DocumentCode :
2624298
Title :
Secrecy capacity of correlated rayleigh fading channels
Author :
Zhu, Jinxiao ; Jiang, Xiaohong ; Takahashi, Osamu ; Shiratori, Norio
Author_Institution :
Sch. of Syst. Inf. Sci., Future Univ. Hakodate, Hakodate, Japan
fYear :
2012
fDate :
15-17 Oct. 2012
Firstpage :
333
Lastpage :
337
Abstract :
We consider the secure transmission of information over Rayleigh fading wiretap channel when the main and eavesdropper channels are correlated there. Assuming that before transmission the transmitter knows the full channel state information (CSI) of both the main and eavesdropper channels, we analyze the average secrecy capacity with limited signal-to-noise ratio (SNR), for which a simple closed-form expression is derived based on the typical Marcum Q function. This is achieved by exploring the symmetry property between the main channel and eavesdropper channel to avoid a complicated integration involved in the secrecy capacity analysis, such that the secrecy capacity derivation can be significantly simplified. Numerical results are also provided to confirm our analytical ones.
Keywords :
Rayleigh channels; channel capacity; correlation methods; radio transmitters; telecommunication security; CSI; SNR; average secrecy capacity analysis; channel state information; correlated Rayleigh fading wiretap channel; eavesdropper channel correlation; secure transmission; signal-to-noise ratio; simple closed-form expression; symmetry property; transmitter; typical Marcum Q function; Correlation; Fading; Joints; Probability density function; Receivers; Signal to noise ratio; Wireless communication;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Communications (APCC), 2012 18th Asia-Pacific Conference on
Conference_Location :
Jeju Island
Print_ISBN :
978-1-4673-4726-6
Electronic_ISBN :
978-1-4673-4727-3
Type :
conf
DOI :
10.1109/APCC.2012.6388157
Filename :
6388157
Link To Document :
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