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Paper Abstract and Keywords
Presentation 2014-07-29 12:30
[Poster Presentation] Evaluation on Propagation Characteristics of Circularly Polarized MIMO in Street Cell Simple Model
Fumiya Ohba, Hiroyasu Ishikawa (Nihon Univ.), Toru Kitayabu, Masayuki Nakano (KDDI R&D Labs.) WBS2014-17 MICT2014-31
Abstract (in Japanese) (See Japanese page) 
(in English) Circular polarization is one of the polarization methods of radio waves that rotate 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 orthogonally with each other. Therefore, circularly polarized MIMO can transmit independent information data at the same frequency. Further, circularly polarized wave is hardly affected by a change in communication environment due to posture variation between transmitter and receiver. 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 simple street cell model which consists of a direct wave and three reflective waves due to the road surface and buildings surrounding a road. In the simulation results, distributions of the condition number indicating the channel separation properties of MIMO transmission considering the cross polarization discrimination (XPD) of antennas and reflection coefficient of the concrete 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. 114, no. 158, WBS2014-17, pp. 45-50, July 2014.
Paper # WBS2014-17 
Date of Issue 2014-07-22 (WBS, MICT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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)
Download PDF WBS2014-17 MICT2014-31

Conference Information
Committee MICT WBS  
Conference Date 2014-07-29 - 2014-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka City Univ. (Umeda Satellite) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Poster Session, Wideband System, Healthcare and Medical Information Communication Technologies, etc. 
Paper Information
Registration To WBS 
Conference Code 2014-07-MICT-WBS 
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 Simple 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  
Keyword(6)  
Keyword(7)  
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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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Speaker Author-1 
Date Time 2014-07-29 12:30:00 
Presentation Time 120 minutes 
Registration for WBS 
Paper # WBS2014-17, MICT2014-31 
Volume (vol) vol.114 
Number (no) no.158(WBS), no.159(MICT) 
Page pp.45-50 
#Pages 6 
Date of Issue 2014-07-22 (WBS, MICT) 

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