Publication

Sum-Rate Capacity for Symmetric Gaussian Multiple Access Channels With Feedback

Michael Christoph Gastpar, Erixhen Sula
2020
Journal Articles

Abstract

The feedback sum-rate capacity is established for the symmetric $J$ -user Gaussian multiple-access channel (GMAC). The main contribution is a converse bound that combines the dependence-balance argument of Hekstra and Willems (1989) with a variant of the factorization of a convex envelope of Geng and Nair (2014). The converse bound matches the achievable sum-rate of the Fourier-Modulated Estimate Correction strategy of Kramer (2002).

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https://infoscience.epfl.ch/entities/publication/de1b8abf-f572-4e61-b14b-95caf62dee43

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Michael Christoph Gastpar, Erixhen Sula
2020
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/de1b8abf-f572-4e61-b14b-95caf62dee43

About this result

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