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Communication Dans Un Congrès Année : 2018

Optimal Inputs for Some Classes of Degraded Wiretap Channels

Résumé

In this paper, an analysis of an input distribution that achieves the secrecy capacity of a general degraded additive noise wiretap channel is presented. In particular, using convex optimization methods, an input distribution that achieves the secrecy capacity is characterized by conditions expressed in terms of integral equations. The new conditions are used to study the structure of the optimal input distribution for three different additive noise cases: vector Gaussian; scalar Cauchy; and scalar exponential.
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Dates et versions

hal-01884159 , version 1 (29-09-2018)

Identifiants

  • HAL Id : hal-01884159 , version 1

Citer

Alex Dytso, Malcolm Egan, Samir Perlaza, H Vincent Poor, Shlomo Shamai. Optimal Inputs for Some Classes of Degraded Wiretap Channels. 2018 IEEE Information Theory Workshop (ITW), Nov 2018, Guangzhou, China. ⟨hal-01884159⟩
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