Coplanar patch antenna with tilted-beam radiation for pattern steerable applications

C. C. Wang, T. Y. Lin, Jeen-Sheen Row

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A design of generating tilted beam radiation from microstrip antennas is described in this paper. The antenna has a coplanar annular patch, and it is excited by a top-loaded probe through gap coupling. When the antenna is operated at the TM02 mode of the ring patch, its radiation pattern can be changed from a uniform conical beam to a tilted beam by moving the feed point from the antenna center. The direction and directivity of the tilted beam are related to the feed position and the offset distance, respectively. Experimental results indicate that the directivity of the tilted beam is 2 dB higher than that of the original uniform conical beam, and they have good agreements with simulated results carried out with HFSS.

Original languageEnglish
Pages (from-to)1625-1632
Number of pages8
JournalJournal of Electromagnetic Waves and Applications
Volume25
Issue number11-12
DOIs
Publication statusPublished - 2011 Sep 7

Fingerprint

patch antennas
Microstrip antennas
Antennas
Radiation
antennas
Antenna feeders
directivity
microstrip antennas
probes
rings
radiation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)
  • Electrical and Electronic Engineering

Cite this

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abstract = "A design of generating tilted beam radiation from microstrip antennas is described in this paper. The antenna has a coplanar annular patch, and it is excited by a top-loaded probe through gap coupling. When the antenna is operated at the TM02 mode of the ring patch, its radiation pattern can be changed from a uniform conical beam to a tilted beam by moving the feed point from the antenna center. The direction and directivity of the tilted beam are related to the feed position and the offset distance, respectively. Experimental results indicate that the directivity of the tilted beam is 2 dB higher than that of the original uniform conical beam, and they have good agreements with simulated results carried out with HFSS.",
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Coplanar patch antenna with tilted-beam radiation for pattern steerable applications. / Wang, C. C.; Lin, T. Y.; Row, Jeen-Sheen.

In: Journal of Electromagnetic Waves and Applications, Vol. 25, No. 11-12, 07.09.2011, p. 1625-1632.

Research output: Contribution to journalArticle

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AB - A design of generating tilted beam radiation from microstrip antennas is described in this paper. The antenna has a coplanar annular patch, and it is excited by a top-loaded probe through gap coupling. When the antenna is operated at the TM02 mode of the ring patch, its radiation pattern can be changed from a uniform conical beam to a tilted beam by moving the feed point from the antenna center. The direction and directivity of the tilted beam are related to the feed position and the offset distance, respectively. Experimental results indicate that the directivity of the tilted beam is 2 dB higher than that of the original uniform conical beam, and they have good agreements with simulated results carried out with HFSS.

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