Code design with high rates based on quasi-orthogonal space-time block code

WANG An-guo; SHEN Qiong; NIE Zhong-er

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Code design with high rates based on quasi-orthogonal space-time block code

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- Code design with high rates based on quasi-orthogonal space-time block code
- Vol. 32, Issue 2, Pages: 139-143(2011)
- 作者机构：
  
  天津大学电子信息工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN914
- Published：2011
- 稿件说明：
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WANG An-guo, SHEN Qiong, NIE Zhong-er. Code design with high rates based on quasi-orthogonal space-time block code[J]. 2011, 32(2): 139-143.
DOI：

WANG An-guo, SHEN Qiong, NIE Zhong-er. Code design with high rates based on quasi-orthogonal space-time block code[J]. 2011, 32(2): 139-143. DOI：

摘要

为了适应通信系统对高速率大容量的需求

设计了码率为2及1.5的非正交空时分组码。在此基础上

采用简化了的条件最大似然译码方法

可以大大降低译码复杂度。仿真结果表明

该编码设计具有接近实际信道容量的特点

并且其误比特率性能优于正交及准正交编码设计。

Abstract

In order to meet the needs of high-speed and large-capacity in communication system

the novel non-orthogonal space-time block code with code rates 2 and 1.5 were proposed

respectively.The simplified conditional maximum-likelihood algorithm is adopted to reduce the decoding complexity.The simulation results show that the channel capacities of proposed code are very close to the actual value

and the BER performance is better than that of the orthogonal and quasi-orthogonal codes.

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