CN110944364B - Packet network information transmission method and network equipment - Google Patents

Packet network information transmission method and network equipment Download PDF

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Publication number
CN110944364B
CN110944364B CN201811119282.1A CN201811119282A CN110944364B CN 110944364 B CN110944364 B CN 110944364B CN 201811119282 A CN201811119282 A CN 201811119282A CN 110944364 B CN110944364 B CN 110944364B
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mme
amf
communication interface
paging message
terminal
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CN110944364A (en
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杜晓宁
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a packet network information transmission method and network equipment, wherein a communication interface is arranged between an access and mobility management function (AMF) and a Mobility Management Entity (MME), and the method comprises the following steps: acquiring a paging message initiated by an MME through a communication interface; and sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message. The invention can realize the joint attachment between packet networks, and can monitor the paging messages in different connection modes simultaneously through a single-pass mode.

Description

Packet network information transmission method and network equipment
Technical Field
The present invention relates to the field of communications, and in particular, to a packet network information transmission method and network device.
Background
In the fifth generation (5)thGeneration, 5G) independent networking (SA) network deployment, 5G and Generation 2 (2)thGeneration, 2G)/3 rd Generation (3)thGeneration, 3G)/fourth Generation (4)thGeneration, 4G) fusion core network. Considering the upgrade capability and the evolution mode of the network element of the existing network, an operator may wish to adopt a 2G/3G/4G and 5G core network allocation and non-convergence scheme deployment, as shown in fig. 1, under the allocation scheme, a terminal is required to support a dual-pass mode, for example: the terminal can be registered, dual-standby and dual-communication in 2G/3G/4G/super Voice LTE (Voice over LTE) and 5G. Or for example, the dual-card, dual-standby, and dual-active terminal, that is, two access modes of the dual-standby terminal can be registered, dual-standby, and dual-active in 2G/3G/4G/VoLTE and 5G. The bi-pass scheme has high requirements on the terminal from realization to power consumption, so that the common terminal is mostly single pass, that is, in a connected state, a downlink paging channel in another connection mode cannot be monitored, and therefore, a single-card terminal and a dual-card terminal attached to a 5G network and in the connected state can miss paging of a called voice short message service in an 2/3/4G network.
Disclosure of Invention
In order to solve the technical problem, the invention provides a packet network information transmission method and network equipment, which solve the problem that a terminal cannot monitor paging messages in different connection modes in 5G independent networking deployment.
According to an aspect of the present invention, there is provided a packet network information transmission method, which is applied to an access and mobility management function, AMF, where a communication interface is provided between the AMF and a mobility management entity, MME, and the method includes:
acquiring a paging message initiated by an MME through a communication interface;
and sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
According to an aspect of the present invention, there is also provided a network device, where the network device is an access and mobility management function AMF, where a communication interface is provided between the AMF and a mobility management entity MME, and the network device includes: a processor; a memory coupled to the processor, and a transceiver coupled to the processor; the processor is used for calling and executing programs and data stored in the memory;
the transceiver is configured to: acquiring a paging message initiated by an MME through a communication interface; and
and sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
According to an aspect of the present invention, there is also provided a network device, where the network device is an access and mobility management function AMF, where a communication interface is provided between the AMF and a mobility management entity MME, and the network device includes:
a first obtaining module, configured to obtain, through a communication interface, a paging message initiated by an MME;
and the first sending module is used for sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
According to an aspect of the present invention, there is also provided a packet network information transmission method, applied to a mobility management entity MME, where a communication interface is provided between the MME and an access and mobility management function AMF, the method including:
sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to the terminal;
and the response terminal initiates a fallback procedure according to the paging message.
According to an aspect of the present invention, there is also provided a network device, where the network device is a mobility management entity MME, where a communication interface is provided between the MME and an access and mobility management function AMF, and the network device includes: a processor; a memory coupled to the processor, and a transceiver coupled to the processor; the processor is used for calling and executing programs and data stored in the memory;
the transceiver is configured to: sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to the terminal;
the processor is configured to: and the response terminal initiates a fallback procedure according to the paging message.
