Wideband reconfigurable rolled planar monopole antenna

Giuseppe Ruvio, Max J. Ammann, Zhi Ning Chen

Research output: Contribution to journalArticlepeer-review

Abstract

A novel technique to reconfigure the frequency range of a planar monopole antenna is presented. By adjusting the degree of spiral tightness, a shift of the well-matched operating frequency range is achieved. The proposed antenna is capable of covering the frequencies in the range from 2.9 to 15 GHz, depending on the degree of spiral tightness. The antenna yields a high-efficiency across the full operating bandwidth. Radiation patterns show good omnidirectional features in all primary cuts and remain relatively stable with the change of antenna configuration, so that it is a remarkable candidate for indoor or mobile applications where a large frequency range and omnidirectional radiation are required.

Original languageEnglish
Pages (from-to)1760-1767
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Volume55
Issue number6 II
DOIs
Publication statusPublished - Jun 2007

Keywords

  • Antennas
  • Band-notching
  • Monopolar antennas
  • Reconfigurable antennas

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