An Outer Bound to the Capacity Region ofthe Broadcast Channel
Nair, C.; El Gamal, A.
Information Theory, IEEE Transactions on
Volume 53, Issue 1, Jan. 2007 Page(s):350 - 355
Digital Object Identifier   10.1109/TIT.2006.887492
Summary:An outer bound to the capacity region of the two-receiver discrete memoryless broadcast channel is given. The outer bound is tight for all cases where the capacity region is known. When specialized to the case of no common information, this outer bound is contained in the Koumlrner-Marton outer bound. This containment is shown to be strict for the binary skew-symmetric broadcast channel. Thus, this outer bound is in general tighter than all other known outer bounds.

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