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Paper Abstract and Keywords
Presentation 2010-02-18 15:00
Estimation accuracy using ray-tracing for spatio-temporal dynamic channel properties
Koshiro Kitao, Kentaro Saito, Tetsuro Imai, Yoshiki Okano, Shunji Miura (NTT DOCOMO) AP2009-195
Abstract (in Japanese) (See Japanese page) 
(in English) Dynamic control techniques such as rank adaptation are studied for LTE (Long Term Evolution) and IMT-Advanced which are promising candidate for next generation mobile communication systems. In order to evaluate these techniques, we need to model dynamic channel characteristics. Meanwhile, Ray-tracing is effective tool for estimation of propagation channel, there are very few studies about estimation accuracy of that tool for the dynamic channel properties. In this paper, we evaluate the above mentioned estimation accuracy based on the measurement results obtained using channel sounder in the urban area. Specifically, we calculate channel parameters such as Mean Angle (MA), Angle Spread (AS), Mean Delay time (MD) and Delay Spread (DS) from ray-tracing and measurement results and calculate correlation coefficient between channel parameter obtained from Ray-tracing and that obtained from measurements for the metrics for the estimation accuracy. As a results, we clarify that correlations of MA and MD are relatively high, and ray-tracing simulates dynamic properties of dominant paths well.
Keyword (in Japanese) (See Japanese page) 
(in English) Mobile Radio / MIMO / Spatio-Temporal Dynamic Channel / Ray-Tracing / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 417, AP2009-195, pp. 65-70, Feb. 2010.
Paper # AP2009-195 
Date of Issue 2010-02-11 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 2010-02-18 - 2010-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Toshiba 
Topics (in Japanese) (See Japanese page) 
Topics (in English) AP 
Paper Information
Registration To AP 
Conference Code 2010-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation accuracy using ray-tracing for spatio-temporal dynamic channel properties 
Sub Title (in English)  
Keyword(1) Mobile Radio  
Keyword(2) MIMO  
Keyword(3) Spatio-Temporal Dynamic Channel  
Keyword(4) Ray-Tracing  
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1st Author's Name Koshiro Kitao  
1st Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
2nd Author's Name Kentaro Saito  
2nd Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
3rd Author's Name Tetsuro Imai  
3rd Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
4th Author's Name Yoshiki Okano  
4th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
5th Author's Name Shunji Miura  
5th Author's Affiliation NTT DOCOMO, INC (NTT DOCOMO)
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Speaker Author-1 
Date Time 2010-02-18 15:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2009-195 
Volume (vol) vol.109 
Number (no) no.417 
Page pp.65-70 
#Pages
Date of Issue 2010-02-11 (AP) 


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