The Capacity Loss of Dense Constellations

Published 24 May 2012 in cs.IT and math.IT | (1205.5522v1)

Abstract: We determine the loss in capacity incurred by using signal constellations with a bounded support over general complex-valued additive-noise channels for suitably high signal-to-noise ratio. Our expression for the capacity loss recovers the power loss of 1.53dB for square signal constellations.

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