Multiple-bridge-loop reader antenna for improved positioning and localisation

Publication Type:
Journal Article
Electronics Letters, 2012, 48 (16), pp. 979 - 980
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Introduced is a novel HF RFID bridge reader antenna suitable for accurate positioning and localisation. Conventional HF RFID reader antennas can only indicate the presence or absence of a tag(s). The proposed reader antenna uses multiple loops to form multiple bridges so that the position of tags with respect to the reader recognition area can be obtained. The bridge-loop configuration can split the overall reader recognition area into sub-zones so that the location of the detected tag(s) with respect to these zones can be identified to help to improve positioning accuracy. Simulation and experimental results confirm the operation of the proposed bridge-loop HF RFID reader antenna. © 2012 The Institution of Engineering and Technology.
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