Channel Coding in the Presence of Side Information
Foundations and Trends in Communications and Information Theory
Witsenhausen's counterexample as Assisted Interference Suppression
International Journal of Systems, Control and Communications
The finite-dimensional Witsenhausen counterexample
WiOPT'09 Proceedings of the 7th international conference on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks
Coding and common reconstruction
IEEE Transactions on Information Theory
Witsenhausen's counterexample and its links with multimedia security problems
IWDW'11 Proceedings of the 10th international conference on Digital-Forensics and Watermarking
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We consider the problem of rate-R, channel coding with causal/noncausal side information at the transmitter, under an additional requirement of minimizing the amount of information that can be learned from the channel output about the state sequence, which is defined in terms of the mutual information between the state sequence and the channel output sequence. A single-letter characterization is provided for the achievable region of pairs {(R, E)}. Explicit results for the Gaussian case (Costa's dirty-paper channel) are derived in full detail.