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Jamming signal and primary interference in spectrum sharing environment: Performance analysis

机译：频谱共享环境中的干扰信号和初级干扰：性能分析

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摘要

Spectrum sharing environment permits secondary users (SUs) to utilize radio spectrum of primary users (PUs) but creates cross-interference between SUs and PUs. Moreover, jamming signal is useful in improving information security by deliberately corrupting received signals at eavesdroppers. The current paper presents an analytical framework on communication reliability and information security, which takes into account jamming signal, primary interference, maximum transmit power constraint, interference power constraint, Rayleigh fading. The analytical framework includes two exact closed-form formulas of detection outage probability and interception outage probability. Its validity is corroborated by computer simulations. Various results illustrate that the primary interference dramatically deteriorates both probabilities while the jamming signal creates their large difference, highlighting its efficacy in enhancing information security.
机译：频谱共享环境允许辅助用户（SUS）利用主要用户（PU）的无线电频谱，但在SUS和PU之间产生交叉干扰。此外，通过故意破坏窃听者的接收信号，干扰信号可用于提高信息安全性。本文介绍了通信可靠性和信息安全性的分析框架，该框架考虑了干扰信号，初级干扰，最大发射功率约束，干扰功率约束，瑞利衰落。分析框架包括检测中断概率和拦截停电概率的两个精确的闭合形式公式。其有效性通过计算机模拟得到证实。各种结果说明了初级干扰显着恶化了概率，而干扰信号会产生大的差异，突出其在提高信息安全方面的功效。

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