Study of speech codec strategy over IP in 2G/3G network

马洪源; 于娟娟; 卜忠贵

doi:10.13992/j.cnki.tetas.2014.01.005

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Study of speech codec strategy over IP in 2G/3G network

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- Study of speech codec strategy over IP in 2G/3G network
- Vol. 27, Issue 1, Pages: 69-73(2014)
- 作者机构：
  
  1. 中国移动通信集团设计院有限公司
  2. 中国移动通信集团河南有限公司
- 作者简介：
- 基金信息：
- DOI：10.13992/j.cnki.tetas.2014.01.005
  CLC： TN929.5
- Published：2014
- 稿件说明：
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[1]马洪源,于娟娟,卜忠贵.2G/3G网络IP化语音编解码协商策略部署研究[J].电信工程技术与标准化,2014,27(01):69-73.

马洪源, 于娟娟, 卜忠贵. Study of speech codec strategy over IP in 2G/3G network[J]. 2014, 27(1): 69-73.
[1]马洪源,于娟娟,卜忠贵.2G/3G网络IP化语音编解码协商策略部署研究[J].电信工程技术与标准化,2014,27(01):69-73. DOI： 10.13992/j.cnki.tetas.2014.01.005.

马洪源, 于娟娟, 卜忠贵. Study of speech codec strategy over IP in 2G/3G network[J]. 2014, 27(1): 69-73. DOI： 10.13992/j.cnki.tetas.2014.01.005.

摘要

A接口IP化改造的规模部署

使2G/3G网络电路域具备了IP化语音实现TrFO的条件。本文针对A接口IP化后实现TrFO中遇到的问题

分析了统一编解码策略（GCP）部署的必要性。同时结合GCP测试中出现的问题

重点研究基于A接口IP化的GCP部署中面临的一些问题

并给出了相应的解决方案。

Abstract

With the scale deployment of A interface transformed from TDM to IP

the transcoder free operation（TrFO） in circuit domain of 2G/3G network can make possible.By discussing problems in the TrFO

this paper analyzes the necessity of implementing GCP after AoIP.Combined with the GCP test in labs

this paper researches the difficulties of GCP during the implementation and proposes solutions against these problems.

关键词

Keywords

references

TFO、TrFO技术应用研究 [J]. 王红线,李泳,赵杰. 电信工程技术与标准化 . 2011(07)

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北京邮电大学网络与交换技术国家重点实验室

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