Performance Analysis of Diversity Combining over Rayleigh Fading Channels with Impulsive Noise

Performance Analysis of Diversity Combining over Rayleigh Fading Channels with Impulsive Noise
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具有脉冲噪声的瑞利衰落信道分集合并性能分析

DOI:
10.13164/re.2016.0457
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发表时间:
2016-09
期刊:
影响因子:
1.1
通讯作者:
Hua Jingyu
Hua Jingyu
中科院分区:
工程技术4区
文献类型:
--
作者:
Xu Zhijiang;Gong Yi;Wang Kang;Wu Yuan;Lu Weidang;Hua Jingyu

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本文研究了受加性脉冲噪声影响的平坦衰落信道上分集组合的性能分析。具体来说,脉冲噪声遵循对称稳定(S)分布。传统上,这是一个困难的问题,因为一般S - S分布的概率密度函数的解析表达式仍然未知。为了解决这一难题,我们采用傅里叶功率变换,在不做任何近似的情况下,得到了genie辅助接收机的精确误码率表达式和传统线性匹配滤波器接收机的误码率上界。通过蒙特卡罗模拟验证了分析结果。仿真结果表明,本文提出的误码率表达式在整个几何信噪比(GSNR)范围内都有效,优于仅在高GSNR值下有效的先前结果。
This paper investigates the performance analysis of diversity combining over flat fading channels subject to additive impulsive noise. Specifically, the impulsive noise follows the symmetric -stable (S S) distribution. Tradition- ally, this is a dicult problem since the analytical expression for the probability density function of a general S S distri- bution remains unknown. In order to tackle this diculty, we adopt Fourier power transform to obtain an exact bit error rate (BER) expression for the Genie-aided receiver as well as a BER upper bound for the conventional linear matched filter receiver, without taking any approximation. Monte- Carlo simulations are performed to validate our analytical results. The simulation results show that our proposed BER expressions are valid in the whole geometric signal-noise- ratio (GSNR)ranges, thus outperformingthe previous results valid only at high GSNR values.
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