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Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010

Design of MIMO Antennas for Indoor Base Station and Mobile Terminal

Hiroyuki ARAI, Daisuke UCHIDA

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Hiroyuki ARAI
Graduate School of Engineering, Yokohama National University
Daisuke UCHIDA
Graduate School of Engineering, Yokohama National University

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Keywords:MIMO,channel capacity,SNR,correlation,antenna

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2012 Volume E95.BIssue 1Pages 10-17

DOIhttps://doi.org/10.1587/transcom.E95.B.10

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Published: January 01, 2012Received: April 11, 2011Available on J-STAGE: January 01, 2012Accepted: -Advance online publication: -Revised: -

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Abstract

Two design parameters, SNR and correlation, are key factors for enhancing channel capacity in MIMO systems. Achieving high SNR and low correlation is desirable in antenna design. This paper discusses the relation between channel capacity and these two parameters, and presents simple formulas of this relation for propagation channels and antenna coupling of mobile terminals. According to these guidelines, indoor base station antennas are designed and examined using propagation measurements. We also present a suitable antenna design for mobile terminal antennas and based on a realistic propagation model, predicted the channel capacity of the antenna.

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