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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NS | 2024-04-12 11:50 |
Okayama | Okayama Prefectural Library + Online (Primary: On-site, Secondary: Online) |
Evaluation of Anomaly Localization Method Using Receiver-Side Quality Data in Optical Transmission Systems Kohei Watanabe, Hiroshi Yamamoto, Hiroki Date, Daisaku Shimazaki (NTT), Yutaka Fukuchi, Hideki Maeda (TUS)  NS2024-12 |
Optical transport networks require high reliability and availability since they are important infrastructure for carryin... [more] | NS2024-12 pp.53-57 |
| NS, IN (Joint) |
2024-03-01 16:05 |
Okinawa | Okinawa Convention Center | Soft-failure identification and localization based on received optical signal quality and performance metrics Hiroshi Yamamoto, Kohei Watanabe, Hiroki Date, Daisaku Shimazaki (NTT), Yutaka Fukuchi, Hideki Maeda (Tokyo University of Science) NS2023-241 |
[more] | NS2023-241 pp.407-410 |
| NS, RCS (Joint) |
2023-12-15 17:10 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
A Study of Q-drop Identification by Analyzing Receiver-Side Quality Data for Optical Transmission Systems Kohei Watanabe, Hiroshi Yamamoto, Hiroki Date, Daisaku Shimazaki (NTT), Yutaka Fukuchi, Hideki Maeda (TUS) NS2023-153 |
High reliability is required for optical transmission systems, which are widely deployed as the network infrastructure f... [more] | NS2023-153 pp.157-162 |
| PN | 2019-08-26 13:10 |
Hokkaido | Kanpo-No-Yado Otaru | [Invited Talk]
Research and Development of Beyond 400 Gbit/s Optical Trasnsmission Systems Hideki Maeda (NTT NS Lab.) PN2019-15 |
NTT was the first in the world to develop new technologies, promoted research and development of economical and reliable... [more] | PN2019-15 pp.31-36 |
| IN, NS (Joint) |
2019-03-05 09:00 |
Okinawa | Okinawa Convention Center | Highly available metro transport network using multiple direction OXC Hiroshi Yamamoto, Toshiyuki Oka (NTT), Yoshihiko Uematsu (NTT-AT), Hideki Maeda (NTT) NS2018-237 |
In optical transport networks, CAPEX (capital expenditure) and OPEX (operational expense) have to be reduced while keepi... [more] | NS2018-237 pp.261-265 |
| RCS, NS (Joint) |
2018-12-21 09:50 |
Hiroshima | Onomichi City Hall | Maintenance system design for stand-by type traveling maintenance Kouji Hirata (Kansai Univ.), Hiroshi Yamamoto, Shohei Kamamura, Yoshihiko Uematsu, Toshiyuki Oka, Hideki Maeda (NTT), Miki Yamamoto (Kansai Univ.) NS2018-170 |
[more] | NS2018-170 pp.65-70 |
| NS, OCS, PN (Joint) |
2018-06-14 15:00 |
Fukushima | Koriyama-Shoko-Kaigisho | [Invited Talk]
Usage of Open and Disaggregation Trends for Nationwide Optical Transport Network Yoshihiko Uematsu (NTT-AT), Osamu Okino, Rie Hayashi, Toshiyuki Oka, Mitsuho Tahara, Hideki Maeda (NTT) NS2018-29 OCS2018-12 PN2018-12 |
(Advance abstract in Japanese is available) [more] | NS2018-29 OCS2018-12 PN2018-12 pp.5-12(NS), pp.5-12(OCS), pp.41-48(PN) |
| PN | 2018-03-06 08:30 |
Kagoshima | Minami Tanemachi Shoko Kaikan | Usage of Open and Disaggregation Trends for Nationwide Optical Transport Network Yoshihiko Uematsu, Osamu Okino, Rie Hayashi, Toshiyuki Oka, Shoji Kimura, Hideki Maeda (NTT) PN2017-101 |
An optical transport network is composed of nationwide distributed transport systems deployed in thousands of office-bui... [more] | PN2017-101 pp.67-74 |
