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2008

Sum Capacity of One-Sided Parallel Gaussian Interference Channels

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Sum Capacity of One-Sided Parallel Gaussian Interference Channels
Abstract--The sum capacity of the one-sided parallel Gaussian interference channel is shown to be a concave function of user powers. Exploiting the inherent structure of the problem, we construct a numerical algorithm to compute it. Two suboptimal schemes are compared with the capacityachieving scheme. One of the suboptimal schemes, namely iterative waterfilling, yields close-to-capacity performance when the cross link gain is small.
Chi Wan Sung, Kenneth Wing-Kin Lui, Kenneth W. Shu
Added 15 Dec 2010
Updated 15 Dec 2010
Type Journal
Year 2008
Where TIT
Authors Chi Wan Sung, Kenneth Wing-Kin Lui, Kenneth W. Shum, Hing-Cheung So
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