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首页> 外文期刊>Wireless Communications Letters, IEEE >Ergodic Secrecy Rate of Optimal Source Selection in a Multi-Source System With Unreliable Backhaul
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Ergodic Secrecy Rate of Optimal Source Selection in a Multi-Source System With Unreliable Backhaul

机译:具有不可靠的回程的多源系统中最佳源选择的ergodic保密率

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摘要

The use of multiple source nodes with wireless backhaul is considered for secrecy enhancement through source node selection in future wireless networks. The ergodic secrecy rate (ESR) of optimal source node selection in the presence of multiple eavesdroppers over independent non-identically distributed (INID) Rayleigh fading channels is evaluated in closed-form. At high signal-to-noise ratio (SNR), the ESR is expressed as a simple weighted summation where each term relates to the contribution of an individual source and eavesdropper. An asymptotic analysis shows the effect of the system parameters and backhaul reliability on the performance. The proposed method can provide a generalized solution for the ESR of optimal transmit antenna selection in multi-antenna systems, optimal source node selection, and optimal relay selection with or without unreliable backhaul.
机译:通过未来无线网络中的源节点选择,考虑使用具有无线回程的多个源节点进行保密增强。 在独立非相同分布(INID)瑞利衰落通道上,在多个窃听器存在下,最佳源节点选择的ergodic保密率(ESR)选择以闭合形式。 在高信噪比(SNR)中,ESR表示为简单的加权求和,其中每个术语涉及单个源和窃听器的贡献。 渐近分析显示了系统参数和对性能的回程可靠性的影响。 所提出的方法可以为多天线系统中的最佳发射天线选择的ESR提供全面的解决方案,最佳源节点选择和具有或没有不可靠的回程的最佳继电器选择。

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