Downlink Traffic Scheduling for LTE-A Small Cell Networks With Dual Connectivity Enhancement


Tiny cells are a promising resolution to increase the network capacity and to offload network traffic for LTE-A networks. In an LTE-A small cell network, there's one macro eNB (MeNB) and several slave eNBs (SeNBs). Recently, the dual connectivity technology is proposed for enhancing LTE-A small cell networks. For a user equipment (UE) that has twin connectivity, the MeNB can split the UE's downlink traffic and enable this UE to receive its downlink information from the MeNB and an SeNB simultaneously. In this work, we have a tendency to propose a downlink traffic scheduling (DTS) scheme for the MeNB to arrange the info rate of downlink traffic splitting to SeNBs for UEs that have twin connectivity. Simulation results indicate that the proposed scheme can effectively increase the network throughput for LTE-A small cell networks with twin connectivity enhancement.

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