A miniaturized CPW-Fed capacitor-loaded slot-loop antenna

Pei-Ling Chi*, Kevin M. Leong, Rod Waterhouse, Tatsuo Itoh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

17 Scopus citations


A simple and efficient approach for antenna miniaturization is proposed in this paper. A slow wave structure, which applies to the concept of increasing the propagation constant in the resonant path and so results in the decreased resonant frequencies, is used for implementation. In this paper, we present a CPW-fed slot-loop antenna periodically loaded with capacitors to effectively increase the propagation constant for the purpose of antenna miniaturization. The equivalent transmission line circuit model for the established antenna was utilized as an approach for analysis and it predicted the slow-wave behavior well when compared to the full-wave simulation. Both simulation and measurement demonstrate a physical size reduction of about six times with respect to an unloaded slot-loop antenna.

Original languageEnglish
Title of host publication2007 International Symposium on Signals, Systems, and Electronics, URSI ISSSE 2007
Number of pages4
StatePublished - 1 Dec 2007
Event2007 International Symposium on Signals, Systems and Electronics, URSI ISSSE 2007 - Montreal, QC, Canada
Duration: 30 Jul 20072 Aug 2007

Publication series

NameConference Proceedings of the International Symposium on Signals, Systems and Electronics


Conference2007 International Symposium on Signals, Systems and Electronics, URSI ISSSE 2007
CityMontreal, QC


  • CPW-fed
  • Lumped element
  • Slot-loop antenna
  • Slow-wave structure

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