According to an aspect of the present invention, there is also provided a network device, where the network device is a mobility management entity MME, where a communication interface is provided between the MME and an access and mobility management function AMF, and the network device includes:
a third sending module, configured to send a paging message to the AMF through the communication interface, so that the AMF sends the paging message to the terminal;
and the first response module is used for responding to a fallback flow initiated by the terminal according to the paging message.
According to an aspect of the present invention, there is also provided a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the steps of the packet network information transmission method described above.
The embodiment of the invention has the beneficial effects that: the joint attachment between packet networks can be realized, and the paging messages under different connection modes can be monitored simultaneously through a single-pass mode.
Drawings
FIG. 1 is a schematic diagram of a network architecture of a packet network;
FIG. 2 is a first flowchart of a packet network information transmission method according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a network architecture of a packet network according to an embodiment of the present invention;
fig. 4 is a first schematic block diagram of a network device according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating a packet network information transmission method according to an embodiment of the present invention;
fig. 6 is a schematic block diagram of a network device according to an embodiment of the present invention;
fig. 7 shows a block diagram of a network device of an embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In addition, the terms "system" and "network" are often used interchangeably herein.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
As shown in fig. 2, an embodiment of the present invention provides a packet network information transmission method, which is applied to an Access and mobility Management Function (AMF), where a communication interface is disposed between the AMF and a Mobility Management Entity (MME), and the method specifically includes the following steps:
step 21: and acquiring the paging message initiated by the MME through a communication interface between the AMF and the MME.
As shown in fig. 3, the communication interface may be referred to as a 5G SGs' interface. The communication interface is a first interface based on SCTP protocol, or the communication interface is a second interface based on HTPP2 protocol. That is, the 5G SGs' interface is similar to the Gs interface between SGSN-MSC in 2G network, the SGs interface between MME-MSC in 4G network, and exists between AMF and MME of 5G.
Based on the 5G SGs' interface, the system can support the functions of joint attachment (joint attachment and updating), detachment, paging and issuing of downlink voice short message service and the like from the AMF attached to the 5G of the terminal to the MME. In this embodiment, taking paging as an example for explanation, after receiving a paging message, the MME may send the paging message to the AMF through the communication interface, and accordingly, the AMF may receive the paging message through the communication interface.
Step 22: and sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
After receiving the paging message of the MME, the AMF forwards the paging message to the terminal, so that the terminal initiates a fallback procedure to the MME according to the paging message. For example, after receiving the paging message, the terminal in the connected state or the idle state initiates a fallback procedure to 4G, 3G, or 2G.
Therefore, even if the terminal is attached to the 5G network, the 5G network and the 2G/3G/4G network can be jointly attached due to the communication interface between the AMF of the 5G network and the MME of the 2G/3G/4G network, the terminal can normally receive the paging message of the 2G/3G/4G network, and execute a corresponding fallback procedure after receiving the paging message to finish the transmission of the 2G/3G/4G service.
The paging message in the embodiment of the present invention includes domain information related to the MME. For example, the paging message may include domain information of 2/3G CS, 4G PS, etc.
When a communication interface exists between the AMF and the MME, the transmission of the paging message, that is, the paging procedure between different access technologies, may be realized, and joint attachment, attachment update, detachment, and the like between different access technologies may also be realized.
Taking the joint attachment as an example, step 21 further includes: and acquiring the configuration information of the MME through the communication interface. Specifically, the step of obtaining the configuration information of the MME through the communication interface further includes: and initiating an attachment process to the MME according to the configuration information. When the terminal is in 5G attachment registration, after the AMF completes the 5G attachment flow, the AMF automatically executes a combined attachment flow to the MME according to the terminal type and local configuration, such as RA-TA-MME mapping relation. And the AMF sends an attachment request to the MME, and after the MME receives the attachment request, the MME + MSC combined attachment or MME single attachment process is executed according to the subscription according to the existing attachment process.
When the terminal moves in 5G, the update of the MME can be initiated according to the AMF local configuration. In this scenario, step 21 is preceded by: and the AMF updates the configuration information of the MME through the communication interface. Specifically, the step of updating the configuration information of the MME through the communication interface further includes: and initiating an attachment updating process to the MME according to the configuration information. Namely, the AMF initiates an attachment updating process to the MME according to the updated configuration information of the MME.
