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Paper Abstract and Keywords
Presentation 2017-07-28 13:10
Reliability Analysis for CANs based-on Discrete Time Markov Chain
Ryohei Satoh, Satoshi Fukumoto, Mamoru Ohara (Tokyo Metropolitan Univ.) R2017-15
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the controller area networks (CANs), the industry standard of in-vehicle network protocol, have continued to lose its reliability due to high electromagnetic noise caused by miniaturized inverter circuits.
Nakamura et al. proposed the hybrid communication protocol, consisting of automatic repeat request (ARQ) and forward error correction (FEC), as a high reliability method.
In this paper, we use discrete time Markov chain to analyze the reliability of this protocol.
We describe a fault model in which frame error rate (FER) depends on the value of transmit error counter (TEC).
We represent the value of TEC as states of discrete time Markov chain and FER as its transition probability.
By numerical calculation, we show that the average time until transition to the HALT mode in the hybrid communication protocol is longer than one in standard CAN protocol.
We also argue that the average number of data frames lost before transmitting to the HALT mode caused by FEC mode depends largely on the timing of transition to the FEC mode, FER, and the length of parity group.
Therefore, when the average number is large, some measures are required.
Keyword (in Japanese) (See Japanese page) 
(in English) controller area network (CAN) / hybrid communication protocol / stochastic analysis / discrete time Markov chain / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 161, R2017-15, pp. 7-12, July 2017.
Paper # R2017-15 
Date of Issue 2017-07-21 (R) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF R2017-15

Conference Information
Committee R  
Conference Date 2017-07-28 - 2017-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Wakkanai Sun Hotel 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To R 
Conference Code 2017-07-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reliability Analysis for CANs based-on Discrete Time Markov Chain 
Sub Title (in English)  
Keyword(1) controller area network (CAN)  
Keyword(2) hybrid communication protocol  
Keyword(3) stochastic analysis  
Keyword(4) discrete time Markov chain  
Keyword(5)  
Keyword(6)  
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1st Author's Name Ryohei Satoh  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Satoshi Fukumoto  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
3rd Author's Name Mamoru Ohara  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2017-07-28 13:10:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2017-15 
Volume (vol) vol.117 
Number (no) no.161 
Page pp.7-12 
#Pages 6 
Date of Issue 2017-07-21 (R) 

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