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Paper Abstract and Keywords
Presentation 2018-07-25 13:10
A Study on Amplitude Controlling Using Modulated Wave toward Countermeasure against Spoofing Attack on Ultrasonic Rangefinder
Daisuke Fujimoto, Yu-ichi Hayashi (NAIST) ISEC2018-17 SITE2018-9 HWS2018-14 ICSS2018-20 EMM2018-16
Abstract (in Japanese) (See Japanese page) 
(in English) Various sensors are increasing with spread of applications such as automatic operation. Ultrasonic rangefinders have become widespread as inexpensive devices that measure distance using the difference in transmission / reception time of ultrasonic waves called Time of Flight (ToF) method. In recent years, attacks have been proposed in which distance measurement is made impossible or erroneous to an arbitrary distance by applying unintended ultrasonic waves to the ultrasonic rangefinder. In this paper, we investigated a method to control the amplitude of ultrasonic wave by using PWMmodulation as the input signal for generating ultrasonic wave, and to make the feature difficult to spoof. Experiments have confirmed that the amplitude of the ultrasonic wave can actually be controlled by excitation pulse using PWM modulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Instrumentation security / Ultrasonic rangefinder / Time of flight / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 153, HWS2018-14, pp. 55-59, July 2018.
Paper # HWS2018-14 
Date of Issue 2018-07-18 (ISEC, SITE, HWS, ICSS, EMM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF ISEC2018-17 SITE2018-9 HWS2018-14 ICSS2018-20 EMM2018-16

Conference Information
Conference Date 2018-07-25 - 2018-07-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Sapporo Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security, etc. 
Paper Information
Registration To HWS 
Conference Code 2018-07-HWS-ISEC-SITE-ICSS-EMM-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Amplitude Controlling Using Modulated Wave toward Countermeasure against Spoofing Attack on Ultrasonic Rangefinder 
Sub Title (in English)  
Keyword(1) Instrumentation security  
Keyword(2) Ultrasonic rangefinder  
Keyword(3) Time of flight  
1st Author's Name Daisuke Fujimoto  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Yu-ichi Hayashi  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time 2018-07-25 13:10:00 
Presentation Time 25 
Registration for HWS 
Paper # IEICE-ISEC2018-17,IEICE-SITE2018-9,IEICE-HWS2018-14,IEICE-ICSS2018-20,IEICE-EMM2018-16 
Volume (vol) IEICE-118 
Number (no) no.151(ISEC), no.152(SITE), no.153(HWS), no.154(ICSS), no.155(EMM) 
Page pp.55-59 
#Pages IEICE-5 
Date of Issue IEICE-ISEC-2018-07-18,IEICE-SITE-2018-07-18,IEICE-HWS-2018-07-18,IEICE-ICSS-2018-07-18,IEICE-EMM-2018-07-18 

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