Iterative channel estimation and decoding algorithm for quasi-coherent demodulation of Turbo coded GMSK signals

WU Tuan-feng; YANG Xi-gen

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Iterative channel estimation and decoding algorithm for quasi-coherent demodulation of Turbo coded GMSK signals

更新时间：2024-10-14

- Iterative channel estimation and decoding algorithm for quasi-coherent demodulation of Turbo coded GMSK signals
- Issue 7, Pages: 106-111(2006)
- 作者机构：
  
  1. 解放军理工大学通信工程学院
  2. 解放军理工大学通信工程学院,江苏,南京,210007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.2
- Published：2006
- 稿件说明：
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WU Tuan-feng, YANG Xi-gen. Iterative channel estimation and decoding algorithm for quasi-coherent demodulation of Turbo coded GMSK signals[J]. 2006, (7): 106-111.
DOI：

WU Tuan-feng, YANG Xi-gen. Iterative channel estimation and decoding algorithm for quasi-coherent demodulation of Turbo coded GMSK signals[J]. 2006, (7): 106-111. DOI：

摘要

针对准相干解调Turbo编码GMSK信号

提出了一种简便的迭代信道估计算法。该方法基于Turbo码的迭代译码原理

将信道估计和译码联合考虑

利用译码器输出反馈进行迭代信道估计

从而提高了估计精度。仿真结果表明

该方法能显著地改善系统误码率性能。

Abstract

A new simple iterative channel estimation algorithm for quasi-coherent demodulation Turbo coded GMSK signals was presented. Based on the iterative decoding principle of Turbo code

the algorithm improved the channel esti- mation accuracy using output of decoder. Numerous simulation results show that the proposed algorithm can improve bit error rate （BER） performance dramatically.

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