Cross-layer optimization of wireless fading ad-hoc networks

Authors:
Nikolaos Gatsis;Alejandro Ribeiro;Georgios B. Giannakis
Affiliations:
Dept. of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA;Dept. of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, USA;Dept. of Electrical and Computer Engineering, University of Minnesota, Minneapolis, USA
Venue:
ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
Year:
2009

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A class of convergent algorithms for resource allocation in wireless fading networks

IEEE Transactions on Wireless Communications

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Abstract

This paper develops near-optimal designs of wireless networks in the presence of fading. The novel approach optimizes jointly application level rates, routes, link capacities, power consumption and physical layer parameters. The physical layer is interference limited with terminals distributing their power budget among frequency tones, neighboring nodes and fading states. The present contribution builds on recent results establishing the optimality of layered architectures and develops physical layer resource allocation algorithms that are seamlessly integrated into layered architectures without loss of optimality.