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Energy Efficiency Analysis of Cooperative Jamming in Cognitive Radio Networks with Secrecy Constraints
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre. Huawei France Research Center, France.
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: IEEE Wireless Communications Letters, ISSN 2162-2337, E-ISSN 2162-2345, Vol. 4, nr 4, s. 437-440, artikkel-id 7106492Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We investigate energy-efficient cooperation for secrecy in cognitive radio networks. In particular, we consider a four-node cognitive scenario where the secondary receiver is treated as a potential eavesdropper with respect to the primary transmission. The cognitive transmitter should ensure that the primary message is not leaked to the secondary user by using cooperative jamming. We investigate the optimal power allocation and power splitting at the secondary transmitter for our cognitive model to maximize the secondary energy efficiency (EE) under secrecy constraints. We formulate and analyze an important EE Stackelberg game between the two transmitters aiming at maximizing their utilities. We illustrate the analytical results through our geometrical model, highlighting the EE performance of the system and the impact of the Stackelberg game.

sted, utgiver, år, opplag, sider
2015. Vol. 4, nr 4, s. 437-440, artikkel-id 7106492
Emneord [en]
cognitive radio, Cooperative jamming, energy efficiency, game theory, Security, Balloons, Jamming, Transmitters, Analytical results, Cognitive radio network, Energy efficiency analysis, Geometrical modeling, Optimal power allocation, Primary transmission
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Identifikatorer
URN: urn:nbn:se:kth:diva-175015DOI: 10.1109/LWC.2015.2432802ISI: 000377307900024Scopus ID: 2-s2.0-84940395428OAI: oai:DiVA.org:kth-175015DiVA, id: diva2:875205
Merknad

QC 20151130

Tilgjengelig fra: 2015-11-30 Laget: 2015-10-09 Sist oppdatert: 2017-12-01bibliografisk kontrollert

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Thobaben, RagnarSkoglund, Mikael

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