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A new cost function for game theoretic SIR-based power control algorithms

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3 Author(s)
Ehsan Pasandshanjani ; Dept. of Electrical Engineering and Advanced Communication Research Institute, Sharif University of Technology, Tehran, Iran ; Babak Hossein Khalaj ; Mahyar Shirvani Moghaddam

In this paper, we introduce a new cost function for SIR-Based uplink power control algorithms that takes into account transmission power level as well as target Signal-to-Interference Ratio (SIR) deviation. Existence of Nash equilibrium point, its uniqueness and the algorithm convergence are proved in the framework of so-called standard power control schemes. As shown through simulations, the proposed method results in significant transmit power reduction while achieving almost the same average SIR level. In addition, it is shown that the new scheme results in improved overall network fairness in comparison with another algorithm.

Published in:

2011 7th International Wireless Communications and Mobile Computing Conference

Date of Conference:

4-8 July 2011