Distributed Power Control in Cellular Radio Systems using Projection onto Convex Sets

S.A. Rabee, B.S. Sharif, and S. Sali (UK)

Keywords

Cellular radio, Power control and Convex sets

Abstract

Power control can be used to reduce the co-channel interference, near-far effect. This leads to improved channel capacity and longer battery life. In this paper, we consider distributed power control algorithms, which are based on local information within a cell. We adopt the method of Projection Onto Convex Sets- (POCS) as an iterative approach to obtain the minimum protection ratio. Numerical result shows that the POCS- method achieves much faster convergence and improved outage probability than other conventional methods.

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