2011 | OriginalPaper | Buchkapitel
Lattice Codes for the Gaussian Wiretap Channel
verfasst von : Jean-Claude Belfiore, Frédérique Oggier, Patrick Solé
Erschienen in: Coding and Cryptology
Verlag: Springer Berlin Heidelberg
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It has been shown recently that coding for the Gaussian Wiretap Channel can be done with nested lattices. A fine lattice intended to the legitimate user must be designed as a usual lattice code for the Gaussian Channel, while a coarse lattice is added to introduce confusion at the eavesdropper, whose theta series must be minimized. We study, here, the behavior of this invariant for a class of lattices.