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Paper Abstract and Keywords
Presentation 2013-01-23 13:25
Deterioration Mechanism of MIMO Channel Capacity and the Influence on Actual Environment
Masami Maruyama, Hiroaki Nakabayashi (Chiba Inst. of Tech.) AP2012-127
Abstract (in Japanese) (See Japanese page) 
(in English) A deterioration mechanism of a MIMO channel capacity in multi-path propagation (LOS and NLOS) was studied by a theory and a computer simulation. Based on a propagation model, we defined an excessive path length of a wave in an antenna element which affected the channel capacity. Some simulations are shown the influence of the excessive path length quantitatively. As a result, it was cleared that the capacity deteriorated extremely when a magnitude of the excessive path length was distributed within 1/4 wavelengths. Moreover, the simulations cleared that the excessive path length affected a spatial correlation and the average channel capacity. And, to clarify the quantitative influence in an actual environment, we simulated on an angle profile suggested in COST273, 3GPP and others.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO channel capacity / Instantaneous characteristics / Spatial correlation / Macrocell environment / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 384, AP2012-127, pp. 31-36, Jan. 2013.
Paper # AP2012-127 
Date of Issue 2013-01-16 (AP) 
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 AP2012-127

Conference Information
Committee AP  
Conference Date 2013-01-23 - 2013-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Merieges (Miyazaki City) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Progation 
Paper Information
Registration To AP 
Conference Code 2013-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Deterioration Mechanism of MIMO Channel Capacity and the Influence on Actual Environment 
Sub Title (in English)  
Keyword(1) MIMO channel capacity  
Keyword(2) Instantaneous characteristics  
Keyword(3) Spatial correlation  
Keyword(4) Macrocell environment  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Masami Maruyama  
1st Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
2nd Author's Name Hiroaki Nakabayashi  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-01-23 13:25:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2012-127 
Volume (vol) vol.112 
Number (no) no.384 
Page pp.31-36 
#Pages 6 
Date of Issue 2013-01-16 (AP) 

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