Small circularly polarized U-slot wideband patch antenna

Ka Yan Lam, Kwai-Man Luk, Kai Fong Lee, Hang Wong, Kung Bo Ng

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

163 Citations (Scopus)

Abstract

A single-feed circularly polarized (CP) patch antenna at L-band is designed and built using the recently developed U-slot loaded patch technique. With the presence of the U-slot, the antenna fabricated on a high-dielectric-constant (εr = 10.02) substrate achieves a reasonable axial-ratio bandwidth. At the operating frequency of 1.575 GHz, the size of the patch is 0.13λo× 0.13λo, while the ground size is 0.315λo × 0.315λo and the thickness of the substrate is 0.05λo. The measured gain is 4.5 dBi, and axial-ratio bandwidth is 3.2%. © 2006 IEEE.
Original languageEnglish
Article number5706334
Pages (from-to)87-90
JournalIEEE Antennas and Wireless Propagation Letters
Volume10
DOIs
Publication statusPublished - 2011

Research Keywords

  • Circularly polarized (CP)
  • patch antenna
  • U-slot

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