Mobility

Adaptive Soft Frequency Reuse Scheme for Inbuilding Dense Femtocell Networks

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Executive Summary

Femtocell networks have emerged as a key technology in residential, office building or hotspot deployments that can significantly improve the coverage and performance of next-generation wireless networks. But, in the co-channel deployment scenarios, dense inter-femto interference might significantly deteriorate the overall system performance. In this paper, a new adaptive soft frequency reuse scheme in the dense femtocell networks is proposed where multiple dominant interference from dense femtocells is classified into a number of groups, and different frequency reuse factors and transmit powers for these groups are adjusted adaptively to mitigate the mutual interference.

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