On the AWGN MAC with imperfect feedback

Amos Lapidoth; Michèle Wigger

doi:10.1109/TIT.2010.2069131

On the AWGN MAC with imperfect feedback

Amos Lapidoth
, Michèle Wigger

ETH Zurich

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

New achievable rate regions are derived for the two-user additive white Gaussian multiple-access channel with noisy feedback. The regions exhibit the following two properties. Irrespective of the (finite) Gaussian feedback-noise variances, the regions include rate points that lie outside the no-feedback capacity region, and when the feedback-noise variances tend to zero the regions converge to the perfect-feedback capacity region.

langue originale	Anglais
Numéro d'article	5605367
Pages (de - à)	5432-5476
Nombre de pages	45
journal	IEEE Transactions on Information Theory
Volume	56
Numéro de publication	11
Les DOIs	https://doi.org/10.1109/TIT.2010.2069131
état	Publié - 1 nov. 2010

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10.1109/TIT.2010.2069131

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title = "On the AWGN MAC with imperfect feedback",

abstract = "New achievable rate regions are derived for the two-user additive white Gaussian multiple-access channel with noisy feedback. The regions exhibit the following two properties. Irrespective of the (finite) Gaussian feedback-noise variances, the regions include rate points that lie outside the no-feedback capacity region, and when the feedback-noise variances tend to zero the regions converge to the perfect-feedback capacity region.",

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KW - Capacity

KW - Gaussian noise

KW - concatenated codes

KW - linear feedback schemes

KW - multiple-access channel

KW - noisy feedback

KW - partial feedback

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On the AWGN MAC with imperfect feedback

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