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A NEW DEFECTED GROUND STRUCTURE AND ITS APPLICATION FOR MINIATURIZED SWITCHABLE ANTENNA
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2010 (English)In: PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER, ISSN 1559-8985, Vol. 107, 115-128 p.Article in journal (Refereed) Published
Abstract [en]

A new defected ground structure (DGS) is firstly proposed in this paper, which has better slow-wave effect than that of cross or dumbbell one. Using the model of transmission line, its equivalent parameters are extracted. With good omni-directional properties, the proposed DGS is then used in the design of a proximity coupled antenna for its miniaturization. The size of the developed antenna is about 68% smaller than that of the conventional one. Further, two artificial cells are added on the feed line to reduce the protrudent stub length from 26.9 mm to 18.94 mm. With the utility of the DGS and artificial cells, the size of proximity coupled antenna is reduced significantly. By introducing a PIN diode at the end of feed line, the antenna is switchable in both x- and y-direction linear polarizations. Such miniaturization in antenna size has little negative effect on its cross polarization, with both simulated and experimental results presented for comparison.

Place, publisher, year, edition, pages
2010. Vol. 107, 115-128 p.
Keyword [en]
MICROSTRIP ANTENNA, PATCH ANTENNA, WAVE CHARACTERISTICS, MONOPOLE ANTENNA, COMPACT, SLOT, COMMUNICATION, TECHNOLOGY, DESIGN, LINES
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-27049DOI: 10.2528/PIER10050904ISI: 000283603200007Scopus ID: 2-s2.0-78651251580OAI: oai:DiVA.org:kth-27049DiVA: diva2:377061
Note
QC 20101213Available from: 2010-12-13 Created: 2010-12-06 Last updated: 2013-11-19Bibliographically approved

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He, Sailing

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
  • Other style
More styles
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  • de-DE
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Output format
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