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This paper proposes a reader antenna, improving the inductive coupling with a small coil whatever its position or orientation against the reader antenna. Sub-coils are inserted and the turn number is optimized in order to improve efficiency of the inductive coupling in the case of HF RFID volume detection in keeping constant the magnetic energy generated by the reader.
This paper proposes a reader antenna, improving the inductive coupling with a small coil whatever its position or orientation against the reader antenna. Sub-coils are inserted and the turn number is optimized in order to improve efficiency of the inductive coupling in the case of HF RFID volume detection in keeping constant the magnetic energy generated by the reader.
This paper presents the impact of reader antenna performance on read range of a fully printable multi-resonator based chipless RFID system. Three types of antennas - an omni-directional monopole, a dipole reflector and a 2×2-array of dipole reflector are used to examine the efficiency of the reader. The 2×2-array dipole reflectors gives the largest read range of approximately 110 mm.
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