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Paper Abstract and Keywords
Presentation 2021-02-19 13:25
Traveling Ionospheric Disturbances Detection Using Time-Space Fourier Transform
Kei Akama, Tetsutaro Yamada, Yuki Sato, Hiroshi Kameda (Mitsubishi Electric Corp.) SANE2020-68
Abstract (in Japanese) (See Japanese page) 
(in English) For centimeter level satellite navigation service, it is important to estimate the amount of ionospheric delay that causes positioning errors.
In conventional ionospheric delay estimation techniques, when propagating ionospheric disturbances (TID) occur, which cause fine ionospheric delay variations on the order of tens of kilometers, the accuracy of ionospheric delay estimation is degraded.
This results in a decrease in positioning accuracy.
To address this issue, we propose a TID detection technique based on the Time-Space Fourier transform, which utilizes the plane-wave structure of TID.
Through experiments using GNSS data of actual TID, we confirmed that it is possible to detect TID and estimate the spatial distribution of ionospheric delay.
Keyword (in Japanese) (See Japanese page) 
(in English) GNSS / Ionosphere / Wave Form Estimation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 371, SANE2020-68, pp. 57-62, Feb. 2021.
Paper # SANE2020-68 
Date of Issue 2021-02-11 (SANE) 
ISSN Online edition: ISSN 2432-6380
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 SANE SAT  
Conference Date 2021-02-18 - 2021-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite technology, etc. 
Paper Information
Registration To SANE 
Conference Code 2021-02-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Traveling Ionospheric Disturbances Detection Using Time-Space Fourier Transform 
Sub Title (in English)  
Keyword(1) GNSS  
Keyword(2) Ionosphere  
Keyword(3) Wave Form Estimation  
1st Author's Name Kei Akama  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Tetsutaro Yamada  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Yuki Sato  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
4th Author's Name Hiroshi Kameda  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2021-02-19 13:25:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2020-68 
Volume (vol) vol.120 
Number (no) no.371 
Page pp.57-62 
Date of Issue 2021-02-11 (SANE) 

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