WO2024045196A1

WO2024045196A1 - Registration method and apparatus, and storage medium and chip

Info

Publication number: WO2024045196A1
Application number: PCT/CN2022/116898
Authority: WO
Inventors: 吴锦花
Original assignee: 北京小米移动软件有限公司
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2024-03-07
Also published as: CN115606265A

Abstract

The present disclosure relates to a registration method and apparatus, and a storage medium and a chip. The method comprises: a terminal device sending a first registration request message to a first network function by means of a first access network device, and determining, in response to having received a first registration acceptance message, which is sent by the first network function by means of the first access network device, that the terminal device has been successfully registered with a first communication network, wherein the first registration request message comprises a first parameter, the first parameter is used for representing that the terminal device registers with a plurality of communication networks, the communication networks comprise the first communication network, the first network function is a network function in the first communication network, and the first registration acceptance message is a message sent by the first network function when the first network function determines, according to the first registration request message, that both the terminal device and the first communication network have the capability of supporting the registration of the terminal device with the plurality of communication networks.

Description

Registration method, device, storage medium and chip

Technical field

The present disclosure relates to the field of communication technology, and specifically, to a registration method, device, storage medium and chip.

Background technique

With the development of wireless communication technology and terminal technology, existing wireless communication networks are becoming more and more complex, and communication networks support more and more wireless communication standards, such as supporting 3G (the 3rd Generation Mobile Communication Technology, the third generation Wireless communication networks such as mobile communication technology), 4G (the 4th Generation Mobile Communication Technology, the fourth generation mobile communication technology) or 5G (the 5th Generation Mobile Communication Technology, the fifth generation mobile communication technology) can exist simultaneously in the same area. The terminal device may also have the ability to support multiple wireless communication standards or multiple wireless communication networks.

In related technologies, although a terminal device has the ability to support multiple wireless communication networks, it cannot maintain registration status in two wireless communication networks at the same time.

Contents of the invention

In order to overcome the above problems existing in related technologies, the present disclosure provides a registration method, device, storage medium and chip.

According to a first aspect of an embodiment of the present disclosure, a registration method is provided, applied to a terminal device, and the method includes:

Send a first registration request message to the first network function through the first access network device; wherein the first registration request message includes a first parameter, and the first parameter is used to characterize the terminal device's communication with multiple The network performs registration, the communication network includes a first communication network, and the first network function is a network function in the first communication network;

In response to receiving the first registration acceptance message sent by the first network function through the first access network device, it is determined that the terminal device is successfully registered in the first communication network; wherein the first registration acceptance message is The message sent by the first network function when it is determined according to the first registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks.

According to a second aspect of an embodiment of the present disclosure, a registration method is provided, applied to the first network function, and the method includes:

In response to receiving the first registration request message sent by the terminal device through the first access network device, sending a third registration request message to the third network function; wherein the first registration request message and the third registration request message all include a first parameter, the first parameter is used to represent that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is the first communication network The network function in , the third network function is a network function that provides user data management functions;

In response to receiving the third registration acceptance message sent by the third network function, sending a first registration acceptance message to the terminal device through the first access network device.

According to a third aspect of the embodiment of the present disclosure, applied to the second network function, the method includes:

In response to receiving the second registration request message sent by the terminal device through the second access network device, sending a fourth registration request message to the third network function; wherein the second registration request message and the fourth registration request message include a second parameter, the second parameter is used to represent that the terminal device has the ability to register with multiple communication networks, the communication network includes a first communication network and a second communication network, the second network The function is a network function in the second communication network;

In response to receiving the fourth registration acceptance message sent by the third network function, a second registration acceptance message is sent to the terminal device through the second access network device.

According to a fourth aspect of an embodiment of the present disclosure, a registration method is provided, applied to a third network function, and the method includes:

In response to receiving the third registration request message sent by the first network function, determining whether the terminal device and the first communication network both have the ability to support the terminal device to register in multiple communication networks; wherein the third registration request The message includes a first parameter, the first parameter is used to represent that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is the first communication network Network functions in;

When it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, a third registration acceptance message is sent to the first network function.

According to a fifth aspect of the embodiment of the present disclosure, a registration device is provided, and the device includes:

The first sending module is configured to send a first registration request message to the first network function through the first access network device; wherein the first registration request message includes a first parameter, and the first parameter is used to characterize The terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is a network function in the first communication network;

The first determination module is configured to determine that the terminal device has successfully registered in the first communication network in response to receiving the first registration acceptance message sent by the first network function through the first access network device; wherein, The first registration acceptance message is that the first network function determines according to the first registration request message that both the terminal device and the first communication network are capable of supporting the terminal device to register in multiple communication networks. ability to send messages.

According to a sixth aspect of an embodiment of the present disclosure, a registration device is provided, applied to the first network function, and the device includes:

The second sending module is configured to send a third registration request message to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device; wherein the first registration request message and the third registration request message both include a first parameter, the first parameter is used to indicate that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network The function is a network function in the first communication network, and the third network function is a network function that provides a user data management function;

The third sending module is configured to send a first registration acceptance message to the terminal device through the first access network device in response to receiving the third registration acceptance message sent by the third network function.

According to a seventh aspect of the embodiment of the present disclosure, a registration device is provided, and the device includes:

The fourth sending module is configured to send a fourth registration request message to the third network function in response to receiving the second registration request message sent by the terminal device through the second access network device; wherein the second registration request message and the fourth registration request message both include a second parameter. The second parameter is used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network includes a first communication network and a second communication network. Communication network, the second network function is a network function in the second communication network;

The fifth sending module is configured to send a second registration acceptance message to the terminal device through the second access network device in response to receiving the fourth registration acceptance message sent by the third network function.

According to an eighth aspect of the embodiment of the present disclosure, a registration device is provided, and the device includes:

The second determination module is configured to, in response to receiving the third registration request message sent by the first network function, determine whether the terminal device and the first communication network both have the ability to support the terminal device to register in multiple communication networks; Wherein, the third registration request message includes a first parameter, and the first parameter is used to indicate that the terminal device registers with multiple communication networks. The communication network includes a first communication network, and the first network The function is a network function in the first communication network;

The sixth sending module is configured to send a third sending module to the first network function when it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. 3. Register to receive messages.

According to a ninth aspect of the embodiment of the present disclosure, a registration device is provided, including:

processor;

Memory used to store instructions executable by the processor;

Wherein, the processor is configured to execute the steps of the registration method provided in the first aspect of this disclosure.

According to a tenth aspect of the embodiment of the present disclosure, a registration device is provided, including:

processor;

Memory used to store instructions executable by the processor;

Wherein, the processor is configured to execute the steps of the registration method provided in the second aspect of this disclosure.

According to an eleventh aspect of the embodiment of the present disclosure, a registration device is provided, including:

processor;

Memory used to store instructions executable by the processor;

Wherein, the processor is configured to execute the steps of the registration method provided in the third aspect of this disclosure.

According to a twelfth aspect of the embodiment of the present disclosure, a registration device is provided, including:

processor;

Memory used to store instructions executable by the processor;

Wherein, the processor is configured to execute the steps of the registration method provided in the fourth aspect of the present disclosure.

According to a thirteenth aspect of an embodiment of the present disclosure, there is provided a computer-readable storage medium on which computer program instructions are stored. When the computer program instructions are executed by a processor, the steps of the registration method provided by the first aspect of the present disclosure are implemented. .

According to a fourteenth aspect of an embodiment of the present disclosure, there is provided a computer-readable storage medium on which computer program instructions are stored. When the computer program instructions are executed by a processor, the steps of the registration method provided by the second aspect of the present disclosure are implemented. .

According to a fifteenth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium on which computer program instructions are stored. When the computer program instructions are executed by a processor, the steps of the registration method provided in the third aspect of the present disclosure are implemented. .

According to a sixteenth aspect of the embodiment of the present disclosure, there is provided a computer-readable storage medium on which computer program instructions are stored. When the computer program instructions are executed by a processor, the steps of the registration method provided in the fourth aspect of the present disclosure are implemented. .

