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Paper Abstract and Keywords
Presentation 2021-03-02 14:40
Performance evaluation of priority control scheme for the shortest reservation call in disaster congestion
Yuto Mogi, Kenko Ota, Takehumi Hiraguri, Hideaki Yoshino (NIT) CQ2020-112
Abstract (in Japanese) (See Japanese page) 
(in English) When a disaster such as an earthquake occurs, telephone traffic to the disaster area increases rapidly for mainly safety confirmations and leads a telephone network congestion. The existing congestion control for telephone network regulates the call demands at the subscriber switches or cellular phones, which results in drastic decrease of call completion rate. Disaster emergency message dial service does not meet the user needs to confirm the safety and to talk directly. In this paper, we evaluate transient characteristics and verify the improved reservation control scheme which suppresses divergence of the number of waiting calls. It was clarified that the number of reservation calls diverges as the traffic volume increases. Furthermore, as a method of suppressing this divergence, we propose an improved scheme to reduce the desired holding time by a fixed rate when the number of waiting reservation calls exceeds a threshold, we evaluated the average waiting time and the threshold excess rate characteristics and confirmed that the proposed scheme can stabilize there characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) Communication Traffic / Congestion Control / Reservation Control / Transient characteristics / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 392, CQ2020-112, pp. 22-27, March 2021.
Paper # CQ2020-112 
Date of Issue 2021-02-22 (CQ) 
ISSN Print edition: ISSN 0913-5685  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)
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Conference Information
Committee MVE IMQ IE CQ  
Conference Date 2021-03-01 - 2021-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2021-03-MVE-IMQ-IE-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance evaluation of priority control scheme for the shortest reservation call in disaster congestion 
Sub Title (in English)  
Keyword(1) Communication Traffic  
Keyword(2) Congestion Control  
Keyword(3) Reservation Control  
Keyword(4) Transient characteristics  
1st Author's Name Yuto Mogi  
1st Author's Affiliation Nippon Institute of Technology (NIT)
2nd Author's Name Kenko Ota  
2nd Author's Affiliation Nippon Institute of Technology (NIT)
3rd Author's Name Takehumi Hiraguri  
3rd Author's Affiliation Nippon Institute of Technology (NIT)
4th Author's Name Hideaki Yoshino  
4th Author's Affiliation Nippon Institute of Technology (NIT)
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Date Time 2021-03-02 14:40:00 
Presentation Time 25 
Registration for CQ 
Paper # IEICE-CQ2020-112 
Volume (vol) IEICE-120 
Number (no) no.392 
Page pp.22-27 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2021-02-22 

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