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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ | 2022-07-21 15:30 |
Osaka | Ritsumeikan Ibaraki Future Plaza Conference Hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
Data visualization and related technologies in reliability assessment of telecommunication networks Hiroyuki Funakoshi (NTT-AT)  CQ2022-20 |
The author conducted research on reliability evaluation techniques specific to telecommunication networks. Through this ... [more] | CQ2022-20 pp.19-24 |
| CQ | 2018-01-19 15:50 |
Tokyo | NII | Time series analysis of failure rates of equipments for telecommunication networks.
-- Improvement of the method of prediction -- Hiroyuki Funakoshi (NTT) CQ2017-101 |
The author has been predicted the failure rate of telecommunication network equipments by the state space model. The met... [more] | CQ2017-101 pp.93-98 |
| CQ | 2017-08-28 10:40 |
Tokyo | Tokyo University of Science | Time series analysis of failure rates of equipments for telecommunication networks.
-- State space model using Kalman filter -- Hiroyuki Funakoshi (NTT) CQ2017-50 |
The author has been predicted the failure rate of telecommunication network equipments by the state space model with Bay... [more] | CQ2017-50 pp.1-6 |
| CQ | 2017-07-27 12:05 |
Hyogo | Kobe University | Time series analysis of failure rates of equipments for telecommunication networks.
-- State space model using Bayesian inference -- Hiroyuki Funakoshi (NTT) CQ2017-35 |
The author has been analyzed the failure rate of telecommunication network equipments by time series analysis using ARIM... [more] | CQ2017-35 pp.37-42 |
| ICD | 2017-04-20 16:10 |
Tokyo | [Invited Talk]
A 512Gb 3b/Cell Flash Memory on 64-Word-Line-Layer BiCS Technology Ryuji Yamashita, Sagar Magia (WDC), Tsutomu Higuchi, Kazuhide Yoneya, Toshio Yamamura (Toshiba), Hiroyuki Mizukoshi, Shingo Zaitsu, Minoru Yamashita, Shunichi Toyama, Norihiro Kamae, Juan Lee, Shuo Chen, Jiawei Tao, William Mak, Xiaohua Zhang (WDC) ICD2017-9 |
A 512Gb 3b/cell flash has been developed on a 64-WL-layer BiCS technology. By using a four-block-EOC row decoding approa... [more] | ICD2017-9 pp.45-50 |
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| CQ | 2016-07-27 14:00 |
Osaka | The Osaka Umeda Campus, Kwansei Gakuin Univesity | A study on estimation of number of spare equipments for telecommunication networks.
-- Alternative solution using the binomial distribution -- Hiroyuki Funakoshi, Tatsuya Matsukawa, Takuma Tsubaki (NTT) CQ2016-41 |
The authors have been proposed a method to estimate the number of spare equipments necessary for the next month from th... [more] | CQ2016-41 pp.49-54 |
| IN | 2015-10-15 14:30 |
Osaka | Osaka University | Time series analysis of failure rates of equipments for telecommunication networks. Hiroyuki Funakoshi, Tatsuya Matsukawa, Takuma Tsubaki (NTT) IN2015-53 |
The failure rates of equipments for telecommunication networks are time series. Therefore, time series analysis is requi... [more] | IN2015-53 pp.1-6 |
| LQE, OPE | 2015-06-19 14:50 |
Tokyo | Tunable Light Source Integrated with DFB Laser Array for Future Coherent Systems Tatsuro Kurobe, Toshio Kimura, Hiroyuki Koshi, Toshikazu Mukaihara (Furukawa Electric Co., Ltd.) OPE2015-16 LQE2015-26 |
We describe the challenges and solutions for future narrow linewidth lasers with small footprint. We fabricated DR laser... [more] | OPE2015-16 LQE2015-26 pp.31-34 |
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| PN | 2015-03-18 15:15 |
Okinawa | [Encouragement Talk]
Development of Flexible-grid 1x40 Wavelength Selective Switch Using LCOS Atsushi Oguri, Ryo Kawahara, Masaki Iwama, Koji Horikawa, Masayoshi Kimura, Masami Saito, Hiroyuki Koshi, Nobuyuki Kagi (Furukawa Electric) PN2014-89 |
Wavelength selective switch (WSS) is a key module to configure a reconfigurable optical add/drop multiplexer. High port ... [more] | PN2014-89 pp.69-73 |
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| CQ, IMQ, MVE, IE (Joint) [detail] |
2015-03-03 09:45 |
Tokyo | Seikei Univ. | A study on estimation of number of spare equipments for telecommunication networks Hiroyuki Funakoshi, Tatsuya Matsukawa, Takuma Tsubaki (NTT) CQ2014-113 |
