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Measurements of Radiated Power and Radiated Receiver Sensistivity in Reverberation Chambers

Charlie Orlenius
Bluetest AB, Gothenburg, Sweden

Per-Simon Kildal
Department of Electromagnetics, Chalmers Univ. Of Tech., Gothenburg, Sweden

Ladda ner artikelhttp://www.ep.liu.se/ecp_article/index.en.aspx?issue=008;article=043

Ingår i: GigaHertz 2003. Proceedings from the Seventh Symposium

Linköping Electronic Conference Proceedings 8:43, s.

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Publicerad: 2003-11-06

ISBN:

ISSN: 1650-3686 (tryckt), 1650-3740 (online)

Abstract

Chalmers and Bluetest AB have the last years shown that it is possible to measure radiated power and total isotropic receiver sensitivity in the statistic field environment created by a reverberation chamber. The new measurement method has been developed for mobile and wireless terminals such as mobile phones. However; the approach is also valid for measurements at higher frequencies; and e.g. to measure the performance of integrated antennas not being separable from their transmit or receive amplifiers.

The purpose of the present paper is to describe measurements of radiated power and receive sensitivity in reverberation chambers of mobile terminals; and to show that this also can be done at higher frequencies. The measurement accuracy and how this depends on frequency will be explained.

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Referenser

[1] K. Rosengren; Measuring Radiation Efficiency of Terminal Antennas in Reverberation Chambers; Thesis of Licentiate degree; Technical Report No 388L; Chalmers University of Technology; Sweden; April 2001.

[2] C. Carlsson; Characterization of Mode-Stirred Chamber and its Setups for Antenna Measurements; Master thesis at Department of Electromagnetics; Chalmers Univ. of Technology; Sweden; Aug 2001.

[3] P-S. Kildal; C. Carlsson; TCP of 20 Phones Measured in Reverberation Chamber; Bluetest AB; Sweden; Feb 2002.

[4] P-S. Kildal; Foundations of Antennas - A Unified Approach; Studentlitteratur; Sweden; 2000.

[5] J. G. Kostas; B. Boverie; Statistical model for a mode-stirred chamber; IEEE Transactions on Electromagnetic Compatibility; vol. 33; no. 4; pp 366-370; 1991.

[6] K. Rosengren; P-S. Kildal; C. Carlsson; J. Carlsson; Characterization of antennas for mobile and wireless terminals in reverberation chambers: Improved accuracy by platform stirring.; Microwave and Optical Technology Letters; Vol. 30. No. 20; pp. 391-397; Sep. 2001.

[7] P-S. Kildal; C. Carlsson; Detection of a polarization imbalance in reverberation chambers and how to remove it when measuring antenna efficiencies; Microwave and Optical Technology Letters; July 2002.

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