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Paper Abstract and Keywords
Presentation 2015-03-03 11:10
Two-tier Common Control Channel Scheme for Cognitive VANET
Shoji Tsuru, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie (Kyushu Inst. of Tech.) NS2014-231
Abstract (in Japanese) (See Japanese page) 
(in English) With the introduction of intelligent transport systems (ITS), vehicles will soon begin to serve as communication vehicles, much like handheld PC and smartphones. To achieve wide deployment of VANET apps., acquisition of new available spectrum bands (SBs) is becoming an urgent necessity, but it is extremely difficult due to the spectrum scarcity problem. In this study, cognitive radio technology, in which unlicensed secondary user (SU) temporarily utilizes white space(s), i.e., unused SBs, flexibly from the vast range of SBs allocated to licensed primary user (PU), is applied to VANET (Cognitive VANET). In Cognitive VANET, since (1) the network topology and (2) available white spaces change continuously in time and space, a common control channel (CCC) is essential to provide efficient communication. We propose the architectural design of both location-based and group-based CCCs to solve two crucial issues. A first CCC enables a vehicle to discover other vehicles, and to form a group based upon the information exchanged in a large area (i.e., Zone), which is referred to as a zone aware control channel (ZACC). After forming the group, the second group-based CCC conveys and shares various information among vehicles participating the group (i.e., Swarm), to select a data channel (i.e., Dch), which is referred to as a swarm aware control channel (SACC). In this study, we compare the performance of the proposed scheme with the existing studies through simulation experiments and show that the proposed scheme can improve the CCC's availability by 40% at the maximum.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / Vehicle Adhoc Network / Control Channel / ZACC / SACC / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 477, NS2014-231, pp. 313-318, March 2015.
Paper # NS2014-231 
Date of Issue 2015-02-23 (NS) 
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 NS2014-231

Conference Information
Committee NS IN  
Conference Date 2015-03-02 - 2015-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2015-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Two-tier Common Control Channel Scheme for Cognitive VANET 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) Vehicle Adhoc Network  
Keyword(3) Control Channel  
Keyword(4) ZACC  
Keyword(5) SACC  
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1st Author's Name Shoji Tsuru  
1st Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
2nd Author's Name Kazuya Tsukamoto  
2nd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
3rd Author's Name Masato Tsuru  
3rd Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
4th Author's Name Yuji Oie  
4th Author's Affiliation Kyushu Institute of Technology (Kyushu Inst. of Tech.)
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Speaker Author-1 
Date Time 2015-03-03 11:10:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2014-231 
Volume (vol) vol.114 
Number (no) no.477 
Page pp.313-318 
#Pages 6 
Date of Issue 2015-02-23 (NS) 

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