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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
  • Chongqing University of Posts and Telecommunications
  • King Abdullah University of Science and Technology
  • Texas A&M University at Qatar
  • Lancaster University

科研成果: 期刊稿件 › 文章 › 同行评审

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
期刊论文编号7968415
期刊IEEE Photonics Journal
卷9
期4
DOI
出版状态已出版 - 8月 2017
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