：
    获取物联网设备的接入请求信息；
    选择所述第一网元为所述物联网设备提供服务，将所述物联网设备的接入请求信息发送至所述第一网元。
  19. 根据权利要求18所述的装置，其中，所述装置还包括：
    第一发送模模块，用于向所述第一网元发送所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
  20. 根据权利要求18所述的装置，其中，所述第一选择模块还用于：
    获取终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力；
    选择所述第一网元为所述终端设备提供服务。
  21. 根据权利要求20所述的装置，其中，所述装置还包括：
    第二发送模块，用于向所述第一网元发送所述第三物联网设备接入能力信息。
  22. 根据权利要求20所述的装置，其中，所述装置还包括：
    第一接收模块，用于接收来自所述终端设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将所述物联网设备接入移动网络；
    所述第一发送模块，还用于向所述第一网元转发所述物联网设备的接入请求消息。
  23. 一种能力指示装置，应用于第一网元，包括：
    第二获取模块，用于获取所述第一网元的第一物联网设备接入能力信息，其中，所述第一物联网设备接入能力信息指示所述第一网元具有支持物联网设备接入的能力；
    第三发送模块，用于向接入网设备发送所述第一网元的第一物联网设备接入能力信息。
  24. 根据权利要求23所述的装置，其中，所述装置还包括：
    第二接收模块，用于接收来自所述接入网设备的第二物联网设备接入能力信息，其中，所述第二物联网设备接入能力信息指示所述接入网设备具有支持物联网设备接入的能力。
  25. 根据权利要求23所述的装置，其中，所述装置还包括：
    第三接收模块，用于接收来自所述接入网设备的物联网设备的接入请求信息。
  26. 根据权利要求23所述的装置，其中，所述装置还包括：
    第四接收模块，用于接收来自所述接入网设备的终端设备的第三物联网设备接入能力信息，其中，所述第三物联网设备接入能力信息指示所述终端设备具有支持物联网设备接入的能力。
  27. 根据权利要求26所述的装置，其中，所述第四接收模块，还用于接收来自所述接入网设备的物联网设备的接入请求消息，其中，所述接入请求消息用于请求将通过所述终端设备接入的所述物联网设备接入移动网络。
  28. 一种网络侧设备，包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至10任一项所述的网元选择方法的步骤，或者实现如权利要求11至16任一项所述的能力指示方法的步骤。
  29. 一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至10任一项所述的网元选择方法的步骤，或者实现如权利要求11至16任一项所述的能力指示方法的步骤。
PCT/CN2023/092522 2022-05-10 2023-05-06 网元选择方法、能力指示方法及装置 Ceased WO2023217037A1 (zh)

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