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| Overlapped Growth Ring Passive Radio Frequency Identification Positioning Algorithm Design |
| LIU Jie-a, ZHANG Jin-Yi-a, b , c , CHA Zhao-Xiang-a, LU Heng-Li-a, ZHOU Rong-Jun-a |
| (a.Key Laboratory of Special Fiber Optics and Optical Access Networks，Ministry of Education；b.Microelectronic Research and Development Center； c.Key Laboratory of Advanced Displays and System Application, Ministry of Education, Shanghai University, Shanghai 200072, China) |
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Abstract To solve the radio frequency identification(RFID) positioning problem, reader antennas’ layout and a growth ring probability model were established. Then, a growth ring positioning algorithm which uses Kp modification and double-tags-edge-revising was proposed to realize accurate positioning. The experimental results show that, compared to the proximity algorithm, the overlapped growth ring passive RFID positioning algorithm decreases the positioning error by 33.929% and the cumulative probability function of positioning error reaches high probability values faster.
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Received: 16 April 2012
Published: 30 November 2012
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