In this technical note, we investigate information quantities of state-dependent communication channels with corrupted information fed back from the receiver. We derive an information identity which can be interpreted as a law of conservation of information flows.
@article{arxiv.1402.0925,
title = {An Information Identity for State-dependent Channels with Feedback},
author = {Nicolas Limal},
journal= {arXiv preprint arXiv:1402.0925},
year = {2014}
}