The invention discloses a UWB-based distance measuring device and a distance measuring
time sequence method thereof. The distance measuring device comprises a plurality of positioning base stations and a to-be-located
label. The positioning base stations and the
label exchange
timestamp information through UWB communication. The positioning base stations include first main control chips, DWM1000 modules,
Ethernet modules and power supply modules. The
label includes a second main control
chip, a DWM1000 module and a power supply module. In addition, according to the distance measuring
time sequence method, bilateral bidirectional
ranging is adopted. When the label moves in space, a distance measuring
signal is sent to a
base station in the space periodically, the
base station carries out distance measuring confirmation by responding to the
signal; and then the label sends a final
signal to complete distance measuring communication once. According to the invention, the UWB-based distancemeasuring
time sequence method has high robustness; the
energy consumption of the label is effectively reduced; and the positioning precision is improved.