Monopolar patch antenna with dual-band and wideband operations

Siou Jhen Lin, Jeen-Sheen Row

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

The designs of dual-band and wide-band microstrip patch antennas with conical radiation patterns are presented in this paper. The antenna is composed of a square-ring patch that is shorted to the ground plane through four shorting walls. Three resonant modes with conical radiation patterns can be simultaneously excited in the antenna structure by a patch-loaded coaxial probe inside the square-ring patch, and they can be designed as a dual-band operation. Moreover, by adjusting the width of the shorting walls, the three modes can be coupled together to realize a wide-band operation. From the obtained results, the 10 dB impedance bandwidths at lower and higher operating frequencies are respectively 42 and 8% for the dual-band antenna design, and the wide-band design exhibits an impedance bandwidth of about 70%.

Original languageEnglish
Pages (from-to)900-903
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Volume56
Issue number3
DOIs
Publication statusPublished - 2008 Mar 1

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Microstrip antennas
Directional patterns (antenna)
Antennas
Bandwidth

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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title = "Monopolar patch antenna with dual-band and wideband operations",
abstract = "The designs of dual-band and wide-band microstrip patch antennas with conical radiation patterns are presented in this paper. The antenna is composed of a square-ring patch that is shorted to the ground plane through four shorting walls. Three resonant modes with conical radiation patterns can be simultaneously excited in the antenna structure by a patch-loaded coaxial probe inside the square-ring patch, and they can be designed as a dual-band operation. Moreover, by adjusting the width of the shorting walls, the three modes can be coupled together to realize a wide-band operation. From the obtained results, the 10 dB impedance bandwidths at lower and higher operating frequencies are respectively 42 and 8{\%} for the dual-band antenna design, and the wide-band design exhibits an impedance bandwidth of about 70{\%}.",
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Monopolar patch antenna with dual-band and wideband operations. / Lin, Siou Jhen; Row, Jeen-Sheen.

In: IEEE Transactions on Antennas and Propagation, Vol. 56, No. 3, 01.03.2008, p. 900-903.

Research output: Contribution to journalArticle

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