Performance of selection diversity systems in a Nakagami fading environment

R. Sannegowda, V. Aalo
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引用次数: 7

Abstract

Closed form results for the symbol error probabilities are derived for M-ary, L branch selection diversity system in a Nakagami fading environment using noncoherent frequency-shift keying modulation. The maximum SNR selection and the maximum output selection schemes are considered. The analysis is not limited to integer values of the Nakagami fading parameter m. Results for the Rayleigh fading channel are obtained and presented as special cases of those of the Nakagami fading model. The symbol error probability when the diversity branches undergo different fading statistics with unequal mean SNR are considered for the maximum SNR selection scheme. Outage probabilities are also calculated for the maximum SNR selection scheme.<>
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Nakagami衰落环境下选择多样性系统的性能
对采用非相干移频键控调制的中上衰落环境下的m、L支路选择分集系统,导出了符号误差概率的封闭形式结果。考虑了最大信噪比选择和最大输出选择方案。本文的分析不仅限于Nakagami衰落参数m的整数值,还得到了Rayleigh衰落信道的结果,并作为Nakagami衰落模型的特殊情况给出。在最大信噪比选择方案中,考虑了分集支路在不同平均信噪比的衰落统计量下的码元误差概率。对于最大信噪比选择方案,还计算了中断概率。
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