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Physical layer security in RIS-aided communication systems: Secrecy performance analyses

delete2025-06-26
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PRE
AI
M
Mustafa Namdar
A
Arif Başgümüş
S
Serdar Özgür Ata
S
Sultan Aldırmaz-Çolak
DOI:10.1016/j.dsp.2025.105417delete
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摘要

摘要

En 中文
本研究探讨了在存在窃听者的情况下,一种新型可重构智能表面(RIS)辅助无线通信系统的保密性能。该研究旨在表征在单天线基站(BS)通过RIS向单天线合法用户发送机密信息,且存在单天线窃听者的城市无线网络场景下的隐私性能。具体而言,推导出了新的平均保密容量和近似保密容量表达式。进一步考察了合法用户接收机和单天线窃听者的保密中断概率(SOP)场景。最后,进行了渐近SOP分析,以获得对所考虑系统模型的深入见解。此外,还考虑了不完美信道状态信息(CSFI)这一在实用RIS辅助系统中至关重要因素对可实现保密性能的影响。验证表明,分析结果与仿真结果一致,证实了所推导的封闭形式方程的准确性。从广泛的仿真结果可以看出,增加RIS单元数量可同时提升平均保密容量和SOP性能。

期刊

Signal Processing 封面图
Signal Processing
IF:
3.6
论文数:
10.0K
被引数:
1.7W

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