Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels

HUANG Bing-gang1; ZHOU Zhi-jie2

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Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels

更新时间：2024-10-14

- Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels
- Vol. 30, Issue 2, Pages: 89-95(2009)
- 作者机构：
  
  1. 西南电子电信技术研究所
  2. 解放军理工大学通信工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN851
- Published：2009
- 稿件说明：
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HUANG Bing-gang1, ZHOU Zhi-jie2. Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels[J]. 2009, 30(2): 89-95.
DOI：

HUANG Bing-gang1, ZHOU Zhi-jie2. Structure and performance of noncoherent receivers for differential space-time modulation in correlated time-varying fading channels[J]. 2009, 30(2): 89-95. DOI：

摘要

针对空间相关时变衰落信道中的差分空时调制系统

推导得出了一种新的基于信道相关矩阵和时变衰落参数的最优非相干接收机结构

并针对几种特殊信道条件对该接收机进行了简化。实际应用该最优接收机时

基于判决反馈得到的数据

提出了一种次优的非相干接收机结构DF-NCR。理论分析和仿真结果表明

在相关时变衰落信道条件下

采用DF-NCR的差分空时调制系统的误码性能优于传统的差分传输模式。

Abstract

Utilizing channel correlation and time-varying fading parameter

a novel optimal noncoherent receiver for dif-ferential space-time modulation in correlated time-varying fading channels was derived.Under several special channels

the optimal receiver was simplified.Based on the decision feedback data

a suboptimal noncoherent receiver named DF-NCR was presented for the application of the optimal receiver.Analysis and simulation results show that the error performance of differential space-time modulation system with the proposed DF-NCR is better than conventional differ-ential transmission method in correlated time-varying fading channels.

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