IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Achievable Rate Region for the Two-User Gaussian X Channel with Limited Receiver Cooperation: General Case
Surapol TAN-A-RAMWatit BENJAPOLAKUL
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2017 Volume E100.A Issue 3 Pages 822-831

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Abstract

In this paper, we propose to use a strategy for the two-user Gaussian X channel with limited receiver cooperation in the general case consisting of two parts: 1) the transmission scheme where the superposition coding is used and 2) the cooperative protocol where the two-round strategy based on quantize-map-and-forward (QMF) is employed. We image that a Gaussian X channel can be considered as a superposition of two Gaussian interference channels based on grouping of the sent messages from each transmitter to the corresponding receivers. Finally, we give an achievable rate region for the general case of this channel.

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© 2017 The Institute of Electronics, Information and Communication Engineers
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