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Paper Abstract and Keywords
Presentation 2024-09-06 15:40
Domain Decomposition with Voronoi Diagrams in Distributed Virtual Space
Takahiro Shinya, Takuji Tachibana (Fukui Univ) NS2024-85
Abstract (in Japanese) (See Japanese page) 
(in English) The use of large-scale virtual spaces using Digital Twin (DT) has attracted attention, and the "Virtual Singapore" project uses a 3D model that accurately reproduces the entire city of Singapore for urban planning, traffic management, disaster prevention, and other purposes. In order to construct a large-scale virtual environment linked to real-world DTs, it is expected that enormous amounts of computational processing will be distributed among multiple multi-access edge computing (MEC) servers. Such a distributed virtual space can be constructed and operated by integrating multiple partial virtual spaces constructed by each MEC server in real time, appropriately reflecting the information in the physical space. In this paper, we propose a region partitioning method for constructing distributed virtual spaces that takes into account real-time synchronization among partial virtual spaces. In the proposed region partitioning method, the target region is partitioned using a Voronoi diagram to realize real-time synchronization among partial virtual spaces, and MEC servers are placed in each region considering the synchronization strength conditions of DTs. The proposed method formulates an optimization problem to minimize the variation of environment synchronization time in the sub-virtual space, and derives the solution using a genetic algorithm to construct an appropriate sub-virtual space. We investigate the effectiveness of the proposed method by evaluating its performance on numerical examples.
Keyword (in Japanese) (See Japanese page) 
(in English) Distributed Virtual Space / Digital twin / Synchronization time / Genetic algorithm / Voronoi diagram / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 179, NS2024-85, pp. 60-64, Sept. 2024.
Paper # NS2024-85 
Date of Issue 2024-08-29 (NS) 
ISSN 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 NS2024-85

Conference Information
Committee NS IN CS NV  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Session management (SIP/IMS), Interoperability/Standardization, NGN/NwGN/Future networks, Cloud/Data center networks, SDN (OpenFlow, etc.)/NFV, IPv6, Machine learning, etc. 
Paper Information
Registration To NS 
Conference Code 2024-09-IN-NS-CS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Domain Decomposition with Voronoi Diagrams in Distributed Virtual Space 
Sub Title (in English)  
Keyword(1) Distributed Virtual Space  
Keyword(2) Digital twin  
Keyword(3) Synchronization time  
Keyword(4) Genetic algorithm  
Keyword(5) Voronoi diagram  
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1st Author's Name Takahiro Shinya  
1st Author's Affiliation University of Fukui (Fukui Univ)
2nd Author's Name Takuji Tachibana  
2nd Author's Affiliation University of Fukui (Fukui Univ)
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Speaker Author-1 
Date Time 2024-09-06 15:40:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2024-85 
Volume (vol) vol.124 
Number (no) no.179 
Page pp.60-64 
#Pages 5 
Date of Issue 2024-08-29 (NS) 

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