Multiaccess channels with state known to one encoder: another case of degraded message sets

Zaidi, Abdellatif;Vandendorpe, Luc;Kotagiri, S.P.;Laneman, J.N.
(2009) 2009 IEEE International Symposium on Information Theory - ISIT — Location: Seoul, South Korea (28.June.2009)

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  • Zaidi, AbdellatifUCLouvain
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  • Kotagiri, S.P.
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  • Laneman, J.N.
    Author
Abstract
We consider a two-user state-dependent multiaccess channel in which only one of the encoders is informed, non-causally, of the channel states. Two independent messages are transmitted: a common message transmitted by both the informed and uninformed encoders, and an individual message transmitted by only the uninformed encoder. We derive inner and outer bounds on the capacity region of this model in the discrete memoryless case as well as the Gaussian case. Further, we show that the bounds for the Gaussian case are tight in some special cases.
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Zaidi, A., Vandendorpe, L., Kotagiri, S. P., & Laneman, J. N. (2009). Multiaccess channels with state known to one encoder: another case of degraded message sets. 2009 IEEE International Symposium on Information Theory - ISIT, 2376-2380. https://doi.org/10.1109/ISIT.2009.5205986