Voice group call service news processing method

Abstract

The present invention discloses phonetic group calling service message processing method, for saving A interface signaling resource between MSC and BSC. When need to make VGCS operation zone is plurality of cell or all cell in BSC, MSC carries identification indicating plurality of cell gather or all cell gather in message sent to BSC, BSC according to said identification indication executing VGCS operation in specified zone.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a message processing technology for a voice group call service (Voice Group Call Service, referred to as "VGCS"). Background technique [0002] As we all know, railway is a main artery of national economy, and railway communication is the main artery of railway transportation production. Establishing a safe, reliable and sustainable railway system is related to the national economy and people's livelihood. GSM for Railway mobile communication system (GSM for Railway, referred to as "GSM-R"), which has been widely tested in Europe, as an advanced technical system, provides a powerful, rich, stable and reliable integrated information system for railway special communication The development of the platform in our country has also been put on the agenda, and its application prospects should not be underestimated. [0003] GSM-R is a railway-specific mobile communication ...

AI Technical Summary

Problems solved by technology

[0018] In practical applications, the above scheme has the following problems: the signaling resources of the A interface are wasted

[0019] The main reason for this situation is that, according to the existing specifications, the information element "Cell Identifier List" in the group call assignment request message received by the BSC contains the identifiers of all the cells belonging to the BSC in the group call area, When the number of cells belonging to the BSC in the group call area is large, too many cell identities will increase the length of the group call assignment request message and occupy more A interface signaling resources

[0020] In addition, if the length of the group call assignment request message reaches the threshold specified in the specification, and there are still cell identities that need to be notified to the BSC, the MSC needs to send one or more group call area cell information messages to notify the BSC of all the The identification of the cell belonging to the BSC in the group call area increases the number of messages between the MSC and the BSC and occupies more A interface signaling resources

However, the group call area cell information message also contains "Cell Identifier List", or contains other information elements with the same content as "Cell IdentiferList", which causes a waste of signaling resources on the A interface to a certain extent

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