The Optimization Between Processing Gain and Coding Gain in Convolution Coded Forward Error-correction CDMA System

李兴明; 胡健栋

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The Optimization Between Processing Gain and Coding Gain in Convolution Coded Forward Error-correction CDMA System

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- The Optimization Between Processing Gain and Coding Gain in Convolution Coded Forward Error-correction CDMA System
- Acta Electronica Sinica Issue 7, (1996)
- 作者机构：
  
  北京邮电大学电信工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN914.5
- Published：1996
- 稿件说明：
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[1]李兴明,胡健栋.卷积码前向纠错CDMA系统中处理增益与编码增益的优化[J].电子学报,1996(07):114-116+120.

李兴明, 胡健栋. The Optimization Between Processing Gain and Coding Gain in Convolution Coded Forward Error-correction CDMA System[J]. Acta Electronica Sinica, 1996, (7).
[1]李兴明,胡健栋.卷积码前向纠错CDMA系统中处理增益与编码增益的优化[J].电子学报,1996(07):114-116+120. DOI：

李兴明, 胡健栋. The Optimization Between Processing Gain and Coding Gain in Convolution Coded Forward Error-correction CDMA System[J]. Acta Electronica Sinica, 1996, (7). DOI：

摘要

前向纠错技术与扩频相配合，是提高ＣＤＭＡ系统性能的重要手段之一，但是，在获得编码增益的同时，扩频的处理增益会降低。本文研究了在扩频码分多址系统中采用卷积码前向纠错时，在保证信息传输速率和系统总带宽不变的条件下，处理增益与编码增益之间的相互协调和折衷。

Abstract

The combination of error-correction with spread-spectrum is one of the important means to improve the performance of CDMA system

however

while coding gain is obtained

processing gain will decrease.In this paper

we discuss the coordination and trade-off between processing gain and coding gain when convolution code is applied to spread-spectrum CDMA system on condition that the total system bandwidth and information rate are fixed.

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