Relaying Communications in Cognitive Radio Networks with Energy Scavenging and Artificial Noise: Reliability-Security Trade-off Analysis

2023 IEEE Statistical Signal Processing Workshop (SSP) Pub Date : 2023-07-02 DOI:10.1109/SSP53291.2023.10207994

H. Khuong

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Abstract

Relaying communications (RC) in cognitive radio networks (CRNs) can ameliorate transmission coverage and spectrum utilization efficiency. Notwithstanding, the open nature of CRNs hardly assures security against eavesdropping. To overcome the security problem in CRNs, this paper proposes cognitive radios to transmit concurrently desired signal and artificial noise with appropriate power allocation. Apparently, such a proposal causes a trade-off between security and reliability. Moreover, to enhance energy efficiency, relaying operation should use available energy scavenged from radio frequency sources in CRNs. This paper evaluates a security-reliability trade-off of RC in CRNs with energy scavenging and artificial noise (RCiCRNwESaAN), which may benefit from improvement of transmission coverage, spectrum utilization efficiency, energy efficiency, and security capability. To do this, we recommend explicit intercept and outage probability formulas and then corroborate them by computer simulations. Eventually, multiple results are provided to have insights on RCiCRNwESaAN under these realistic operation conditions.

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具有能量清除和人工噪声的认知无线电网络中继通信:可靠性-安全性权衡分析

认知无线网络中的中继通信(RC)可以提高传输覆盖率和频谱利用率。尽管如此，crn的开放性很难保证不被窃听的安全性。为了克服crn中的安全问题，本文提出了认知无线电，通过适当的功率分配，同时传输所需的信号和人工噪声。显然，这样的提议会导致安全性和可靠性之间的权衡。此外，为了提高能源效率，中继操作应使用从crn射频源中清除的可用能量。本文评估了具有能量清除和人工噪声(RCiCRNwESaAN)的crn中RC的安全可靠性权衡，该权衡可能受益于传输覆盖、频谱利用效率、能量效率和安全能力的提高。为此，我们建议明确的拦截和中断概率公式，然后通过计算机模拟证实它们。最后，提供了多个结果，以深入了解这些实际操作条件下的RCiCRNwESaAN。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2023 IEEE Statistical Signal Processing Workshop (SSP)

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