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dc.contributor.authorYi, Da
dc.contributor.authorZhang, Ren-Long
dc.contributor.authorTang, Ming-Chun
dc.contributor.authorFu, Jing-Feng
dc.contributor.authorLi, Yao
dc.contributor.authorLi, Xing-Xing
dc.contributor.authorZhao, Huapeng
dc.contributor.authorZiolkowski, Richard W.
dc.date.accessioned2024-05-16T18:56:29Z
dc.date.available2024-05-16T18:56:29Z
dc.date.issued2024-03-20
dc.identifier.citationD. Yi et al., "Pattern-Reconfigurable, Circularly Polarized, High-Gain, Archimedean Spiral Antenna Array for Long-distance, Wide-Coverage RFID Inventorying," in IEEE Journal of Radio Frequency Identification, doi: 10.1109/JRFID.2024.3379875.en_US
dc.identifier.doi10.1109/jrfid.2024.3379875
dc.identifier.urihttp://hdl.handle.net/10150/672372
dc.description.abstractA low-cost, pattern-reconfigurable, circularly polarized, high-gain, radio-frequency identification (RFID) reader antenna array is presented. It is a 2 × 2 array whose elements are based on an innovative Archimedean spiral design. A 4-way power divider feed network with switchable delay lines is designed that enables reconfiguring the radiation patterns of the array. Because of its high realized gain and nine reconfigurable states, the developed reader antenna can be applied in long-distance, wide-coverage RFID inventorying. The fabricated prototype, with dimensions 1.15 × 1.15 × 0.07 λL3 at 920 MHz, achieves a measured axial-ratio (AR) fractional bandwidth of 4.6%, and a peak realized gain (RG) of 10.5 dBic (12 dBic without the feed network). The RG of its reconfigurable patterns is greater than 6 dBic within θ = 0±45for all azimuth angles. It was also tested in an outdoor range as the reader antenna for a practical RFID system. The maximum read distance was 22.3 m.en_US
dc.description.sponsorshipChongqing Natural Science Foundationen_US
dc.language.isoenen_US
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en_US
dc.rights© 2024 IEEE.en_US
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en_US
dc.subjectAntenna arrayen_US
dc.subjectAntenna arraysen_US
dc.subjectAntenna measurementsen_US
dc.subjectcircular polarizationen_US
dc.subjectDipole antennasen_US
dc.subjectpattern-reconfigurable antennaen_US
dc.subjectPhased arraysen_US
dc.subjectPower dividersen_US
dc.subjectRadiofrequency identificationen_US
dc.subjectRFID read antennaen_US
dc.subjectSpiralsen_US
dc.titlePattern-Reconfigurable, Circularly Polarized, High-Gain, Archimedean Spiral Antenna Array for Long-distance, Wide-Coverage RFID Inventoryingen_US
dc.typeArticleen_US
dc.identifier.eissn2469-7281
dc.identifier.eissn2469-729X
dc.contributor.departmentDepartment of Electrical and Computer Engineering, The University of Arizonaen_US
dc.identifier.journalIEEE Journal of Radio Frequency Identificationen_US
dc.description.noteImmediate accessen_US
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal accepted manuscripten_US
dc.source.journaltitleIEEE Journal of Radio Frequency Identification
dc.source.beginpage1
dc.source.endpage1
refterms.dateFOA2024-05-16T18:56:30Z


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