Taking the detach as an example, after the joint attach from the AMF to the MME, that is, after the step of the AMF initiating the attach procedure to the MME according to the configuration information, or after the step of initiating the attach update procedure to the MME according to the configuration information, the method further includes: and initiating a detachment process to the MME according to the attachment state of the terminal and the MME. For example, when the terminal is powered off, the AMF initiates a detach procedure to the MME according to the attach state of the MME.
The packet network information transmission method of the embodiment of the invention can realize the joint attachment between packet networks, and can monitor the paging messages in different connection modes simultaneously through a single-pass mode.
The above embodiments are respectively described with respect to the packet network information transmission method of the present invention, and the following embodiments will further describe the corresponding network device with reference to the accompanying drawings.
Specifically, the network device in the embodiment of the present invention is an access and mobility management function AMF, and a communication interface is provided between the AMF and a mobility management entity MME, as shown in fig. 4, the network device 400 includes:
a first obtaining module 410, configured to obtain, through a communication interface, a paging message initiated by an MME;
a first sending module 420, configured to send a paging message to the terminal, so that the terminal initiates a fallback procedure to the MME according to the paging message.
Wherein the paging message includes domain information associated with the MME.
Wherein, the network device 400 further includes:
and the second acquisition module is used for acquiring or updating the configuration information of the MME through the communication interface.
Wherein, the network device 400 further includes:
the first initiating module is used for initiating an attaching process to the MME according to the configuration information;
alternatively, the first and second electrodes may be,
and the second initiating module is used for initiating an attachment updating process to the MME according to the configuration information.
Wherein, the network device 400 further includes:
and the third initiating module is used for initiating a detach process of the MME according to the attachment state of the terminal and the MME.
The communication interface is a first interface based on an SCTP (stream control transmission protocol) protocol, or the communication interface is a second interface based on an HTPP2 protocol.
The embodiment of the network equipment of the invention is corresponding to the embodiment of the method, all the implementation means in the embodiment of the method are suitable for the embodiment of the network equipment, and the same technical effect can be achieved. The network equipment can realize the joint attachment between packet networks, and can monitor paging messages in different connection modes simultaneously through a single-pass mode.
The packet network information transmission method according to the embodiment of the present invention is described above from the AMF side, and the embodiment of the present invention will further describe the method from the MME side.
An embodiment of the present invention provides a packet network information transmission method, which is applied to a mobility management entity MME, and as shown in fig. 3, a communication interface is provided between the MME and an access and mobility management function AMF. As shown in fig. 5, the method comprises the steps of:
step 51: and sending a paging message to the AMF through a communication interface between the MME and the AMF, so that the AMF sends the paging message to the terminal.
The communication interface may be referred to as a 5G SGs' interface, among others. The communication interface is a first interface based on SCTP protocol, or the communication interface is a second interface based on HTPP2 protocol. That is, the 5G SGs' interface is similar to the Gs interface between SGSN-MSC in 2G network, the SGs interface between MME-MSC in 4G network, and exists between AMF and MME of 5G. When the MME receives the paging message, the MME may send the paging message to the AMF through the communication interface. The paging message may come from a Mobile Switching Center (MSC) through an SGs interface or from a Serving Gateway (SGW) through S11.
Further, the paging message in the embodiment of the present invention includes domain information related to the MME. For example, the paging message may include domain information of 2/3G CS, 4G PS, etc.
Step 52: and the response terminal initiates a fallback procedure according to the paging message.
And after receiving the paging message, the terminal initiates a fallback flow to the 2G/3G/4G.
After step 52, the method further comprises: under the condition that the terminal falls back to the MME, if the terminal initiates a Timing Advance Update (TAU) procedure, the AMF state is set to the deactivated state. That is, when the terminal returns to 4G, if the TAU procedure is initiated, the 5G SGs status is set to inactive by the MME.
