CN-122002422-A - Network switching method, device, equipment and medium

CN122002422ACN 122002422 ACN122002422 ACN 122002422ACN-122002422-A

Abstract

The application discloses a network switching method, a device, equipment and a medium, which relate to the technical field of communication and are applied to user equipment, and comprise the steps of monitoring service quality indexes of at least two dimensions in the communication process with a source base station; the method comprises the steps of carrying out comprehensive trend analysis on service quality indexes of at least two dimensions to judge whether network switching conditions are met currently or not based on comprehensive trend analysis results, sending a switching request carrying identification information of a target base station to a source base station if the network switching conditions are met, so that the source base station can transmit target difference context information to the target base station based on the switching request, then sending a switching instruction to user equipment, responding to the switching instruction, establishing connection with the target base station based on a dual-activation protocol stack, and releasing connection with the source base station when the connection with the target base station reaches a preset stable state, so as to complete network switching. The application improves the accuracy of the switching trigger time and reduces the transmission overhead while ensuring the switching continuity and reliability.

Inventors

ZHANG PEI
XU SHAOFENG

Assignees

深圳市广和通无线股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260323

Claims (10)

1. A network switching method, applied to a user equipment, comprising: Monitoring quality of service indexes of at least two dimensions in a communication process with a source base station; Performing comprehensive trend analysis on the service quality indexes of the at least two dimensions to judge whether the network switching condition is met currently or not based on the comprehensive trend analysis result; If the network switching condition is met currently, a switching request carrying identification information of a target base station is sent to the source base station, so that the source base station transmits target difference context information to the target base station based on the switching request and then issues a switching instruction to the user equipment; And responding to the switching instruction to establish connection with the target base station based on the dual-activation protocol stack, and releasing the connection with the source base station when the connection with the target base station reaches a preset stable state so as to complete network switching.
2. The network handover method according to claim 1, wherein the performing the integrated trend analysis on the quality of service indexes of the at least two dimensions to determine whether the network handover condition is currently satisfied based on the integrated trend analysis result comprises: Weighting and fusing the service quality indexes of the at least two dimensions based on preset weight coefficients to obtain a comprehensive quality index, and carrying out trend analysis on the comprehensive quality index; If the comprehensive quality index is continuously in a target trend state in a continuous preset number of periods and reaches a preset trend change threshold, judging that the network switching condition is met currently, wherein the target trend state is used for reflecting that the communication quality is in a deteriorated state.
3. The network switching method according to claim 2, further comprising, after the network switching is completed: Recording target parameters in the switching process, wherein the target parameters comprise service quality index change conditions before and after switching, a trend change threshold for triggering switching and a switching result; And adjusting the preset trend change threshold value based on the target parameter by utilizing a machine learning algorithm so as to execute the next network switching process by utilizing the adjusted preset trend change threshold value.
4. The network handover method according to claim 1, wherein before the sending the handover request carrying the identification information of the target base station to the source base station, the method further comprises: acquiring reference signal receiving power and reference signal receiving quality of each neighboring cell base station; Screening each neighboring cell base station based on a first preset criterion to obtain a candidate base station set meeting an access condition, wherein the first preset criterion is that the reference signal receiving power of the candidate base station is larger than a first preset threshold and the reference signal receiving quality is larger than a second preset threshold; and calculating a priority grade for each candidate base station in the candidate base station set based on a second preset criterion, and screening out the candidate base station with the highest priority grade as the target base station.
5. The network handover method according to claim 1, wherein before the source base station transmits target differential context information to the target base station based on the handover request, further comprising: After receiving the switching request, the source base station detects whether the target base station supports a dual-activation protocol stack; and if the target base station supports the dual-activation protocol stack, transmitting the target difference context information to the target base station, otherwise, executing a traditional switching flow, wherein the traditional switching flow is that the user equipment establishes connection with the target base station after releasing the connection with the source base station.
6. The network handover method according to any one of claims 1 to 5, wherein in the process of establishing a connection with the target base station based on the dual-activation protocol stack, the method further comprises: Monitoring a current switching state, and if the current switching state is based on that the preset switching failure condition is met, terminating a connection establishment process with the target base station; And restoring the unidirectional connection with the source base station and sending a message for representing the switching failure to the source base station.
7. The network handover method according to claim 6, wherein the handover failure condition includes: The overtime time of establishing connection with the target base station reaches a preset overtime threshold; and/or the number of continuous failures of receiving signals from the target base station reaches a preset number threshold; and/or receiving a connection rejection message of the target base station.
8. A network switching apparatus, for use in a user equipment, comprising: The index monitoring module is used for monitoring service quality indexes of at least two dimensions in the communication process with the source base station; the switching judging module is used for carrying out comprehensive trend analysis on the service quality indexes of the at least two dimensions so as to judge whether the network switching condition is met currently or not based on the comprehensive trend analysis result; A switching request sending module, configured to send a switching request carrying identification information of a target base station to the source base station if the network switching condition is currently met, so that the source base station transmits target difference context information to the target base station based on the switching request, and then issues a switching instruction to the user equipment; And the switching execution module is used for responding to the switching instruction, establishing connection with the target base station based on the dual-activation protocol stack, and releasing the connection with the source base station when the connection with the target base station reaches a preset stable state so as to complete network switching.
9. An electronic device, comprising: A memory for storing a computer program; a processor for executing the computer program to implement the steps of the network handover method according to any one of claims 1 to 7.
10. A computer readable storage medium for storing a computer program, wherein the computer program when executed by a processor implements the steps of the network handover method according to any one of claims 1 to 7.

