A fine-grained multi-target passive positioning method based on RFID
A positioning method and passive technology, applied in the field of wireless positioning, can solve problems such as unsatisfactory, unsatisfactory accuracy, and cheap equipment, and achieve the effects of reducing time complexity, good dynamic adaptability, and good dynamic changes
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[0151] Two common RFID systems were used to complete the test in the laboratory of Northwestern University's School of Information Science and Technology. Multiple tables, shelves, desktop computers, etc. were placed in the laboratory to form a complex indoor environment. In this experiment, there are a total of three different experiments to verify the effectiveness, robustness and advantages of the present invention compared with other methods. Each experiment has a different experimental scenario and is completed by 7 volunteers for a total duration of In 14 hours, 1,054,400 pieces of data were collected.
[0152] This embodiment adopts the first scene of Experiment I. In scene one, 25 RFID tags form a 5*5 tag matrix, and the interval between each pair of tags is 1.2m, thereby forming a monitoring area of 480cm*480cm. Two RFID readers and their corresponding antenna arrays are placed on adjacent sides of the monitoring area. In this scenario, there are a total of 4 volun...
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