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In order to lower the ramp risk and improve the aircraft ground handling efficiency, we aim to: 1) track ground support equipment (GSE) in a real-time and high-accuracy manner so that we can not only conveniently obtain the positions and velocities of them but also reliably report latent collisions among aircraft and GSE. As a result, corresponding ramp risks could be detected and handled in advance and 2) schedule the GSE in an optimal manner based on the real-time data gathered in advance to make efficient use of GSE so that we can smoothly serve the annually increasing air traffic while controlling the ramp area congestion and GSE overheads. In detail, first, we develop a real-time and high-accuracy tracking device consisting of one real-time kinematic (RTK) unit and heading unit(s), for GSE including not only those which have only one carriage, such as tractors, shutters, and so forth but also baggage transit …