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Lookup NU author(s): Chaoqing Tang
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We investigate the secrecy outage performance of maximal ratio combining (MRC) in cognitive radio networks over Rayleigh fading channels. In a single-input multiple-output wiretap system, we consider a secondary user (SU-TX) that transmits confidential messages to another secondary user (SU-RX) equipped with M (M aeyen 1) antennas where the MRC technique is adopted to improve its received signal-to-noise ratio. Meanwhile, an eavesdropper equipped with N (N aeyen 1) antennas adopts the MRC scheme to overhear the information between SU-TX and SU-RX. SU-TX adopts the underlay strategy to guarantee the service quality of the primary user without spectrum sensing. We derive the closed-form expressions for an exact and asymptotic secrecy outage probability.
Author(s): Zhao H, Wang DY, Tang CQ, Liu YP, Pan GF, Li TT, Chen YF
Publication type: Article
Publication status: Published
Journal: Frontiers of Information Technology & Electronic Engineering
Year: 2016
Volume: 17
Issue: 9
Pages: 929-937
Print publication date: 01/09/2016
Online publication date: 07/10/2016
Acceptance date: 16/02/2016
ISSN (print): 2095-9184
ISSN (electronic): 2095-9230
Publisher: Zheijiang University Press
URL: http://dx.doi.org/10.1631/FITEE.1500351
DOI: 10.1631/FITEE.1500351
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