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Multipath Channels of Bounded Capacity (0711.3152v2)
Published 20 Nov 2007 in cs.IT and math.IT
Abstract: The capacity of discrete-time, non-coherent, multipath fading channels is considered. It is shown that if the delay spread is large in the sense that the variances of the path gains do not decay faster than geometrically, then capacity is bounded in the signal-to-noise ratio.