According to a seventeenth aspect of the embodiment of the present disclosure, a chip is provided, including: a processor and an interface; the processor is used to read instructions to execute the steps of the registration method provided in the first aspect of the present disclosure,

According to an eighteenth aspect of an embodiment of the present disclosure, a chip is provided, including: a processor and an interface; the processor is configured to read instructions to execute the steps of the registration method provided in the second aspect of the present disclosure.

According to a nineteenth aspect of an embodiment of the present disclosure, a chip is provided, including: a processor and an interface; the processor is configured to read instructions to execute the steps of the registration method provided in the third aspect of the present disclosure.

According to a twentieth aspect of the embodiment of the present disclosure, a chip is provided, including: a processor and an interface; the processor is configured to read instructions to execute the steps of the registration method provided in the fourth aspect of the present disclosure.

The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: the terminal device may send a first registration request message to the first network function through the first access network device, and respond to receiving the first network function through the first access network device. The first registration acceptance message sent by the network access device determines that the terminal device has successfully registered on the first communication network. The first registration request message may include a first parameter, and the first parameter may be used to represent that the terminal device registers with multiple communication networks. The communication network may include a first communication network, and the first network function is: The network function in the first communication network; the first registration acceptance message is when the first network function determines according to the first registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. message sent in case. In this way, the terminal device can register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only, and do not limit the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

FIG. 1 is a schematic diagram of a communication system according to an exemplary embodiment.

Figure 2 is a flow chart of a registration method according to an exemplary embodiment.

Figure 3 is a flow chart of a registration method according to an exemplary embodiment.

Figure 4 is a flow chart of a registration method according to an exemplary embodiment.

Figure 5 is a flow chart of a registration method according to an exemplary embodiment.

Figure 6 is a flow chart of a registration method according to an exemplary embodiment.

Figure 7 is a flow chart of a registration method according to an exemplary embodiment.

Figure 8 is a flow chart of a registration method according to an exemplary embodiment.

Figure 9 is a flow chart of a registration method according to an exemplary embodiment.

Figure 10 is a block diagram of a registration device according to an exemplary embodiment.

Figure 11 is a block diagram of a registration device according to an exemplary embodiment.

Figure 12 is a block diagram of a registration device according to an exemplary embodiment.

Figure 13 is a block diagram of a registration device according to an exemplary embodiment.

Figure 14 is a block diagram of a registration device according to an exemplary embodiment.

Figure 15 is a block diagram of a registration device according to an exemplary embodiment.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with aspects of the disclosure as detailed in the appended claims.

It should be noted that all actions to obtain signals, information or data in this disclosure are performed under the premise of complying with the corresponding data protection regulations and policies of the country where the location is located, and with authorization from the owner of the corresponding device.

In the description of the present disclosure, terms such as “first”, “second”, etc. are used to distinguish similar objects and do not necessarily mean a specific order or sequence. In addition, in the description with reference to the drawings, the same reference numerals in different drawings represent the same elements unless otherwise specified.

In the description of the present disclosure, unless otherwise stated, "plurality" refers to two or more than two, and other quantifiers are similar; "at least one (item)", "one (item) or multiple (pieces)" or similar expressions refer to any combination of these items (numbers), including any combination of single items (numbers) or plural items (numbers). For example, at least one item (item) can represent any number; for another example, one (item) or multiple items (items) among a, b, and c can represent: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple; "and/or" is an association relationship that describes associated objects, indicating that there can be three relationships, for example, A and/or B, can It means: A alone exists, A and B exist simultaneously, and B exists alone. Among them, A and B can be singular or plural.

Although operations or steps are described in a specific order in the drawings in the embodiments of the present disclosure, this should not be construed as requiring that these operations or steps be performed in the specific order shown or in a serial order, or that the operations or steps are performed in a specific order. All actions or steps shown are required to obtain the desired results. In embodiments of the present disclosure, these operations or steps may be performed in series; these operations or steps may also be performed in parallel; or part of these operations or steps may be performed.

The following first introduces the implementation environment of the embodiment of the present disclosure.

The technical solutions of the embodiments of the present disclosure can be applied to various communication systems. The communication system may include one or more of a 4G (the 4th Generation, fourth generation) communication system, a 5G (the 5th Generation, the fifth generation) communication system, and other future wireless communication systems (such as 6G). The communication system may also include a Public Land Mobile Network (PLMN) network, a Device-to-Device (D2D) communication system, a Machine to Machine (M2M) communication system, One or more of the Internet of Things (IoT) communication system, Vehicle-to-Everything (V2X) communication system or other communication systems.

Figure 1 is a schematic diagram of a communication system according to an exemplary embodiment. As shown in Figure 1, the communication system may include a terminal device 150, a communication network 160 and a third network function 171. The communication network 160 may include one or more communication networks. For example, the communication network 160 may include the first communication network 161, the second communication network 162, ..., the Nth communication network 16N, and so on. Each of the above communication networks can be used to support 4G network access technology, such as Long Term Evolution (LTE) access technology, or 5G network access technology, such as New Radio Access Technology (New RAT) ), or other future wireless communication technologies.

Each communication network may include an access network device and a core network device. The core network device may include at least one network function. The access network device may be used to support terminal device access. The terminal device may wirelessly communicate with The access network equipment is connected to the core network equipment through wireless and/or wired methods. The core network equipment and the access network equipment can be independent and different physical devices, or the functions of the core network equipment and the logical functions of the access network equipment can be integrated on the same physical device, or they can be integrated on one physical device. Some functions of core network equipment and some functions of access network equipment.

It should be noted that the above-mentioned terminal device may be an electronic device that provides voice or data connectivity. For example, the terminal device may also be called user equipment (User Equipment, UE), subscriber unit (Subscriber Unit), mobile station ( Mobile Station), Station, Terminal, etc. For example, the terminal device may include a smartphone, a smart wearable device, a smart speaker, a smart tablet, a wireless modem, a wireless local loop (Wireless Local Loop, WLL) station, a PDA (Personal Digital Assistant, personal digital assistant) ), CPE (Customer Premise Equipment, customer terminal equipment), etc. With the development of wireless communication technology, devices that can access the communication system, can communicate with the access network equipment of the communication system, can communicate with other objects through the communication system, or two or more devices can directly communicate with each other. The communicating devices can all be terminal devices in the embodiments of the present disclosure; for example, terminals and cars in smart transportation, household equipment in smart homes, power meter reading instruments, voltage monitoring instruments, environmental monitoring instruments, intelligent Video monitoring instruments, cash registers, etc. in security networks. In embodiments of the present disclosure, the terminal device may communicate with the access network device, or the terminal device may communicate with at least one network function (eg, the first network function) of the core network device through the access network device. Communication between multiple terminal devices is also possible. The terminal device may be static or fixed, or may be mobile, which is not limited in this disclosure.

The above-mentioned access network equipment can be used to support terminal device access. For example, the access network equipment can be an evolutionary Node B (eNB or eNodeB) in LTE; the access network equipment can also be an evolutionary base station in a 5G network. The next generation base station (the next Generation Node B, gNB or gNodeB); the access network equipment can also be the wireless access network (NG Radio Access Network, NG-RAN) equipment in the 5G network; the access network equipment can also be It is a base station, Broadband Network Gateway (BNG), aggregation switch or non-3GPP (3rd Generation Partnership Project) in the future evolved Public Land Mobile Network (PLMN). Access equipment, etc. Optionally, the access network equipment in the embodiment of the present disclosure may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, 5G base stations or future base stations, Satellites, transmission points (Transmitting and Receiving Point, TRP), transmitting points (TP), mobile switching centers, and device-to-device (D2D), machine-to-machine (M2M) ), Internet of Things (IoT), Vehicle-to-Everything (V2X) or other devices that perform base station functions in communications, etc., the embodiments of this disclosure do not specifically limit this. For convenience of description, in all embodiments of the present disclosure, devices that provide wireless communication functions for terminal equipment are collectively referred to as access network equipment or base stations.

