An Improved Two-way Bilateral Ranging Method
A distance measurement method and bilateral technology, applied in the direction of measuring devices, radio wave measurement systems, instruments, etc., can solve the problems of long time consumption and long channel occupation time, and achieve the effect of low power consumption and high positioning accuracy
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[0029] like figure 1 As shown, Tag is a mobile node, A, B, C, and D are fixed reference nodes, and A is a master fixed reference node, and B, C, and D are slave fixed reference nodes. Mobile node Tag at short time interval T 1 Two consecutive broadcast signals (both ultra-wideband signals) are transmitted, which are signal 1 and signal 2, respectively. The four fixed reference nodes A, B, C, and D can all receive signal 1 and signal 2. Because the distances from the mobile node Tag to the four fixed reference nodes A, B, C, and D are not equal, the time when the four fixed reference nodes A, B, C, and D receive signal 1 and signal 2 are also different. The difference is (C is the speed of light, ΔS AB is the difference between the distance from the mobile node Tag to the main fixed reference node A and the distance from the mobile node Tag to the slave fixed reference node B, ΔS AC is the difference between the distance from the mobile node Tag to the main fixed referen...
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