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Paper Abstract and Keywords
Presentation 2022-07-27 15:05
TOF and DOA Estimation Using PN Correlation Method with 2D-FOCUSS in UWB Wireless System -- Improvement of Signal Source Position Estimation Performance in Multipath Environment --
Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2022-42
Abstract (in Japanese) (See Japanese page) 
(in English) The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system and can estimate DOA (Direction of Arrival) using an array antenna. In a multipath environment, however, we have a problem that TOF and DOA estimation accuracy deteriorates due to the mixing of multipath waves. Therefore, the method has been proposed in which multipath waves are separated by compressed sensing to obtain the desired wave, and improvement in estimation accuracy has been confirmed. In this study, for more accurate estimation, we proposed 2D-FOCUSS with improved multipath separation performance by dividing multipath waves not only in the time domain but also in the spatial domain. As a result of the simulation, the estimation accuracy of both TOF and DOA is significantly improved.
Keyword (in Japanese) (See Japanese page) 
(in English) UWB / TOF / DOA / Multipath waves / PN correlation method / 2D-FOCUSS / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 135, AP2022-42, pp. 44-49, July 2022.
Paper # AP2022-42 
Date of Issue 2022-07-20 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 SANE SAT  
Conference Date 2022-07-27 - 2022-07-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Asahikawa Taisetsu Crystal Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) TOF and DOA Estimation Using PN Correlation Method with 2D-FOCUSS in UWB Wireless System 
Sub Title (in English) Improvement of Signal Source Position Estimation Performance in Multipath Environment 
Keyword(1) UWB  
Keyword(2) TOF  
Keyword(3) DOA  
Keyword(4) Multipath waves  
Keyword(5) PN correlation method  
Keyword(6) 2D-FOCUSS  
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Keyword(8)  
1st Author's Name Kento Kataoka  
1st Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
2nd Author's Name Nobuyoshi Kikuma  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
3rd Author's Name Yoshiki Oishi  
3rd Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
4th Author's Name Tatsuya Koike  
4th Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
5th Author's Name Kenichi Koga  
5th Author's Affiliation Tokai Rika Co., Ltd. (Tokai Rika)
6th Author's Name Kunio Sakakibara  
6th Author's Affiliation Nagoya Institute of Technology (NIT)
7th Author's Name Yoshiki Sugimoto  
7th Author's Affiliation Nagoya Institute of Technology (NIT)
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Speaker Author-1 
Date Time 2022-07-27 15:05:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2022-42 
Volume (vol) vol.122 
Number (no) no.135 
Page pp.44-49 
#Pages
Date of Issue 2022-07-20 (AP) 


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