Bounds on the Capacity of the Relay Channel with Noncausal State Information at Source

Abstract : We consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the framework of cognition, i.e., collaborative signal transmission involving cognitive and non-cognitive radios. We study the capacity of this communication model. One principal problem in this setup is caused by the relay's not knowing the channel state. In the discrete memoryless (DM) case, we establish lower bounds on channel capacity. For the Gaussian case, we derive lower and upper bounds on the channel capacity. The upper bound is strictly better than the cut-set upper bound. We show that one of the developed lower bounds comes close to the upper bound, asymptotically, for certain ranges of rates.
Type de document :
Communication dans un congrès
IEEE International Symposium on Information Theory (ISIT), 2010, Austin, Texas, United States. pp.639-643, 2010
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https://hal.archives-ouvertes.fr/hal-00793718
Contributeur : Abdellatif Zaidi <>
Soumis le : vendredi 22 février 2013 - 18:44:33
Dernière modification le : mercredi 27 juillet 2016 - 14:48:48

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  • HAL Id : hal-00793718, version 1
  • ARXIV : 1001.2218

Citation

Abdellatif Zaidi, Shlomo Shamai, Pablo Piantanida, Luc Vandendorpe. Bounds on the Capacity of the Relay Channel with Noncausal State Information at Source. IEEE International Symposium on Information Theory (ISIT), 2010, Austin, Texas, United States. pp.639-643, 2010. <hal-00793718>

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