Method for solving re-establishment conflict in handover process and mobile terminal

A mobile terminal and switching process technology, applied in connection management, wireless communication, electrical components, etc., can solve problems such as dropped calls, achieve the effect of increasing the success rate of switching, reducing the rate of dropped calls, and reducing the probability of re-establishment failure

Active Publication Date: 2018-05-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and mobile terminal for solving re-establishment conflicts in the handover process, which can solve the problem of call drop, dedicated bearer being released, and re-established multiple times caused by re-establishment conflicts in the contention handover process question

Method used

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  • Method for solving re-establishment conflict in handover process and mobile terminal
  • Method for solving re-establishment conflict in handover process and mobile terminal
  • Method for solving re-establishment conflict in handover process and mobile terminal

Examples

Experimental program
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Effect test

Embodiment 1

[0033] When the mobile terminal retransmits the handover reconfiguration complete message to the target base station, that is, the number of times of message 3 reaches the maximum number of retransmissions, after judging that the state of the T304 timer has timed out, and then judging that the T311 timer or the T301 timer has not timed out, It is forbidden to execute the re-establishment process of the radio resource control connection caused by retransmitting the handover reconfiguration complete message to the target base station, that is, the number of times of message 3 reaching the maximum number of retransmissions.

Embodiment 2

[0035] When the mobile terminal retransmits the handover and reconfiguration complete message to the target base station, that is, the number of message 3 reaches the maximum number of retransmissions, after judging that the state of the T304 timer has not expired, it is forbidden to execute the handover and reconfiguration completion message due to retransmission to the target base station. The message is the re-establishment process caused by the number of message 3 reaching the maximum number of retransmissions. After waiting for the state of the T304 timer to be timed out, initiate the re-establishment process of the radio resource control connection caused by the timeout of the T304 timer.

Embodiment 3

[0037]When the mobile terminal retransmits the handover and reconfiguration complete message to the target base station, that is, the number of message 3 reaches the maximum number of retransmissions, after judging that the state of the T304 timer has not expired, kill the T304 timer, and initiate a retransmission The RRC connection re-establishment process caused by the handover reconfiguration complete message reaching the maximum number of retransmissions.

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Abstract

The invention discloses a method for solving re-establishment conflicts in the handover process and a mobile terminal. During the random access process of competitive handover, the mobile terminal judges that the number of retransmissions of the handover and reconfiguration completion message to the target base station, that is, message three, reaches the maximum number of times. According to the state of the T304 timer, determine the way to execute the radio resource control (RRC) connection re-establishment process. The present invention provides a method for solving re-establishment conflicts in contention handover, solves the problems of call drop, dedicated bearer being released, and re-establishment multiple times caused by re-establishment conflicts in the process of contention handover, reduces the probability of re-establishment failure, and reduces the Scenarios with call drop rate increase the handover success rate, enhance the user's sense of real-time experience, and improve the operator's network quality.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for resolving re-establishment conflicts in a handover process and a mobile terminal. Background technique [0002] With the advancement of the 3rd Generation Partnership Project (3GPP) technology, the communication industry accelerates the commercial promotion of the Long Term Evolution (LTE) system, and the LTE technology has been increasingly adopted. People have accepted and mastered it, and technical documents and regulations have also been improved. In just a few years, the LTE protocol has experienced multiple versions of development, with richer content, more comprehensive functions, and more accurate details. However, with the commercialization of the LTE system As the number of scenarios increases, the actual application will reflect the unconsidered aspects of the protocol. [0003] In the current protocol, during the handover process of the user...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W76/19
Inventor 向浩求陈中明郄小丹
Owner ZTE CORP
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