Directional UHF near-field RFID reader antenna with an improved magnetic field distribution

In this paper, a directional ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna is designed with an improved magnetic field distribution. Utilizing a high impedance surface (HIS) as a reflector, the proposed segmented grid-loop antenna shows a significant impr...

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Bibliographic Details
Main Authors: Yunjia Zeng, Xianming Qing, Zhi Ning Chen, Jian-Ming Jin
Format: Conference Proceeding
Language:English
Subjects:
Antenna measurements
Benchmark testing
high impedance surface (HIS)
Magnetic field measurement
Magnetic fields
Near-field antenna
radio frequency identification (RFID)
Radiofrequency identification
segmented loop
UHF antennas
ultra-high frequency (UHF)
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Description
Summary:In this paper, a directional ultra-high frequency (UHF) near-field radio frequency identification (RFID) reader antenna is designed with an improved magnetic field distribution. Utilizing a high impedance surface (HIS) as a reflector, the proposed segmented grid-loop antenna shows a significant improvement compared with the benchmark example in terms of a more evenly distributed and stronger magnetic field.
ISSN:2159-3450
DOI:10.1109/TENCON.2016.7847975