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It is expected that future cellular networks will be densely deployed with both macro cells and small cells to meet the ever-increasing traffic demand, and a cost-effective and reliable backhaul connectivity will be essential to such deployment scenarios. As wired backhaul solutions may not be always practical or feasible, in this paper we consider wireless in-band backhaul for a network with macro...
An emerging scenario to be considered for further evolution of Long-Term Evolution and beyond is a multi-carrier ultra-dense network (MC-UDN). Advanced carrier aggregation (ACA) techniques, such as carrier switching, lightweight carriers, opportunistic transmissions, and adaptive resource optimization schemes, provide important means for the MC-UDN to allocate carrier-level resources properly and...
Device-to-device (D2D) communications can be underlaid with a cellular infrastructure to increase resource utilization, improve user throughput and extend battery lifetime of user equipment. This paper studies a hybrid D2D and cellular system where D2D transmissions are controlled by the cellular base transceiver stations (BTSs) and use the cellular uplink resource blocks. A two-layer power control...
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