Uplink Performance of Dynamic Interference Coordination Under Fractional Power Control for LTE-Advanced Femtocells

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Executive Summary

It has been identified in numerous contributions that dynamic interference coordination is very appealing in case of dense and uncoordinated deployments of home eNBs, also known as femtocells. One of the proposed schemes for LTE-Advanced is known as Autonomous Component Carrier Selection (ACCS). Previous contributions presented extensive downlink performance results attesting the effectiveness of ACCS. Nonetheless, the uplink has its own set of specificities, such as the use of Fractional Power Control (FPC). In this light, the purpose of this paper is two-fold: provide qualitative and quantitative answers to questions such as what is the impact of FPC on femtocells and how to best configure it. Evaluate in detail the uplink performance of ACCS under realistic power control settings.

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