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Paper Abstract and Keywords
Presentation 2008-07-28 10:00
Performance comparison of OFDM and MC-CDMA in Inter-Vehicle Communications for Safety Driving Support
Atsunori Sakata, Takaya Yamazato (Nagoya Univ.), Hiraku Okada (Niigata Univ.), Masaaki Katayama (Nagoya Univ.) ITS2008-8
Abstract (in Japanese) (See Japanese page) 
(in English) This paper evaluates the packet success rate of aa orthogonal frequency
division multiplexing(OFDM) , a multicarrier CDMA(MC-CDMA) and a multicarrier orthogonal frequency division multiple access(MC-OFDMA) based on MC-CDMA. In particular, we compare the packet success rate in a high traffic situation where a hidden terminal is no longer negligible. A hidden terminal problem tends to occur in a situation of sight limitation such as intersection. We focus on physical layer and adopt MC-CDMA so that simultaneous reception is possible. This feature gives possible resistance to hidden terminal problem. In this paper, we investigate how the packet success rate performance varies with spreading factor and how to assign subcarrier. As results, we show that MC-OFDMA based on MC-CDMA shows better packet success rate than OFDM.
Keyword (in Japanese) (See Japanese page) 
(in English) Inter-vehicle communications / CSMA / hidden terminal problem / Slotted ALOHA / OFDM / MC-CDMA / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 171, ITS2008-8, pp. 1-6, July 2008.
Paper # ITS2008-8 
Date of Issue 2008-07-21 (ITS) 
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 ITS2008-8

Conference Information
Committee ITS  
Conference Date 2008-07-28 - 2008-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Positioning Systems for ITS, etc. 
Paper Information
Registration To ITS 
Conference Code 2008-07-ITS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance comparison of OFDM and MC-CDMA in Inter-Vehicle Communications for Safety Driving Support 
Sub Title (in English)  
Keyword(1) Inter-vehicle communications  
Keyword(2) CSMA  
Keyword(3) hidden terminal problem  
Keyword(4) Slotted ALOHA  
Keyword(5) OFDM  
Keyword(6) MC-CDMA  
Keyword(7)  
Keyword(8)  
1st Author's Name Atsunori Sakata  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Takaya Yamazato  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiraku Okada  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Masaaki Katayama  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2008-07-28 10:00:00 
Presentation Time 30 minutes 
Registration for ITS 
Paper # ITS2008-8 
Volume (vol) vol.108 
Number (no) no.171 
Page pp.1-6 
#Pages 6 
Date of Issue 2008-07-21 (ITS) 

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