In some embodiments of the present disclosure, the first communication network 161 may include a first network function 1611 and a first access network device 1612, and the first network function may be a network function in the first core network device; The second communication network 162 may include a second network function 1611 and a second access network device 1612, and the second network function may be a network function in the second core network device; similarly, the Nth communication network 16N mentioned above may include the Nth communication network 16N. Network function 16N1 and the Nth access network device 1612. The Nth network function may be a network function in the Nth core network device. The above-mentioned network function (for example, the first network function, the second network function or the Nth network function) may be hardware, or may be functionally divided software or a combination of software and hardware.

The above-mentioned first network function, second network function and Nth network function can all be network functions that provide access and mobility management functions, for example, they can include MME (Mobility Management Entity, mobility management entity) in the 4G network, or , it may also include AMF (Access and Mobility Management Function) in the 5G network, or it may also include network functions that provide access management functions or mobility management functions for other communication networks in the future.

The above-mentioned third network function may be a network function that provides user data management functions. For example, the third network function may include HSS (Home Subscriber Server) in the 4G network, or may also include UDM in the 5G network. (Unified Data Management, unified data management), or it can also include network functions that provide user data management functions for other communication networks in the future.

It should be noted that the number of terminal devices, communication networks and third network functions in Figure 1 may be one or more. For example, the communication network may only include the first communication network and the second communication network. The network may also include N communication networks, where N may be greater than 2. In addition, the communication system shown in FIG. 1 is only an example, and embodiments of the present disclosure are not limited to the system shown in FIG. 1 .

Figure 2 is a flow chart of a registration method according to an exemplary embodiment. This method can be applied to terminal equipment in the above communication system. As shown in Figure 2, the method may include:

S201. The terminal device sends a first registration request message to the first network function through the first access network device.

In some embodiments, the first registration request message may include a first parameter, and the first parameter may be used to indicate that the terminal device registers with multiple (for example, two or three) communication networks. The communication network may A first communication network is included, and the first network function is a network function in the first communication network.

In one implementation, the first parameter may include a registration type parameter (for example, Registration Type), and the value of the registration type parameter may be the first type. The first type can be used to represent that the terminal device registers with multiple communication networks. The first type can be preset or any value specified by the protocol. For example, the first type can be dual 3GPP access registration (Dual 3GPP -Access Registration); for another example, when the first communication network is a 5G network, the first type may be Dual 3GPP-Access Registration to the 5GS (Dual 3GPP-Access Registration to the 5GS).

In another implementation, the first parameter may include a first indication parameter, which may be a new parameter based on the existing 3GPP protocol, or may be an unused reserved parameter in the existing 3GPP protocol. bit, the first indication parameter can indicate that the terminal device registers with multiple communication networks.

In other embodiments, the first registration request message may include a second parameter, and the second parameter may be used to indicate that the terminal device has the ability to register with multiple communication networks.

In an implementation manner, the second parameter may include a terminal capability parameter, and the value of the terminal capability parameter may be the first capability. The first capability can be used to represent that the terminal device has the ability to register with multiple communication networks. The first capability can be preset or any value specified by the protocol. For example, the first capability can be dual 3GPP access capability. (supporting Dual 3GPP Access).

In another implementation, the second parameter may include a second indication parameter, which may be a new parameter based on the existing 3GPP protocol, or may be an unused reserved parameter in the existing 3GPP protocol. bit, the second indication parameter can indicate that the terminal device has the ability to register with multiple communication networks.

In other embodiments, the first registration request message may include the above-mentioned first parameter and second parameter.

S202. In response to receiving the first registration acceptance message sent by the first network function through the first access network device, the terminal device determines that the terminal device has successfully registered on the first communication network.

In some embodiments, the first registration acceptance message may be a case where the first network function determines according to the above-mentioned first registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register with multiple communication networks. message sent below.

In other embodiments, the first registration acceptance message may be that the first network function determines according to the above-mentioned first registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, and determine the message sent by the terminal device when the registration of the first communication network is successful.

In some embodiments, the first network function may interact with the third network function through messages to determine whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks.

In other embodiments, the first network function can also determine by itself whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. The first network function may determine whether the first communication network has the ability to support the terminal device to register in multiple communication networks according to the first network parameter, and the first network parameter may be a preconfigured parameter. The first network function may also determine whether the terminal device has the ability to register in multiple communication networks based on the above-mentioned first parameter and/or second parameter. Example:

In some embodiments, in the case where the first parameter is included in the first registration request message, the first network function may determine that the terminal device has the ability to register in multiple communication networks.

In other embodiments, when the first registration request message includes a first parameter (registration type parameter), and the value of the first parameter is the first type, the first network function may determine that the terminal device has the Ability to register with multiple communications networks.

In other embodiments, when the first registration request message includes the second parameter, the first network function may determine that the terminal device has the ability to register in multiple communication networks.

In some embodiments, when the first registration request message includes a second parameter, and the value of the second parameter is the first capability, the first network function may determine that the terminal device is capable of performing operations on multiple communication networks. Ability to register.

In some embodiments, the above-mentioned first network function may be a network function that provides access and mobility management functions in core network equipment, such as AMF in 5G core network equipment.

For example, the first network function may be a first access and mobility management function AMF.

It should be noted that the terminal device may send the above-mentioned first registration request message (for example, Registration request) to the first network function through the access network device, or may receive the first network function through the access network device. The first registration acceptance message (such as Registration Accept) sent above.

Using the above method, the terminal device can send a first registration request message to the first network function through the first access network device, and in response to receiving the first registration acceptance message sent by the first network function through the first access network device, It is determined that the terminal device is successfully registered in the first communication network. The first registration request message may include a first parameter, and the first parameter may be used to represent that the terminal device registers with multiple communication networks. The communication network may include a first communication network, and the first network function is: The network function in the first communication network; the first registration acceptance message is when the first network function determines according to the first registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. message sent in case. In this way, the terminal device can register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

In some embodiments of the present disclosure, the terminal device may register with the first communication network and the second communication network respectively.

In one implementation, the terminal device can register in the first communication network and the second communication network in parallel. For example, the terminal device can send a first registration request message to the first network function in the first communication network, and send a first registration request message to the first communication network. The second network function in the second communication network sends a second registration request message.

In another implementation, the terminal device may register with the first communication network and the second communication network serially. For example, the terminal device may first register with the second communication network and then register with the first communication network.

For example, when the terminal device successfully registers with the second communication network, the terminal device may send a first registration request message to the first network function through the first access network device.

For another example, after the terminal device initiates registration with the second communication network, regardless of whether the registration is successful or failed, the terminal device may send a first registration request message to the first network function through the first access network device.

In this way, the terminal device can register in both the first communication network and the second communication network and maintain the registration success status, thereby realizing the requirement of the terminal device to communicate using the first communication network and the second communication network at the same time.

Figure 3 is a flow chart of a registration method according to an exemplary embodiment. As shown in Figure 3, the method may include:

S301. The terminal device sends a second registration request message to the second network function through the second access network device.

In some embodiments, the second registration request message may include the above-mentioned second parameter. The second parameter may be used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network may include the first communication network. network and a second communication network, where the second network function is a network function in the second communication network.

In other embodiments, the second registration request message may include the above-mentioned first parameter.

In other embodiments, the second registration request message may include the above-mentioned first parameter and second parameter.

In some embodiments, the second registration request message may not include the above-mentioned first parameter and second parameter.

S302. In response to receiving the second registration acceptance message sent by the second network function through the second access network device, the terminal device determines that the terminal device has successfully registered with the second communication network.

S303. The terminal device sends a first registration request message to the first network function through the first access network device.

In some embodiments, the first registration request message may include the above-mentioned first parameter and/or second parameter.

S304. In response to receiving the first registration acceptance message sent by the first network function through the first access network device, the terminal device determines that the terminal device has successfully registered on the first communication network.

In this way, the terminal device can register in both the first communication network and the second communication network and maintain the registration success state.

In some embodiments, the above steps S301 and S303 can be executed in parallel, so that the terminal device can register in two communication networks at the same time. The parameter types included in the first registration request message and the second registration request message may be the same. For example, the first registration request message and the second registration request message may both include the first parameter, or the first registration request message and the second registration request message may both include the first parameter. The registration request message may both include the second parameter, or the first registration request message and the second registration request message may both include the first parameter and the second parameter.

