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Method and system for acquiring current optimization code encoding/decoding mode information in mobile communication network

A technology of mobile communication network and codec method, which is applied in the field of signaling transmission, can solve problems such as unresolved, and achieve the effect of simple operation and improved service quality

Inactive Publication Date: 2008-12-24
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0004] The existing technical solutions do not solve the problem of how to know the current preferred codec mode when TRAU codec processing is performed on the MSC

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  • Method and system for acquiring current optimization code encoding/decoding mode information in mobile communication network
  • Method and system for acquiring current optimization code encoding/decoding mode information in mobile communication network
  • Method and system for acquiring current optimization code encoding/decoding mode information in mobile communication network

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present invention easier to understand, the technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] The mobile communication network to which the present invention is applied includes a mobile terminal (MS), a mobile switching center (MSC), a base station controller (BSC) and an A interface between the MSC and the BSC. These three communication nodes, MS, MSC and BSC, are in different protocol layers from low to high in the communication network.

[0038] Especially in the GSM system based on IP, TRAU and MSC are deployed together, and TRAU is a part of MSC, and they are connected by internal interface.

[0039] In such a deployment mode, the information acquisition method of the current preferred codec mode proposed by the present invention mainly involves the following three processes, see figure ...

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Abstract

The invention discloses an information acquisition method of current optimal codec manner in mobile communication network and a system. The mobile communication network comprises a mobile terminal MS, a mobile switching center MSC, a base station controller BSC and an interface A between the MSC and the BSC. An optimal codec manner request module on the MSC transmits a message to inform the BSC to report information of the current optimal codec manner; an optimal codec manner report module on the BSC reports the information of the determined current optimal codec manner to the MSC in response to the information message transmitted by the MSC; and an optimal codec manner storage module on the MSC receives the message from the BSC and stores the information of the current optimal codec manner contained in the received message. The method only expands the current message, and can achieve the information acquisition of the current optimal codec manner of the BSC without changing signaling flow of control surface of the interface A, thereby improving the service quality of the wireless communication.

Description

technical field [0001] The present invention relates to signaling transmission between communication nodes in the field of mobile communication, in particular to a method and system for obtaining information of the currently preferred codec mode in a mobile communication network. Background technique [0002] In the Global System for Mobile Communications (GSM, Global System for Mobile Communications), when the A interface between the Base Station Controller (BSC, Base Station Controller) and the Mobile Switching Center (MSC, Mobile Switching Centre) is based on Time Division Multiplexing (TDM, When Time Division Multiple) is carried, the TRAU, Transcoder / Rate Adapter Unit (TRAU, Transcoder / Rate Adapter Unit) is deployed in the BSC, and the MSC can carry the codec (codec) list to the BSC through the channel assignment message. and / or other codec selection strategies to determine the appropriate codec type. TRAU has the functions of voice coding, code conversion and speed ad...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04Q7/32
Inventor 凌军庞秀峰温占波
Owner ZTE CORP
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