When a communication interface exists between the AMF and the MME, the transmission of the paging message can be realized, and joint attachment, attachment update, detachment, and the like between different access technologies can also be realized.
Taking the joint attachment as an example, step 51 further includes: and sending the configuration information of the MME to the AMF through a communication interface so that the AMF initiates an attachment flow or an attachment updating flow to the MME. Further, after the step of sending the configuration information of the MME to the AMF through the communication interface, the method further includes: responding to an attachment flow initiated by the AMF; or in response to an attachment update procedure initiated by the AMF. When the terminal is in 5G attachment registration, after the AMF completes the 5G attachment flow, the AMF automatically executes a combined attachment flow to the MME according to the terminal type and local configuration, such as RA-TA-MME mapping relation. And the AMF sends an attachment request to the MME, and after the MME receives the attachment request, the MME + MSC combined attachment or MME single attachment process is executed according to the subscription according to the existing attachment process. When the terminal moves in 5G, the update of the MME can be initiated according to the AMF local configuration. In this scenario, the configuration information sent by the MME to the AMF over the communication interface is updated.
Taking the detach as an example, after the joint attachment of the AMF and the MME, that is, after the step of responding to the attachment procedure initiated by the AMF, or after the step of responding to the attachment update procedure initiated by the AMF, the method further includes: in response to the AMF initiated detach flow. For example, when the terminal is powered off, the AMF initiates a detach procedure to the MME according to the attach state of the MME.
The packet network information transmission method of the embodiment of the invention can realize the joint attachment between packet networks, and can monitor the paging messages in different connection modes simultaneously through a single-pass mode.
The foregoing embodiment describes a packet network information transmission method according to the present invention, and the following embodiment further describes a corresponding network device with reference to the accompanying drawings.
Specifically, the network device in the embodiment of the present invention is a mobility management entity MME, and a communication interface is provided between the MME and the AMF, as shown in fig. 6, the network device 600 includes:
a second sending module 610, configured to send a paging message to the AMF through the communication interface, so that the AMF sends the paging message to the terminal;
a first response module 620, configured to respond to a fallback procedure initiated by the terminal according to the paging message.
Wherein the paging message includes domain information associated with the MME.
Wherein, the network device 600 further includes:
a fourth sending module, configured to send, to the AMF, the configuration information of the MME through the communication interface, so that the AMF forwards the configuration information to the terminal.
Wherein, the network device 600 further includes:
the second response module is used for responding to the attachment flow initiated by the AMF;
alternatively, the first and second electrodes may be,
and the third response module is used for responding to the attachment updating process initiated by the AMF.
Wherein, the network device 600 further includes:
and the fourth response module is used for responding to the detach flow initiated by the terminal or the AMF.
Wherein, the network device 600 further includes:
and the processing module is used for setting the AMF state as a deactivation state if the terminal initiates a timing advance update TAU flow under the condition that the terminal falls back to the MME.
The communication interface is a first interface based on an SCTP (stream control transmission protocol) protocol, or the communication interface is a second interface based on an HTPP2 protocol.
The embodiment of the network equipment of the invention is corresponding to the embodiment of the method, all the implementation means in the embodiment of the method are suitable for the embodiment of the network equipment, and the same technical effect can be achieved. The network equipment can realize the joint attachment between packet networks, and can monitor paging messages in different connection modes simultaneously through a single-pass mode.
In order to better achieve the above object, as shown in fig. 7, an embodiment of the present invention further provides a network device, where the network device includes: a processor 700; a memory 720 connected to the processor 700 through a bus interface, and a transceiver 710 connected to the processor 700 through a bus interface; the memory 720 is used for storing programs and data used by the processor in performing operations; transmitting data information or pilot frequency through the transceiver 710, and receiving an uplink control channel through the transceiver 710; when the processor 700 calls and executes the programs and data stored in the memory 720, the following functions are implemented:
when the network device is an access and mobility management function AMF, a communication interface is provided between the AMF and a mobility management entity MME, and the transceiver 710 is configured to: acquiring a paging message initiated by an MME through a communication interface; and
and sending the paging message to the terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
Wherein the paging message includes domain information associated with the MME.
