On Secrecy Performance of Mixed RF-FSO Systems

Hongjiang Lei*, Zhijun Dai, Imran Shafique Ansari, Ki Hong Park, Gaofeng Pan, Mohamed Slim Alouini

*此作品的通讯作者

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摘要

In this paper, we study the secrecy performance of a mixed radio frequency-free space optical (RF-FSO) transmission systems. All RF links experience Nakagami-m fading and the FSO link experiences the Gamma-Gamma fading. The effect of pointing error and two types of detection techniques (i.e., heterodyne detection and intensity modulation with direct detection) are considered. We derive closed-form expressions for lower bound of the secrecy outage probability (SOP) and exact average secrecy capacity (ASC). Furthermore, by utilizing the expansion of Meijer's G-function, asymptotic results for SOP and ASC are derived when the electrical signal-to-noise ratio of the FSO link tends to infinity. Numerical and Monte Carlo simulation results are provided to verify the accuracy of our proposed results.

源语言英语
文章编号7968415
期刊IEEE Photonics Journal
9
4
DOI
出版状态已出版 - 8月 2017
已对外发布

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Lei, H., Dai, Z., Ansari, I. S., Park, K. H., Pan, G., & Alouini, M. S. (2017). On Secrecy Performance of Mixed RF-FSO Systems. IEEE Photonics Journal, 9(4), 文章 7968415. https://doi.org/10.1109/JPHOT.2017.2723422