Network Context Retrieval for Multi-Connectivity Resumption
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Solution Overview
Problem
The implementation steps for resuming a multi-connection mode by a terminal device are complex, involve a large number of signaling procedures, and result in significant delays, leading to low network transmission efficiency.
Innovation Solution
A communication method where a first network device sends a request to a second network device to obtain context information of a terminal device, allowing the first network device to resume the multi-connection mode by obtaining context information from the original master and secondary network devices, thereby simplifying the steps and reducing signaling procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the terminal device initiates a resume request to establish a session connection to obtain context information, then the multi-connection mode can be resumed, but the implementation steps become complex and signaling procedures increase
Solution Approach 1:
The network device pre-obtains and stores context information of the terminal device before the terminal needs to resume communication. When resumption is needed, the network device directly retrieves the pre-stored context information rather than requiring the terminal to initiate complex session establishment procedures, thereby simplifying the resumption process while ensuring reliability
2Reliability
If the terminal device establishes a session connection to obtain context information from the network device, then the multi-connection mode can be resumed, but signaling procedures and delay increase
Solution Approach 1:
Context information is obtained and stored by the network device in advance before the terminal device needs to resume communication. This preliminary action eliminates the need for time-consuming session establishment and information retrieval procedures at the moment of resumption, significantly reducing signaling delay while maintaining reliable connection restoration
3Reliability
If the terminal device sends context information to the new master network device through session connection, then the multi-connection mode can be resumed, but network transmission efficiency decreases
Solution Approach 1:
The network device pre-obtains and stores context information before the terminal needs to resume communication. This eliminates the need for the terminal to send context information through lengthy session establishment procedures, thereby improving network transmission efficiency while ensuring the reliability of multi-connection mode resumption
Data Source
AI summary
Embodiments of this application provide a communication method, a communications apparatus, and a storage medium. The communication method includes: sending, by a new master network device, a request to an original master network device, to request context information of a terminal device on the original master network device and an original secondary network device; and receiving the context information of the terminal device on the original master network device and the original secondary network device from the original master network device. This application can effectively simplify implementation steps of resuming a multi-connectivity mode by the terminal device, reduce signaling procedures, and shorten a delay, thereby improving network transmission efficiency.