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Paper Abstract and Keywords
Presentation 2019-07-26 17:30
An efficient content sharing for distributed and collaborative cache networks of mobile devices
Takayuki Shiroma, Celimuge Wu, Tsutomu Yoshinaga (UEC) CPSY2019-38 DC2019-38
Abstract (in Japanese) (See Japanese page) 
(in English) Utilizing mobile devices as cache servers over 5G Device-to-Device(D2D) ad-hoc network is a promising technique to reduce explosive traffic generated from Video-on-Demand services. A challenge of D2D cache is to optimize this cache from a macroscopic view, but it has difficulty from the mismatch between the capricious nature of device mobility and the complexity of optimization. We partially overcome the complexity by Templatized Elastic Assignment (TEA) which utilizes templates for some typical optimization results and reuses them in different situations. Such templatization enables to determine the sub-optimal content allocation in the different number of devices with a few seconds of computation. In this paper, we expand TEA to autonomously manage content allocation to closer to an ideal situation which is generated from estimation from the number of devices. Our experiments show that the proposed scheme gives sub-optimal content allocation with only a few percents of traffic increase compared to a case of perfect content allocation.
Keyword (in Japanese) (See Japanese page) 
(in English) Traffic reduction / Video-on-demand / Device-to-Device communication / Mobile Network / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 147, CPSY2019-38, pp. 229-234, July 2019.
Paper # CPSY2019-38 
Date of Issue 2019-07-17 (CPSY, DC) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 CPSY2019-38 DC2019-38

Conference Information
Committee CPSY DC IPSJ-ARC  
Conference Date 2019-07-24 - 2019-07-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Kitami Civic Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Parallel, Distributed and Cooperative Processing Systems and Dependable Computing 
Paper Information
Registration To CPSY 
Conference Code 2019-07-CPSY-DC-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An efficient content sharing for distributed and collaborative cache networks of mobile devices 
Sub Title (in English)  
Keyword(1) Traffic reduction  
Keyword(2) Video-on-demand  
Keyword(3) Device-to-Device communication  
Keyword(4) Mobile Network  
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1st Author's Name Takayuki Shiroma  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Celimuge Wu  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Tsutomu Yoshinaga  
3rd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2019-07-26 17:30:00 
Presentation Time 30 minutes 
Registration for CPSY 
Paper # CPSY2019-38, DC2019-38 
Volume (vol) vol.119 
Number (no) no.147(CPSY), no.148(DC) 
Page pp.229-234 
#Pages
Date of Issue 2019-07-17 (CPSY, DC) 


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