基于η-μ衰落信道的频谱传感

Fabio von Glehn, D. Sanders, U. Dias
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引用次数: 4

摘要

本文对广义衰落信道上能量检测的性能进行了分析,并采用η-μ分布建模。结合多径集群和非同质环境,获得了低衰落、典型衰落和严重衰落等几种不同衰落场景下的接收机运行特性。此外,还评价了在η-μ衰落信道下采用协同频谱方案对检测能力的提高。与瑞利模型进行了比较,发现当它们的公式考虑使用η-μ衰落模型时,频谱传感技术具有很大的灵活性。
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Spectrum sensing over η-μ fading channel
This paper presents the performance analysis of energy detection over generalized fading channels, modeled by the η-μ distribution. Receiver operation characteristics are obtained under several different fading scenarios, including low, typical, and severe fading conditions, with combining both multipath clusters and non-homogeneous environments. In addition, the improvement in detection capability is evaluated when cooperative spectrum schemes are employed under η-μ fading channel. Comparisons are performed against Rayleigh model and a great flexibility is found in spectrum sensing techniques when their formulations consider the use of the η-μ fading model.
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