具有协同干扰的非可信中继系统的大型天线分析

Xing Tan, Rui Zhao, Yuanjian Li
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引用次数: 3

摘要

在瑞利衰落信道中,为了提高多天线不可信中继系统的保密性能,提出了一种新的全双工最优天线选择目标干扰(FDJ-OAS)方案。提出了传统的半双工目标干扰方案和与OAS相结合的无干扰方案,并与FDJ-OAS进行了比较。在大规模天线分析中,得到了fj - oas遍历可达保密率和最优功率分配系数的近似封闭表达式。仿真结果表明,解析曲线与仿真曲线吻合较好,且FDJ-OAS方案优于其他两种方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Large-scale antennas analysis of untrusted relay system with cooperative jamming
In Rayleigh fading channels, a novel full-duplex destination jamming with optimal antenna selection (FDJ-OAS) scheme is proposed to improve the secrecy performance of the untrusted relay system with multiple-antenna destination. The traditional half-duplex destination jamming scheme and the nonjamming scheme both combined with OAS are presented to compare with FDJ-OAS. The approximate closed-form expressions of ergodic achievable secrecy rate and optimal power allocation factor for FDJ-OAS are significantly derived in the large-scale antennas analysis. Furthermore, simulation results show that, the analytical curves match well with the simulation curves, and the FDJ-OAS is superior to the other two schemes.
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