4D endogenous safety indoor positioning method based on intelligent metasurface and positioning system thereof
A positioning method and metasurface technology, which can be applied to services based on specific environments, scattering and propagation systems, electrical components, etc., can solve the problems of inability to take into account positioning accuracy, reference node layout for environmental changes, information security, etc., to improve accuracy and safety. Safety, high-precision indoor positioning, the effect of increasing flexibility
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[0050] Example 1
[0051] like figure 1 As shown, a 4D endogenous safe indoor positioning method based on intelligent metasurface, the method includes the following:
[0052] The wireless positioning signal is transmitted by the positioning device, and the wireless positioning signal is reflected by the reconfigurable characteristics of the electromagnetic environment of the intelligent metasurface, and reflected into multiple spatial beam signals to scan the indoor three-dimensional space;
[0053]Then the positioning terminal receives the spatial beam signal, and modulates the biometrics of the positioned terminal in the reflection positioning signal by means of backscattering; the intelligent metasurface analyzes and processes the received reflection positioning signal, This expands the dimension of spatial positioning information and realizes indoor safety positioning.
[0054] In a specific embodiment, as figure 2 As shown, the intelligent metasurface is an indoor ele...
Example Embodiment
[0078] Example 2
[0079] like figure 1 As shown, a 4D endogenous safe indoor positioning method based on intelligent metasurface, the method includes the following:
[0080] The wireless positioning signal is transmitted by the positioning device, and the wireless positioning signal is reflected by the reconfigurable characteristics of the electromagnetic environment of the intelligent metasurface, and reflected into multiple spatial beam signals to scan the indoor three-dimensional space;
[0081] Then the positioning terminal receives the spatial beam signal, and modulates the biometrics of the positioned terminal in the reflection positioning signal by means of backscattering; the intelligent metasurface analyzes and processes the received reflection positioning signal, This expands the dimension of spatial positioning information and realizes indoor safety positioning.
[0082] In a specific embodiment, as figure 2 As shown, the intelligent metasurface is an indoor el...
Example Embodiment
[0111] Example 3
[0112] A positioning system based on an intelligent metasurface, the positioning system includes
[0113] Positioning equipment for transmitting wireless positioning signals;
[0114] An intelligent metasurface, which is used to reflect wireless positioning signals into multiple spatial beam signals, and analyze and process the reflected positioning signals;
[0115] The positioned terminal is used for receiving the spatial beam signal, and modulates the biological characteristics of the positioned terminal in the reflected positioning signal for transmission.
[0116] In a specific embodiment, as figure 2 As shown, the intelligent metasurface is an indoor electromagnetic environment reconstruction device, and the intelligent metasurface includes a large-scale device array, an array control board, and several reflective device units are arranged on the large-scale device array;
[0117] The array control board is used to control the working state of each...
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