Method, device and system for changing group call information of wireless broadband trunking

A wireless broadband and information change technology, applied in the field of mobile communications, can solve the problems of increasing signaling plane processing delay, increasing signaling plane processing delay or processing complexity, increasing cross-flow processing complexity, etc., to avoid processing Complexity and the effect of reducing service establishment delay

Active Publication Date: 2022-04-26
CHENGDU TD TECH LTD
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Problems solved by technology

However, when multiple message processes are executed between the core network and the base station, multiple messages need to be exchanged between the core network and the base station, which will lead to the problem of increasing the processing delay or processing complexity of the signaling plane
Specifically, if serial processing of messages is used between the core network and the base station, the processing delay of the signaling plane will be increased; if parallel processing of messages is used between the core network and the base station, the cross-flow processing of the two network elements will be increased respectively. the complexity

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  • Method, device and system for changing group call information of wireless broadband trunking
  • Method, device and system for changing group call information of wireless broadband trunking
  • Method, device and system for changing group call information of wireless broadband trunking

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[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] The core idea of ​​the present invention is to add information elements in the group call context modification message to carry the TE-RAB change information, so that the group call context modification message can meet the requirements of network elements in the scenario where TE-RAB and GroupCallArea change simultaneously. The need for information interaction does not need to trigger the establishment or modification process of the group call bearer, so that the service establishment delay can be reduced, and the processing complexity caused by the cross process between network elements can be avoided.

[0036] figure 1 It is a schematic flow diagram of the method of the embodiment of the present invention, such as figure 1 As s...

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Abstract

The present application discloses a method, device and system for changing group call information of a wireless broadband cluster, wherein the method includes: when the newly added evolved UTRAN cluster radio access bearer TE-RAB and the group call area GroupCallArea change simultaneously, the core The network uses the group call context modification message to notify the base station of the change information of the corresponding TE-RAB and GroupCallArea; the base station updates the corresponding group call TE-RAB and GroupCallArea according to the group call context modification message. By adopting the present invention, the service establishment time delay and the processing complexity caused by the cross flow between network elements can be reduced.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a method, device and system for changing group call information of a wireless broadband cluster. Background technique [0002] In some business scenarios of wireless broadband trunking, such as emergency group calls, it may happen that the group call area (GroupCallArea) changes while the newly added evolved UTRAN trunking radio access bearer (TE-RAB) changes , specifically the following scenarios: [0003] When the new cluster bears TE-RAB, the GroupCallArea changes; [0004] When the cluster bears TE-RAB, the GroupCallArea is changed; [0005] When the cluster bearing TE-RAB is deleted, the GroupCallArea is changed. [0006] Under the current system protocol, as shown in the following table, in the B-TrunC trunking protocol, the group call context modification message can only modify AMBR and GroupCallArea cells, but cannot add or modify TE-RAB. [0007] [0008] In thi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/08H04W76/10
CPCH04W4/08H04W76/10
Inventor 周武云施荣荣陈迎
Owner CHENGDU TD TECH LTD
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