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Paper Abstract and Keywords
Presentation 2009-12-18 13:40
Time Group Access SS-CSMA/CA for High-Throughput Layered-Tree Wireless Ad Hoc Networks
Naoto Kobatake, Yasushi Yamao (The Univ. of Electro-Comm) RCS2009-201
Abstract (in Japanese) (See Japanese page) 
(in English) For realizing large-scale wireless ad hoc networks, multi-hop delay and packet error due to packet collision are serious issues. In order to solve the issues, a multicode-reception spread-spectrum (MCR-SS) -CSMA/CA was proposed as a multiple access scheme suitable for cluster-tree networks. In this paper, a time group access (TGA) method is combined with the above multiple access scheme in order to gain higher interference reduction between subnets. The proposed scheme, which is referred to as TGA-SS-CSMA/CA, divides the cluster-tree network into upper subnets group and lower subnets group. Throughput and data delivery ratio for the proposed scheme are analyzed by simulations based on the IEEE 802.15.4/ZigBee specification. It is concluded that the proposed TGA-SS-CSMA/CA is effective for mitigating interference and improving network performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Ad hoc network / Time group access / CSMA/CA / Spread spectrum / Multi-code reception / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 341, RCS2009-201, pp. 203-208, Dec. 2009.
Paper # RCS2009-201 
Date of Issue 2009-12-10 (RCS) 
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 RCS2009-201

Conference Information
Committee RCS SAT  
Conference Date 2009-12-17 - 2009-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2009-12-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Time Group Access SS-CSMA/CA for High-Throughput Layered-Tree Wireless Ad Hoc Networks 
Sub Title (in English)  
Keyword(1) Ad hoc network  
Keyword(2) Time group access  
Keyword(3) CSMA/CA  
Keyword(4) Spread spectrum  
Keyword(5) Multi-code reception  
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1st Author's Name Naoto Kobatake  
1st Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm)
2nd Author's Name Yasushi Yamao  
2nd Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm)
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Speaker Author-1 
Date Time 2009-12-18 13:40:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2009-201 
Volume (vol) vol.109 
Number (no) no.341 
Page pp.203-208 
#Pages 6 
Date of Issue 2009-12-10 (RCS) 

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