Secrecy performance analysis of single-input multiple-output generalized-<Emphasis Type="Italic">K</Emphasis> fading channels |
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| Authors: | Hong-jiang Lei Imran Shafique Ansari Chao Gao Yong-cai Guo Gao-feng Pan Khalid A Qaraqe |
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| Affiliation: | 1.Chongqing Key Laboratory of Mobile Communications Technology,Chongqing University of Posts and Telecommunications,Chongqing,China;2.MOE Key Laboratory of Optoelectronic Technology and Systems,Chongqing University,Chongqing,China;3.Department of Electrical and Computer Engineering,Texas A&M University at Qatar,Doha,Qatar;4.Chongqing Key Laboratory of Nonlinear Circuits and Intelligent Information Processing,Southwest University,Chongqing,China |
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| Abstract: | In this paper, the transmission of confidential messages through single-input multiple-output (SIMO) independent and identically generalized-K (KG) fading channels is considered, where the eavesdropper overhears the transmission from the transmitter to the receiver. Both the receiver and the eavesdropper are equipped with multiple antennas, and both active and passive eavesdroppings are considered where the channel state information of the eavesdropper’s channel is or is not available at the transmitter. The secrecy performance of SIMO KG systems is investigated. Analytical expressions for secrecy outage probability and average secrecy capacity of SIMO systems are derived via two different methods, in which KG distribution is approximated by the Gamma and mixture Gamma distributions, respectively. Numerical results are presented and verified via the Monte-Carlo simulation. |
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