Research on UWB base station network deployment algorithm for indoor 3D models
In addressing the challenges of complex indoor environments,low efficiency in UWB base station deployment,and the inability to guarantee positioning accuracy,a novel UWB base station geometric grid optimization algorithm based on real indoor three-dimensional scenes was proposed.The three-dimensional scene was divided into a 3 m×3 m×1 m volumetric grid,with grid points forming the vector space for base station deployment.The PDOP(position dilution of precision)values of grid points in the positioning area were taken as the objective function,and the Helen formula was applied to eliminate ill-conditioned grid patterns,achieving rapid optimization of the UWB base station deployment grid.To validate the effectiveness of the new method,experiments were conducted in a specific experimental building.The results indicated that,compared to conventional rectangular and rhombic grid patterns,the new method achieved an average PDOP improvement of 5.70％and 6.06％,and an average positioning accuracy improvement of 46.34％and 36.68％,respectively.
UWBindoor three-dimensional modeloptimization of network layoutbase station layoutPDOP
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