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Secure primary transmission assisted by a secondary full-duplex NOMA relay

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Chen, Bingcai, Chen, Yu, Chen, Yunfei, Cao, Yang, Ding, Zhiguo, Zhao, Nan and Wang, Xianbin (2019) Secure primary transmission assisted by a secondary full-duplex NOMA relay. IEEE Transactions on Vehicular Technology, 68 (7). pp. 7214-7219. doi:10.1109/TVT.2019.2919873

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Official URL: https://doi.org/10.1109/TVT.2019.2919873

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Abstract

In this correspondence, secure primary transmission is proposed by using a multi-antenna secondary full-duplex non-orthogonal multiple access (NOMA) relay in cognitive radio (CR) networks. First, the primary signal is transmitted from the primary transmitter to the relay. Artificial noise is generated by using part of the antennas at the relay to disrupt eavesdropping, without affecting the primary transmission. Then, superimposed signals are transmitted from the relay to the primary receiver (PR) and secondary receivers (SRs) via NOMA. The primary security is guaranteed by the modified decoding order and beam forming optimization, which is converted to convex and solved by an iterative algorithm. Simulation results are presented to show the effectiveness of the proposed scheme in guaranteeing the primary security in CR networks.

Item Type: Journal Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH): Cognitive radio networks, Radio -- Transmitter-receivers
Journal or Publication Title: IEEE Transactions on Vehicular Technology
Publisher: IEEE
ISSN: 0018-9545
Official Date: July 2019
Dates:
DateEvent
July 2019Published
4 June 2019Available
27 May 2019Accepted
Volume: 68
Number: 7
Page Range: pp. 7214-7219
DOI: 10.1109/TVT.2019.2919873
Status: Peer Reviewed
Publication Status: Published
Reuse Statement (publisher, data, author rights): © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
61871065[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
61871139[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
EP/L025272/2[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
61728101[NSFC] National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
690750H2020 European Research Councilhttp://dx.doi.org/10.13039/100010663
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