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Body loss study of beamforming mode in LTE MIMO mobile terminals
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2015 (English)In: 2015 9th European Conference on Antennas and Propagation, EuCAP 2015, IEEE conference proceedings, 2015Conference paper (Refereed)Text
Abstract [en]

This paper mainly focuses on the investigation of the body loss of beamforming mode in LTE MIMO mobile terminals with CTIA user effects. The research of the body loss and radiation efficiency is carried out over different phase differences between two ports of each MIMO antenna. During studies, four kinds of typical LTE MIMO antennas are used, namely, collocated ground free (GF), parallel GF, parallel on ground (OG) and orthogonal OG MIMO antennas, under four mobile terminal lengths at low and high frequencies. Two kinds of CTIA user effects are included in the research. From the studies, the parallel GF MIMO antenna type exhibits the best beamforming performance in the four MIMO antenna types. In order to verify the simulations, envelope correlation coefficients of two MIMO antenna prototypes are measured. All the measured results agree well with the simulated.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015.
Keyword [en]
beamforming, body loss, handset antennas, MIMO, user effects, Antennas, Computer terminals, MIMO systems, Mobile antennas, Mobile phones, Mobile telecommunication systems, Envelope correlation coefficient, Handset antenna, Low and high frequencies, Measured results, Mobile terminal, Phase difference, Radiation efficiency, Wireless telecommunication systems
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-181181ISI: 000380533100557ScopusID: 2-s2.0-84949648621ISBN: 9788890701856OAI: oai:DiVA.org:kth-181181DiVA: diva2:904270
Conference
9th European Conference on Antennas and Propagation, EuCAP 2015, 13 May 2015 through 17 May 2015
Note

QC 20160218

Available from: 2016-02-18 Created: 2016-01-29 Last updated: 2016-09-05Bibliographically approved

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Zhao, KunHe, Sailing
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