Three Label Tags for Special Applications: Attaching on Small Targets, Long Distance Recognition, and Stable Performance with Arbitrary Objects
- Authors
- Choo, Jaeyul; Cho, Chihyun; Choo, Hosung
- Issue Date
- May-2014
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- RFID; tag; small antenna; circular polarization; stable reading performance
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E97B, no.5, pp.1022 - 1029
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E97B
- Number
- 5
- Start Page
- 1022
- End Page
- 1029
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/16714
- DOI
- 10.1587/transcom.E97.B.1022
- ISSN
- 0916-8516
- Abstract
- This paper designs tag antennas to satisfy three key goals: mounting on very small objects, extending the reading range with planar structures, and maintaining stable performance on various materials. First, the size of the tag is reduced up to 17% compared to the half-wavelength dipole without a large reduction in bandwidth and efficiency by introducing an inductively coupled feed structure. Second, the reading range is increased to 1.68 times that of the reference dipole tags while maintaining the planar structure using circular polarization characteristics. Finally, a stable reading range is achieved with a deviation in the reading range of only 30% of that of commercial tags on various objects by employing the capacitively-loaded and T-matching network.
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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