Wherein the transceiver 710 is further configured to: and acquiring or updating the configuration information of the MME through a communication interface.
Wherein, the processor 700 is further configured to: initiating an attachment process to the MME according to the configuration information;
or, initiating an attach update procedure to the MME according to the configuration information.
Wherein the transceiver 710 is further configured to: and initiating a detachment process to the MME according to the attachment state of the terminal and the MME.
The communication interface is a first interface based on an SCTP (stream control transmission protocol) protocol, or the communication interface is a second interface based on an HTPP2 protocol.
When the network device is a mobility management entity MME, a communication interface is provided between the MME and an access and mobility management function AMF, and the transceiver 710 is configured to: sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to the terminal;
the processor 700 is configured to: and the response terminal initiates a fallback procedure according to the paging message.
Wherein the paging message includes domain information associated with the MME.
Wherein the transceiver 710 is further configured to: sending the configuration information of the MME to the AMF through a communication interface so that the AMF forwards the configuration information to the terminal.
Wherein, the processor 700 is further configured to: responding to an attachment flow initiated by the AMF; or in response to an attachment update procedure initiated by the AMF.
Wherein, the processor 700 is further configured to: responding to the detach flow initiated by the terminal or the AMF.
Wherein, the processor 700 is further configured to: and under the condition that the terminal falls back to the MME, if the terminal initiates a timing advance update TAU flow, setting the AMF state as a deactivation state.
The communication interface is a first interface based on an SCTP (stream control transmission protocol) protocol, or the communication interface is a second interface based on an HTPP2 protocol.
Where in fig. 7, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 700 and memory represented by memory 720. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 710 may be a number of elements including a transmitter and a transceiver providing a means for communicating with various other apparatus over a transmission medium. The processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 may store data used by the processor 700 in performing operations.
Those skilled in the art will appreciate that all or part of the steps for implementing the above embodiments may be performed by hardware, or may be instructed to be performed by associated hardware by a computer program that includes instructions for performing some or all of the steps of the above methods; and the computer program may be stored in a readable storage medium, which may be any form of storage medium.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (25)

1. A packet network information transmission method is applied to an access and mobility management function (AMF), and is characterized in that a communication interface is arranged between the AMF and a Mobility Management Entity (MME), and the method comprises the following steps:
acquiring or updating the configuration information of the MME through the communication interface;
acquiring a paging message initiated by the MME through the communication interface;
and sending the paging message to a terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
2. The packet network information transmission method according to claim 1, wherein the paging message includes domain information associated with the MME.
3. The packet network information transmission method according to claim 1, wherein after the step of acquiring the configuration information of the MME through the communication interface, the method further comprises:
initiating an attach procedure to the MME according to the configuration information;
alternatively, the first and second electrodes may be,
after the step of updating the configuration information of the MME through the communication interface, the method further includes:
and initiating an attachment updating process to the MME according to the configuration information.
4. The packet network information transmission method according to claim 3, wherein after the step of initiating the attach procedure to the MME according to the configuration information or after the step of initiating the attach update procedure to the MME according to the configuration information, the method further comprises:
and initiating a detachment process to the MME according to the attachment state of the terminal and the MME.
5. The packet network information transmission method according to claim 1, wherein the communication interface is a first interface based on an SCTP protocol, or the communication interface is a second interface based on an HTPP2 protocol.
6. A network device, the network device is an access and mobility management function (AMF), a communication interface is arranged between the AMF and a Mobility Management Entity (MME), and the network device comprises: a processor; a memory coupled to the processor, and a transceiver coupled to the processor; the processor is used for calling and executing the programs and the data stored in the memory;
the transceiver is configured to: acquiring or updating the configuration information of the MME through the communication interface;
the transceiver is further configured to: acquiring a paging message initiated by the MME through the communication interface; and
and sending the paging message to a terminal so that the terminal initiates a fallback procedure to the MME according to the paging message.
7. The network device of claim 6, wherein the paging message comprises domain information associated with the MME.
8. The network device of claim 6, wherein the processor is further configured to:
initiating an attach procedure to the MME according to the configuration information;
alternatively, the first and second electrodes may be,
and initiating an attachment updating process to the MME according to the configuration information.
