In the paper,the positioning problem of delivery vehicles in some special scenarios is analyzed and studied,and proposes a real-time positioning method based on narrow-wave ultra-wideband.On the basis of analyzing the basic principle and advanced nature of narrow-wave ultra-wideband,a time-of-flight ranging method is proposed for single-base station single-tag,single-base station multi-tag and single-tag multi-base station multi-directional and other ranging methods.A set of algorithms for calculating coordinate values within a specified range is proposed,so as to realize the real-time positioning requirements of delivery vehicles.
Key words
narrow-wave ultra-wideband /
TOF ranging /
real-time positioning
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