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Femtocell networks are being deployed in homes and offices to extend the services of cellular networks in indoor network environment. In this paper we propose a cognitive radio based autonomous femtocell network architecture that shares the radio spectrum of a 4G macrocell network. The proposed femtocell architecture uses an overlay access mechanism under the presumption of a hierarchical access scenario...
Femtocell networks are widely being deployed to extend cellular network coverage in indoor environments such as office building spaces and homes. In order to mitigate possible co-channel interferences, designs based on the concept of cognitive radio (CR) that enables an overlay between macrocell (primary) and femtocells (secondary) has been considered a promising approach. The paper first introduces...
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