Narrowband signal detection in correlated Rayleigh fading with a moving antenna

2009 13th International Symposium on Antenna Technology and Applied Electromagnetics and the Canadian Radio Science Meeting Pub Date : 2009-03-24 DOI:10.1109/ANTEMURSI.2009.4805049

A. Broumandan, J. Nielsen, G. Lachapelle

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引用次数: 7

Abstract

The performances of a single moving antenna receiver in detecting a narrowband signal in a correlated Rayleigh fading is considered. The single moving antenna captures spatial samples during antenna displacement that provides a realization of a synthetic antenna array. It is shown that there is a net processing gain in applying synthetic antenna array over keeping antenna stationary. This processing gain is subject to have uncorrelated signals at different antenna position. This paper examines the performance of synthetic array in correlated Rayleigh fading environment. An optimum detector based on Estimator-Correlator (EC) is developed and its performance is compared with that of non-coherent suboptimal Equal-Gain (EG) combiner in different channel correlation scenarios. An extensive set of measurements based on CDMA-2000 pilot signals using stationary and moving antennas are used to experimentally verify these theoretical findings.

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移动天线相关瑞利衰落下的窄带信号检测

考虑了单个移动天线接收机在相关瑞利衰落条件下检测窄带信号的性能。单个移动天线在天线位移期间捕获空间样本，从而提供了合成天线阵列的实现。结果表明，采用合成天线阵列比保持天线静止存在净处理增益。该处理增益受不同天线位置的不相关信号的影响。本文研究了合成阵列在相关瑞利衰落环境下的性能。提出了一种基于估计-相关器(EC)的最优检测器，并在不同信道相关场景下与非相干次优等增益(EG)合成器的性能进行了比较。一套广泛的测量基于CDMA-2000导频信号使用固定和移动天线被用来实验验证这些理论发现。

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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来源期刊

2009 13th International Symposium on Antenna Technology and Applied Electromagnetics and the Canadian Radio Science Meeting

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