The development of satellite positioning technology has solved the problem of precise positioning in the broad outdoor space, and location service (LBS) has gradually become an indispensable part of people's life and work. However, since satellite positioning signals are shielded by buildings in an indoor environment, satellite positioning technology cannot achieve precise positioning in an indoor environment. Most of the existing indoor positioning systems need to be equipped with additional devices, which increases the cost of hardware purchase and maintenance. At the same time, the map production needs to be manually drawn, which takes a lot of time and manpower. In order to solve these problems, this paper designed a low cost and high efficiency indoor high-precision positioning system, which uses indoor LED lamps as positioning base station and the SLAM technology commonly used in robotics to perform the 2D or 3D indoor map mapping.
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