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Secret Writing on Dirty Paper: A Deterministic View

Recently there has been a lot of success in using the deterministic approach to provide approximate characterization of Gaussian network capacity. In this paper, we take a deterministic view and revisit the problem of wiretap channel with side information. A precise characterization of the secrecy capacity is obtained for a linear deterministic model, which naturally suggests a coding scheme which we show to achieve the secrecy capacity of the degraded Gaussian model (dubbed as "secret writing on dirty paper") to within half a bit.

preprint2012arXivOpen access
Mustafa El-HalabiTie LiuCostas GeorghiadesShlomo Shamai
math.ITInformation Theory
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Open access4 authors2 topics
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Mustafa El-HalabiTie LiuCostas GeorghiadesShlomo Shamai

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