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- Title
A novel circularly polarized reader antenna design for UHF RFID applications.
- Authors
Akdag, Ismail; Gocen, Cem; Palandoken, Merih; Kaya, Adnan
- Abstract
In this article, a novel ultra-high frequency radio frequency identification (UHF RFID) reader antenna is proposed and experimentally investigated. The proposed RFID antenna design consists of three layers; the first layer has a ring shape with a feeding line at the center, the second layer has a small periodic structure that affects the radiation performance of the antenna, and the third layer has a bent metal structure. The final design, with the dimensions of 129.2 mm × 129.2 mm × 26 mm, yields a 10-dB impedance bandwidth of 34 MHz (854–889 MHz) and a 3-dB axial-ratio bandwidth of 118 MHz (857–975 MHz). The antenna is fabricated and tested for its RF parameters and RFID metrics. In performance tests, ISO 18000–63 and Gen2v2 compatible RFID reader and tags are used. RFID tag reading tests have been successfully performed under specified communication protocols without any operational failure while providing RF communication. The measured results prove the technical potential of the proposed antenna to possess good RF performance in RFID based wireless networks.
- Subjects
ANTENNA design; UHF antennas; RADIO frequency identification systems
- Publication
Wireless Networks (10220038), 2022, Vol 28, Issue 6, p2625
- ISSN
1022-0038
- Publication type
Article
- DOI
10.1007/s11276-022-02998-8