Indoor/outdoor location system based on radio frequency identifications (RFID) and data base and location method thereof
An indoor and outdoor positioning and electronic label technology, applied in the field of indoor and outdoor positioning systems, can solve the problems of user's location and other privacy exposure, low deployment cost, etc., to solve the location and privacy exposure, improve security and privacy, and deploy low cost effect
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[0042] Embodiments of the present invention are further described below with reference to the accompanying drawings.
[0043] like figure 1 As shown, the indoor and outdoor positioning system based on electronic tags and databases of the present invention includes a reading device 1 and several electronic radio frequency tags 2; the electronic radio frequency tags 2 and the reading device 1 are identified by radio frequency.
[0044] The reading device 1 adopts a portable reader. If the wireless transmission frequency of the reading device 1 is high frequency, its reading distance is 0 to 20 cm; if the wireless transmission frequency of the reading device 1 is ultra-high frequency, Its reading distance is 0 to 2 meters. The reading device 1 is internally provided with a database, and the database records the geographic location information of the location of each electronic radio frequency tag 2 that is matched. The reading device 1 reads the position code information in the...
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