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Paper Abstract and Keywords
Presentation 2025-09-18 10:00
[Poster Presentation] Estimation of Propagation Characteristics in Non-Line-of-Sight Environments over Intersections using a Large Number of Intersection Models
Mabuchi Shunsuke, Fujimoto Mitoshi (Fukui Univ.) AP2025-88 MW2025-70
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, due to factors such as the aging population, the demand for the implementation of autonomous driving technologies has been increasing. and the use of the 760 MHz band ITS communication system as a communication method is being considered. Using such systems need communication between roadside and vehicle is indispensable for understanding the service coverage area. In particular, the Non-Line-of-Sight environment over urban intersections is greatly affected by urban structures and is dominated by complex reflected and diffracted waves, making it difficult to characterize radio propagation characteristics. In this paper, in order to reproduce a variety of urban environments, a large number of standardized intersection models were generated by applying coordinate rotation and transformation to a parcel model of Kyoto Prefecture based on the Geospatial Information Authority of Japan basic map information. The ray tracing simulation of radio propagation using these models showed a strong correlation between the slopes and the intercepts of the logarithmic approximation of the received power intensity.
Keyword (in Japanese) (See Japanese page) 
(in English) ITS communication / ray tracing / propagation loss / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 180, AP2025-88, pp. 74-75, Sept. 2025.
Paper # AP2025-88 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 
ISSN 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 AP2025-88 MW2025-70

Conference Information
Committee MW AP  
Conference Date 2025-09-16 - 2025-09-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Koganei Campus, Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Microwave, Millimeter wave, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2025-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Estimation of Propagation Characteristics in Non-Line-of-Sight Environments over Intersections using a Large Number of Intersection Models 
Sub Title (in English)  
Keyword(1) ITS communication  
Keyword(2) ray tracing  
Keyword(3) propagation loss  
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1st Author's Name Mabuchi Shunsuke  
1st Author's Affiliation Fukui University (Fukui Univ.)
2nd Author's Name Fujimoto Mitoshi  
2nd Author's Affiliation Fukui University (Fukui Univ.)
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Speaker Author-1 
Date Time 2025-09-18 10:00:00 
Presentation Time 120 minutes 
Registration for AP 
Paper # AP2025-88, MW2025-70 
Volume (vol) vol.125 
Number (no) no.180(AP), no.181(MW) 
Page pp.74-75(AP), pp.9-10(MW) 
#Pages 2 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 

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