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Paper Abstract and Keywords
Presentation 2017-03-03 13:20
Improvement of Accommodation Efficiency in Emergency Communication Network by Introducing Permissible Number of Transmission Trials
Takumi Kada, Takuya Okamoto, Kazuki Tanabe, Katsunori Yamaoka (Tokyo Tech) IN2016-147
Abstract (in Japanese) (See Japanese page) 
(in English) Under emergency condition, a lot of general calls are blocked. Unconnected new calls should be connected more frequently. On the other hand, repeated call which they hope to connect to several places should have some room for accommodation. Even if the number of calls required until a new call is connected increases a little, it is allowed to the users to some extent. In this paper, the blocking rate of new call is defined as the consequence of several call trials. Then, we propose a method to set threshold in trunk reservation, which can accommodate more repeated calls by increasing the allowable blocking rate of new calls. We assume that a large number of repeated calls arrive and its arrival rate is much larger than that of new calls. We model arrival of only new calls and derive the approximated threshold. In this situation, the result of the computer simulation shows that more permissible transmission trials, more repeated calls can be accommodated, satisfying the allowable blocking rate of new calls.
Keyword (in Japanese) (See Japanese page) 
(in English) Trunk reservation / Queueing theory / Threshold control / Repeated call / Blocking rate / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 485, IN2016-147, pp. 299-304, March 2017.
Paper # IN2016-147 
Date of Issue 2017-02-23 (IN) 
ISSN Print edition: ISSN 0913-5685    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)
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Conference Information
Committee NS IN  
Conference Date 2017-03-02 - 2017-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) OKINAWA ZANPAMISAKI ROYAL HOTEL 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2017-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Accommodation Efficiency in Emergency Communication Network by Introducing Permissible Number of Transmission Trials 
Sub Title (in English)  
Keyword(1) Trunk reservation  
Keyword(2) Queueing theory  
Keyword(3) Threshold control  
Keyword(4) Repeated call  
Keyword(5) Blocking rate  
Keyword(6)  
Keyword(7)  
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1st Author's Name Takumi Kada  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Takuya Okamoto  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Kazuki Tanabe  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
4th Author's Name Katsunori Yamaoka  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2017-03-03 13:20:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2016-147 
Volume (vol) vol.116 
Number (no) no.485 
Page pp.299-304 
#Pages 6 
Date of Issue 2017-02-23 (IN) 

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