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Paper Abstract and Keywords
Presentation 2009-03-03 11:30
A Study on Overlay Multicast for Mobile Terminals
Hiroyuki Kubo, Makoto Yoshino (Kyoto Univ), Ryoichi Shinkuma (Kyoto Univ/Rutgers Univ,USA), Tatsuro Takahashi (Kyoto Univ) NS2008-152
Abstract (in Japanese) (See Japanese page) 
(in English) With the rapid growth of the wireless network and the function of mobile terminal, the services which need wide bandwidth like video streaming are expected to be used extensively over wireless networks.
Overlay multicast in which terminal relays content to other terminals is able to deliver the content to enormous terminals.
However, due to instantaneous disconnection and rapid bandwidth decrease
in wireless channels, we need a different architecture from the one used
for fixed environments. In this paper, we
propose a new overlay-topology design, where the instability information
of terminals determined by the physical conditions such as radio
strength, handover period and movement speed are used for building the
topology. Moreover, to suppress the negative impact of instantaneous
disconnection and rapid bandwidth decrease and to obtain the
route-diversity gain, the proposed method assigns more logical links to
the terminals that likely suffer from the impact, which results in the
improvement of the received stream qualities of the terminals. This
paper also shows its superiority to the conventional methods in terms of
service quality and robustness from the simulation results using a
wireless channel-quality model we newly propose.
Keyword (in Japanese) (See Japanese page) 
(in English) overlay multicast / wireless environment / route diversity / / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 457, NS2008-152, pp. 51-56, March 2009.
Paper # NS2008-152 
Date of Issue 2009-02-24 (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 NS2008-152

Conference Information
Committee IN NS  
Conference Date 2009-03-03 - 2009-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-Zanpamisaki Royal Hotel 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General issues 
Paper Information
Registration To NS 
Conference Code 2009-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Overlay Multicast for Mobile Terminals 
Sub Title (in English)  
Keyword(1) overlay multicast  
Keyword(2) wireless environment  
Keyword(3) route diversity  
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1st Author's Name Hiroyuki Kubo  
1st Author's Affiliation Kyoto University (Kyoto Univ)
2nd Author's Name Makoto Yoshino  
2nd Author's Affiliation Kyoto University (Kyoto Univ)
3rd Author's Name Ryoichi Shinkuma  
3rd Author's Affiliation Kyoto University/Rutgers Univ,USA (Kyoto Univ/Rutgers Univ,USA)
4th Author's Name Tatsuro Takahashi  
4th Author's Affiliation Kyoto University (Kyoto Univ)
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Speaker Author-1 
Date Time 2009-03-03 11:30:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2008-152 
Volume (vol) vol.108 
Number (no) no.457 
Page pp.51-56 
#Pages 6 
Date of Issue 2009-02-24 (NS) 

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