In other embodiments, the above steps may be executed in series. For example, when the terminal device determines that the registration with the second communication network is successful, the terminal device executes step S303.

The parameter types included in the first registration request message and the second registration request message may be the same or different. For example, the first registration request message may include the second parameter, but not the first parameter; the second registration request message may include the first parameter, but not the second parameter.

In some embodiments of the present disclosure, the terminal device may send the above-mentioned first registration request to the first network function through the first access network device after determining that the target network has the capability to support the registration of the terminal device in multiple communication networks. information.

The target network may be the above-mentioned first communication network, or the target network may also be the above-mentioned second communication network, or the target network may include the above-mentioned first communication network and the second communication network.

In some embodiments of the present disclosure, the above-mentioned second registration acceptance message may include a target network capability parameter. The target network capability parameter is used to characterize whether the target network has the ability to support the registration of a terminal device in multiple communication networks. The target network Includes a first communication network and/or a second communication network.

In this way, the terminal device can determine whether the target network has the ability to support the terminal device to register in multiple communication networks based on the target network capability parameter; when it is determined that the target network has the ability to support the terminal device to register in multiple communication networks, through the third An access network device sends a first registration request message to the first network function; conversely, if it is determined that the target network does not have this capability, it may not initiate registration with the first communication network.

For example, the target network capability parameter may include one or more of a first network capability parameter and a second network capability parameter. The first network capability parameter is used to characterize whether the first communication network is capable of supporting the terminal device in multiple communications. Network registration capability. The second network capability parameter is used to characterize whether the second communication network has the capability to support the terminal device to register in multiple communication networks.

In one implementation, the target network capability parameter may include a correspondence between a network identification identifier and a network capability. The network identification identifier may include CGI (Cell Global Identification, a globally unique cell identifier), TAI (Tracking Area ID, tracking area). Identification), one or more of RAT (Radio Access Type, wireless access type) and PLMN ID (Public Land Mobile Network Identification, public land mobile network identification). Taking the network identification identifier as PLMN ID as an example, the PLMN ID corresponding to the first communication network can be 1, and the corresponding network capability is the first network capability (the ability to support terminal equipment registration in multiple communication networks). The first communication network The corresponding PLMN ID can be 2, and the corresponding network capability is the second network capability (it can also support the ability of terminal devices to register in multiple communication networks).

In this way, the terminal device can determine the capability of the target network based on the received target network capability parameters, and when it is determined that the target network has the capability to support the registration of the terminal device in multiple communication networks, send the first access network device to the first network device through the first access network device. The network function sends a first registration request message.

In some embodiments, the first registration acceptance message may also include the target network capability parameter.

In some embodiments, the first network function may be a first access and mobility management function AMF, and the second network function may be a second AMF.

It should be noted that in some embodiments, the first AMF and the second AMF may be the same AMF. In other embodiments, the first AMF and the second AMF may also be different AMFs. This disclosure is useful for This is not a limitation.

In some embodiments, the terminal device may send the above-mentioned first registration request message to the first network function through the first access network device, and may also receive the above-mentioned first registration acceptance message sent by the first network function through the first access network device. information. Similarly, the terminal device may send the second registration request message to the second network function through the second access network device, and may also receive the second registration acceptance message sent by the second network function through the second access network device. The above-mentioned first access network device and the second access network device may be the same or different; the above-mentioned first network function and the second network function may be the same or different, and this disclosure does not limit this.

In some embodiments of the present disclosure, the plurality of communication networks mentioned above may all be 3GPP networks. Example:

In some embodiments, the first communication network and the second communication network may have the same network identifier, or may have different network identifiers. The network identification may be a PLMN ID.

In some embodiments, the above-mentioned first communication network and the second communication network may have the same network type, or may have different network types. The network type can be RAT.

For example, the above-mentioned first communication network may be a network with a PLMN ID of 1 and a RAT of LTE/EPC, and the above-mentioned second communication network may be a network with a PLMN ID of 1 and a RAT of NR/5GC.

For another example, the above-mentioned first communication network may be a network with a PLMN ID of 1 and a RAT of NR/5GC, and the above-mentioned second communication network may be a network with a PLMN ID of 2 and a RAT of NR/5GC.

For another example, the above-mentioned first communication network may be a network with a PLMN ID of 1 and a RAT of LTE/EPC, and the above-mentioned second communication network may be a network with a PLMN ID of 2 and a RAT of NR/5GC.

For another example, the above-mentioned first communication network may be a network with a PLMN ID of 1 and a RAT of NTN, and the above-mentioned second communication network may be a network with a PLMN ID of 1 and a RAT of TN.

In this way, the terminal device can register and maintain the registration status in both the first communication network and the second communication network in different combinations.

In some embodiments, the terminal device is located at a location that can receive signals from the first communication network and the second communication network.

The above-mentioned terminal device may have the ability to register in multiple communication networks, or have the ability to communicate in multiple communication networks.

For example, the terminal device may have dual 3GPP-RAT (Radio Access Type) capabilities, and the above-mentioned first communication network and the second communication network are both 3GPP networks.

For example, the dual 3GPP-RAT may include NR and LTE, the first communication network may be an NR network, and the second communication network may be an LTE network; or vice versa.

For another example, the dual 3GPP-RAT may also include NTN (Non-Terrestrial Network, non-terrestrial network) and TN (Terrestrial Network, terrestrial network), the first communication network may be an NTN network, and the second communication network may be a TN network.

For another example, the dual 3GPP-RATs may both be NR, and the first communication network and the second communication network may both be NR networks.

The terminal device may report the network standard it supports through the first registration request message. For example, the terminal device may indicate the network standard supported by the terminal device through the above-mentioned second parameter.

In this way, the terminal device can register in both the first communication network and the second communication network within the capability support range.

In some embodiments of the present disclosure, the plurality of communication networks mentioned above are all 3GPP networks, and the 3GPP network may include an NR network and/or an LTE network; the 3GPP network may also include an NTN network and/or a TN network.

In some embodiments of the present disclosure, the above-mentioned first registration request message may also include one or more of terminal identification parameters, terminal capability parameters and security parameters.

Among them, the terminal identification parameters may include SUCI (Subscription Concealed Identifier, implicit identification of the subscriber), SUPI (Subscriber Permanent Identifier, permanent identification of the subscriber), GUTI (Globally Unique Temporary Identifier, globally unique temporary identifier), PEI (Permanent Equipment Identifier (Permanent Equipment Identifier). The above GUTI may be 5G-GUTI, 4G-GUTI, or GUTI under other network standards. This disclosure does not limit this.

The terminal capability parameter can be used to characterize the UE capabilities supported by the terminal device. In an implementation manner, the above-mentioned second parameter may be a sub-parameter in the terminal capability parameter.

Similarly, the above-mentioned second registration request message may also include one or more of terminal identification parameters, terminal capability parameters and security parameters.

In an implementation manner, the first registration request message and the second registration request message may include the same terminal identification parameter, and the terminal identification parameter is an identification corresponding to the terminal device.

In this way, the terminal device can register through the parameters in the first registration request message and/or the second registration request message in order to communicate.

Figure 4 is a flow chart of a registration method according to an exemplary embodiment. This method can be applied to the first network function in the above communication system. As shown in Figure 4, the method may include:

S401. In response to receiving the first registration request message sent by the terminal device through the first access network device, the first network function sends a third registration request message to the third network function.

In some embodiments, both the first registration request message and the third registration request message may include a first parameter. The first parameter may be used to indicate that the terminal device registers with multiple communication networks. The communication network may include the first communication network. network, the first network function is a network function in the first communication network, and the third network function is a network function that provides a user data management function. It should be noted that the third network function may be a network function in the first communication network, or may be a network function independent of the first communication network.

In one implementation, the first parameter may include a registration type parameter (for example, Registration Type), and the value of the registration type parameter may be the first type. The first type may be used to represent that the terminal device registers with multiple communication networks.

In other embodiments, both the first registration request message and the third registration request message may include a second parameter, and the second parameter may be used to indicate that the terminal device has the ability to register with multiple communication networks. The network may also include a second communications network.

