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On creating a nonisotropic propagation environment inside a scattered field chamber
Örebro universitet, Institutionen för teknik.
2004 (engelsk)Inngår i: Microwave and optical technology letters (Print), ISSN 0895-2477, E-ISSN 1098-2760, Vol. 43, nr 3, s. 192-195Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A traditional reverberation chamber creates a statistically isotropic test environment. Tests of communication devices may demand different environments to be able to test, for example, the influence of a diversity antenna. Here, a simple way of altering the distribution of plane waves incident on the device under test is presented. © 2004 Wiley Periodicals, Inc.

sted, utgiver, år, opplag, sider
2004. Vol. 43, nr 3, s. 192-195
HSV kategori
Forskningsprogram
Elektronik
Identifikatorer
URN: urn:nbn:se:oru:diva-3159DOI: 10.1002/mop.20417OAI: oai:DiVA.org:oru-3159DiVA, id: diva2:137185
Tilgjengelig fra: 2006-10-27 Laget: 2006-10-27 Sist oppdatert: 2017-12-14bibliografisk kontrollert
Inngår i avhandling
1. Propagation environment modeling using scattered field chamber
Åpne denne publikasjonen i ny fane eller vindu >>Propagation environment modeling using scattered field chamber
2006 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
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.

sted, utgiver, år, opplag, sider
Örebro: Örebro universitetsbibliotek, 2006. s. 56
Serie
Örebro Studies in Technology, ISSN 1650-8580 ; 24
Emneord
Reverberation Chamber, Scattered Field Chamber, Propagation environments, Antenna measurements
HSV kategori
Forskningsprogram
Elektronik
Identifikatorer
urn:nbn:se:oru:diva-731 (URN)91-7668-495-4 (ISBN)
Disputas
2006-11-17, Hörsal L2, Långhuset, Fakultetsgatan 1, Örebro, 10:00
Opponent
Veileder
Tilgjengelig fra: 2006-10-27 Laget: 2006-10-27 Sist oppdatert: 2017-10-18bibliografisk kontrollert

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