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Pré-Publication, Document De Travail Année : 2013

The impact of finite-alphabet input on the secrecy-achievable rates for broadcast channel with confidential message

Zeina Mheich
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Florence Alberge
Pierre Duhamel

Résumé

This paper investigates the maximization of the secrecy-achievable rate region for the Gaussian broadcast channel with confidential message (BCCM) using finite input constellations. The maximization is done jointly over symbol positions and their joint probabilities. The secrecy-achievable rate regions are given for various broadcast strategies which differ in their complexity of implementation. We compare these strategies in terms of improvement in achievable rates and we study the impact of finite input alphabet on the secrecy-achievable rates. It is shown that finite alphabet constraints may change well known results holding in the Gaussian case.
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Dates et versions

hal-00951622 , version 1 (25-02-2014)

Identifiants

  • HAL Id : hal-00951622 , version 1

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Zeina Mheich, Florence Alberge, Pierre Duhamel. The impact of finite-alphabet input on the secrecy-achievable rates for broadcast channel with confidential message. 2013. ⟨hal-00951622⟩
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