In some other embodiments, the first registration request message may include the above-mentioned first parameter and the second parameter, and the third registration request message may also include the above-mentioned first parameter and the second parameter.

S402. In response to receiving the third registration acceptance message sent by the third network function, the first network function sends the first registration acceptance message to the terminal device through the first access network device.

The first registration acceptance message is used to indicate that the terminal device has successfully registered on the first communication network.

In some embodiments, the third registration acceptance message is sent by the third network function when it is determined according to the third registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register with multiple communication networks. news.

In other embodiments, the third registration acceptance message may be that the third network function determines according to the above third registration request message that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, and determine the message sent by the terminal device when the registration of the first communication network is successful.

Using the above method, the first network function can support the terminal device to register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

In some embodiments, the third network function may determine whether the terminal device and the first communication network both have the ability to support the terminal device to register with multiple communication networks in the following manner:

First, the third network function may determine whether the first communication network has the ability to support the terminal device to register in multiple communication networks according to the third network parameter. The third network parameter may be a preconfigured parameter.

Secondly, the third network function can also determine whether the terminal device has the ability to register in multiple communication networks based on the above-mentioned first parameter and/or second parameter.

In some embodiments, when the third registration request message includes the first parameter, the third network function may determine that the terminal device has the ability to register in multiple communication networks.

In other embodiments, when the third registration request message includes a first parameter (registration type parameter), and the value of the first parameter is the first type, the third network function may determine that the terminal device has the Ability to register with multiple communications networks.

In some other embodiments, when the third registration request message includes the second parameter, the third network function may determine that the terminal device has the ability to register in multiple communication networks.

In some embodiments, when the third registration request message includes a second parameter, and the value of the second parameter is the first capability, the third network function may determine that the terminal device is capable of performing operations on multiple communication networks. Ability to register.

In this way, the third network function can determine whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks.

In some embodiments of the present disclosure, the third registration request message may further include a first network type and/or a first network identifier corresponding to the first communication network.

The third network function may determine whether the first communication network has the ability to support the terminal device to register in multiple communication networks based on the first network type and/or the first network identifier.

For example, the third network function may be pre-configured with at least one first network type having the ability to support terminal equipment to register in multiple communication networks; it may also be pre-configured to have the ability to support terminal equipment to register in multiple communication networks. At least one first network identifier. In this way, the third network function can determine whether the first communication network has the ability to support the terminal device to register in multiple communication networks based on the first network type and/or the first network identifier.

Wherein, the first network type may be a RAT Type corresponding to the first communication network (such as 3G, 4G or 5G), and the first network identifier may be a PLMN ID corresponding to the first communication network.

Further, the third network function may also determine whether the terminal device is successfully registered in the first communication network according to the first network type and/or the first network identifier. If the registration is successful, a third registration acceptance message is sent to the first network function through the first access network device.

In some embodiments, the first registration acceptance message may include a target network capability parameter. The target network capability parameter is used to characterize whether the target network has the ability to support the registration of the terminal device in multiple communication networks. The target network includes the first communication network. network and/or second communications network.

In some embodiments, the first network function may be the first access and mobility management function AMF, and the third network function may be unified data management UDM.

In some embodiments of the present disclosure, the plurality of communication networks mentioned above are all 3GPP networks. For example, the 3GPP network may include an NR network and/or an LTE network; the 3GPP network may also include an NTN network and/or a TN network.

Figure 5 is a flow chart of a registration method according to an exemplary embodiment. This method can be applied to the second network function in the above communication system. As shown in Figure 5, the method may include:

S501. In response to receiving the second registration request message sent by the terminal device through the second access network device, the second network function sends a fourth registration request message to the third network function.

In some embodiments, both the second registration request message and the fourth registration request message may include a second parameter. The second parameter may be used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network includes a third A communication network and a second communication network, the second network function is a network function in the second communication network.

In other embodiments, both the second registration request message and the fourth registration request message may include a first parameter, and the first parameter may be used to represent that the terminal device registers with multiple communication networks, and the communication network further A first communication network may be included, and a first network function may be included in the first communication network.

In some other embodiments, both the second registration request message and the fourth registration request message may include the above-mentioned first parameter and second parameter.

In some embodiments, the second registration request message and the fourth registration request message may not include the above-mentioned first parameter and second parameter.

S502. In response to receiving the fourth registration acceptance message sent by the third network function, the second network function sends a second registration acceptance message to the terminal device through the second access network device.

Wherein, the second registration acceptance message is used to indicate that the terminal device has successfully registered with the second communication network, so that when the terminal device successfully registers with the second communication network, it sends the first network function to the first network function through the first access network device. A registration request message; the first registration request message includes a first parameter, the first parameter is used to indicate that the terminal device registers with multiple communication networks, and the first network function is a network function in the first communication network.

Using the above method, the second network function can support the terminal device to register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

In some embodiments of the present disclosure, the fourth registration request message may further include a second network type and/or a second network identifier corresponding to the second communication network.

The third network function may determine whether the terminal device is successfully registered in the second communication network according to the second network type and/or the second network identifier.

In some embodiments of the present disclosure, the above-mentioned second registration acceptance message may include a target network capability parameter. The target network capability parameter is used to characterize whether the target network has the ability to support the registration of the terminal device in multiple communication networks. The target network includes a third a communication network and/or a second communication network.

In some embodiments of the present disclosure, the above-mentioned first network function may be a first AMF, the second network function may be a second AMF, and the third network function may be a unified data management UDM.

In some embodiments of the present disclosure, the plurality of communication networks mentioned above may all be 3GPP networks.

Figure 6 is a flow chart of a registration method according to an exemplary embodiment. This method can be applied to the third network function in the above communication system. As shown in Figure 6, the method may include:

S601. In response to receiving the third registration request message sent by the first network function, the third network function determines whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks.

The third registration request message is a message sent by the first network function to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device.

In some embodiments, both the first registration request message and the third registration request message include a first parameter, and the first parameter is used to represent that the terminal device registers with multiple communication networks. The communication network includes a first communication network, and a first parameter. A network function is a network function in the first communication network.

In other embodiments, both the first registration request message and the third registration request message may include a second parameter, and the second parameter may be used to represent that the terminal device has the ability to register with multiple communication networks.

S602. When the third network function determines that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, the third network function sends a third registration acceptance to the first network function through the first access network device. information.

The third registration acceptance message is used to instruct the first network function to send the first registration acceptance message to the terminal device through the first access network device, and the first registration acceptance message is used to indicate that the terminal device has successfully registered on the first communication network.

Using the above method, the third network function can support the terminal device to register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

Figure 7 is a flow chart of a registration method according to an exemplary embodiment. As shown in Figure 7, the method may include:

S701. In response to receiving the fourth registration request message sent by the second network function, the third network function registers the terminal device in the second communication network.

The fourth registration request message is a message sent by the second network function to the third network function in response to receiving the second registration request message sent by the terminal device through the second access network device.

In some embodiments, both the second registration request message and the fourth registration request message include a second parameter. The second parameter is used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network includes the first communication network. and a second communication network, the second network function being a network function in the second communication network.

S702. When the third network function determines that the terminal device has successfully registered with the second communication network, the third network function sends a fourth registration acceptance message to the second network function.

Wherein, the fourth registration acceptance message may be used to instruct the second network function to send a second registration acceptance message to the terminal device through the second access network device; the second registration acceptance message may be used to instruct the terminal device to register on the second communication network. The registration is successful, so that when the terminal device successfully registers with the second communication network, it sends a first registration request message to the first network function through the first access network device; the first registration request message includes the first parameter, the first The parameters are used to represent that the terminal device registers with multiple communication networks, and the first network function is a network function in the first communication network.

S703. In response to receiving the third registration request message sent by the first network function, the third network function determines whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks.

S704. When the third network function determines that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, the third network function sends a third registration acceptance to the first network function through the first access network device. information.

Using the above method, the third network function can support the terminal device to register in both the first communication network and the second communication network and maintain the registration status.

