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arXiv 2009.00328cs.ITmath.IT
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两跳译码转发混合RF/UWOC系统的秘密中断分析

Secrecy Outage Analysis of Two-Hop Decode-and-Forward Mixed RF/UWOC Systems

Yi Lou, Ruofan Sun, Julian Cheng, Donghu Nie, Gang Qiao

摘要:

分析了采用解码转发中继的两跳射频/水下混合无线光通信系统的保密性能。所有RF和UWOC链路分别由$α-μ$和指数广义Gamma分布建模。我们首先推导出的秘密中断概率(SOP)的表达式,在精确的封闭形式,随后用于推导渐近表达式在高信噪比,只包括简单的功能,以进一步了解。此外,基于渐近表达式,我们可以确定各种RF和UWOC信道条件下的最佳发射功率。所有的分析都使用Monte Carlo模拟进行了验证。

英文摘要:

We analyze the secrecy performance of a two-hop mixed radio frequency (RF)/underwater wireless optical communication (UWOC) system using a decode-and-forward (DF) relay. All RF and UWOC links are modeled by the $α-μ$ and exponential-generalized Gamma distributions, respectively. We first derive the expressions of the secrecy outage probability (SOP) in exact closed-form, which are subsequently used to derive asymptotic expressions at high SNR that only includes simple functions for further insight. Moreover, based on the asymptotic expression, we can determine the optimal transmit power for a wide variety of RF and UWOC channel conditions. All analyses are validated using Monte Carlo simulation.

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