Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
PN |
2021-11-11 09:35 |
Online |
Online |
Research Trends for Fiscal Year 2020 in Technical Committee on Photonic Network
-- Control, Management, and Application -- Yojiro Mori (Nagoya Univ.), Kenji Ishii (Mitsubishi Electric Corp.), Masahiro Nakagawa (NTT), Motoharu Matsuura (UEC) PN2021-26 |
In this paper, in terms of control, management, and application for photonic networks, we investigate researches that we... [more] |
PN2021-26 pp.1-6 |
PN |
2021-11-11 10:00 |
Online |
Online |
Research Trends for Fiscal Year 2020 in Technical Committee on Photonic Network
-- System, Architecture, and Device -- Kenji Ishii (Mitsubishi Electric Corp.), Yojiro Mori (Nagoya Univ.), Motoharu Matsuura (UEC), Masahiro Nakagawa (NTT) PN2021-27 |
In this paper, in terms of control, management, and application for photonic network, we investigate researches that wer... [more] |
PN2021-27 pp.7-12 |
PN |
2020-11-10 09:30 |
Online |
Online |
Research Trends for Fiscal Year 2019 in Technical Committee on Photonic Network
-- Control, Management, and Application -- Masahiro Nakagawa (NTT), Motoharu Matsuura (UEC), Takahiro Kodama (Kagawa univ.), Kenji Ishii (Mitsubishi Electric Corp.) PN2020-23 |
[more] |
PN2020-23 pp.1-6 |
PN |
2020-11-10 09:55 |
Online |
Online |
Research Trends for Fiscal Year 2019 in Technical Committee on Photonic Network
-- System, Architecture, and Device -- Motoharu Matsuura (UEC), Masahiro Nakagawa (NTT), Kenji Ishii (Mitsubishi Electric Corp.), Takahiro Kodama (Kagawa univ.) PN2020-24 |
[more] |
PN2020-24 pp.7-12 |
PN |
2020-08-24 14:00 |
Online |
Online |
[Invited Talk]
High-speed low-power forward error correction coding technology for communications Yoshiaki Konishi, Hideo Yoshida, Takahiko Nakamura, Kenji Ishii, Takafumi Fujimori (Mitsubishi Electric) PN2020-18 |
To deal with the rapid increase in the Internet and mobile communication traffic, research and development of Beyond 400... [more] |
PN2020-18 pp.31-38 |
PN |
2018-03-05 15:20 |
Kagoshima |
Minami Tanemachi Shoko Kaikan |
[Invited Lecture]
Integration of Energy Scaling FEC into Optical Communication Systems Soichiro Kametani, Kazuo Kubo, Kenji Ishii, Takashi Sugihara (Mitsubishi Electric) PN2017-97 |
A recent metro/core optical transceiver is improving its transmission distance and capacity with digital coherent techno... [more] |
PN2017-97 pp.39-44 |
PN, NS, OCS (Joint) |
2017-06-15 09:25 |
Akita |
Akita Univ. |
A Green Optical Network by Energy Scaling FEC Soichiro Kametani, Kazuo Kubo, Kenji Ishii, Keisuke Dohi, Takashi Sugihara (Mitsubishi Electric Corp.) PN2017-6 |
Energy saving is urgent issue for sustainable deployment of advanced Information and Telecommunications Society. We prop... [more] |
PN2017-6 pp.1-6 |
VLD |
2017-03-03 10:55 |
Okinawa |
Okinawa Seinen Kaikan |
A Study on LSI implementation of FEC for high-speed optical transmission Susumu Hirano, Kazuo Kubo, Hideo Yoshida, Kenji Ishii, Kenya Sugihara, Takashi Sugihara, Koji Miyanohana, Hirohide Nozaki, Noriyuki Minegishi (Mitsubishi Elec.) VLD2016-126 |
FEC(Forward Error Correction) for high-speed optical transmission (Beyond100G) is essential to apply advanced technology... [more] |
VLD2016-126 pp.133-138 |
MI |
2017-01-18 11:46 |
Okinawa |
Tenbusu Naha |
[Short Paper]
Comparison of FDG-PET Image and MR Image in differential dementia diagnosis using machine learning Xiaoyu Wang (Chiba Univ./Tokyo Metropolitan Geriatric Hospital), Muneyuki Sakata, Kenji Ishii (Tokyo Metropolitan Geriatric Hospital), Yuichi Kimura (Tokyo Metropolitan Geriatric Hospital/KINDAI Univ.), Keii Wagatsuma, Kenji Ishibashi, Jun Toyohara (Tokyo Metropolitan Geriatric Hospital), Noriko Yata, Yoshitsugu Manabe (Chiba Univ.) MI2016-78 |
[more] |
MI2016-78 pp.31-32 |
OCS, NS, PN (Joint) |
2016-06-24 12:25 |
Hokkaido |
Hokkaido University |
A Study on Power-scaling of Triple-concatenated FEC for Optical Transport Network
-- Toward Green Transport SDN -- Kazuo Kubo, Kenji Ishii, Souichiro Kametani, Hideo Yoshida, Takashi Sugihara (Mitsubishi Electric Corp.) OCS2016-16 |
100Gbps digital coherent transmission systems have been widely deployed in the commercial networks. We have been develop... [more] |
OCS2016-16 pp.37-42 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2014-11-14 14:20 |
