A 3D positioning method based on visible light communication is proposed. Compared to the previous methods, we only need three light emitting diodes (LEDs) with known coordinates to obtain the object position without the priori knowledge of the receiver's height and tile angle. The gradient descent method and vector method are used to obtain the coordinate and inclination of the object (i.e., camera). To validate the effectiveness of our methods, the relation of mean positioning error caused by the discrete camera sensor pixel and the system parameters (i.e., focal length of the camera, pixel density and height of the receiver) is analyzed. Simulation results show the quantization error is about 5 cm.


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    Title :

    High-Accuracy Three-Dimensional Visible Light Positioning Systems Using Image Sensor


    Contributors:
    Liu, Peixi (author) / Jiang, Rui (author) / Bai, Ruowen (author) / Mao, Tianqi (author) / Quan, Jinguo (author) / Wang, Zhaocheng (author)


    Publication date :

    2018-06-01


    Size :

    2862024 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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