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Paper Abstract and Keywords
Presentation 2018-10-12 13:55
Fundamental Study on Ambiguity Suppression by Using SIMO radar of Automotive Squint-mode MW-SAR
Akira Oshima, Hiroyoshi Yamada, Shogo Muramatsu, Yoshio Yamaguchi (Niigata Univ.) SANE2018-52
Abstract (in Japanese) (See Japanese page) 
(in English) Automatic operating system for vehicle, such as advanced driver assistance system, has been intensively studied recently. Especially, Millimeter wave (mmWave) automotive radar can observe long distance even in bad weather condition, so that it has been attracting attentions. Although the performance of the array antenna can be improved by large aperture array, but it is often difficult to mount on a vehicle due to space limitation. The authors have proposed mmWave SAR (Synthetic Aperture Radar) processing for vehicle. SAR processing can generate the high-resolution 2-D images even with a small antenna. In observing by mmWave automotive SAR, ambiguity caused by grating lobes have appeared depending on the speed of the vehicle and PRI (Pulse Reputation Interval) of the radar in oberving region. To overcome the problem, we propose to adopt a SIMO (Single Input Multiple Output) system for the mmWave automotive SAR. By changing the radar's directivity, the appearance of grating lobes alters. In this papar, we show by computer simulation that ambiguity suppression by grating lobe. The simulation results show that SIMO radar can discriminate actual target clearly even in appearing ambiguity by grating robes in comparison with the SISO (Single Input Single Output) mmWave automotive SAR.
Keyword (in Japanese) (See Japanese page) 
(in English) millimeter wave automotive radar / synthetic aperture radar / grating lobes / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 239, SANE2018-52, pp. 45-49, Oct. 2018.
Paper # SANE2018-52 
Date of Issue 2018-10-05 (SANE) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SANE  
Conference Date 2018-10-12 - 2018-10-12 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radar signal processing and general issues 
Paper Information
Registration To SANE 
Conference Code 2018-10-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental Study on Ambiguity Suppression by Using SIMO radar of Automotive Squint-mode MW-SAR 
Sub Title (in English)  
Keyword(1) millimeter wave automotive radar  
Keyword(2) synthetic aperture radar  
Keyword(3) grating lobes  
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1st Author's Name Akira Oshima  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Hiroyoshi Yamada  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Shogo Muramatsu  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Yoshio Yamaguchi  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker
Date Time 2018-10-12 13:55:00 
Presentation Time 25 
Registration for SANE 
Paper # IEICE-SANE2018-52 
Volume (vol) IEICE-118 
Number (no) no.239 
Page pp.45-49 
#Pages IEICE-5 
Date of Issue IEICE-SANE-2018-10-05 


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