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Evaluation of a Near Field Scanner for TRP and Radiation Pattern Measurements of GSM Mobile Phones
Högskolan i Gävle, Ämnesavdelningen för elektronik. (Radio center, Gävle)
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth.
2009 (English)In: 3rd European Conference on  Antennas and Propagation, 2009. EuCAP 2009., Berlin: EUCAP2009 , 2009, 2207-2211 p.Conference paper (Other academic)
Abstract [en]

In this paper a new tool for estimation of the radio performance of terminal antennas in terms of Total Radiated Power, TRP is tested and evaluated. The tool is known as Lab Express and is developed by the Canadian company EMSCAN.  The results from measurements performed with the Lab Express are compared with of the radiation patterns and total radiated power (TRP) estimates, measured with a CTIA approved Satimo SG24 chamber.

    The TRP and radiation pattern measurements are performed on 10 commercially available mobile phones at GSM 900 and GSM 1800 frequency bands. The dependency of the measured TRP on the positioning of the mobile phone on EMSCAN is also tested. Our results indicate that the TRP measured with Lab Express is well correlated with the results obtained from the Satimo SG24 chamber even though the Lab Express equipment seem to over estimate the TRP with on average about 4dB at 900MHz and about 1.3dB at 1800MHz.

Place, publisher, year, edition, pages
Berlin: EUCAP2009 , 2009. 2207-2211 p.
Keyword [en]
Lab Express, Antenna Measurements, Mobile Terminal Antenna, Total Radiated Power
National Category
URN: urn:nbn:se:kth:diva-67433ISI: 000276522101048ISBN: 978-1-4244-4753-4ISBN: 978-3-00-024573-2OAI: diva2:501171
3rd European Conference on Antennas and Propagation, 2009. EuCAP 2009.
QC 20120224Available from: 2009-02-28 Created: 2012-01-27 Last updated: 2012-02-24Bibliographically approved

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Prasad, SathyaveerBeckman, Claes
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