An improved achievable region for the discrete memoryless two-user multiple-access channel with noiseless feedback

Authors:
S. I. Bross;A. Lapidoth
Affiliations:
Dept. of Electr. Eng., Technion-Israel Inst. of Technol., Haifa, Israel;-
Venue:
IEEE Transactions on Information Theory
Year:
2005

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Abstract

An achievable region for the two-user discrete memoryless multiple-access channel (DMMAC) with noiseless feedback is proposed. The proposed region includes the Cover-Leung region, with the inclusion being, for some channels, strict. This inner bound is demonstrated for the ideal two-user Poisson multiple-access channel with noiseless feedback, in which case it is shown to improve on the Cover-Leung rate-sum.