基于相关信道发射天线选择的QSTBC系统性能分析

2010 International Conference on Anti-Counterfeiting, Security and Identification Pub Date : 2010-07-18 DOI:10.1109/ICASID.2010.5551357

Qiang Chen, Mingjie Zhuang

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引用次数: 0

摘要

本文推导了具有Jafarkhani码的4个发射天线和2个接收天线的准正交空时分组码(QSTBC)系统的瞬时信噪比表达式，并将其作为空间相关瑞利衰落信道中天线选择的准则。在相关矩阵已知的情况下，研究了带天线选择的QSTBC系统的容量性能和误码性能。计算机仿真结果表明，信道相关会降低QSTBC通信系统的性能。即信道相关会增加系统的误码率，降低系统的容量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performce analysis of QSTBC systems based on transmit antenna selection in correlation channel

In this paper, we derive an expression of the instantaneous signal-to noise ratio (SNR) for 4 transmit antennas and 2 receive antennas quasi-orthogonal space-time block codes (QSTBC) system with Jafarkhani code, which as a criteria of antenna selection in spatial correlated Rayleigh fading channels. Under the condition of the correlation matrix is known, both capacity performance and bit error performance on the QSTBC systems with antenna selection are investigated. Computer simulations results show that channel correlation can degrade the performance of QSTBC communications system. Namely, channel correlation can increase system BER and reduce the capacity of the system.

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2010 International Conference on Anti-Counterfeiting, Security and Identification

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