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To achieve ever increasing demand for higher user throughput, 3rd Generation Partnership Project (3GPP) have introduced Carrier Aggregation (CA) feature in the Long-Term Evolution — Advanced (LTE-A) standard. Wherein, the CA feature widens the transmission bandwidth by aggregating multiple Component Carriers (CCs) to meet the demand for higher data rate. To the best of our knowledge, till now available...
An LTE-Advanced (LTE-A) Heterogeneous Network (HetNet) constitutes of a macro cell and small cells, where, the former acts as an overlay network and the latter as an underlay network. In HetNet, enabling Carrier Aggregation (CA) usually results in severe downlink interference at small cells from macro cell because of high powered transmissions from macro cell on over-lapping component carriers (co-channels)...
Power saving-semipersistent scheduler (PS-SPS) for voice over LTE (VoLTE) traffic was proposed in the downlink of LTE-A cell to reduce the energy consumption of the eNodeB. PS-SPS introduces the energy saving ability through a modification of traditional SPS (T-SPS) in allocating downlink Physical Resource Block (PRBs) to VoLTE users. In this paper, we first identify the drawbacks of PS-SPS that might...
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