Femtocell Downlink Power Control Based on Radio Environment Maps

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Executive Summary

The paper investigates the use of Radio Environment Maps (REMs) as a tool for Interference Management (IM) in two-tier cellular networks comprising macro- and femto-cells. The REMs are databases that provide, through different instances distributed over network elements, a variety of network- and user-related context information for improving IM and Radio Resource Management (RRM) procedures. In this context, the focus in this paper is to present the benefit of using REM's information on practical power control schemes for the Femto-cell DownLink transmission in co-channel two-tier deployment.

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