In some embodiments of the present disclosure, the above-mentioned first network function may be a first access and mobility management function AMF, the second network function may be a second AMF, and the third network function may be a unified data management UDM.

Figure 8 is a flow chart of a registration method according to an exemplary embodiment. As shown in Figure 8, the method may include:

S801. The terminal device sends a first registration request message to the first network function through the first access network device.

The first registration request message may include the above-mentioned first parameter and/or second parameter.

S802. The first network function sends a third registration request message to the third network function.

For example, the first network function may send a third registration request message to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device.

In some embodiments, the third registration request message may include the above-mentioned first parameter and/or second parameter.

S803. The third network function sends a third registration acceptance message to the first network function.

For example, in response to receiving the third registration request message sent by the first network function, the third network function determines whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, and When it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, a third registration acceptance message is sent to the first network function through the first access network device.

S804. The first network function sends a first registration acceptance message to the terminal device through the first access network device.

For example, in response to receiving the third registration acceptance message sent by the third network function, the first network function sends the first registration acceptance message to the terminal device through the first access network device.

In some embodiments, the terminal device may determine that the terminal device has successfully registered with the first communication network in response to receiving the first registration acceptance message sent by the first network function through the first access network device.

In some embodiments, the first network function may be the first access and mobility management function AMF, the second network function may be the second AMF, and the third network function may be the unified data management UDM.

In some embodiments, the terminal device may send the above-mentioned first registration request message to the first network function through the first access network device, and may also receive the above-mentioned first registration acceptance message sent by the first network function through the first access network device. information.

In some embodiments, the plurality of communication networks mentioned above are all 3GPP networks. For example, the 3GPP network may include an NR network and/or an LTE network; the 3GPP network may also include an NTN network and/or a TN network.

It should be noted that, for the specific implementation manner of the above steps in this embodiment, reference can be made to the descriptions in the previous embodiments of the present disclosure, which will not be described again here.

In this way, the terminal device can register and maintain the registration status in multiple communication networks, thereby realizing the requirement of the terminal device to use multiple communication networks for communication at the same time, and improving the user's communication quality and reliability.

Figure 9 is a flow chart of a registration method according to an exemplary embodiment. As shown in Figure 9, the method may include:

S901. The terminal device sends a second registration request message to the second network function through the second access network device.

In some embodiments, the second registration request message may include the above-mentioned first parameter and/or second parameter.

S902. The second network function sends a fourth registration request message to the third network function.

For example, the second network function may send a fourth registration request message to the third network function in response to receiving the second registration request message sent by the terminal device through the second access network device.

In some embodiments, the fourth registration request message may include the above-mentioned first parameter and/or second parameter.

In some embodiments, the fourth registration request message may not include the above-mentioned first parameter and second parameter.

S903. The third network function sends a fourth registration acceptance message to the second network function.

For example, the third network function may register the terminal device in the second communication network in response to receiving the fourth registration request message sent by the second network function, and upon determining that the terminal device is successfully registered in the second communication network , sending a fourth registration acceptance message to the second network function.

S904. The second network function sends a second registration acceptance message to the terminal device through the second access network device.

For example, the second network function may respond to receiving the fourth registration acceptance message sent by the third network function and send the second registration acceptance message to the terminal device through the second access network device.

In this way, the terminal device can determine that the terminal device has successfully registered with the second communication network in response to receiving the second registration acceptance message sent by the second network function through the second access network device.

S905. The terminal device sends a first registration request message to the first network function through the first access network device.

S906. The first network function sends a third registration request message to the third network function.

S907. The third network function sends a third registration acceptance message to the first network function.

For example, in response to receiving the third registration request message sent by the first network function, the third network function determines whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, and When it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, a third registration acceptance message is sent to the first network function.

S908. The first network function sends a first registration acceptance message to the terminal device through the first access network device.

Figure 10 is a block diagram of a registration device 2100 according to an exemplary embodiment. This device can be applied to terminal equipment. As shown in Figure 10, the device 2100 can include:

The first sending module 2101 is configured to send a first registration request message to the first network function through the first access network device; wherein the first registration request message includes a first parameter, and the first parameter is used to It represents that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is a network function in the first communication network;

The first determination module 2102 is configured to determine that the terminal device has successfully registered in the first communication network in response to receiving the first registration acceptance message sent by the first network function through the first access network device; wherein , the first registration acceptance message is that the first network function determines according to the first registration request message that both the terminal device and the first communication network are capable of supporting the terminal device to register in multiple communication networks. The ability to send messages without the situation.

In some embodiments, the first parameter is a registration type parameter, and the value of the registration type parameter is the first type.

In some embodiments, the first sending module 2101 is configured to send the first registration request message to the first network function when the terminal device successfully registers with the second communication network.

In some embodiments, the first sending module 2101 is configured to send a second registration request message to the second network function through the second access network device; wherein the second registration request message includes a second parameter , the second parameter is used to represent that the terminal device has the ability to register with multiple communication networks. The communication network also includes a second communication network, and the second network function is the second communication network. The network function in; in response to receiving the second registration acceptance message sent by the second network function through the second access network device, determine that the terminal device has successfully registered with the second communication network.

In some embodiments, the second registration acceptance message includes target network capability parameters, and the target network capability parameters are used to characterize whether the target network has the ability to support the registration of the terminal device in multiple communication networks, so The target network includes the first communication network and/or the second communication network; the first sending module 2101 is configured to determine that the target network is equipped to support the terminal device in multiple communication networks. In the case of registration capability, the first registration request message is sent to the first network function.

In some embodiments, the first registration acceptance message includes the target network capability parameter.

In some embodiments, the first registration request message further includes the second parameter.

In some embodiments, the first registration request message and the second registration request message include the same terminal identification parameter, and the terminal identification parameter is an identification corresponding to the terminal device.

In some embodiments, the first network function is a first access and mobility management function AMF, and the second network function is a second AMF.

In some embodiments, the plurality of communication networks are all 3GPP networks.

Figure 11 is a block diagram of a registration device 2200 according to an exemplary embodiment. The device can be applied to the first network function. As shown in Figure 11, the device 2200 can include:

The second sending module 2201 is configured to send a third registration request message to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device; wherein the first registration request Both the message and the third registration request message include a first parameter. The first parameter is used to represent that the terminal device registers with multiple communication networks. The communication network includes a first communication network. The first parameter The network function is a network function in the first communication network, and the third network function is a network function that provides a user data management function;

The third sending module 2202 is configured to send a first registration acceptance message to the terminal device through the first access network device in response to receiving the third registration acceptance message sent by the third network function; wherein, The first registration acceptance message is used to indicate that the terminal device has successfully registered in the first communication network, and the third registration acceptance message is for the third network function to determine that the terminal device is registered according to the third registration request message. The terminal device and the first communication network both have the ability to support the terminal device in registering in multiple communication networks.

In some embodiments, the third registration request message further includes a first network type and/or a first network identifier corresponding to the first communication network.

In some embodiments, both the first registration request message and the third registration request message also include a second parameter, and the second parameter is used to represent that the terminal device is capable of performing operations on multiple communication networks. With the ability to register, the communication network also includes a second communication network.

In some embodiments, the first registration acceptance message includes target network capability parameters, and the target network capability parameters are used to characterize whether the target network has the ability to support the registration of the terminal device in multiple communication networks, so The target network includes the first communication network and/or the second communication network.

In some embodiments, the first network function is a first access and mobility management function AMF, and the third network function is a unified data management UDM.

Figure 12 is a block diagram of a registration device 2300 according to an exemplary embodiment. The device can be applied to the second network function. As shown in Figure 12, the device 2300 can include:

The fourth sending module 2301 is configured to send a fourth registration request message to the third network function in response to receiving the second registration request message sent by the terminal device through the second access network device; wherein the second registration request Both the message and the fourth registration request message include a second parameter. The second parameter is used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network includes a first communication network and a third communication network. Two communication networks, the second network function is a network function in the second communication network;

The fifth sending module 2302 is configured to send a second registration acceptance message to the terminal device through the second access network device in response to receiving the fourth registration acceptance message sent by the third network function; wherein, The second registration acceptance message is used to indicate that the terminal device has successfully registered with the second communication network, so that when the terminal device successfully registers with the second communication network, it can register with the first access network device through the first access network device. A network function sends a first registration request message; the first registration request message includes a first parameter, and the first parameter is used to represent that the terminal device registers with multiple communication networks, and the first network The function is a network function in the first communication network.

