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Paper Abstract and Keywords
Presentation 2018-01-25 17:00
Co-channel Interference among FMCW Radars Using Various Chirp Rates
Yuya Makino, Takuya Nozawa, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.), Hiroshi Kuroda (HiAMS Ltd.) SANE2017-96
Abstract (in Japanese) (See Japanese page) 
(in English) Research and development of ADAS (Advanced Driver Assistance Systems) and automatic driving technologies have been conducted all over the world. Millimeter-wave FMCW(Frequency Modulated Continuous Wave) radar can simultaneously detect the distance and the relative moving speed of the target, and has better detection performance in dark or harsh glare environments, and rainy or foggy weather compared with other sensors such as camera and LiDAR (Laser Imaging Detection and Ranging). However, as automotive radars are expected to be equipped in a huge number of cars in near future, inter-radar interference will be a significant problem since inter-radar interference can cause miss-detection and/or false detection of the target. As millimeter-wave automotive radar is not standardized at this moment, FMCW radars with various chirp-rates and chirp durations will be used. Therefore, it is necessary to evaluate co-channel interference among FMCW radars using various design parameters such as chirp rate. This report describes analysis and simulation results of co-channel interference among FMCW radars using different chirp rates and it reveals the relationship between chirp rate and SNR degradation caused by inter-radar interference. Furthermore, this report describes frequency sharing issues of FMCW radars.
Keyword (in Japanese) (See Japanese page) 
(in English) FMCW radar / chirp rate / inter-radar interference / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 403, SANE2017-96, pp. 59-64, Jan. 2018.
Paper # SANE2017-96 
Date of Issue 2018-01-18 (SANE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee SANE  
Conference Date 2018-01-25 - 2018-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Prefectural Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Positioning, navigation, Radar and general 
Paper Information
Registration To SANE 
Conference Code 2018-01-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Co-channel Interference among FMCW Radars Using Various Chirp Rates 
Sub Title (in English)  
Keyword(1) FMCW radar  
Keyword(2) chirp rate  
Keyword(3) inter-radar interference  
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1st Author's Name Yuya Makino  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Takuya Nozawa  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Masahiro Umehira  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
4th Author's Name Xiaoyan Wang  
4th Author's Affiliation Ibaraki University (Ibaraki Univ.)
5th Author's Name Shigeki Takeda  
5th Author's Affiliation Ibaraki University (Ibaraki Univ.)
6th Author's Name Hiroshi Kuroda  
6th Author's Affiliation Hitachi Automotive Systems, Ltd. (HiAMS Ltd.)
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Speaker Author-1 
Date Time 2018-01-25 17:00:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2017-96 
Volume (vol) vol.117 
Number (no) no.403 
Page pp.59-64 
#Pages
Date of Issue 2018-01-18 (SANE) 


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