Study on Some Quantification Issues for Decoding of Turbo Codes with MAP Algorithm

SUN Rong; CHEN Jun; DENG Hao; WANG Xin-mei

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Study on Some Quantification Issues for Decoding of Turbo Codes with MAP Algorithm

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- Study on Some Quantification Issues for Decoding of Turbo Codes with MAP Algorithm
- Acta Electronica Sinica Vol. 29, Issue 10, Pages: 1356-1359(2001)
- 作者机构：
  
  1. 西安电子科技大学,综合业务网国家重点实验室,陕西,西安,710071
  2. 清华大学电子工程系,北京,100084
  3. 西安电子科技大学综合业务网国家重点实验室陕西西安,710071
  4. 清华大学电子工程系北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.22
- Published：2001
- 稿件说明：
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SUN Rong, CHEN Jun, DENG Hao, et al. Study on Some Quantification Issues for Decoding of Turbo Codes with MAP Algorithm[J]. Acta Electronica Sinica, 2001, 29(10): 1356-1359.
DOI：

SUN Rong, CHEN Jun, DENG Hao, et al. Study on Some Quantification Issues for Decoding of Turbo Codes with MAP Algorithm[J]. Acta Electronica Sinica, 2001, 29(10): 1356-1359. DOI：

摘要

针对Turbo码MAP(Max a Probability)译码算法的特点

对其量化方式进行了分析、讨论与仿真;着重讨论了量化范围、量化级数、均匀和非均匀量化等因素对译码器接收比特、前后向递推度量、附加信息和输出似然值的影响;分析了相应的译码性能;得出了较为合理的量化方法.

Abstract

The quantification pattern for the MAP decoding algorithm of Turbo codes is studied.The effect of the bound

level and other parameters for quantification are discussed. The good performance of nonuniform quantification is claimed and a reasonable quantificational method is obtained.

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