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This paper introduces the concept of virtual cells in Time-Division Long Term Evolution (TD-LTE) systems, which enables users residing in overlapping cells' coverage regions to utilize resources from multiple base stations. The benefits of virtual cells are realized by the efficient resource utilization, via adapting the network resource availability with the traffic demand taking also into account...
In this paper, we present a novel small cell activation mechanism for heterogeneous networks, which considers the energy saving gains obtained based on the amount of traffic load offloaded from the macro cell to small cells, while avoiding UE QoS degradation. The main idea is to offload traffic to small cells in energy saving mode, only when there is significant energy saving gains achievable from...
Local area deployments in general and femtocells in particular have proved to be an effective solution for providing ubiquitous coverage in a cost-efficient manner, satisfying the high data rate and QoS requirements for LTE-Advanced systems. In this paper, we investigate inter-cell interference management schemes for dense local area deployments. We propose a distributed capacity based channel allocation...
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