Secure Transmission in Spectrum Sharing MIMO Networks with Generalized Antenna Selection over Nakagami-m Channels

Yuzhen Huang, Fawaz S. Al-Qahtani, Trung Q. Duong, Jinlong Wang, Chunxiao Cai

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

In this paper, we investigate the secrecy outage performance of spectrum sharing multiple-input multiple-output networks using generalized transmit antenna selection with maximal ratio combining over Nakagami-m channels. In particular, the outdated channel state information is considered at the process of antenna selection due to feedback delay. Considering a practical passive eavesdropper scenario, we derive the exact and asymptotic closed-form expressions of secrecy outage probability, which enable us to evaluate the secrecy performance with high efficiency and present a new design insight into the impact of key parameters on the secrecy performance. In addition, the analytical results demonstrate that the achievable secrecy diversity order is only determined by the parameters of the secondary network, while other parameters related to primary or eavesdropper’s channels have a significantly impact on the secrecy coding gain. 
Original languageEnglish
Pages (from-to)4058-4065
Number of pages8
JournalIEEE Access
Volume4
Early online date19 Jul 2016
DOIs
Publication statusPublished - 26 Aug 2016

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