Description

Network switching method, device, equipment and medium Technical Field The present invention relates to the field of communications technologies, and in particular, to a network switching method, device, equipment, and medium. Background With the rapid development of mobile communication technology, network handover is a key mechanism for guaranteeing service continuity of User Equipment (UE) during a mobile process. For the handover interruption problem, a dual active protocol stack (Dual Active Protocol Stack, DAPS) handover technique has been introduced, which allows the user equipment to simultaneously maintain connection with the source base station and the target base station during handover, thereby significantly reducing handover interruption time and data packet loss, however, the DAPS handover scheme still has many drawbacks in actual deployment. On the one hand, the switching trigger mechanism is single, and currently, the switching is triggered mainly by the channel measurement index with a single dimension, which is periodically reported by the user equipment, so that the dynamic change of the actual service quality (Quality of Service, qoS) of the service can not be comprehensively reflected, and the switching trigger is easy to be premature, too late or frequently switched. On the other hand, the context synchronization overhead is large, and the current source base station generally needs to completely transfer all the context information of the user equipment to the target base station. In summary, how to improve the accuracy of the switching trigger timing and reduce the transmission overhead while ensuring the switching continuity and reliability is a problem to be solved at present. Disclosure of Invention Accordingly, the present invention is directed to a network switching method, apparatus, device, and medium, which can improve the accuracy of switching trigger timing and reduce transmission overhead while ensuring the switching continuity and reliability. The specific scheme is as follows: In a first aspect, the present application discloses a network switching method, which is applied to a user equipment, and includes: Monitoring quality of service indexes of at least two dimensions in a communication process with a source base station; Performing comprehensive trend analysis on the service quality indexes of the at least two dimensions to judge whether the network switching condition is met currently or not based on the comprehensive trend analysis result; If the network switching condition is met currently, a switching request carrying identification information of a target base station is sent to the source base station, so that the source base station transmits target difference context information to the target base station based on the switching request and then issues a switching instruction to the user equipment; And responding to the switching instruction to establish connection with the target base station based on the dual-activation protocol stack, and releasing the connection with the source base station when the connection with the target base station reaches a preset stable state so as to complete network switching. Optionally, the performing comprehensive trend analysis on the quality of service indexes of the at least two dimensions to determine whether the network switching condition is currently satisfied based on the comprehensive trend analysis result includes: Weighting and fusing the service quality indexes of the at least two dimensions based on preset weight coefficients to obtain a comprehensive quality index, and carrying out trend analysis on the comprehensive quality index; If the comprehensive quality index is continuously in a target trend state in a continuous preset number of periods and reaches a preset trend change threshold, judging that the network switching condition is met currently, wherein the target trend state is used for reflecting that the communication quality is in a deteriorated state. Optionally, after the network handover is completed, the method further includes: Recording target parameters in the switching process, wherein the target parameters comprise service quality index change conditions before and after switching, a trend change threshold for triggering switching and a switching result; And adjusting the preset trend change threshold value based on the target parameter by utilizing a machine learning algorithm so as to execute the next network switching process by utilizing the adjusted preset trend change threshold value. Optionally, before sending the handover request carrying the identification information of the target base station to the source base station, the method further includes: acquiring reference signal receiving power and reference signal receiving quality of each neighboring cell base station; Screening each neighboring cell base station based on a first preset criterion to obtain a candidate base station set