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Angle and polarization diversity in compact dual-antenna terminals with chassis excitation
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2011 (English)In: URSI Gen. Assem. Sci. Symp., URSIGASS, 2011Conference paper, Published paper (Refereed)
Abstract [en]

For multiple antennas on a compact terminal chassis, chassis current excitation can severely increase mutual coupling between the antennas. This is because the same characteristic mode of the chassis may be strongly excited by more than one antenna. Here, we propose to use one antenna that exploits chassis excitation and introduce a second antenna that minimizes chassis excitation. In this way, angle and polarization diversity can be realized. The concept is illustrated and verified through the design of a practical dual-antenna prototype at 920 MHz, which achieves an isolation of over 30 dB and total efficiencies of above 80%.

Place, publisher, year, edition, pages
2011.
Series
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
Keyword [en]
Characteristic modes, Current excitation, Multiple antenna, Mutual coupling, Polarization diversity, Total efficiency, Chassis, Polarization, Antennas
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-150671DOI: 10.1109/URSIGASS.2011.6050540Scopus ID: 2-s2.0-81255190573ISBN: 9781424451173 (print)OAI: oai:DiVA.org:kth-150671DiVA: diva2:744966
Conference
2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, 13-20 August 2011, Istanbul, Turkey
Note

QC 20140909

Available from: 2014-09-09 Created: 2014-09-08 Last updated: 2014-09-09Bibliographically approved

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CiteExportLink to record
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  • apa
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Output format
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