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Paper Abstract and Keywords
Presentation 2007-01-26 10:50
Prediction of line-of-sight propagation loss in inter-vehicle communication environments
Yoshinobu Ito, Tokio Taga (Kwansei Gakuin Univ.), Junya Muramatsu, Noriyoshi Suzuki (TOYOTA Central Lab.) AP2006-126
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a prediction formula for low antenna height propagation loss on line-of-sight (LOS) straight road with an intersection by regression analyses, for the purpose of propagation loss characteristic modeling in inter-vehicle communication. The propagation loss data for regression analysis are generated by computer simulation based on the geometrical optics theory, and the formula is established as a dual-slope model and functioned by propagation distance, frequency, road width, and antenna height. In this analysis, the position of breakpoint is determined by evaluating the minimum RMS error on both slope regions, since its determination is an important factor for good prediction accuracy. The comparison between predicted and measured propagation losses is also done in 2GHz and 5GHz bands, and the effectiveness of the formula is confirmed by evaluating the prediction errors.
Keyword (in Japanese) (See Japanese page) 
(in English) ITS / Inter-Vehicle Communication / Radio Propagation / Loss Prediction / Geometrical Optics / Breakpoint / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 491, AP2006-126, pp. 95-100, Jan. 2007.
Paper # AP2006-126 
Date of Issue 2007-01-18 (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 AP2006-126

Conference Information
Committee AP  
Conference Date 2007-01-25 - 2007-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukui Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2007-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prediction of line-of-sight propagation loss in inter-vehicle communication environments 
Sub Title (in English)  
Keyword(1) ITS  
Keyword(2) Inter-Vehicle Communication  
Keyword(3) Radio Propagation  
Keyword(4) Loss Prediction  
Keyword(5) Geometrical Optics  
Keyword(6) Breakpoint  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshinobu Ito  
1st Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
2nd Author's Name Tokio Taga  
2nd Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
3rd Author's Name Junya Muramatsu  
3rd Author's Affiliation TOYOTA Central Laboratory (TOYOTA Central Lab.)
4th Author's Name Noriyoshi Suzuki  
4th Author's Affiliation TOYOTA Central Laboratory (TOYOTA Central Lab.)
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Speaker Author-1 
Date Time 2007-01-26 10:50:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2006-126 
Volume (vol) vol.106 
Number (no) no.491 
Page pp.95-100 
#Pages 6 
Date of Issue 2007-01-18 (AP) 

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