In some embodiments, the fourth registration request message further includes a second network type and/or a second network identifier corresponding to the second communication network.

In some embodiments, both the second registration request message and the fourth registration request message further include the first parameter.

In some embodiments, the second registration acceptance message includes target network capability parameters, and the target network capability parameters are used to characterize whether the target network has the ability to support the registration of the terminal device in multiple communication networks, so The target network includes the first communication network and/or the second communication network.

In some embodiments, the first network function is a first access and mobility management function AMF, the second network function is a second AMF, and the third network function is unified data management UDM.

Figure 13 is a block diagram of a registration device 2400 according to an exemplary embodiment. The device can be applied to the third network function. As shown in Figure 13, the device 2400 can include:

The second determination module 2401 is configured to, in response to receiving the third registration request message sent by the first network function, determine whether both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. ; Wherein, the third registration request message is a message sent by the first network function to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device, and the first Both the registration request message and the third registration request message include a first parameter. The first parameter is used to represent that the terminal device registers with multiple communication networks. The communication network includes a first communication network. The first network function is a network function in the first communication network;

The sixth sending module 2402 is configured to send a message to the first network function when it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. A third registration acceptance message; wherein the third registration acceptance message is used to instruct the first network function to send a first registration acceptance message to the terminal device through the first access network device, and the first registration The acceptance message is used to indicate that the terminal device has successfully registered in the first communication network.

Figure 14 is a block diagram of a registration device 2400 according to an exemplary embodiment. As shown in Figure 14, the device 2400 may also include:

The first registration module 2403 is configured to register the terminal device in the second communication network in response to receiving the fourth registration request message sent by the second network function; wherein the fourth registration request message is the The second network function sends a message to the third network function in response to receiving a second registration request message sent by the terminal device through the second access network device, the second registration request message and the fourth registration request message. include a second parameter, the second parameter is used to represent that the terminal device has the ability to register with multiple communication networks, the communication network includes a first communication network and the second communication network, and the third The second network function is a network function in the second communication network;

The seventh sending module 2404 is configured to send a fourth registration acceptance message to the second network function when it is determined that the terminal device is successfully registered in the second communication network; wherein the fourth registration acceptance message The message is used to instruct the second network function to send a second registration acceptance message to the terminal device through the second access network device; the second registration acceptance message is used to instruct the terminal device to The communication network registration is successful, so that when the terminal device successfully registers with the second communication network, it sends a first registration request message to the first network function through the first access network device; the first registration request message includes a first parameter, the first parameter is used to represent that the terminal device registers with multiple communication networks, and the first network function is a network function in the first communication network.

In some embodiments, both the first registration request message and the third registration request message further include the second parameter.

Regarding the devices in the above embodiments, the specific manner in which each module performs operations has been described in detail in the embodiments related to the method, and will not be described in detail here.

Figure 15 is a block diagram of a registration device according to an exemplary embodiment. The registration device 3000 may be a terminal device, a first network function, a second network function or a third network function in the communication system shown in Figure 1 .

Referring to Figure 15, the apparatus 3000 may include one or more of the following components: a processing component 3002, a memory 3004, and a communication component 3006.

The processing component 3002 may be used to control the overall operations of the device 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 3002 may include one or more processors 3020 to execute instructions to complete all or part of the steps of the above registration method. Additionally, processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components. For example, processing component 3002 may include a multimedia module to facilitate interaction between the multimedia component and processing component 3002.

Memory 3004 is configured to store various types of data to support operations at device 3000. Examples of such data include instructions for any application or method operating on device 3000, contact data, phonebook data, messages, pictures, videos, etc. Memory 3004 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

Communication component 3006 is configured to facilitate wired or wireless communication between apparatus 3000 and other devices. The device 3000 can access a wireless network based on communication standards, such as Wi-Fi, 2G, 3G, 4G, 5G, 6G, NB-IOT, eMTC, etc., or a combination thereof. In one exemplary embodiment, the communication component 3006 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 3006 also includes a near field communication (NFC) module to facilitate short-range communications. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, apparatus 3000 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing the above registration method.

The above-mentioned device 3000 can be an independent electronic device or a part of an independent electronic device. For example, in one embodiment, the electronic device can be an integrated circuit (Integrated Circuit, IC) or a chip, where the integrated circuit can be an IC can also be a collection of multiple ICs; the chip can include but is not limited to the following types: GPU (Graphics Processing Unit, graphics processor), CPU (Central Processing Unit, central processing unit), FPGA (Field Programmable Gate Array, Programmable logic array), DSP (Digital Signal Processor, digital signal processor), ASIC (Application Specific Integrated Circuit, application specific integrated circuit), SOC (System on Chip, SoC, system on a chip or system-level chip), etc. The above integrated circuit or chip can be used to execute executable instructions (or codes) to implement the above registration method. The executable instructions can be stored in the integrated circuit or chip, or can be obtained from other devices or devices. For example, the integrated circuit or chip includes a processor, a memory, and an interface for communicating with other devices. The executable instruction can be stored in the processor, and when the executable instruction is executed by the processor, the above registration method is implemented; or, the integrated circuit or chip can receive the executable instruction through the interface and transmit it to the processor for execution, To implement the above registration method.

In an exemplary embodiment, the present disclosure also provides a computer-readable storage medium on which computer program instructions are stored. When the program instructions are executed by a processor, the steps of the registration method provided by the present disclosure are implemented. For example, the computer-readable storage medium may be a non-transitory computer-readable storage medium including instructions, for example, may be the above-mentioned memory 3004 including instructions, and the above-mentioned instructions may be executed by the processor 3020 of the device 3000 to complete the above-mentioned registration. method. For example, the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.

In another exemplary embodiment, a computer program product is also provided, the computer program product comprising a computer program executable by a programmable device, the computer program having a function for performing the above when executed by the programmable device. The code part of the registration method.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure that follow the general principles of the disclosure and include common knowledge or customary technical means in the technical field that are not disclosed in the disclosure. . It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the disclosure is limited only by the appended claims.

Claims

A registration method, characterized in that it is applied to a terminal device, and the method includes:

Send a first registration request message to the first network function through the first access network device; wherein the first registration request message includes a first parameter, and the first parameter is used to characterize the terminal device's communication with multiple The network performs registration, the communication network includes a first communication network, and the first network function is a network function in the first communication network;

In response to receiving the first registration acceptance message sent by the first network function through the first access network device, it is determined that the terminal device has successfully registered with the first communication network; wherein the first registration acceptance The message is sent by the first network function when it is determined according to the first registration request message that both the terminal device and the first communication network have the ability to support the registration of the terminal device in multiple communication networks. information.
The method according to claim 1, characterized in that the first parameter is a registration type parameter, and the value of the registration type parameter is a first type.
The method according to claim 1, wherein sending the first registration request message to the first network function through the first access network device includes:

If the terminal device successfully registers with the second communication network, the first registration request message is sent to the first network function.
The method according to claim 3, characterized in that the terminal device registers with the second communication network in the following manner:

Send a second registration request message to the second network function through the second access network device; wherein the second registration request message includes a second parameter, and the second parameter is used to represent that the terminal device has the ability to connect to multiple The communication network has the ability to register, the communication network also includes a second communication network, and the second network function is a network function in the second communication network;

In response to receiving the second registration acceptance message sent by the second network function through the second access network device, it is determined that the terminal device has successfully registered with the second communication network.
The method according to claim 4, characterized in that the second registration acceptance message includes a target network capability parameter, and the target network capability parameter is used to characterize whether the target network is capable of supporting the terminal device in multiple The ability to register with a communication network, the target network including the first communication network and/or the second communication network; sending the first registration request message to the first network function includes:

