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U-shaped slot-array antenna for RFID shelf in the UHF
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- Authors
- Won Kyu Choi, Ji-Hoon Bae, Jong-Suk Chae, Chan-Won Park
- Issue Date
- 2011-07
- Citation
- Antennas and Propagation Society International Symposium (APSURSI) 2011, pp.1449-1451
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents a linearly polarized slot-array antenna that consists of slots series-fed by a microstrip line for RFID shelf applications in the UHF band in which the end of the line is shorted to the ground plane by the via-hole. The radiating element of the antenna is the U-shaped slot fed by the travelling and standing current wave formed on the microstrip line left shorted-end. The gain of the designed 36 slot-array antenna is about 4dBi and the fractional return-loss bandwidth of less than 10dB about 5.5% at 920MHz. © 2011 IEEE.
- KSP Keywords
- Ground Plane(GP), Linearly polarized, Microstrip Line, Radiating Element(RE), Slot array antenna, U-shaped slot, UHF band, Via-hole, series-fed