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

被引：7

作者：

Sula, Erixhen ^{[1
]}

Gastpar, Michael ^{[1
]}

Kramer, Gerhard ^{[2
]}

机构：

[1] Ecole Polytech Fed Lausanne EPFL, Sch Comp & Commun Sci, CH-1015 Lausanne, Switzerland

[2] Tech Univ Munich TUM, Chair Commun Engn, D-80333 Munich, Germany

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 2020年 / 66卷 / 05期

基金：

瑞士国家科学基金会;

关键词：

Capacity; Gaussian multiple-access channel (GMAC); feedback; factorization of convex envelope; OUTER BOUNDS; REGION;

D O I：

10.1109/TIT.2019.2957808

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

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).

引用

页码：2860 / 2871

页数：12

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