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Power control and transmission scheduling for network utility maximization in wireless networks

Cao, Min and Raghunathan, Vivek and Hanly, Stephen and Sharma, Vinod and Kumar, PR (2008) Power control and transmission scheduling for network utility maximization in wireless networks. In: Proceedings of the 46th IEEE Conference on Decision and Control New Orleans, LA, USA, Dec. 12-14, 2007, 12-14 Dec. 2007, New Orleans, LA.

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We consider a joint power control and transmission scheduling problem in wireless networks with average power constraints. While the capacity region of a wireless network is convex, a characterization of this region is a hard problem. We formulate a network utility optimization problem involving time-sharing across different "transmission modes," where each mode corresponds to the set of power levels used in the network. The structure of the optimal solution is a time-sharing across a small set of such modes. We use this structure to develop an efficient heuristic approach to finding a suboptimal solution through column generation iterations. This heuristic approach converges quite fast in simulations, and provides a tool for wireless network planning.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 2007 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Keywords: Network utility maximization;power control;transmission scheduling;column generation
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 13 Oct 2011 09:19
Last Modified: 13 Oct 2011 09:19
URI: http://eprints.iisc.ac.in/id/eprint/41374

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