Secrecy Performance of Full-Duplex Space-Air-Ground Integrated Networks in the Presence of Active/Passive Eavesdropper, and Friendly Jammer

IF 2.5 4区计算机科学 Q3 TELECOMMUNICATIONS Transactions on Emerging Telecommunications Technologies Pub Date : 2024-11-20 DOI:10.1002/ett.70024

Ayse Betul Buyuksar, Eylem Erdogan, Ibrahim Altunbas

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Abstract

In this paper, a full-duplex (FD) space-air ground integrated network (SAGIN) system with passive and active eavesdroppers (PE/AE) and a friendly jammer (FJ) is investigated. The shadowing side information (SSI)-based unmanned aerial vehicle relay node (URN) selection strategy is considered to improve signal-to-interference plus noise power ratio (SINR) at the ground destination unit. To quantify the secrecy performance of the considered scenario, outage probability (OP), interception probability (IP), and transmission secrecy outage probability (TSOP) are investigated in the presence of FJ and PE/AE. The results have shown that aerial AE is an important threat since it can severely degrade the OP of the main transmission link. Furthermore, the FJ can decrease the IP of the eavesdropper by causing interference with the cost of power consumption of URNs. Simulations are performed to verify the theoretical findings.

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存在主动/被动窃听器和友好干扰器时的全双工空地一体化网络的保密性能

本文研究了带有被动和主动窃听器（PE/AE）以及友方干扰器（FJ）的全双工（FD）空-空-地一体化网络（SAGIN）系统。研究考虑了基于阴影侧信息（SSI）的无人机中继节点（URN）选择策略，以提高地面目的地单元的信号干扰加噪声功率比（SINR）。为了量化所考虑方案的保密性能，研究了 FJ 和 PE/AE 存在时的中断概率 (OP)、截获概率 (IP) 和传输保密中断概率 (TSOP)。结果表明，空中 AE 是一个重要威胁，因为它会严重降低主传输链路的 OP。此外，FJ 还会以 URN 的功耗为代价造成干扰，从而降低窃听者的 IP。为验证理论结论，我们进行了仿真。

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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来源期刊

Transactions on Emerging Telecommunications Technologies TELECOMMUNICATIONS-

CiteScore

8.90

自引率

13.90%

发文量

249

期刊介绍： ransactions on Emerging Telecommunications Technologies (ETT), formerly known as European Transactions on Telecommunications (ETT), has the following aims: - to attract cutting-edge publications from leading researchers and research groups around the world - to become a highly cited source of timely research findings in emerging fields of telecommunications - to limit revision and publication cycles to a few months and thus significantly increase attractiveness to publish - to become the leading journal for publishing the latest developments in telecommunications