Hiroshima |
|
Experimental Study on Coherent IFDMA-PON Uplink using Real-time IFDMA Transmitter with Asynchronous Light Source Kenji Ishii (Mitsubishi Electric), Yuki Yoshida (Osaka Univ.), Kiyoshi Onohara, Masaki Noda, Masamichi Nogami (Mitsubishi Electric), Akihiro Maruta, Ken-ichi Kitayama (Osaka Univ.) OCS2014-90 |
Carrier frequency synchronization between ONUs is one of the main issues for applying OFDMA to PON system. In this paper... [more] |
OCS2014-90 pp.83-88 |
OPE, OCS |
2014-05-16 14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Report on OFC2014: Optical Access Kenji Ishii (Mitsubishi Electric) OCS2014-7 OPE2014-7 |
This paper reviews the latest key technologies on optical access systems reported in OFC 2014 which was held in San Fran... [more] |
OCS2014-7 OPE2014-7 pp.33-36 |
MI |
2014-01-26 13:30 |
Okinawa |
Bunka Tenbusu Kan |
Employment of MRI anatomical normalization in statistical comparison of brain FDG-PET
-- Improvement of the whole brain extraction process and performance evaluation -- Akihiro Ejiri (Chiba Univ./TMIG), Muneyuki Sakata, Kenji Ishii (TMIG), Yuichi Kimura (Kinki Univ. /TMIG), Keiichi Oda, Jun Toyohara (TMIG), Noriko Yata (Chiba Univ.), Kiichi Ishiwata (TMIG), Yoshitsugu Manabe (Chiba Univ.) MI2013-79 |
[more] |
MI2013-79 pp.127-132 |
MI |
2014-01-27 13:30 |
Okinawa |
Bunka Tenbusu Kan |
Improvement of precision in FreeSurfer analysis for human brain MRI volumetry by optimum threshold setting Mika Tanaka (TMIG/MICRON), Kenji Ishii, Muneyuki Sakata, Kiichi Ishiwata (TMIG) MI2013-114 |
FreeSurfer is noticed as a tool for detailed analysis of the brain forms images. However, analysis results are affected ... [more] |
MI2013-114 pp.309-313 |
CS, OCS (Joint) |
2014-01-23 14:35 |
Tokyo |
Hajijo-jima Ohgagou Kouminkan |
Prototype of Uplink Transceiver for IFDMA-PON System by FPGA Emulation Kiyoshi Onohara, Kenji Ishii, Yuji Akiyama, Masaki Noda, Masamichi Nogami, Takashi Sugihara (Mitsubishi Electric), Yuki Yoshida, Akihiro Maruta (Osaka Univ.), Takashi Mizuochi (Mitsubishi Electric), Ken-ichi Kitayama (Osaka Univ.) OCS2013-100 |
We demonstrate a power-efficient coherent interleaved frequency domain multiple access passive optical network (IFDMA-PO... [more] |
OCS2013-100 pp.47-52 |
OFT, OCS (Joint) |
2013-08-23 14:25 |
Hokkaido |
|
A Circuit Implementation of Power-saved ONU Modulation Processing for IFDMA-PON System using a Polar Coordinate Transformation Kenji Ishii, Kiyoshi Onohara, Yuji Akiyama, Masaki Noda, Kazuumi Koguchi, Masamichi Nogami (Mitsubishi Electric), Yuki Yoshida, Akihiro Maruta (Osaka Univ.), Takashi Mizuochi (Mitsubishi Electric), Ken-ichi Kitayama (Osaka Univ.) OCS2013-44 |
In the PON system using the OFDMA technique, there is a problem that the power consumption of the IFFT circuit for gener... [more] |
OCS2013-44 pp.43-48 |
MI |
2013-01-24 11:05 |
Okinawa |
Bunka Tenbusu Kan |
Performance improvements using MRI anatomical normalization in statistical comparison of brain FDG-PET for dementia diagnosis Ryosuke Mizuno (Chiba Univ./TMIG), Muneyuki Sakata, Kenji Ishii, Keiichi Oda, Jun Toyohara, Kiichi Ishiwata (TMIG), Yuichi Kimura (NIRS/Chiba Univ.) MI2012-66 |
Statistical comparisons to detect significant decreases of glucose metabolism in brain images of positron emission tomog... [more] |
MI2012-66 pp.25-29 |
NS |
2012-10-11 15:25 |
Kyoto |
Kyoto Univ. |
Data Sharing among Hadoop Clusters by Hadoop on Demand Manhee Jo, Satoshi Tanaka, Kenji Ishii (NTT DoCoMo) NS2012-93 |
One of the most tough problems in maintaining large scale Hadoop testing clusters is data copying overhead among the clu... [more] |
NS2012-93 pp.73-78 |
NS |
2012-05-17 16:40 |
Tokyo |
National Institute of Informatics |
A Study of construction and maintenance of a large Hadoop cluster Ken Koumoto, So Ishida, Jo Manhee, Ryouhei Suzuki, Kenji Ishii (NTT DOCOMO), Masaru Dobashi (NTT DATA), Ken Endou (NTT SOFT), Satoshi Tanaka (NTT DOCOMO) NS2012-23 |
[more] |
NS2012-23 pp.35-40 |
ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 09:00 |
Osaka |
SEI Ikoma Seminar House |
10.3G/1.25G dual-rate OLT optical transceiver for 10G-EPON systems Satoshi Yoshima, Kenji Ishii, Satoshi Shirai, Masaki Noda, Naoki Suzuki, Masamichi Nogami, Junichi Nakagawa (Mitsubishi Electric Co.) OCS2010-93 |
[more] |
OCS2010-93 pp.23-28 |