A simple converse for broadcast channels with additive white Gaussian noise (Corresp.)
Bergmans, P.
Information Theory, IEEE Transactions on
Volume 20, Issue 2, Mar 1974 Page(s): 279 - 280
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Summary: Sets of achievable rates for the additive white Gaussian noise broadcast channel have been found by Cover [1] for channels with two outputs and generalized by Bergmans [2] to channels with any number of outputs. In this correspondence, we establish a simple converse showing the optimality of these sets of achievable rates. The proof is made simple by use of special properties of the Gaussian channel.
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