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| Presentation | 2011-04-21 14:25 A study on the maintainability for telecommunication networks -- Non-parametric method and improvement the precision of the analysis -- Hiroyuki Funakoshi, Tatsuya Matsukawa, Yasuto Nakanishi (NTT)  IN2011-5 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The authors have been established the reliability evaluation methods using actual outage data of telecommunication networks systematically. In particular, ``R'', a free software environment for statistical computing and graphics, is important to analyze outage data efficiently. As for the maintainability, that evaluates the facility in maintenance, the authors proposed the capability of computation based on parametric estimation of statistical models for the time to repair distribution. Parametric estimation has the advantage of coordinating with the parameter and the action of maintenance, and making random numbers for simulation. It depends on the initial value for the optimization such as maximum likelihood method. Therefore, the optimal solution does not always be derived infallibly by one trial. On the other hand, non-parametric estimation including the kernel density does not depend on the initial value. However, the non-parametric evaluation of maintainability for telecommunication networks is not established. In this paper, the authors propose the non-parametric evaluation method of maintainability with kernel density. Moreover, improving the precision of the proposal is also shown. With our proposal, the result approximately conform to the parametric evaluation. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | reliability / maintainability / non-parametric / kernel density / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 9, IN2011-5, pp. 23-28, April 2011. | |
| Paper # | IN2011-5 | |
| Date of Issue | 2011-04-14 (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) | |
| Download PDF | IN2011-5 |
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| Conference Information | |
| Committee | IN |
| Conference Date | 2011-04-21 - 2011-04-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile network, Home network, Ubiquitous network, etc. |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2011-04-IN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on the maintainability for telecommunication networks |
| Sub Title (in English) | Non-parametric method and improvement the precision of the analysis |
| Keyword(1) | reliability |
| Keyword(2) | maintainability |
| Keyword(3) | non-parametric |
| Keyword(4) | kernel density |
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| 1st Author's Name | Hiroyuki Funakoshi |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corp. (NTT) |
| 2nd Author's Name | Tatsuya Matsukawa |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corp. (NTT) |
| 3rd Author's Name | Yasuto Nakanishi |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corp. (NTT) |
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| Speaker | Author-1 |
| Date Time | 2011-04-21 14:25:00 |
| Presentation Time | 25 minutes |
| Registration for | IN |
| Paper # | IN2011-5 |
| Volume (vol) | vol.111 |
| Number (no) | no.9 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2011-04-14 (IN) |
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