9. The network device of claim 8, wherein the transceiver is further configured to:
and initiating a detachment process to the MME according to the attachment state of the terminal and the MME.
10. The network device according to claim 6, wherein the communication interface is a first interface based on SCTP protocol or a second interface based on HTPP2 protocol.
11. A network device, the network device is an access and mobility management function (AMF), a communication interface is arranged between the AMF and a Mobility Management Entity (MME), and the network device comprises:
a first obtaining module, configured to obtain or update configuration information of the MME through the communication interface; acquiring a paging message initiated by the MME through the communication interface;
a first sending module, configured to send the paging message to a terminal, so that the terminal initiates a fallback procedure to the MME according to the paging message.
12. A packet network information transmission method is applied to a Mobile Management Entity (MME), and is characterized in that a communication interface is arranged between the MME and an access and mobile management function (AMF), and the method comprises the following steps:
sending configuration information of the MME to the AMF through the communication interface so that the AMF initiates an attachment flow or an attachment update flow to the MME;
sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to a terminal;
and responding to a fallback flow initiated by the terminal according to the paging message.
13. The packet network information transmission method of claim 12, wherein the paging message includes domain information associated with the MME.
14. The packet network information transmission method according to claim 12, wherein after the step of sending the configuration information of the MME to the AMF via the communication interface, the method further comprises:
responding to the attachment flow initiated by the AMF;
alternatively, the first and second electrodes may be,
responding to the AMF initiated attachment updating flow.
15. The method of claim 14, wherein after the step of responding to the AMF-initiated attach procedure or after the step of responding to the AMF-initiated attach update procedure, further comprising:
responding to the detach flow initiated by the AMF.
16. The packet network information transmission method according to claim 12, wherein after the step of sending the paging message to a terminal so that the terminal initiates a fallback procedure to the MME according to the paging message, the method further comprises:
and under the condition that the terminal falls back to the MME, if the terminal initiates a timing advance update TAU flow, setting the AMF state as a deactivation state.
17. The packet network information transmission method according to claim 12, wherein the communication interface is a first interface based on an SCTP protocol, or the communication interface is a second interface based on an HTPP2 protocol.
18. A network device, the network device is a Mobility Management Entity (MME), a communication interface is arranged between the MME and an access and mobility management function (AMF), and the network device comprises: a processor; a memory coupled to the processor, and a transceiver coupled to the processor; the processor is used for calling and executing the programs and the data stored in the memory;
the transceiver is configured to: sending configuration information of the MME to the AMF through the communication interface so that the AMF initiates an attachment flow or an attachment update flow to the MME;
the transceiver is further configured to: sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to a terminal;
the processor is configured to: and responding to a fallback flow initiated by the terminal according to the paging message.
19. The network device of claim 18, wherein the paging message comprises domain information associated with the MME.
20. The network device of claim 18, wherein the processor is further configured to:
responding to the attachment flow initiated by the AMF; or responding to the attachment updating flow initiated by the AMF.
21. The network device of claim 20, wherein the processor is further configured to:
responding to the detach flow initiated by the AMF.
22. The network device of claim 18, wherein the processor is further configured to:
and under the condition that the terminal falls back to the MME, if the terminal initiates a timing advance update TAU flow, setting the AMF state as a deactivation state.
23. The network device of claim 18, wherein the communication interface is a first interface based on an SCTP protocol or the communication interface is a second interface based on an HTPP2 protocol.
24. A network device, the network device is a Mobility Management Entity (MME), a communication interface is arranged between the MME and an access and mobility management function (AMF), and the network device comprises:
a third sending module, configured to send, through the communication interface, the configuration information of the MME to the AMF, so that the AMF initiates an attach procedure or an attach update procedure to the MME; and sending a paging message to the AMF through the communication interface, so that the AMF sends the paging message to a terminal;
and the first response module is used for responding to a fallback procedure initiated by the terminal according to the paging message.
25. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the packet network information transmission method according to one of claims 1 to 5, or carries out the steps of the packet network information transmission method according to one of claims 12 to 17.
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