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https://www.mdpi.com/2072-4292/16/7/1197 High-Precision Time Difference of Arrival Estimation Method Based on Phase Measurement In unmanned aerial vehicle (UAV)-based time difference of arrival (TDOA) positioning technique, baselines are limited due to communication constraints. In this... time difference of arrivalhigh precision https://www.scirp.org/journal/paperinformation?paperid=19652 Hybrid Uplink-Time Difference of Arrival and Assisted-GPS Positioning Technique A hybrid positioning system is merely one in which multiple systems are used for positioning purposes. This virtually always, though not necessarily, includes... time difference of arrivalassisted gpshybriduplink