Directional modulation with cooperative receivers

Xiao, Yanping, Tang, Wanbin, Xiao, Yue, Zhang, Hongyan, Wu, Gang, and Xiang, Wei (2018) Directional modulation with cooperative receivers. IEEE Access, 6. pp. 34992-35000.

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Directional modulation (DM) refers to a class of efficient techniques for enhancing the physical layer security of wireless communications. However, conventional DM approaches cannot guarantee the transmission security when eavesdroppers are located close to the legitimate user. In this paper, to mitigate this problem, a new DM scheme with cooperative receivers (DM-CR) is proposed for secrecy communications. Specifically, the legitimate user employs multiple cooperative receivers, and a predefined distortion factor set is introduced to the beamforming vector. The proposed DM-CR scheme is able to guarantee transmission security regardless of the direction or location of the eavesdroppers. Furthermore, the average bit error probability of the proposed DM-CR scheme is investigated. Both analytical and simulation results are presented to show that the proposed DM-CR scheme significantly outperforms the benchmark in terms of the bit error rate, so as to provide secure transmission toward future wireless communications.

Item ID: 54940
Item Type: Article (Research - C1)
ISSN: 2169-3536
Keywords: directional modulation, physical layer security, beamforming, cooperative receivers
Funders: National Science Foundation of China (NSFC), International Science & Technology Coorperation Project of China (ISTCPC), Foundation Project of the National Key Laboratory of Science and Technology on Communications (FPNKL)
Projects and Grants: NSFC Grant 61671131, ISTCPC Grant 2017HH0009, FPNKL Grant 6142102010702
Date Deposited: 08 Aug 2018 07:41
FoR Codes: 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890103 Mobile Data Networks and Services @ 100%
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