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This paper focuses on femtocell self-organization through radio environment map (REM) based power control. Different downlink power control strategies with REM have been studied with realistic LTE system evaluation. We have shown that downlink power control can be an effective means for femtocell self-organization. With the help of REM information, the performance between macrocell and femtocell is...
In this paper we discuss some of the benefits and challenges of deploying femtocells in a cellular network. In particular, we focus on the tradeoff between energy efficiency and system performance. With realistic LTE system parameters, we have shown that femtocells can indeed improve energy efficiency of the network. However, this comes with a price - performance degradation due to interference, which...
In this paper a simple and effective method has been proposed to perform access and handover management for femtocell systems. Firstly an analysis on interference impact on femtocells has been provided. Then we explore several techniques to address the interference problem between CSG (closed subscriber group) femtocell and macrocell. When a non-CSG MS comes close to the femtocell in question, the...
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