Search

CN-122001857-A - IMS communication test system and communication method

CN122001857ACN 122001857 ACN122001857 ACN 122001857ACN-122001857-A

Abstract

The application provides an IMS communication test system and a communication method, wherein the system comprises a main control center, an access network module, a mobile core network module, an IMS server module and a data driving processing module, wherein the main control center is respectively connected with the mobile core network module and the IMS server module, the mobile core network module is connected with the access network module, the IMS server module is connected with the data driving processing module, the data driving processing module is connected with the access network module, the main control center is an operation maintenance center of the system, the access network module is used for realizing the access network function required by the test, the mobile core network module is used for realizing the mobile core network function required by the test, the IMS server module is used for realizing the IMS core network function required by the test, and the data driving processing module is used for carrying out the forwarding treatment of signaling flow and media flow between the access network module and the IMS server module.

Inventors

  • HAO ZHANJUN

Assignees

  • 大唐联仪科技有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (10)

  1. 1. An IMS communication test system, comprising: the system comprises a main control center, an access network module, a mobile core network module, an IMS server module and a data driving processing module; The main control center is respectively in communication connection with the mobile core network module and the IMS server module, the mobile core network module is in communication connection with the access network module, the IMS server module is in communication connection with the data driving processing module, and the data driving processing module is in communication connection with the access network module; The main control center is an operation maintenance center of the IMS communication test system, the access network module is used for realizing the access network function required by the IMS communication test, the mobile core network module is used for realizing the mobile core network function required by the IMS communication test, the IMS server module is used for realizing the IMS core network function required by the IMS communication test, and the data driving processing module is used for forwarding the signaling flow and the media flow between the access network module and the IMS server module.
  2. 2. The IMS communication test system of claim 1, wherein the communication connection is a Socket connection.
  3. 3. An IMS communication test system according to claim 1 or 2, wherein the mobile core network functions implemented by the mobile core network module include access and mobility management functions, session management functions and policy control functions.
  4. 4. An IMS communication test system according to claim 1 or 2, wherein the IMS core network functions implemented by the IMS server module include a call session control function and a border gateway function.
  5. 5. The IMS communication test system of claim 4, wherein the call session control functions include a proxy call session control function, a serving call session control function, and a query call session control function.
  6. 6. A communication method performed based on an IMS communication test system according to any of claims 1 to 5, comprising: The first terminal and the second terminal respectively send a registration request to the IMS server module through the access network module and the data driving processing module; After successful registration, the first terminal sends an INVITE message to the IMS server module through the access network module and the data driving processing module, and the IMS server module forwards the INVITE message to the second terminal; After receiving the 183 message responded by the second terminal, the IMS server module forwards the 183 message to the first terminal, and sends a media update notification to the mobile core network module through the master control center, wherein the media update notification is used for triggering the mobile core network module to initiate establishment of a media channel between the first terminal and the second terminal; after the media channel is established successfully, the first terminal and the second terminal carry out session based on the media channel.
  7. 7. The communication method according to claim 6, wherein the sending, by the key center, a media update notification to the mobile core network module includes: The IMS server module respectively sends a first media update notification and a second media update notification to the mobile core network module through the main control center; The first media update notification is used for triggering the mobile core network module to initiate PDU session modification of the second terminal so as to establish a media channel between the second terminal and the IMS server module, and the second media update notification is used for triggering the mobile core network module to initiate PDU session modification of the first terminal so as to establish the media channel between the first terminal and the IMS server module.
  8. 8. The communication method according to claim 7, wherein, The mobile core network module initiates PDU session modification of the second terminal, including: The mobile core network module sends a first PDU session modification command to the second terminal through the access network module, and the access network module sends an RRC reconfiguration message to the second terminal based on the first PDU session modification command; The mobile core network module initiates PDU session modification of the first terminal, including: The mobile core network module sends a second PDU session modification command to the first terminal via the access network module, and the access network module sends an RRC reconfiguration message to the first terminal based on the second PDU session modification command.
  9. 9. The communication method according to claim 7, characterized in that the method further comprises: After receiving the BYE message sent by the first terminal, the IMS server module respectively sends a third media update notification and a fourth media update notification to the mobile core network module through the main control center; The third media update notification is used for triggering the mobile core network module to initiate PDU session modification of the first terminal so as to release a media channel between the first terminal and the IMS server module, and the fourth media update notification is used for triggering the mobile core network module to initiate PDU session modification of the second terminal so as to release the media channel between the second terminal and the IMS server module.
  10. 10. The communication method of claim 6, wherein the media update notification carries an IP address assigned by the IMS server module for media streaming.

Description

IMS communication test system and communication method Technical Field The present application relates to the field of wireless communications technologies, and in particular, to an IMS communication test system and a communication method. Background An internet protocol multimedia system (Internet Protocol MultiMedia System, IMS) communication test instrument (or IMS communication test system) is a device for performing functional tests such as call for a terminal accessing an IMS network, and needs to implement functions of an access network, a mobile core network, and an IMS core network at the same time. However, if The IMS communication test system is built fully according to The network elements and interface designs of The access network, the mobile core network and The IMS core network defined by The third generation partnership project (The 3rd Generation Partnership Project,3GPP) standard, the system is complex and costly, and is not suitable for The test scenario. Disclosure of Invention The application provides an IMS communication test system and a communication method, which are used for meeting the requirement of performance test on an IMS network. In a first aspect, the present application provides an IMS communication test system, comprising: the system comprises a main control center, an access network module, a mobile core network module, an IMS server module and a data driving processing module; The main control center is respectively in communication connection with the mobile core network module and the IMS server module, the mobile core network module is in communication connection with the access network module, the IMS server module is in communication connection with the data driving processing module, and the data driving processing module is in communication connection with the access network module; The main control center is an operation maintenance center of the IMS communication test system, the access network module is used for realizing the access network function required by the IMS communication test, the mobile core network module is used for realizing the mobile core network function required by the IMS communication test, the IMS server module is used for realizing the IMS core network function required by the IMS communication test, and the data driving processing module is used for forwarding the signaling flow and the media flow between the access network module and the IMS server module. In some embodiments, the communication connection is a Socket connection. In some embodiments, the mobile core network functions implemented by the mobile core network module include access and mobility management functions, session management functions, and policy control functions. In some embodiments, the IMS core network functions implemented by the IMS server module include call session control functions and border gateway functions. In some embodiments, the call session control functions include a proxy call session control function, a serving call session control function, and a query call session control function. In a second aspect, the present application also provides a communication method performed based on the IMS communication test system according to the first aspect, comprising: the first terminal and the second terminal respectively send a registration request to the IMS server module through the access network module and the data driving processing module; after successful registration, the first terminal sends an INVITE message to an IMS server module through an access network module and a data driving processing module, and the IMS server module forwards the INVITE message to the second terminal; After receiving the 183 message responded by the second terminal, the IMS server module forwards the 183 message to the first terminal, and sends a media update notice to the mobile core network module through the main control center, wherein the media update notice is used for triggering the mobile core network module to initiate the establishment of a media channel between the first terminal and the second terminal; after the media channel is established successfully, the first terminal and the second terminal carry out session based on the media channel. In some embodiments, sending, by the hosting center, a media update notification to the mobile core network module includes: The IMS server module respectively sends a first media update notification and a second media update notification to the mobile core network module through the main control center; The first media update notification is used for triggering the mobile core network module to initiate PDU session modification of the second terminal so as to establish a media channel between the second terminal and the IMS server module, and the second media update notification is used for triggering the mobile core network module to initiate PDU session modification of the first terminal so as to establish the me