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In co-channel deployment of macrocell and indoor femtocells, almost blank subframe (ABS) is considered as an effective enhanced inter-cell interference coordination strategy for mitigating downlink cross-tier interference. In this paper, a novel distributed dynamic ABS ratio setting scheme is proposed for dense residential femtocell deployment with closed subscriber group configuration. Both the overall...
Femtocells are low-power user-deployed base stations that operate in licensed spectrum and provide high-quality cellular service in indoor environments. However, there may be severe cross-tier interference between femtocells and macrocells. In this paper, our focus is on downlink traffic channel interference management for macrocell users. We propose a novel interference management scheme in macro-femto...
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