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Stochastic cross-layer resource allocation for wireless networks using orthogonal access: Optimality and delay analysis

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3 Author(s)
Marques, A.G. ; Dept. of Signal Theor. & Commun., Rey Juan Carlos Univ., Madrid, Spain ; Giannakis, G.B. ; Ramos, J.

Efficient design of wireless networks requires implementation of cross-layer algorithms that exploit channel state information. Capitalizing on convex optimization and stochastic approximation tools, this paper develops a stochastic algorithm that allocates resources at network, link, and physical layers so that a sum-utility of the average end-to-end rates is maximized. Focus is placed on networks where interference is strong and nodes transmit orthogonally over a set of parallel channels. Convergence of the developed stochastic schemes is characterized, and the average queue delays are obtained in closed form.

Published in:

Acoustics Speech and Signal Processing (ICASSP), 2010 IEEE International Conference on

Date of Conference:

14-19 March 2010