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Reduce The Hand-Effect Body Loss For Lte Mobile Antenna In Ctia Talking And Data Modes
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
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2013 (English)In: Progress In Electromagnetics Research, ISSN 1070-4698, E-ISSN 1559-8985, Vol. 137, 73-85 p.Article in journal (Refereed) Published
Abstract [en]

The reduction in the radiation efficiency of an antenna in a mobile handset due to user's hand effects in the talking and data modes is studied. A parameter called "body loss" is defined to evaluate the degradation of the radiation efficiency. A C-fed on-ground (OG) PIFA antenna, which can cover two typical LTE bands of 0.75 GHz-0.96 GHz and 1.7 GHz-2.1 GHz, is used to study the property of the hand-effect body loss in two CITA test positions: the talking and data modes. Three different positions of the proposed antenna in the talking mode are compared, and the position with the antenna located on the bottom of the mobile handset and facing the head is recommended for minimal body loss. A modified design with a smaller antenna width is proposed to reduce further the hand-effect body loss in the talking and data modes.

Place, publisher, year, edition, pages
2013. Vol. 137, 73-85 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-122536DOI: 10.2528/PIER13013007ISI: 000316931700005Scopus ID: 2-s2.0-84874389858OAI: oai:DiVA.org:kth-122536DiVA: diva2:623310
Funder
Swedish Research Council, 621-2011-4620
Note

QC 20130527

Available from: 2013-05-27 Created: 2013-05-23 Last updated: 2017-12-06Bibliographically approved

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He, Sailing

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