Compact dual-band printed quadrifilar antennas for UHF RFID/GPS operations

Kyoung Sub Oh; Wang Ik Son; Sung Yong Cha; Moon Que Lee; Jong Won Yu

doi:10.1109/LAWP.2011.2163610

Compact dual-band printed quadrifilar antennas for UHF RFID/GPS operations

Kyoung Sub Oh, Wang Ik Son, Sung Yong Cha, Moon Que Lee, Jong Won Yu

School of Electrical and Computer Engineering

Korea Advanced Institute of Science and Technology

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

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°.

Original language	English
Article number	5975195
Pages (from-to)	804-807
Number of pages	4
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	10
DOIs	https://doi.org/10.1109/LAWP.2011.2163610
State	Published - 2011

Keywords

Circular polarization
Global Positioning System (GPS)
dual-band antenna
printed quadrifilar antenna (PQA)
ultrahigh frequency radio frequency identification (UHF RFID)

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10.1109/LAWP.2011.2163610

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keywords = "Circular polarization, Global Positioning System (GPS), dual-band antenna, printed quadrifilar antenna (PQA), ultrahigh frequency radio frequency identification (UHF RFID)",

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AU - Yu, Jong Won

PY - 2011

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AB - 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°.

KW - Circular polarization

KW - Global Positioning System (GPS)

KW - dual-band antenna

KW - printed quadrifilar antenna (PQA)

KW - ultrahigh frequency radio frequency identification (UHF RFID)

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Compact dual-band printed quadrifilar antennas for UHF RFID/GPS operations

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Keywords

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