RSMA-aided satellite-aerial-vehicle integrated networks: Secrecy performance evaluation with non-ideal hardware

IF 2.9 3区 计算机科学 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS Journal of Communications and Networks Pub Date : 2024-10-01 DOI:10.23919/JCN.2024.000052
Feng Zhou;Xingwang Li;Jian Cheng;Ji Wang;Kefeng Guo
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Abstract

This work evaluates the secrecy performance for the rate splitting multiple access-aided satellite-aerial-vehicle integrated networks, particularly, non-ideal hardware is further considered at the transmission nodes. To enhance the transmission, rate splitting multiple access scheme is utilized in the considered networks. In addition, multiple unmanned-aerial-vehicles (UAVs) are utilized to help the transmission from the satellite to the vehicle destinations under multiple eavesdroppers. To balance the system performance and complexity, partial selection strategy is applied at the UAVs. Owing to some practical reasons, the direct transmission link is not applied in the considered system. By considering the above the limitations, this paper obtains the exact and asymptotic expressions for the secrecy outage probability to confirm the influences of non-ideal hardware, system parameters and channel parameters on the secrecy performance of the secrecy networks. Moreover, the investigations for the secrecy energy efficiency are also provided in this paper. At last, several representative Monte Carlo simulations are plotted to verify the rightness of the derived results.
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RSMA 辅助卫星-空中-车辆集成网络:非理想硬件的保密性能评估
这项工作评估了速率分裂多重接入辅助卫星-空中-车辆集成网络的保密性能,特别是进一步考虑了传输节点的非理想硬件。为了提高传输性能,在所考虑的网络中采用了速率分离多重接入方案。此外,还利用多个无人飞行器(UAV)在多个窃听器的干扰下帮助从卫星到飞行器目的地的传输。为了平衡系统性能和复杂性,在无人飞行器上采用了部分选择策略。由于一些实际原因,本系统没有采用直接传输链路。考虑到上述限制,本文得到了保密中断概率的精确和渐近表达式,以证实非理想硬件、系统参数和信道参数对保密网络保密性能的影响。此外,本文还对保密能效进行了研究。最后,本文还绘制了几幅具有代表性的蒙特卡罗模拟图,以验证推导结果的正确性。
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
CiteScore
6.60
自引率
5.60%
发文量
66
审稿时长
14.4 months
期刊介绍: The JOURNAL OF COMMUNICATIONS AND NETWORKS is published six times per year, and is committed to publishing high-quality papers that advance the state-of-the-art and practical applications of communications and information networks. Theoretical research contributions presenting new techniques, concepts, or analyses, applied contributions reporting on experiences and experiments, and tutorial expositions of permanent reference value are welcome. The subjects covered by this journal include all topics in communication theory and techniques, communication systems, and information networks. COMMUNICATION THEORY AND SYSTEMS WIRELESS COMMUNICATIONS NETWORKS AND SERVICES.
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