Moving target real-time positioning method based on visible light communication
A visible light communication and moving target technology, applied in the field of real-time positioning of moving targets based on visible light communication, can solve the problem of high energy consumption, reduce communication delay, facilitate real-time positioning, and reduce clock synchronization errors.
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[0034] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0035] A real-time positioning method for moving targets based on visible light communication provided by the present invention combines mobile terminals such as mobile phones with a large indoor environment to achieve low energy consumption and high-precision indoor positioning, such as figure 1 shown, including the following steps:
[0036] Step 1: Divide the m LED nodes in the room into n cells, increase the coverage of positioning, and utilize the high positioning accuracy of LEDs with equilateral triangle geometry to the greatest extent.
[0037] In order to meet high-precision real-time positioning, an improved time-division multiplexing networking system is adopted. A network source center node is selected in each cell, and the network source center node is selected to apply for a time slot segment from the gateway through competitio...
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