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Spectrum Management in Multiuser Cognitive Wireless Networks: Optimality and Algorithm
IEEE Journal on Selected Areas in Communications, no. 2 (2011): 421-430
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Abstract
Spectrum management is used to improve performance in multiuser communication system, e.g., cognitive radio or femtocell networks, where multiuser interference can lead to data rate degradation. We study the nonconvex NP-hard problem of maximizing a weighted sum rate in a multiuser Gaussian interference channel by power control subject to...More
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