Secrecy performance for a multi-relaying SIMO-satellite/MISO-FSO network

IF 3.7 3区 计算机科学 Q2 AUTOMATION & CONTROL SYSTEMS
Xingyi Li , Xin Liu , Jiliang Zhang , Jun Wang , Shanghui Li , Zi Yuan , Gaofeng Pan
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Abstract

In this paper, physical-layer security performance for a multi-relaying based satellite-free-space optical network, which consists of a single-antenna satellite source (S), M (M 1) relays (R) with each equipping with L (L 1) receiving antennas and a photo-aperture transmitter with N (N 1) lasers, a single-aperture destination (D) and a single-aperture eavesdropper (E), is evaluated. Specifically, a relay, which first adopts a maximum ratio combining protocol to process the received signals from S and then transforms the decoded signal into an optical one before transmitting it to D with a transmit aperture selection scheme, is selected based on a general K-th best relay selection criteria to assist the information forwarding. Additionally, the probability density functions and cumulative distribution functions of the instantaneous signal-to-noise ratio at R and D are formatted, serving as the foundation for deriving both analytical and asymptotic expressions of the lower bound of secrecy outage probability. Finally, the accuracy of those derived expressions is validated through Monte-Carlo simulations.
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来源期刊
CiteScore
7.30
自引率
14.60%
发文量
586
审稿时长
6.9 months
期刊介绍: The Journal of The Franklin Institute has an established reputation for publishing high-quality papers in the field of engineering and applied mathematics. Its current focus is on control systems, complex networks and dynamic systems, signal processing and communications and their applications. All submitted papers are peer-reviewed. The Journal will publish original research papers and research review papers of substance. Papers and special focus issues are judged upon possible lasting value, which has been and continues to be the strength of the Journal of The Franklin Institute.
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