When it is determined that the target network has the ability to support the registration of the terminal device in multiple communication networks, the first registration request message is sent to the first network function.
The method according to claim 5, characterized in that the first registration acceptance message includes the target network capability parameter.
The method according to claim 4, characterized in that the first registration request message further includes the second parameter.
The method according to claim 4, characterized in that the first registration request message and the second registration request message include the same terminal identification parameter, and the terminal identification parameter is an identification corresponding to the terminal device.
The method of claim 4, wherein the first network function is a first access and mobility management function AMF, and the second network function is a second AMF.
The method according to any one of claims 1 to 9, characterized in that the plurality of communication networks are all 3GPP networks.
A registration method, characterized in that it is applied to the first network function, and the method includes:

In response to receiving the first registration request message sent by the terminal device through the first access network device, sending a third registration request message to the third network function; wherein the first registration request message and the third registration request message all include a first parameter, the first parameter is used to represent that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is the first communication network The network function in , the third network function is a network function that provides user data management functions;

In response to receiving the third registration acceptance message sent by the third network function, sending a first registration acceptance message to the terminal device through the first access network device.
The method according to claim 11, wherein the third registration request message further includes a first network type and/or a first network identifier corresponding to the first communication network.
The method according to claim 11, wherein the first registration request message and the third registration request message each further include a second parameter, and the second parameter is used to represent that the terminal device has the capability to The ability to register with multiple communication networks, the communication network further including a second communication network.
The method according to claim 13, characterized in that the first registration acceptance message includes a target network capability parameter, and the target network capability parameter is used to represent whether the target network is capable of supporting the terminal device in multiple The ability to register with a communication network, and the target network includes the first communication network and/or the second communication network.
The method according to claim 11, characterized in that the first network function is a first access and mobility management function AMF, and the third network function is a unified data management UDM.
The method according to any one of claims 11 to 15, characterized in that the plurality of communication networks are all 3GPP networks.
A registration method, characterized in that it is applied to the second network function, and the method includes:

In response to receiving the second registration request message sent by the terminal device through the second access network device, sending a fourth registration request message to the third network function; wherein the second registration request message and the fourth registration request message include a second parameter, the second parameter is used to represent that the terminal device has the ability to register with multiple communication networks, the communication network includes a first communication network and a second communication network, the second network The function is a network function in the second communication network;

In response to receiving the fourth registration acceptance message sent by the third network function, a second registration acceptance message is sent to the terminal device through the second access network device.
The method according to claim 17, wherein the fourth registration request message further includes a second network type and/or a second network identifier corresponding to the second communication network.
The method according to claim 17, characterized in that both the second registration request message and the fourth registration request message further include a first parameter, the first parameter is used to characterize the terminal device’s multi-purpose Register with a communication network.
The method according to claim 17, characterized in that the second registration acceptance message includes a target network capability parameter, and the target network capability parameter is used to represent whether the target network is capable of supporting the terminal device in multiple The ability to register with a communication network, and the target network includes the first communication network and/or the second communication network.
The method of claim 17, wherein the second network function is a second AMF, and the third network function is a unified data management (UDM).
The method according to any one of claims 17 to 21, characterized in that the plurality of communication networks are all 3GPP networks.
A registration method, characterized in that it is applied to a third network function, and the method includes:

In response to receiving the third registration request message sent by the first network function, determining whether the terminal device and the first communication network both have the ability to support the terminal device to register in multiple communication networks; wherein the third registration request The message includes a first parameter, the first parameter is used to represent that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is the first communication network Network functions in;

When it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks, a third registration acceptance message is sent to the first network function.
The method according to claim 23, wherein the third registration request message further includes a first network type and/or a first network identifier corresponding to the first communication network.
The method of claim 23, further comprising:

In response to receiving the fourth registration request message sent by the second network function, register the terminal device in the second communication network; wherein the fourth registration request message includes a second parameter, and the second parameter is In order to represent that the terminal device has the ability to register with multiple communication networks, the communication network includes a first communication network and the second communication network, and the second network function is a network in the second communication network. Function;

If it is determined that the terminal device is successfully registered in the second communication network, a fourth registration acceptance message is sent to the second network function.
The method according to claim 25, wherein the fourth registration request message further includes a second network type and/or a second network identifier corresponding to the second communication network.
The method according to claim 25, wherein the fourth registration request message further includes the first parameter.
The method according to claim 25, characterized in that each of the third registration request messages also includes the second parameter.
The method of claim 25, wherein the first network function is a first access and mobility management function AMF, the second network function is a second AMF, and the third network function is a unified Data management UDM.
The method according to any one of claims 23 to 29, characterized in that the plurality of communication networks are all 3GPP networks.
A registration device, characterized in that it is applied to terminal equipment, and the device includes:

The first sending module is configured to send a first registration request message to the first network function through the first access network device; wherein the first registration request message includes a first parameter, and the first parameter is used to characterize The terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network function is a network function in the first communication network;

The first determination module is configured to determine that the terminal device has successfully registered in the first communication network in response to receiving the first registration acceptance message sent by the first network function through the first access network device; wherein, The first registration acceptance message is that the first network function determines according to the first registration request message that both the terminal device and the first communication network are capable of supporting the terminal device to register in multiple communication networks. ability to send messages.
A registration device, characterized in that it is applied to the first network function, and the device includes:

The second sending module is configured to send a third registration request message to the third network function in response to receiving the first registration request message sent by the terminal device through the first access network device; wherein the first registration request message and the third registration request message both include a first parameter, the first parameter is used to indicate that the terminal device registers with multiple communication networks, the communication network includes a first communication network, and the first network The function is a network function in the first communication network, and the third network function is a network function that provides a user data management function;

The third sending module is configured to send a first registration acceptance message to the terminal device through the first access network device in response to receiving the third registration acceptance message sent by the third network function.
A registration device, characterized in that it is applied to the second network function, and the device includes:

The fourth sending module is configured to send a fourth registration request message to the third network function in response to receiving a second registration request message sent by the terminal device through the second access network device; wherein the second registration request message and the fourth registration request message both include a second parameter. The second parameter is used to indicate that the terminal device has the ability to register with multiple communication networks. The communication network includes a first communication network and a second communication network. Communication network, the second network function is a network function in the second communication network;

The fifth sending module is configured to send a second registration acceptance message to the terminal device through the second access network device in response to receiving the fourth registration acceptance message sent by the third network function.
A registration device, characterized in that it is applied to the third network function, and the device includes:

The second determination module is configured to, in response to receiving the third registration request message sent by the first network function, determine whether the terminal device and the first communication network both have the ability to support the terminal device to register in multiple communication networks; Wherein, the third registration request message includes a first parameter, and the first parameter is used to indicate that the terminal device registers with multiple communication networks. The communication network includes a first communication network, and the first network The function is a network function in the first communication network;

The sixth sending module is configured to send a third sending module to the first network function when it is determined that both the terminal device and the first communication network have the ability to support the terminal device to register in multiple communication networks. 3. Register to receive messages.
A registration device, characterized in that the device includes:

processor;

Memory used to store instructions executable by the processor;

wherein the processor is configured to perform the steps of the method described in any one of claims 1 to 10, or the processor is configured to perform the steps of the method described in any one of claims 11 to 16, Alternatively, the processor is configured to perform the steps of the method of any one of claims 17 to 22, or the processor is configured to perform the steps of the method of any one of claims 23 to 30.
A computer-readable storage medium with computer program instructions stored thereon, characterized in that when the computer program instructions are executed by a processor, the steps of the method described in any one of claims 1 to 10 are implemented, or, The computer program instructions, when executed by a processor, implement the steps of the method of any one of claims 11 to 16, or the computer program instructions, when executed by the processor, implement the steps of the method of any one of claims 17 to 22. Alternatively, the computer program instructions implement the steps of the method of any one of claims 23 to 30 when executed by a processor.
A chip, characterized in that it includes a processor and an interface; the processor is used to read instructions to execute the steps of the method according to any one of claims 1 to 10, or the processor is used to read instructions to Perform the steps of the method described in any one of claims 11 to 16, or the processor is configured to read instructions to perform the steps of the method described in any one of claims 17 to 22, or the processor is configured to Instructions are read to perform the steps of the method of any one of claims 23 to 30.