About: Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We demonstrate the possibility to strongly modify the radiated fields of a UMTS handset by using a phased two-element PIFA array. The structure is composed of a 100x40 mm2 metallic ground plane acting as the Printed Circuit Board (PCB) of the mobile phone. Two UMTS PIFAs are located at the top edge of this PCB. They are fed by a double Quasi-Lumped Coupler able to provide phase difference in the range from 0° to 360° between its two outputs. In this way the two-element array is able to radiate different electromagnetic fields. Simulated and measured radiation patterns in the two main planes of the chassis are presented for different phase differences. It is especially revealed that the novel two-antenna structure is able to radiate vertically and horizontally-polarized electric fields in the same plane when changing the phase shift between the antennas from 0° to 180°. Potential applications are polarization-diversity techniques and Specific Absorption Rate reduction for handsets. We demonstrate the possibility to strongly modify the radiated fields of a UMTS handset by using a phased two-element PIFA array. The structure is composed of a 100x40 mm2 metallic ground plane acting as the Printed Circuit Board (PCB) of the mobile phone. Two UMTS PIFAs are located at the top edge of this PCB. They are fed by a double Quasi-Lumped Coupler able to provide phase difference in the range from 0° to 360° between its two outputs. In this way the two-element array is able to radiate different electromagnetic fields. Simulated and measured radiation patterns in the two main planes of the chassis are presented for different phase differences. It is especially revealed that the novel two-antenna structure is able to radiate vertically and horizontally-polarized electric fields in the same plane when changing the phase shift between the antennas from 0° to 180°. Potential applications are polarization-diversity techniques and Specific Absorption Rate reduction for handsets. (en)
Title	Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones (en)
skos:prefLabel	Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones (en)
skos:notation	RIV/68407700:21230/09:00166382!RIV10-MSM-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(OC08018)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hamouz, Pavel Hazdra, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	347196
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/09:00166382
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Planar Inverted-F Antennas; UMTS Mobile Phones; Polarization Diversity (en)
http://linked.open.../riv/klicoveSlovo	Planar Inverted-F Antennas Polarization Diversity UMTS Mobile Phones
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[70FD8E532897]
http://linked.open...i/riv/nazevZdroje	Radioengineering
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Antenna Systems and Senzors with Special Properties (ASSESP)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	2009
http://linked.open...iv/tvurceVysledku	Hamouz, Pavel Hazdra, Pavel
http://linked.open...ain/vavai/riv/wos	000273125900013
issn	1210-2512
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones Two-Element PIFA Array Structure for Polarization Diversity in UMTS Mobile Phones

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