Compact Dual-Band Printed Quadrifilar Antennas for UHF RFID/GPS Operations
This letter presents a simple and innovative method for designing and optimizing two circularly polarized printed quadrifilar antennas (PQAs). The PQAs are operated at UHF RFID (902-908 MHz) and GPS (1575 MHz) and intended for use at a portable terminal. This new antenna system comprises two PQAs concentrically arranged, but electrically isolated. Each PQA comprises four inverted-F monopoles arranged orthogonally and excited with a phase difference of 90 degrees.
- Issue Date
- 2011-08
- Language
- English
- Article Type
- Article
- Citation
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, v.10, pp.804 - 807
- ISSN
- 1536-1225
- Appears in Collection
- EE-Journal Papers(저널논문)
- Files in This Item
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