Positioning system and positioning method of indoor high-density mobile tags
A mobile tag and positioning system technology, applied in the field of indoor high-density mobile tag positioning system, can solve the problems that TWR cannot adapt to indoor high density and high power consumption, reduce bandwidth, etc., to prolong battery life, reduce power consumption, improve The effect of positioning accuracy
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[0043] see figure 1 , the positioning system is mainly composed of positioning server, Ethernet switch, synchronous clock controller, anchor node and label node. Wired Ethernet communication is used between the positioning server, the synchronous clock controller and the anchor nodes; the synchronous clock controller provides the UWB transceiver circuit clock of each anchor node and completes the positioning timer synchronization among all anchor nodes in the system; the anchor node receives the tag node UWB data packet, record the time (time stamp) of receiving the data packet, and repackage the original data packet content and time stamp to the positioning server, and the positioning server runs the positioning algorithm to complete the positioning of the mobile tag node based on TDOA.
[0044] Both the anchor node and the label have a unique address mark. The anchor node and the mobile label node adopt LF and UWB dual-frequency communication methods. UWB realizes the uplink...
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