A Note on the Secrecy Capacity of the Multi-antenna Wiretap Channel

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dc.creatorLiu, Tie
dc.creatorShamai, Shlomo
dc.date2007-10-22
dc.date.accessioned2026-07-07T08:37:46Z
dc.date.available2026-07-07T08:37:46Z
dc.descriptionRecently, the secrecy capacity of the multi-antenna wiretap channel was characterized by Khisti and Wornell [1] using a Sato-like argument. This note presents an alternative characterization using a channel enhancement argument. This characterization relies on an extremal entropy inequality recently proved in the context of multi-antenna broadcast channels, and is directly built on the physical intuition regarding to the optimal transmission strategy in this communication scenario.
dc.description10 pages, 0 figures
dc.identifierhttps://arxiv.org/abs/0710.4105
dc.identifierhttp://arxiv.org/abs/0710.4105
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/140520
dc.subjectInformation Theory
dc.titleA Note on the Secrecy Capacity of the Multi-antenna Wiretap Channel
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