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Paper Abstract and Keywords
Presentation 2014-03-11 13:35
Evaluation on Propagation Characteristics of Circularly Polarized MIMO in Street Cell Model
Fumiya Ohba, Hiroyasu Ishikawa (Nihon Univ.), Toru Kitayabu, Masayuki Nakano (KDDI R&D Labs.) AP2013-197
Abstract (in Japanese) (See Japanese page) 
(in English) Circular polarization is one of the transmission techniques that rotates the polarized wave proceeding with time. The circular polarization can be applied to MIMO transmission by right-handed circularly polarized wave and left-handed circularly polarized wave concurrently because these two waves keep orthogonality with each other and can transmit independent information data at the same frequency. Further, circularly polarized wave mitigates an influence of time variant multipath fading in satellite communications and land mobile communications. This is also an advantage point of circular polarization. Therefore, the MIMO transmission composed of circularly polarized antenna would be an attractive transmission technique for broadband land mobile communications in street cell. In this study, evaluations on propagation characteristics of circularly polarized MIMO transmission method are conducted by computer simulation assuming a street cell model which consists of a direct wave and two reflective waves due to the building surrounding a road. In the simulation results, distribution of the condition number indicating the channel separation properties of MIMO transmission and reflection coefficients based on both concrete and iron are presented.
Keyword (in Japanese) (See Japanese page) 
(in English) Circularly polarized wave / MIMO / Street cell model / Condition number / Reflection coefficient / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 487, AP2013-197, pp. 69-74, March 2014.
Paper # AP2013-197 
Date of Issue 2014-03-03 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee AP  
Conference Date 2014-03-10 - 2014-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Koriyama City Rodo Fukushi Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2014-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation on Propagation Characteristics of Circularly Polarized MIMO in Street Cell Model 
Sub Title (in English)  
Keyword(1) Circularly polarized wave  
Keyword(2) MIMO  
Keyword(3) Street cell model  
Keyword(4) Condition number  
Keyword(5) Reflection coefficient  
1st Author's Name Fumiya Ohba  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Hiroyasu Ishikawa  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Toru Kitayabu  
3rd Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
4th Author's Name Masayuki Nakano  
4th Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
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Date Time 2014-03-11 13:35:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2013-197 
Volume (vol) IEICE-113 
Number (no) no.487 
Page pp.69-74 
#Pages IEICE-6 
Date of Issue IEICE-AP-2014-03-03 

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