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MIMO capacity of antenna arrays evaluated using radio channel measurements, reverberation chamber and radiation patterns
2Dep. SSR, Universidad Politecnica de Madrid, 28040 Madrid Spain.
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.
(Bluetest AB, S-41296 Gothenburg, Sweden)
2007 (English)In: IET Microwaves, Antennas and Propagation, ISSN 1751-8725, Vol. 1, no 6, 1160-1169 p.Article in journal (Refereed) Published
Abstract [en]

We compare different methods of evaluating arrays for multiple-input multiple-output (MIMO) systems through calculation of the MIMO capacity of a compact antenna array for mobile or WLAN applications at 1766 MHz and comparing it to a reference array of four mono-poles. Three different methods were used: evaluation using radiation patterns and a channel model, measurements in a reverberation chamber and simultaneous measurement of radio channel data using the two arrays. We conclude that all methods give very similar relative results and that the main difference in the two arrays is the 1.3 dB lower radiation efficiency of the compact array. The channel measurements also show that the arrays provide between 80% and 90% of the capacity of a 4 x 4 MIMO system.

Place, publisher, year, edition, pages
2007. Vol. 1, no 6, 1160-1169 p.
Keyword [en]
MIMO communication, UHF antennas, antenna arrays, antenna radiation patterns, wireless channels
National Category
URN: urn:nbn:se:kth:diva-37018DOI: 10.1049/iet-map:20060236ISI: 000252435400009ScopusID: 2-s2.0-37149020458OAI: diva2:431847
Available from: 2011-07-26 Created: 2011-07-26 Last updated: 2012-06-03Bibliographically approved

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