Protecting cognitive radio networks against poisson distributed eavesdroppers
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Cai, Yueming
Xu, Xiaoming
He, Biao
Yang, Weiwei
Zhou, Xiangyun
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Institute of Electrical and Electronics Engineers (IEEE)
Abstract
In this paper, we study secure transmission designs for underlay cognitive radio networks in the present of randomly distributed eavesdroppers. We consider the scenario where a secondary transmitter sends confidential messages to a secondary receiver subject to an interference constraint set by the primary user. We design two transmission protocols under different channel knowledge assumptions at the transmitter. For each protocol, we first give a comprehensive performance analysis to investigate the transmission delay, secrecy, and reliability performance. We then optimize the transmission design for maximizing the secrecy throughput subject to both secrecy and reliability constraints. Finally, we numerically compare the performance of the two transmission protocols.
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Conference paper
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Open Access
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Author/s Accepted Manuscript (AAM)