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Paper Abstract and Keywords
Presentation 2023-03-16 15:00
A Study of Multipath Estimation using Color Images Method
Takahiro Tomie, Satoshi Suyama, Koshiro Kitao, Mitsuki Nakamura (NTT DOCOMO INC.) AP2022-239
Abstract (in Japanese) (See Japanese page) 
(in English) Currently, research and development of realization of the 6th generation mobile communication system (6G) are carried out intensively by many organizations around the world. In order to maximize the performance of 6G systems using dynamic control by cyber-physical system (CPS), a technology for estimating and predicting radio propagation characteristics in real time with high accuracy is required. To realize the technology, we proposed the color images method (CIM) as a new method for fast estimation of radio propagation characteristics. In the CIM, detecting paths and calculating received powers or path loss, delays, angle characteristics of scattering waves, are based on the color images of the environments which seen from the transmission and receiving points. Up to now, in propagation loss, we have shown superior estimation accuracy and computation time compared to the conventional ray trace method (RTM). In this report, in order to clarify the estimation performance of the CIM for multipath characteristic, we use the CIM to estimate multipath characteristics such as delay times, angle characteristics and compare with those of Wireless InSite employing the RTM.
Keyword (in Japanese) (See Japanese page) 
(in English) 6G / CPS / multipath characteristics estimation / color images method / ray tracing method / estimation performance / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 441, AP2022-239, pp. 31-36, March 2023.
Paper # AP2022-239 
Date of Issue 2023-03-09 (AP) 
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 AP2022-239

Conference Information
Committee AP  
Conference Date 2023-03-16 - 2023-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyama Prefectural Civic Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2023-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study of Multipath Estimation using Color Images Method 
Sub Title (in English)  
Keyword(1) 6G  
Keyword(2) CPS  
Keyword(3) multipath characteristics estimation  
Keyword(4) color images method  
Keyword(5) ray tracing method  
Keyword(6) estimation performance  
Keyword(7)  
Keyword(8)  
1st Author's Name Takahiro Tomie  
1st Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO INC.)
2nd Author's Name Satoshi Suyama  
2nd Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO INC.)
3rd Author's Name Koshiro Kitao  
3rd Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO INC.)
4th Author's Name Mitsuki Nakamura  
4th Author's Affiliation NTT DOCOMO INC. (NTT DOCOMO INC.)
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Speaker Author-1 
Date Time 2023-03-16 15:00:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2022-239 
Volume (vol) vol.122 
Number (no) no.441 
Page pp.31-36 
#Pages 6 
Date of Issue 2023-03-09 (AP) 

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