| PN, NS, OCS (Joint) |
2017-06-15 14:15 |
Akita | Akita Univ. | A study of improvement of reliability in beyond 100G optical transport network Masahiro Yokota, Kei Kitamura, Hiroshi Yamamoto, Shohei Kamamura, Shunnichi Tsuboi, Yoshihiko Uematsu, Hideki Maeda (NTT) NS2017-23 |
100G optical transport network is now consisted of single-carrier optical transponders. In order to increase the capacit... [more] | NS2017-23 pp.7-10 |
| NS | 2017-05-18 13:50 |
Tokyo | Kikai Shinko Kaikan | [Invited Lecture]
Fiscal 2016 Report of Research Trends in Technical Committee on Network Systems Kazuya Tsukamoto (KIT), Shohei Kamamura, Hideki Maeda (NTT) NS2017-16 |
[more] | NS2017-16 pp.11-16 |
| NS | 2017-04-20 15:50 |
Toyama | Toyama Shoko Kaigisyo | Optimization of facility design for implementing traveling maintenance Kouji Hirata (Kansai Univ.), Hiroshi Yamamoto, Shohei Kamamura, Yoshihiko Uematsu, Hideki Maeda (NTT), Miki Yamamoto (Kansai Univ.) NS2017-6 |
[more] | NS2017-6 pp.31-36 |
| NS | 2016-05-20 10:20 |
Kanagawa | Yokohama-shi kyouikukaikan | [Invited Lecture]
Fiscal 2015 Report of Research Trends in Technical Committee on Network Systems Takuji Tachibana (Univ. of Fukui), Shohei Kamamura, Hideki Maeda (NTT) NS2016-24 |
[more] | NS2016-24 pp.59-64 |
| OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2015-11-13 15:20 |
Ehime | Matsuyama Civic Center | Hitless Spectrum Defragmentation and Optical Path Switching using Maximum Ratio Combining in Optical Diversity Transmission Kohei Saito, Masahiro Yokota, Takashi Kotanigawa, Hideki Maeda, Fukutaro Hamaoka, Shuto Yamamoto (NTT), Suzuki Masahiro, Seki Takeshi (NTT Com) OCS2015-87 |
Economical infrastructure is required for prospective optical transport networks. To achieve such networks, it is import... [more] | OCS2015-87 pp.65-70 |
| NS, OCS, PN (Joint) |
2015-06-19 11:10 |
Fukui | Fukui-shi-chiiki-kouryu | Sub-carrier protection scheme in beyond 100G multi-carrier optical transmission Kei Kitamura, Masahiro Yokota, Takashi Kotanigawa, Hideki Maeda (NTT) NS2015-35 |
Optical transmission equipment used in core network will be expected to transport 400Gbps/1Tbps client traffic. Beyond 1... [more] | NS2015-35 pp.31-34 |
| OCS, OFT (Joint) |
2010-08-26 13:40 |
Hokkaido | Asahikawa Tokiwa Shimin Hall | Field PMD Measurements of a 900-km Repeatered Submarine System Designed for 43 G WDM Transmission Toshiya Matsuda, Akihiko Matsuura, Takeshi Seki, Hiroto Takechi, Hideki Maeda, Akira Naka, Kazuhiro Oda (NTT) OCS2010-39 |
(Advance abstract in Japanese is available) [more] | OCS2010-39 pp.23-26 |
| OCS, NS (Joint) |
2008-01-25 10:55 |
Oita | OITA University | WDM Transmission Using Remotely Pumped EDF Akihiko Matsuura, Hideki Maeda, Akira Naka, Shinji Matsuoka (NTT) OCS2007-96 |
We confirmed transmission penalties in remotely pumped transmission systems, by 40 x 10G RZ-DPSK WDM, 250 km x 4 spans, ... [more] | OCS2007-96 pp.57-61 |
| PN, CS, OCS (Joint) |
2005-05-24 14:35 |
Okinawa | Hotel Moonbeach (Okinawa) | Developement of commercial Remotely-pumped EDFA system deployed between Okinawa and Miyako Akira Naka, Hideki Maeda, Genichiro Funatsu, Shinji Matsuoka, Tomoyoshi Kataoka (NTT) |
[more] | OCS2005-25 pp.79-82 |
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