Design of single-symbol-decodable QOSTBC with full diversity based on pre-processing

CHENG Wen-jing; LIU Wei; DING Ding; WEI Ji-bo

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Design of single-symbol-decodable QOSTBC with full diversity based on pre-processing

更新时间：2024-10-14

- Design of single-symbol-decodable QOSTBC with full diversity based on pre-processing
- Vol. 31, Issue 8, Pages: 84-90(2010)
- 作者机构：
  
  国防科技大学电子科学与工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.2
- Published：2010
- 稿件说明：
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CHENG Wen-jing, LIU Wei, DING Ding, et al. Design of single-symbol-decodable QOSTBC with full diversity based on pre-processing[J]. 2010, 31(8): 84-90.
DOI：

CHENG Wen-jing, LIU Wei, DING Ding, et al. Design of single-symbol-decodable QOSTBC with full diversity based on pre-processing[J]. 2010, 31(8): 84-90. DOI：

摘要

把预处理的思想应用于更一般的准正交空时分组码(G-QOSTBC)中

使其实现单符号最大似然译码;然后设计合理的符号交织和星座旋转

使其获得全分集并最大化编码增益。仿真分析表明

该编码方案在保证与G-QOSTBC性能几乎相同的前提下

大大降低了译码复杂度;此外

与现有的全分集单符号可译码CIOD(coordinate interleaved orthogonal design)相比

误码率性能一致

但具有更低的峰均比。

Abstract

The method of pre-processing was applied to G-QOSTBC in order to reduce the complexity of decoding

which was single-symbol-decodable.Furthermore

an improved transmit strategy was proposed to achieve full diversity as well as maximum coding gain by constellation rotating and symbol interleaving.Simulation results show that the pro-posed code remarkably decreases the decoding complexity of G-QOSTBC while keeping the similar performance.In ad-dition

the proposed code has the same bit-error-rate（BER） performance as coordinate interleaved orthogonal design（CIOD）

but with a lower peak-to-average ratio（PAR）.

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