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Paper Abstract and Keywords
Presentation 2021-08-17 16:10
Design and Evaluation of ToF image sensor with Pulse-Frequency-Modulation Pixel for In-Pixel Code Discrimination
Nao Watanabe, Makoto Ikeda (Univ. of Tokyo) SDM2021-34 ICD2021-5
Abstract (in Japanese) (See Japanese page) 
(in English) ToF's operational issues include multi-user interference and intentional attacks by third party. To deal with such interference, we propose an indirect ToF system with a code discrimination function. In the system, signal light is code-modulated, decoded with a sensor, and collated with the original code, aiming to improve the reliability of ToF measurement. From the viewpoint of data communication speed, in-pixel operation is desirable, and we considered methods for in-pixel distance measurement and code discrimination by pulse generation with a pulse frequency modulator (PFM) and pulse processing. This paper shows system simulation, the chip design and measurement results.
Keyword (in Japanese) (See Japanese page) 
(in English) Time-of-Flight / reliability improvement / code discrimination / in-pixel / Pulse frequency modulator (PFM) / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 139, ICD2021-5, pp. 22-27, Aug. 2021.
Paper # ICD2021-5 
Date of Issue 2021-08-10 (SDM, ICD) 
ISSN 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SDM2021-34 ICD2021-5

Conference Information
Committee SDM ICD ITE-IST  
Conference Date 2021-08-17 - 2021-08-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications 
Paper Information
Registration To ICD 
Conference Code 2021-08-SDM-ICD-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design and Evaluation of ToF image sensor with Pulse-Frequency-Modulation Pixel for In-Pixel Code Discrimination 
Sub Title (in English)  
Keyword(1) Time-of-Flight  
Keyword(2) reliability improvement  
Keyword(3) code discrimination  
Keyword(4) in-pixel  
Keyword(5) Pulse frequency modulator (PFM)  
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Keyword(7)  
Keyword(8)  
1st Author's Name Nao Watanabe  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo)
2nd Author's Name Makoto Ikeda  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo)
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Speaker Author-1 
Date Time 2021-08-17 16:10:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # SDM2021-34, ICD2021-5 
Volume (vol) vol.121 
Number (no) no.138(SDM), no.139(ICD) 
Page pp.22-27 
#Pages 6 
Date of Issue 2021-08-10 (SDM, ICD) 

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