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A product Gaussian broadcast channel with three receivers and degraded message sets is considered. A single-letter characterization of the capacity region was obtained in a recent work of Nair and El Gamal based on superposition coding and indirect decoding. Through Lagrangian theory and an extremal entropy inequality, the single-letter expression of Nair and El Gamal is evaluated for the specific...
This paper considered, via a deterministic approach, the problem of broadcasting with receiver message side information, which arises naturally in the context of decoding-forward strategies in multiway relay network communication. An outer bound on the capacity region of the linear deterministic broadcast channel with general receiver message side information is provided and is shown to be tight when...
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