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Interference neutralization vs clean relaying in cognitive radio networks with secrecy
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0001-9307-484X
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2015 (engelsk)Inngår i: Proceedings of the 12th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services, MOBIQUITOUS 2015, IEEE conference proceedings, 2015, s. 240-246Konferansepaper, Publicerat paper (Fagfellevurdert)
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Abstract [en]

In this paper we study cognitive radio networks with secrecy constraints on the primary transmission. In particular we consider several transmission schemes for the secondary transmitter, namely interference neutralization (IN) and cooperative jamming with and without clean relaying (CR). We derive and analyze the achievable secondary rate performance of the schemes. Furthermore we thoroughly investigate the advantages and shortcomings of these schemes through numerical simulations in a geometric model where we highlight the impact of the users' locations and show the important difference in all schemes depending on the topology. Our results show that the secondary transmitter can successfully adapt its transmission scheme (and parameters), i.e., either IN or CR, depending on its location to maximize its rate while insuring perfect secrecy of the primary transmission.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2015. s. 240-246
Emneord [en]
Cognitive radio, Interference neutralization, Jamming, Physical layer security, Relaying, Network layers, Radio transmission, Topology, Transmissions, Transmitters, Ubiquitous computing, Cognitive radio network, Cooperative jamming, Geometric modeling, Interference neutralizations, Primary transmission, Transmission schemes
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Identifikatorer
URN: urn:nbn:se:kth:diva-181632Scopus ID: 2-s2.0-84946030890ISBN: 9781631900723 (tryckt)OAI: oai:DiVA.org:kth-181632DiVA, id: diva2:911835
Konferanse
12th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services, MOBIQUITOUS 2015, 22 July 2015 through 24 July 2015
Merknad

QC 20160314

Tilgjengelig fra: 2016-03-14 Laget: 2016-02-02 Sist oppdatert: 2017-06-02bibliografisk kontrollert

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Thobaben, RagnarSkoglund, Mikael

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