Management method of external relay circuit of A interface for code transformer

A relay circuit and management method technology, applied in the field of relay circuit management, can solve problems such as circuit state inconsistency

Inactive Publication Date: 2012-01-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] It can be seen that there may be inconsistencies among the three parties in the circuit state. How to manage these states reasonably is an urgent problem to be solved.

Method used

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  • Management method of external relay circuit of A interface for code transformer
  • Management method of external relay circuit of A interface for code transformer
  • Management method of external relay circuit of A interface for code transformer

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Embodiment Construction

[0038] In order to further illustrate the technical means and effects that the present invention takes to achieve the predetermined purpose, below in conjunction with the accompanying drawings and preferred embodiments, the external A-interface relay circuit management method of the code converter proposed according to the present invention, Details are as follows.

[0039] MSC, BSC, and TC have relay circuit connections among each other, and there are also signaling link connections between MSC and BSC, and between BSC and TC. The embodiment of the present invention is through BSC and MSC, BSC The signaling link with the TC transmits messages, that is, sends the changed circuit state message to other parties in a timely manner, and performs corresponding operations on the relay circuit state of other parties, so that the circuit state of the three parties Synchronize.

[0040] Both the unblocking process and the blocking process on the BSC side must be initiated manually by ...

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Abstract

The invention discloses a method for managing an A interface trunk circuit with an external transcoder. The managing method, by means of a mode to transfer information among a base station controller, a mobile switching center and the transcoder through signaling links, manages the A interface trunk circuit timely when changes happen to the circuit states of the three parties, namely the base station controller, the mobile switching center and the transcoder, and can timely ensure that the circuit states of the base station controller, the mobile switching center and the transcoder in the GSM system are consistent and at the same time avoid the phenomenon that the A interface trunk circuit is wrongly designated to complete voice transmission when faults occur to the circuits which resultsin call failure.

Description

technical field [0001] The present invention relates to a relay circuit management method of a Global System for Mobile Communication (GSM) system, in particular to an external A interface of a code converter TC (Transcoder, hereinafter referred to as TC) A relay circuit management method. Background technique [0002] The GSM system includes a Mobile Switching Center (MSC), a Base Station Controller (BSC), a base station, and a mobile station. In the process of mobile communication, the mobile station sends voice or message to the base station, the base station uploads the received voice or message to the BSC, and the BSC uploads it to the MSC. According to the received information, the BSC jurisdiction area to which the mobile station belongs is found, and then corresponding operation or processing is performed. [0003] The voice transmission rate of the wireless channel coding between the BSC and the base station is 16kbps. The circuit connected between the A interface...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W92/12H04W24/08
Inventor 张艳堃
Owner ZTE CORP
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