Performance Analysis of Optimum Diversity Combining for Partially Coherent Frequency-Selective Fading Channel With Intersymbol Interference

被引：2
|
作者：
Smadi, Mahmoud A. [1 ]
Prabhu, Vasant K. [2 ]
Al-Bayati, A. K. S. [1 ]
机构：
[1] Hashemite Univ, Dept Elect Engn, Zarqa 13115, Jordan
[2] Univ Texas Arlington, Arlington, TX 76019 USA
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2008年 / 57卷 / 06期
关键词：
Frequency-selective channel; intersymbol interference (ISI); optimum coherent receiver; partially coherent detection;
D O I：
10.1109/TVT.2008.921614
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The performance of coherent BPSK and QPSK systems in the presence of frequency-selective fading and carrier phase errors is analyzed. Frequency-selective fading channels are modeled as multipath Rayleigh, Nakagami-m, or Rician two-ray fading models wherein the presence of a delayed ray causes inter-symbol interference (ISI). A diversity system with L-branches is used for signal detection using an optimum equal-gain-combining receiver. The effect of ISI on system performance is assessed using a truncated pulse train of the ISI signal. For Rayleigh-faded channels, the simulation result that demonstrates the influence of Doppler spread on system performance was also included. The following two performance criteria are considered: the average bit error probability and the signal-to-noise-ratio (SNR) gain penalty due to ISL.
引用
收藏
页码：3589 / 3597
页数：9
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