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Cooperation for secrecy in presence of an active eavesdropper: A game-theoretic analysis
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
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
KTH, Skolan för elektro- och systemteknik (EES), Kommunikationsteori. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-7926-5081
2011 (engelsk)Inngår i: 8th International Symposium on Wireless Communication Systems (ISWCS), 2011, 2011, s. 281-285Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

In this paper, we investigate a four single-antenna node network, constituted of a transmitter, a receiver, a cooperative node and a wiretapper. The wiretapper has the ability to eavesdrop the communication or disrupt the transmission by jamming. This results in both cases in the decrease of the secrecy rate. The cooperative node on the other hand aims to improve secrecy by either relaying or jamming. We investigate the secrecy performance of the decode-and-forward and cooperative jamming strategies against this kind of adversary. To model the interaction between the helper and the wiretapper, we define an extensive form game, for which we derive the pure and mixed strategies equilibria. Finally, we compare the performance of the schemes and we analyze the equilibrium outcomes through simulation results.

sted, utgiver, år, opplag, sider
2011. s. 281-285
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Identifikatorer
URN: urn:nbn:se:kth:diva-69994DOI: 10.1109/ISWCS.2011.6125354Scopus ID: 2-s2.0-84857490615OAI: oai:DiVA.org:kth-69994DiVA, id: diva2:485701
Konferanse
8th International Symposium on Wireless Communication Systems (ISWCS), 2011. Aachen. 6-9 Nov. 2011
Forskningsfinansiär
ICT - The Next Generation
Merknad
QC 20120413Tilgjengelig fra: 2012-01-29 Laget: 2012-01-29 Sist oppdatert: 2012-06-13bibliografisk kontrollert

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Thobaben, RagnarSkoglund, Mikael

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