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Wireless Personal Communications

, Volume 62, Issue 2, pp 379–386 | Cite as

Novel Dual Band Resonant Cylindrical Hat-Covered Monopole for Personal Communications

  • H. Jardon-Aguilar
  • J. A. Tirado-Mendez
  • R. Flores-Leal
  • E. A. Andrade-Gonzalez
Article

Abstract

A cylindrical hat-loaded method is employed to make monopoles behave as dual band resonators. The two frequency bands are obtained by perturbing higher propagation modes by modifying the hat length. The longer the cylindrical hat is, the lower the resonant frequencies are obtained. The hat length behaves as an inductive load, also increasing the electric length of the monopole. As a result, a compact resonant structure is got, working at two different frequencies without modifying the omnidirectional radiation pattern at both bands.

Keywords

Monopole antenna Dual band Multi-standards Size reduction Propagation modes 

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Copyright information

© Springer Science+Business Media, LLC. 2010

Authors and Affiliations

  • H. Jardon-Aguilar
    • 1
  • J. A. Tirado-Mendez
    • 1
    • 2
  • R. Flores-Leal
    • 1
    • 2
  • E. A. Andrade-Gonzalez
    • 3
  1. 1.Research and Advanced Studies Center, Communications SectionSan Pedro Zacatenco, MexicoMexico
  2. 2.Mexico City Autonomous University-CuautepecLa, Palma, MexicoMexico
  3. 3.Metropolitan Autonomous University-AzcapotzalcoMexicoMexico

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