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Paper Abstract and Keywords
Presentation 2011-08-26 11:10
A Study on for using Layer-3 Diversity System in Satellite Communications
Tadao Mizutani, Hiroki Nishiyama (Tohoku Univ.), Katsuya Nakahira (NTT), Nei Kato (Tohoku Univ.) SAT2011-33
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, the advances in high-speed wireless communications, along with miniaturization and the reduction in price of mobile devices, have facilitated the move towards wireless Internet access.
Consequently, the number of domestic public wireless LAN service subscribers have grown 1.5 times in the last four years span, starting from the end of 2006 to the end of 2010 Additionally, providing Internet service in moving vehicles such as trains is crucial.
However, traditional public wireless LAN services can not provide sufficient bandwidth in such scenarios.
Hence, satellite communications shows promise as solution to provide sufficient bandwidth in trains. To satellite communications for the trains, signal cutoff is an especially important issue.
As a countermeasure, match-up to layer-3 diversity along with gap filer is employed.
layer-3 diversity is a method by which the same packet is received by multiple antennas and selects the optimum packet.
This paper focuses on the Layer-3 diversity technology,
and the transfer processing of the IP packet executed by Layer-3 diversity that examines the possibility of the formation of bottlenecks in Wide-Bandcommunication. And, we proposes the method for solving it.
Keyword (in Japanese) (See Japanese page) 
(in English) Layer-3 Diversity / Satellite communications / Load-Balancing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 179, SAT2011-33, pp. 93-98, Aug. 2011.
Paper # SAT2011-33 
Date of Issue 2011-08-18 (SAT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 SAT2011-33

Conference Information
Committee RCS SAT  
Conference Date 2011-08-25 - 2011-08-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Special session on coding techniques, Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To SAT 
Conference Code 2011-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on for using Layer-3 Diversity System in Satellite Communications 
Sub Title (in English)  
Keyword(1) Layer-3 Diversity  
Keyword(2) Satellite communications  
Keyword(3) Load-Balancing  
1st Author's Name Tadao Mizutani  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hiroki Nishiyama  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Katsuya Nakahira  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Nei Kato  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2011-08-26 11:10:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2011-33 
Volume (vol) IEICE-111 
Number (no) no.179 
Page pp.93-98 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2011-08-18 

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