Dual antenna selection in secure cognitive radio networks

This paper investigates data transmission and physical layer secrecy in cognitive radio network. We propose to apply full duplex transmission and dual antenna selection at secondary destination node. With the full duplex transmission, the secondary destination node can simultaneously apply the recei...

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Bibliographic Details
Main Authors: Gaojie Chen, Yu Gong, Pei Xiao, Jonathon Chambers
Format: Default Article
Published: 2015
Subjects:
Mechanical engineering not elsewhere classified
Antenna selection
Cognitive radio network
Full duplex
Physical-layer secrecy
Mechanical Engineering not elsewhere classified
Online Access:https://hdl.handle.net/2134/25650
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Summary:This paper investigates data transmission and physical layer secrecy in cognitive radio network. We propose to apply full duplex transmission and dual antenna selection at secondary destination node. With the full duplex transmission, the secondary destination node can simultaneously apply the receiving and jamming antenna selection to improve the secondary data transmission and primary secrecy performance respectively. This describes an attractive scheme in practice: unlike that in most existing approaches, the secrecy performance improvement in the CR network is no longer at the price of the data transmission loss. The outage probabilities for both the data transmission and physical layer secrecy are analyzed. Numerical simulations are also included to verify the performance of the proposed scheme.

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