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Paper Abstract and Keywords
Presentation 2007-04-23 14:15
Mobility Model based on Incoming and Outgoing Nodes to an Area
Satoshi Aihara, Masahiro Sasabe, Hirotaka Nakano (Osaka Univ.) CQ2007-4
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a mobility model which estimates a node distribution in a service area from node flows on
the boundary of the area. Our model targets new wireless communication techniques, such as Bluetooth and ZigBee, whose transmission ranges, called cells, are relatively small. The proposed model reproduces the mobility of nodes in an area by the observation of the incoming and outgoing nodes to the area. At first, we focus on a person as a node and observe an area here people actually pass through. From the observation results, we show that a node moves along with an approximately straight line with a velocity following a normal distribution. Furthermore, we propose two methods that estimate correspondences between incoming and outgoing events to the area; combinatorial optimization based method (COM) and Bayesian estimation based method (BEM). As a result, the reproduction ratio of COM is 0.736, and that of BEM is 1.
Keyword (in Japanese) (See Japanese page) 
(in English) mobility model / node distribution / incoming and outgoing nodes to an area / combinatorial optimization / Bayesian estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 19, CQ2007-4, pp. 19-24, April 2007.
Paper # CQ2007-4 
Date of Issue 2007-04-16 (CQ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee CQ CS  
Conference Date 2007-04-23 - 2007-04-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Media Quality, Quality Evaluation Model, Reliability, Security, Quality of Ubiquitous/Broadband Networks, etc 
Paper Information
Registration To CQ 
Conference Code 2007-04-CQ-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mobility Model based on Incoming and Outgoing Nodes to an Area 
Sub Title (in English)  
Keyword(1) mobility model  
Keyword(2) node distribution  
Keyword(3) incoming and outgoing nodes to an area  
Keyword(4) combinatorial optimization  
Keyword(5) Bayesian estimation  
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1st Author's Name Satoshi Aihara  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Masahiro Sasabe  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Hirotaka Nakano  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2007-04-23 14:15:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2007-4 
Volume (vol) vol.107 
Number (no) no.19 
Page pp.19-24 
#Pages
Date of Issue 2007-04-16 (CQ) 


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