The authors have been proposed the failure rate estimation method considering the change in number of equipments for tel... [more] | CQ2014-113 pp.7-12 |
| IN | 2014-10-16 14:55 |
Osaka | Osaka Univ. | A study on the quantification of impact of outage for telecommunication networks Hiroyuki Funakoshi, Tatsuya Matsukawa (NTT) IN2014-75 |
In order to quantify the impact of outage for telecommunication networks, the product of number of users and service dow... [more] | IN2014-75 pp.7-12 |
| PN | 2014-03-03 14:10 |
Kagawa | Tokushima Bunri University | Development of Flexible-grid 1x30 Wavelength Selective Switch Atsushi Oguri, Ryo Kawahara, Masaki Iwama, Koji Horikawa, Masayoshi Kimura, Masami Saito, Hiroyuki Koshi, Nobuyuki Kagi (Furukawa Electric) PN2013-96 |
Reconfigurable Optical Add/Drop Multiplexer systems, which configure optical paths without optical to electronic to opti... [more] | PN2013-96 pp.35-38 |
| IN, NWS (Joint) |
2014-01-23 11:10 |
Aichi | Nagoya International Center | A study on the permeation of reliability evaluation for telecommunication networks Hiroyuki Funakoshi, Tatsuya Matsukawa (NTT) IN2013-119 |
The authors studied reliability evaluation techniques specialized in telecommunication networks. The basic examinations ... [more] | IN2013-119 pp.9-14 |
| RCS, NS (Joint) |
2013-12-19 09:25 |
Kagawa | Sunport Hall Takamatsu | Extreme value analysis for large scale outages of telecommunication networks Hiroyuki Funakoshi, Tatsuya Matsukawa (NTT) NS2013-136 |
In telecommunication networks, it is difficult to predict the probability of occurrence of large-scale outages because t... [more] | NS2013-136 pp.13-18 |
| ASN, RCS, NS, SR (Joint) |
2013-07-19 17:10 |
Shizuoka | Hamamatsu Act City | An Economic Impact Evaluation of Telecom Service Disruptions Considering the Capital Loss Yasuto Nakanishi, Shuichi Karasawa, Kohjun Koshiji, Hiroyuki Funakoshi, Yasunori Matsubayashi (NTT) NS2013-70 |
We have proposed evaluation methods for the social influence of telecom service disruptions as an economic impact. The ... [more] | NS2013-70 pp.197-202 |
| CQ | 2013-07-11 13:00 |
Hokkaido | Hokkaido University | A failure rate estimation considering the change in the number of equipments
-- Improvement of calculation method -- Hiroyuki Funakoshi, Kohjun Koshiji (NTT) CQ2013-14 |
The authors have been proposed the failure rate estimation method considering the change in the number of equipments for... [more] | CQ2013-14 pp.1-6 |
| NS | 2013-01-25 12:05 |
Kumamoto | Kumamoto University | An Economic Impact Evaluation of Telecom Service Disruptions Yasuto Nakanishi, Shuichi Karasawa, Hiroyuki Funakoshi, Yasunori Matsubayashi (NTT) NS2012-159 |
Recently, Telecom service permeates all levels of our lives and roots deeply as a social infrastructure. Therefore，the ... [more] | NS2012-159 pp.105-110 |
| IN, IA (Joint) |
2012-12-14 16:10 |
Hiroshima | Hiroshima City Univ. | A study on the relationship between repair time distribution and repair pattern for telecommunication networks Hiroyuki Funakoshi, Kohjun Koshiji (NTT) IN2012-137 |
The authors have been declared that repair-time distribution for telecommunication networks approximates to mixing log-n... [more] | IN2012-137 pp.91-96 |
| CQ, ICM, NS (Joint) |
2012-11-15 09:40 |
Shiga | Nagahama Inst. of Bio-Science and Tech. | Reliability Evaluation Considering Communication Scale
-- Estimation of the Evaluation and Application for the Evaluation -- Kohjun Koshiji, Hiroyuki Funakoshi, Shuichi Karasawa, Yasunori Matsubayashi (NTT) CQ2012-59 |
The social demand for securing telecommunications in disasters, such as the Great East Japan Earthquake last year, has b... [more] | CQ2012-59 pp.13-18 |
| PRMU, MVE, CQ, IPSJ-CVIM [detail] | 2012-01-19 11:40 |
Osaka | A study on reliability evaluation technique for IPTV service Yasuto Nakanishi, Kohjun Koshiji, Hiroyuki Funakoshi (NTT), Hitoshi Watanabe (Tokyo Univ of Science) CQ2011-64 |
(To be available after the conference date) [more] | CQ2011-64 pp.49-54 |
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