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Asymptotic Studies for the Impact of Antenna Selection on Secure Two-Way Relaying Communications with Artificial Noise

Lookup NU author(s): Dr Zhiguo Ding


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In this paper, we consider a two-way relaying scenario with one pair of source nodes, one relay and one eavesdropper. All nodes are equipped with multiple antennas, and we study the impact of antenna selection on such a secure communication scenario. Three transmission schemes with different tradeoff between secure performance and complexity are investigated respectively. Particularly, when antenna selection is implemented at the relay and no artificial noise is introduced, the condition to realize secure transmissions is established. Then by allowing the sources to inject artificial noise into the system, the secure performance is evaluated by focusing on different eavesdropping strategies. When both the relay and the sources send artificial noise, a low complexity strategy of antenna selection is proposed to efficiently utilize the antennas at the sources and the relay. The developed asymptotic results demonstrate that, by adding more artificial noise and performing joint antenna selection, a better secure performance, such as a larger secrecy rate and a lower outage probability, can be realized at a price of imposing more complexity on the system. Simulation results are also provided to demonstrate the accuracy of the developed analytical results.

Publication metadata

Author(s): Ding ZG, Ma Z, Fan PZ

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Wireless Communications

Year: 2014

Volume: 13

Issue: 4

Pages: 2189-2203

Print publication date: 21/04/2014

Online publication date: 03/03/2014

ISSN (print): 1536-1276

ISSN (electronic): 1558-2248

Publisher: Institute of Electrical and Electronics Engineers


DOI: 10.1109/TWC.2014.022714131252


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Funder referenceFunder name
China Scholarship Council
122001Fok Ying Tung Education Foundation
2011D16Open Research Fund of National Mobile Communications Research Laboratory, Southeast University
2011JTD0007Young Innovative Research Team of Sichuan Province
111-2-14111 Project Foundation
311031100Chinese Ministry of Education
2012CB316100National Basic Research Program of China (973 Program)
60872013National Natural Science Foundation of China
EP/I037423/1UK EPSRC
NECT-10-0705Program for New Century Excellent Talents in University