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Adaptive penta-band handset antenna with hand effect compensation
Pulse Finland Oy.
Pulse Finland Oy.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electronics, Mathematics and Natural Sciences, Electronics.
2012 (English)In: IET Microwaves, Antennas & Propagation, ISSN 1751-8725, E-ISSN 1751-8733, Vol. 6, no 1, p. 79-86Article in journal (Refereed) Published
Abstract [en]

The increase in the number of cellular operating bands and the ever-increasing criteria antenna size reduction has pushed the need to use switchable antenna structures. Further, the presence of a hand in the close vicinity of the antenna causes deterioration in performance. The authors present a switchable antenna technique, evaluate the effect of the human hand on it and discuss a novel method to compensate for the mismatch. A penta-band switchable planar inverted-F antenna covering 824-960 and 1710-2170-MHz has been used in this study. The presence of the hand was observed to cause 2.0-6.0-dB loss in efficiency for the low band. Using the proposed extra-ground antenna switching method and the dynamic antenna matching, technique the total efficiency of the antenna can be improved by 0.5-2.5-dB compared to the mismatched case.

Place, publisher, year, edition, pages
2012. Vol. 6, no 1, p. 79-86
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:hig:diva-11630DOI: 10.1049/iet-map.2010.0529ISI: 000300841400011Scopus ID: 2-s2.0-84857551245OAI: oai:DiVA.org:hig-11630DiVA, id: diva2:510857
Available from: 2012-06-15 Created: 2012-03-19 Last updated: 2018-03-13Bibliographically approved

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Beckman, Claes

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  • sv-SE
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  • nn-NO
  • nn-NB
  • de-DE
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Output format
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