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Paper Abstract and Keywords
Presentation 2013-09-12 13:35
Probabilistic Store-Carry-Forward Routing based on Terminal Density Estimation
Tomotaka Kimura, Takahiro Matsuda, Tetsuya Takine (Osaka Univ.) CQ2013-34
Abstract (in Japanese) (See Japanese page) 
(in English) In store-carry-forward routing in DTN (Delay/Disruption Tolerant Network) environments, designing
efficient routing schemes is one of the most important technical issues. To reduce the number of message copies in
mobile ad hoc networks, we propose a probabilistic store-carry-forward routing scheme based on terminal density
estimation. In the proposed scheme, each terminal collects information of locations at which it encounters other
terminals, and the information is exchanged among terminals. In each terminal, the terminal density distribution
of the network is estimated with the location information. When a terminal with a message encounters other ter-
minals, it forwards its copy to them with a forwarding probability determined by the estimated distribution. The
proposed scheme utilizes the essence of store-carry-forward routing, where areas with a high terminal density have
high capability to deliver messages. Namely, it reduces the number of copies in the network by setting a lower
forwarding probability to terminals in higher density areas. With simulation experiments, we evaluate performance
of the proposed scheme in terms of mean delivery delay and the number of forwarded message copies.
Keyword (in Japanese) (See Japanese page) 
(in English) DTN / mobile ad hoc networks / probabilistic store-carry-forward routing / terminal density estimation / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 208, CQ2013-34, pp. 35-40, Sept. 2013.
Paper # CQ2013-34 
Date of Issue 2013-09-05 (CQ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee CQ MoNA IPSJ-DPS IPSJ-CN IPSJ-EIP  
Conference Date 2013-09-12 - 2013-09-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless LAN,M2M/Sensor network,P2P/adhoc network,Mobile application and service,Offload technique,Video delivery,and their quality and saving energy,General area 
Paper Information
Registration To CQ 
Conference Code 2013-09-CQ-MoNA-DPS-GN-EIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Probabilistic Store-Carry-Forward Routing based on Terminal Density Estimation 
Sub Title (in English)  
Keyword(1) DTN  
Keyword(2) mobile ad hoc networks  
Keyword(3) probabilistic store-carry-forward routing  
Keyword(4) terminal density estimation  
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1st Author's Name Tomotaka Kimura  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Takahiro Matsuda  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Tetsuya Takine  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2013-09-12 13:35:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2013-34 
Volume (vol) vol.113 
Number (no) no.208 
Page pp.35-40 
#Pages
Date of Issue 2013-09-05 (CQ) 


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