Slepian-Wolf Coding for Broadcasting With Cooperative Base-Stations


We have a tendency to propose a base-station (BS) cooperation model for broadcasting a discrete memoryless supply in a cellular or heterogeneous network. The model allows the receivers to use helper BSs to enhance network performance, and it permits the receivers to have prior facet info regarding the supply. We tend to establish the model's information-theoretic limits in two operational modes: In Mode 1, the helper BSs are given information concerning the channel codeword transmitted by the most BS, and in Mode two they're provided correlated facet data regarding the supply. Optimal codes for Mode 1 use hash-and-forward coding at the helper BSs; whereas, in Mode a pair of, optimal codes use supply codes from Wyner's helper supply-coding drawback at the helper BSs. We prove the optimality of both approaches by manner of a replacement list-decoding generalisation employed in Theorem vi of Tuncel (2006), and in doing thus, show an operational duality between Modes one and a couple of.

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