Analysis on Secrecy Capacity of Cooperative Non-Orthogonal Multiple Access with Proactive Jamming

Yuan, C; Tao, X; Li, N; Ni, W; Liu, RP; Zhang, P

Analysis on Secrecy Capacity of Cooperative Non-Orthogonal Multiple Access with Proactive Jamming

Yuan, C Tao, X Li, N Ni, W

Liu, RP

Zhang, P

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Publication Type:: Journal Article
Citation:: IEEE Transactions on Vehicular Technology, 2019, 68 (3), pp. 2682 - 2696
Issue Date:: 2019-03-01

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Field	Value	Language
dc.contributor.author	Yuan, C	en_US
dc.contributor.author	Tao, X	en_US
dc.contributor.author	Li, N	en_US
dc.contributor.author	Ni, W https://orcid.org/0000-0002-4933-594X	en_US
dc.contributor.author	Liu, RP https://orcid.org/0000-0001-7001-6305	en_US
dc.contributor.author	Zhang, P	en_US
dc.date.issued	2019-03-01	en_US
dc.identifier.citation	IEEE Transactions on Vehicular Technology, 2019, 68 (3), pp. 2682 - 2696	en_US
dc.identifier.issn	0018-9545	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134873
dc.description.abstract	© 1967-2012 IEEE. This paper analyzes the secrecy capacity of a cooperative relaying system using non-orthogonal multiple access (NOMA). A new cooperative NOMA scheme is proposed, where the source actively sends jamming signals while the relay is forwarding, thereby enhancing the security of intended communication links. Closed-form expressions for the ergodic secrecy rate are derived in the presence of an eavesdropper. Asymptotic approximate expressions for the ergodic secrecy rate are established in high signal-to-noise ratio (SNR) regime, which provides insights on secure NOMA transmission. Numerical results reveal the critical condition, under which NOMA is able to outperform orthogonal multiple access (OMA) in terms of secrecy rate. The proposed NOMA scheme can improve the secrecy rate by about 78.1rm%.	en_US
dc.relation.ispartof	IEEE Transactions on Vehicular Technology	en_US
dc.relation.isbasedon	10.1109/TVT.2019.2895911	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject.classification	Automobile Design & Engineering	en_US
dc.title	Analysis on Secrecy Capacity of Cooperative Non-Orthogonal Multiple Access with Proactive Jamming	en_US
dc.type	Journal Article
utslib.citation.volume	3	en_US
utslib.citation.volume	68	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0805 Distributed Computing	en_US
utslib.for	1005 Communications Technologies	en_US
utslib.for	08 Information and Computing Sciences	en_US
utslib.for	09 Engineering	en_US
utslib.for	10 Technology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.issue	3	en_US
pubs.publication-status	Published	en_US
pubs.volume	68	en_US

Abstract:

© 1967-2012 IEEE. This paper analyzes the secrecy capacity of a cooperative relaying system using non-orthogonal multiple access (NOMA). A new cooperative NOMA scheme is proposed, where the source actively sends jamming signals while the relay is forwarding, thereby enhancing the security of intended communication links. Closed-form expressions for the ergodic secrecy rate are derived in the presence of an eavesdropper. Asymptotic approximate expressions for the ergodic secrecy rate are established in high signal-to-noise ratio (SNR) regime, which provides insights on secure NOMA transmission. Numerical results reveal the critical condition, under which NOMA is able to outperform orthogonal multiple access (OMA) in terms of secrecy rate. The proposed NOMA scheme can improve the secrecy rate by about 78.1rm%.

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http://hdl.handle.net/10453/134873