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Modelling of propagation environments inside a scattered field chamber
Örebro University, Department of Technology.
2005 (English)In: IEEE 61st Vehicular technology conference, 2005. VTC 2005-Spring: Volume 1, 2005, p. 102-105Conference paper, Published paper (Refereed)
Abstract [en]

Measurements on communication devices for evaluation of diversity and/or MIMO concepts must be made in the real environment or in a model of the real propagation environment. As a first step towards a complex, physical environment model the plane wave angular distribution, incident on the device under test (DUT), is altered in order to model plane wave angular distributions of real environments. Here a specialized reverberation chamber called the scattered field chamber (SFC) is used to create a source of Rayleigh faded plane waves and a shielded anechoic box with apertures is used to alter the angular distribution of the plane waves incident on the DUT. According to the measurements made, the model seems to be able to produce data that show agreement with measurements made on real propagation environments.

Place, publisher, year, edition, pages
2005. p. 102-105
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electronics
Identifiers
URN: urn:nbn:se:oru:diva-3162DOI: 10.1109/VETECS.2005.1543258ISBN: 0-7803-8887-9 (print)OAI: oai:DiVA.org:oru-3162DiVA, id: diva2:137188
Conference
IEEE 61st Vehicular technology conference. VTC 2005-Spring, 30 May-1 June
Available from: 2006-10-27 Created: 2006-10-27 Last updated: 2017-10-18Bibliographically approved
In thesis
1. Propagation environment modeling using scattered field chamber
Open this publication in new window or tab >>Propagation environment modeling using scattered field chamber
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis covers the development of the Reverberation Chamber as a measurement tool for cell phone tests in electronic production. It also covers the development of the Scattered Field Chamber as a measurement tool for simulations of real propagation environments.

The first part is a more ”general knowledge about Reverberation Chambers”-part that covers some important phenomena like unstirred power and position dependence that might occour in a small Reverberation Chamber used for cell phone tests. Knowing how to deal with these phenomenas, give the possibility to use the chamber as a measurement tool for production tests even though it is too complex for a simple test of the antenna function.

The second part shows how to alter some important propagation parameters inside the chamber to fit some real world propagation environments. The 3D plane wave distribution, the polarization and the amplitude statistics of the plane waves are all altered with simple techniques that are implementable all together. A small, shielded anechoic box with apertures is used to control 3D plane wave distribution and polarization. Antennas that introduce unstirred power in the chamber are used to control the statistics.

Place, publisher, year, edition, pages
Örebro: Örebro universitetsbibliotek, 2006. p. 56
Series
Örebro Studies in Technology, ISSN 1650-8580 ; 24
Keywords
Reverberation Chamber, Scattered Field Chamber, Propagation environments, Antenna measurements
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electronics
Identifiers
urn:nbn:se:oru:diva-731 (URN)91-7668-495-4 (ISBN)
Public defence
2006-11-17, Hörsal L2, Långhuset, Fakultetsgatan 1, Örebro, 10:00
Opponent
Supervisors
Available from: 2006-10-27 Created: 2006-10-27 Last updated: 2017-10-18Bibliographically approved

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Otterskog, Magnus

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CiteExportLink to record
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Citation style
  • apa
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Output format
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