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Paper Abstract and Keywords
Presentation 2018-04-24 10:20
Information Delivery Delay Reduction by Relay-Assisted Inter-Vehicle Broadcast Communications in Urban Environment
Le Tien Trien, Yasushi Yamao (UEC) RCS2018-17
Abstract (in Japanese) (See Japanese page) 
(in English) V2V broadcast communication is not only promising for safety driving assistance but also enhancing automated driving ability by sharing information of vehicle moving behavior with other vehicles. However, an important issue is how to reduce information delivery delay and achieve highly reliable communication that is essential for automated vehicle control by machine. Although repeated transmission method can enhance reliability of broadcast transmission, information delivery delay significantly increases as packet delivery rate (PDR) decreases. In order to improve the PDR of V2V communications, relay-assisted V2V schemes have been proposed. In this paper, information delivery delay of the relay-assisted scheme is analyzed. Then performance with roadside relay stations considering urban environment with multiple intersections and more than 1100 vehicles is evaluated through large-scale network simulation. The obtained results show that the average delivery delay is remarkably reduced by the relay-assist scheme to less than 20 ms, which is less than a quarter of the direct V2V communication.
Keyword (in Japanese) (See Japanese page) 
(in English) ITS / V2V / 802.11p / relay-assist / delivery delay / intersections / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 12, RCS2018-17, pp. 85-90, April 2018.
Paper # RCS2018-17 
Date of Issue 2018-04-16 (RCS) 
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 RCS2018-17

Conference Information
Committee RCS  
Conference Date 2018-04-23 - 2018-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel New Tanaka, Yuda Onsen 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio Access Technologies, etc. 
Paper Information
Registration To RCS 
Conference Code 2018-04-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Information Delivery Delay Reduction by Relay-Assisted Inter-Vehicle Broadcast Communications in Urban Environment 
Sub Title (in English)  
Keyword(1) ITS  
Keyword(2) V2V  
Keyword(3) 802.11p  
Keyword(4) relay-assist  
Keyword(5) delivery delay  
Keyword(6) intersections  
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Keyword(8)  
1st Author's Name Le Tien Trien  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Yasushi Yamao  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-2 
Date Time 2018-04-24 10:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2018-17 
Volume (vol) vol.118 
Number (no) no.12 
Page pp.85-90 
#Pages 6 
Date of Issue 2018-04-16 (RCS) 

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