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User-Driven Handover Scheme in Long-Term Evolution (LTE) Macro/Femto Cells for High Speed Scenarios

Ubiquitous communication depends upon an expanded capacity and suitable Quality of Service (QoS). To meet these requirements, LTE mobile network providers deploy small cells in shadow zones and next to base station to increase the network capacity and coverage for Mobile users. An optimal cell selection scheme in such scenario allows User Equipment (UE) to reconnect to the most convenient cell while maintaining its QoS requirements. To this end, this paper presents an UE triggered handover where cell selection is performed by mobile terminal instead of classical cell selection where the process in launched and controlled by eNB. A comprehensive analysis of the proposed scheme is presented, compared with classical handover triggered by evolved NodeB (eNB) at varying speeds to demonstrate its robustness.