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Distributed power control for QoS-flexible services in wireless communication networks

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4 Author(s)
de S.Chaves, F. ; DSPCom Lab., Univ. of Campinas - UNICAMP, Campinas, Brazil ; Abbas-Turki, M. ; Abou-Kandil, H. ; Romano, J.M.T.

This paper proposes a distributed power control framework for wireless communication networks that is able to provide a flexible QoS with the introduction of a dynamic target QoS into a conventional (fixed) target tracking power control algorithm. The target QoS of individual terminals is automatically updated according to a given performance criterion. The distributed power control is formulated as a linear quadratic regulator (LQR) problem, where system operating points are met according to channel quality and the choice of key parameters. Effectiveness of the LQR-based power control is analyzed and the influence of such parameters on the algorithm's performance is investigated with the help of computer experiments.

Published in:

Control and Automation, 2009. MED '09. 17th Mediterranean Conference on

Date of Conference:

24-26 June 2009

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