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Paper Abstract and Keywords
Presentation 2019-03-05 14:10
Opportunistic Routing for Heterogeneous IoT Network
Yasushi Okamura, Ryo Yamamoto, Satoshi Ohzahata, Toshihiko Kato (UEC) NS2018-280
Abstract (in Japanese) (See Japanese page) 
(in English) In IoT~(Internet of Things) networks, terminals such as sensors send collected data to Cloud systems through IoT gateways.
The IoT networks under IoT gateways generally composed of terminals with multiple communication technologies and establish heterogeneous networks, and required to utilize the IoT gateways even for mutual communications among terminals.
However, deploying bunch of IoT gateways for gaining connectivity is costly in many ways,
thus SSGW~(Solution specific gateways), which can only convert specific technologies, is introduced to reduce the cost maintaining the connectivity.
Although some routing protocols for IoT network with SSGW using specific fixed routes has been proposed,
connections in IoT networks become unstable in lossy environments and there still remains issues in load balancing and reliability.
This research addresses the issue with a novel opportunistic routing that employs broadcast-based forwarding with SSGW and ETX is used for forwarding decision metric.
The simulations clarify the effectiveness of the proposed routing protocol from the viewpoint of delay, PDR and load balancing.
Keyword (in Japanese) (See Japanese page) 
(in English) IoT / Ad-Hoc network / Routing Protocol / Opportunistic Routing / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 465, NS2018-280, pp. 501-506, March 2019.
Paper # NS2018-280 
Date of Issue 2019-02-25 (NS) 
ISSN 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 NS2018-280

Conference Information
Committee IN NS  
Conference Date 2019-03-04 - 2019-03-05 
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 2019-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Opportunistic Routing for Heterogeneous IoT Network 
Sub Title (in English)  
Keyword(1) IoT  
Keyword(2) Ad-Hoc network  
Keyword(3) Routing Protocol  
Keyword(4) Opportunistic Routing  
1st Author's Name Yasushi Okamura  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Ryo Yamamoto  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Satoshi Ohzahata  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Toshihiko Kato  
4th Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2019-03-05 14:10:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2018-280 
Volume (vol) vol.118 
Number (no) no.465 
Page pp.501-506 
Date of Issue 2019-02-25 (NS) 

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