Pedestrian positioning correction method based on distance approximation discrimination Bluetooth
A positioning correction and Bluetooth technology, which is applied to services based on location information, services based on specific environments, and short-distance communication services. It can improve the accuracy and reliability of correction, avoid trajectory transfer, and avoid frequent error correction and summation.
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[0031] Embodiment 1, a pedestrian positioning correction method based on distance approximation discrimination Bluetooth, such as figure 1 shown, including the following steps:
[0032] S1) Establish a bluetooth node network according to the indoor building layout. The bluetooth node network includes several bluetooth nodes, and several bluetooth nodes are respectively located at different positions of the building; different positions of the building include doorways, windows, corners or Entrance and exit etc. The distance between two Bluetooth nodes is set to 20-30 meters.
[0033] S2) Perform parameter initialization configuration on the dead reckoning system for pedestrians, and initialize the observable Bluetooth node B0 closest to the mobile terminal and the distance value D0 from the observable Bluetooth node B0 to the mobile terminal.
[0034]In step S2), the observable Bluetooth node B0 closest to the mobile terminal is initialized to a null value, and the distance ...
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