Design of a handover management scheme for unmanned aerial vehicle-assisted network
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An unmanned Aerial vehicle is an autonomously flying aircraft controlled by an individual. UAVs are currently used as aerial base stations to support the macro and micro-ground base stations. These deployments are usually to provide coverage and capacity. However, there are many implications that come along with the deployment of the UAVs and the key issue is handover. This project is aimed to design a handover management scheme that enables a seamless handover during the mobility of the users as they move from one cell to another in a communication network. This was achieved through modelling a three-tier network with macro, micro, and UAV base stations, developing an adaptive hysteresis margin algorithm that enables a smooth connection in a UAV-assisted network the comparing the developed algorithm with the already existing algorithm. The results show that the performance of a network improved the algorithm by 13%. In this project, the handover performance of the networks with and without the algorithm has been studied. the results show that the optimal triggering of the handover depending on the hysteresis margin and signal-to-interference ratio improves the network performance and the performance evaluation was carried out using the number of handover success rate, spectral efficiency, and number of successful handovers.