Broadband RFID tag antenna with quasi-isotropic radiation pattern
- Authors
- Cho, C; Choo, H; Park, I
- Issue Date
- 29-Sep-2005
- Publisher
- IEE-INST ELEC ENG
- Citation
- ELECTRONICS LETTERS, v.41, no.20, pp.1091 - 1092
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 41
- Number
- 20
- Start Page
- 1091
- End Page
- 1092
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/25151
- DOI
- 10.1049/el:20052337
- ISSN
- 0013-5194
- Abstract
- A passive RFID tag antenna in the UHF band using two bent dipoles and a modified double T-matching network is proposed. The antenna was fabricated with a thin copper layer printed on a 50 mu m-thick PET substrate for low-cost production. The proposed antenna provided a quasi-isotropic radiation pattern and a fairly broad bandwidth S-11 < -10 dB, 8.5%) for conjugate-matching with a commercial tag chip. The efficiency of the antenna was about 90% in the operating frequency band. The measured readable range was between 170 - 240 cm for an arbitrary rotation angle of the tag.
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Collections - College of Engineering > School of Electronic & Electrical Engineering > 1. Journal Articles
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