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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CAS, CS | 2023-03-02 11:45 |
Fukuoka | Kitakyushu International Conference Center (Primary: On-site, Secondary: Online) |
Study on firmware update in operation, management and maintenance functions for remote operated optical fiber switching node Saki Nozoe, Hiroshi Watanabe, Tomohiro Kawano, Ryo Koyama, Akihiro Kuroda, Kuniaki Terakawa, Ikutaro Ogushi, Kazunori Katayama (NTT)  CAS2022-116 CS2022-93 |
Concatenated loop topology has been proposed for future optical-fiber access service such as 5G or beyond 5G networks. T... [more] | CAS2022-116 CS2022-93 pp.119-122 |
| OFT | 2022-01-20 16:10 |
Online | Online | Remote Operated Optical Fiber Switching Node and Optical Cross-Connect Function on Concatenated Loop Topology Hiroshi Watanabe, Tomohiro Kawano, Chisato Fukai, Ryo Koyama, Kazuhide Nakae, (NTT), Tatsuya Fujimoto (NTT East), Yoshiteru Abe, Kazunori Katayama (NTT) OFT2021-62 |
Due the popularization of future 5G and Beyond 5G, the concatenated loop topology is being studied as way of realizing h... [more] | OFT2021-62 pp.36-41 |
| OPE, OCS, OFT (Joint) [detail] |
2021-02-19 11:40 |
Online | Online | Proposal of Remote Operated Optical Fiber Switching Node for Future Optical Access Network Tatsuya Fujimoto, Kawano Tomohiro, Kazuhide Nakae, Hiroshi Watanabe, Kazunori Katayama (NTT) OFT2020-67 OPE2020-88 |
We are studying concatenated loop topology as optical access network for beyond 5G with excellent reliability, tolerance... [more] | OFT2020-67 OPE2020-88 pp.54-57(OFT), pp.59-62(OPE) |
| OCS, OFT, LSJ (Joint) [detail] |
2016-08-26 12:15 |
Hokkaido | Chitose-alcadia plaza | Study of Branching Ratio of Optical Coupler for Cable Re-routing Operation Support System with No Service Interruption Hiroshi Watanabe, Kazutaka Noto, Yusuke Koshikiya, Tetsuya Manabe (NTT) OFT2016-14 |
The optical access network is becoming increasingly important as a social infrastructure because it is used for several ... [more] | OFT2016-14 pp.15-20 |
| OFT, PEM (Joint) |
2015-05-21 13:10 |
Ishikawa | [Special Talk]
Topics of Acecss Network : Basic Course in OFT (Optical Fiber Technology) Masaaki Takaya, Hiroshi Watanabe, Yuichi Akage (NTT EAST) OFT2015-1 |
Components used in the communication networks such as cable, closure, telephone pole, and steel tower are main technique... [more] | OFT2015-1 pp.1-6 |
|
| OFT | 2015-01-23 09:20 |
Miyazaki | A study on optical performance deterioration of optical fiber connection with gap Hiroshi Watanabe, Atsushi Abe, Michio Ozaki, Masaaki Takaya (NTT EAST) OFT2014-51 |
We experimentally investigated the performance of optical fiber connections with a gap. The maximum insertion loss of op... [more] | OFT2014-51 pp.33-38 |
|
| OCS, OFT (Joint) |
2012-08-31 13:35 |
Hokkaido | A proposal of new optical fiber connection method using solid refractive index matching material Masanori Tanaka, Hiroshi Watanabe (NTT EAST), Mitsuru Kihara (NTT), Masaaki Takaya (NTT EAST) OFT2012-26 |
We propose and demonstrate an optical fiber connection method that uses a solid resin as refractive index matching mater... [more] | OFT2012-26 pp.39-44 |
|
| OFT, OCS (Joint) |
2011-08-25 13:15 |
Hokkaido | Novel inspection technique for cleaved optical fiber ends based on Fabry-Perot interferometer Hiroshi Watanabe, Mitsuru Kihara, Masanori Tanaka, Masanobu Toyonaga (NTTEAST) OFT2011-16 |
We propose an inspection technique for cleaved optical fiber ends based on the Fabry-Perot interferometer. An inspected ... [more] | OFT2011-16 pp.1-6 |
|
| OFT | 2010-01-21 11:10 |
Okinawa | Fault section presumption systems for PON with OSS relational transactions to reduce maintenance operation efficiently Hiroshi Watanabe, Yoshitaka Enomoto, Yuji Azuma (NTT) OFT2009-64 |
We showed fault section presumption systems for PON with OSS relational transactions to reduce maintenance operation eff... [more] | OFT2009-64 pp.9-14 |
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| OFT | 2009-01-22 15:50 |
Kochi | Outside optical distribution plant operation support system technologies Yoshitaka Enomoto, Tsunekazu Watanabe, Hiroshi Watanabe (NTT) OFT2008-76 |
This paper proposes a newly developed outside optical distribution plant operation support system that uses ID tags and ... [more] | OFT2008-76 pp.25-30 |
|
| OFT | 2009-01-22 16:40 |
Kochi | Selection Methods of Passive Optical Components for PONs to Minimize CAPEX and OPEX according to Failure Rate Hiroshi Watanabe, Noriyuki Araki, Yuji Azuma (NTT) OFT2008-78 |
We proposed selection method of optical components for minimizing the sum of CAPEX and OPEX of optical fiber networks. W... [more] | OFT2008-78 pp.35-38 |
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| OFT | 2008-01-25 10:20 |
Hiroshima | New optical splitter module with high reliability for PON in outside environment Hiroshi Watanabe, Noriyuki Araki, Yuji Azuma (NTT) OFT2007-58 |
This paper describes new optical splitter modules designed and developed for PON (Passive Optical network). To reduce th... [more] | OFT2007-58 pp.45-50 |
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