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Journal Articles IEEE Transactions on Information Theory Year : 2018

Approximate Capacity Region of the Two-User Gaussian Interference Channel with Noisy Channel-Output Feedback

Abstract

In this paper, the capacity region of the linear deterministic interference channel with noisy channel-output feedback (LD-IC-NF) is fully characterized. The proof of achievability is based on random coding arguments and rate splitting; block-Markov superposition coding; and backward decoding. The proof of converse reuses some of the existing outer bounds and includes new ones obtained using genie-aided models. Following the insight gained from the analysis of the LD-IC-NF, an achievability region and a converse region for the two-user Gaussian interference channel with noisy channel-output feedback (GIC-NF) are presented. Finally, the achievability region and the converse region are proven to approximate the capacity region of the G-IC-NF to within 4.4 bits.
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Dates and versions

hal-01397118 , version 1 (15-11-2016)
hal-01397118 , version 2 (29-03-2018)
hal-01397118 , version 3 (19-05-2018)

Identifiers

Cite

Victor Quintero, Samir Perlaza, Iñaki Esnaola, Jean-Marie M Gorce. Approximate Capacity Region of the Two-User Gaussian Interference Channel with Noisy Channel-Output Feedback. IEEE Transactions on Information Theory, 2018, 64 (7), pp.5326-5358. ⟨10.1109/TIT.2018.2827076⟩. ⟨hal-01397118v3⟩
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