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In this paper, the green operation of heterogeneous LTE cellular networks is investigated. In addition to macrocells, small cells are used to offload traffic and increase the capacity of the network. A combination of mains-powered small cells and renewable energy small cells (RESCs) is considered, where the latter corresponds to small-cell base stations powered by renewable energy sources, e.g., solar...
This paper presents a generic approach for dimensioning LTE/LTE-A cellular networks. Dimensioning is the first step of cellular network planning that determines the approximate number of base stations (BSs) needed to cover a certain area. The proposed approach takes into account user density, service subscriptions, resource allocation, and interference mitigation. It can be implemented in heterogeneous...
The energy efficiency in wireless networks is currently a central concern of research. We propose in this paper a new energy efficiency scheme which allocates the mobile's transmission power in function of the allocated Resource Blocks (RB) and the channel conditions of the user on the allocated RBs. We focus on the energy efficiency of the Opportunistic and Efficient Resource Block Allocation (OEA)...
This paper investigates the large scale deployment of LTE small cell/femtocell networks. The interplay between the different small cell base stations (BSs) is studied in order to achieve the best user performance taking into account resource allocation, interference mitigation, outage rates, and energy efficiency in the network. A green approach for achieving energy efficiency while meeting the quality...
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