Feedback communication over individual channels

Authors:
Yuval Lomnitz;Meir Feder
Affiliations:
Tel Aviv University, Dept. of EE-Systems;Tel Aviv University, Dept. of EE-Systems
Venue:
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 3
Year:
2009

Citing 2
Cited 2

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Power adaptive feedback communication over an additive individual noise sequence channel

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Zero-rate feedback can achieve the empirical capacity

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Abstract

We consider the problem of communicating over a channel for which no mathematical model is specified. We present achievable rates as a function of the channel input and output sequences known a-posteriori for discrete and continuous channels. Furthermore we present a rate-adaptive scheme employing feedback which achieves these rates asymptotically without prior knowledge of the channel behavior.