Spectrum sensing with multiple receive antennas is addressed in the cognitive radio network under impulsive noise environments. Based on order statistics, we propose a non-linear combining scheme to cope with the heavy-tail characteristics of the probability density function of impulsive noise. Through computer simulations, it is shown that the proposed scheme exhibits better detection performance than the conventional schemes in impulsive noise environments with Rayleigh fading.

中文翻译：

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脉冲噪声环境下多接收天线认知无线电网络的频谱感知

在脉冲噪声环境下的认知无线电网络中解决了具有多个接收天线的频谱感测。基于阶次统计，我们提出了一种非线性组合方案来应对脉冲噪声概率密度函数的重尾特征。通过计算机仿真表明，在具有瑞利衰落的脉冲噪声环境中，所提出的方案比传统方案表现出更好的检测性能。