Method for optimizing voice group call establishment process

A voice group call and group call technology, which is applied in electrical components, wireless communication, connection management, etc., can solve the problems that voice group calls cannot be successfully established, and there are no detailed regulations for interaction, so as to improve the probability of successful establishment and efficient information The effect of interaction

Inactive Publication Date: 2009-07-29
BEIJING JIAOTONG UNIV
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Problems solved by technology

[0009] Since the 3GPP (3rd Generation Partnership Project, third-generation mobile communication partner) voice group call protocol has no effect on the interaction between the mobile service switching center (Mobile Switch Center, MSC) and the group call register (Group Call Register, GCR) during the group call e

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  • Method for optimizing voice group call establishment process

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Embodiment Construction

[0015] In the establishment stage of the voice group call service, there are two signalings for the interaction between the mobile service switching center and the group call register, namely: "group call attribute request" and "group call attribute result", mainly for verification and group call ID and whether the group call reference corresponding to the initiating cell exists and whether the group call is in progress, and finally the mobile service switching center will obtain the attribute parameters of the group call. In order to make devices from different manufacturers better meet the interconnection and intercommunication requirements of the voice group call service, the present invention proposes a detailed flow of the two signalings of "group call attribute request" and "group call attribute result".

[0016] The group call attribute request signaling is that the mobile service switching center requests the group call register for the attribute of the group call, and ...

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Abstract

The invention is a method for optimizing voice group calling establishing process, suitable for GSM-R system. a group calling property request signaling and a group calling property result signaling between the mobile service switching center and the group calling register are related in a group calling establishing process. Aiming at the problem of interconnection and intercommunication because the 3GPP voice group calling establishing establish protocol prescription is not clear, the invention provides the complete interaction flow and content of the two signalings, realizes efficient information interaction, increases voice group establishing success probability, while has no change to the existing signaling quantity and signaling data structure; and enable the voice group calling service to be better applied in the railway which is a special environment.

Description

technical field [0001] The invention relates to mobile communication technology, in particular to a voice group call technology used in the GSM-R system. Background technique [0002] GSM-R (GSM-Railway, railway integrated digital mobile communication system) system is based on GSM public mobile communication technology, develops together with GSM, and can replace various existing railway communication and control systems with a single platform. system. [0003] GSM-R system is a comprehensive dedicated digital mobile communication system specially designed for railway communication. Based on the advanced voice call functions of the GSM Phase2+ standard protocol, such as group call, broadcast call, multi-priority preemption and forced demolition, it adds functions such as location-based addressing and function addressing, which are suitable for railway communications, especially The need for railway-specific dispatch communications. It mainly provides voice communication ...

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Application Information

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IPC IPC(8): H04W4/08H04W76/02
Inventor 钟章队朱刚陈皓赵留俊杨焱蒋文怡许荣涛李旭武贵君
Owner BEIJING JIAOTONG UNIV
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