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DC Programming Approach for Resource Allocation in Wireless Networks
Fraunhofer German-Sino Lab for Mobile Communications MCI.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Fraunhofer German-Sino Lab for Mobile Communications MCI.
2010 (English)In: Proceedings of the International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), 2010, 380-386 p.Conference paper, Published paper (Refereed)
Abstract [en]

We consider the problem of sum rate maximization with joint resource allocation and interference mitigation by multiantenna processing in wireless networks. The denominators in the users' signal-to-interference-plus-noise expressions are assumed to be representable in the form of matrix-based, concave interference functions. It is shown that the problem of interest for this system model can be readily rewritten as a minimization of a difference of convex functions. Based on this representation, an iterative algorithm with guaranteed convergence is employed to calculate possibly suboptimal solutions of the main problem, which is known to be NP-hard. The proposed technique enables achieving a large portion of the globally optimal sum rate. It is also very efficient and rather general in terms of allowing interesting extensions, compared with the related results from the literature.

Place, publisher, year, edition, pages
2010. 380-386 p.
Keyword [en]
DC programming, interference mitigation, multiantenna systems, resource management, power control
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-58569ISBN: 978-1-4244-7523-0 (print)OAI: oai:DiVA.org:liu-58569DiVA: diva2:343718
Available from: 2010-08-16 Created: 2010-08-16 Last updated: 2010-10-10

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Shi, Shuying

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