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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 30  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-13
Online Online Commercialization of Coded PSP-BOTDR capable of centimeter spatial resolution in single end style
Kinzo Kishida, Kenichi Nishiguchi, Artur Guzik, Li Ttken (Neubrex), Tsuneo Horiguchi (SIT), Yahei Koyamada (Ibaraki Univ.) OFT2020-42
(Advance abstract in Japanese is available) [more] OFT2020-42
RCS 2020-04-23
Online Online A Study on Placement Design Method for High-Speed Train Communications with mmWave
Shunsuke Fujio, Kenichi Nishikawa, Kazuyuki Ozaki (Fujitsu) RCS2020-3
In order to accommodate huge traffic on a train, millimeter-wave communication systems using a mobile relay has attracte... [more] RCS2020-3
Fukuoka Fukuoka University [Invited Lecture] 4 beam multiplexing 10Gbps millimeter-wave communication with inter-subarray coding interleave beamforming
Yoji Ohashi, Masahiko Shimizu, Toshihiro Shimura, Kazuyuki Ozaki, Shunsuke Fujio, Chikara Kojima, Shohei Ishikawa, Hikaru Ishikawa, Takenori Ohshima, Hiroshi Ashida, Kenichi Nishikawa (Fujitsu Labs) AP2017-121 RCS2017-229
Inter-subarray coding interleave beamforming has the performance same as full-digital beamforming and lower power consum... [more] AP2017-121 RCS2017-229
pp.71-76(AP), pp.141-146(RCS)
ICM 2017-03-10
Okinawa Miyakojima Marine Terminal Bldg. [Encouragement Talk] Application of a user interface augmentation method to Web-based OSS
Kenichi Nishikawa, Takeshi Masuda, Hiroyuki Adachi, Akira Inoue (NTT) ICM2016-67
We have been studying a method for attaching additional functionalities onto Web-based Operation Support System (OSS) wi... [more] ICM2016-67
Tokyo Tokyo Institute of Technology [Invited Lecture] Millimeter-wave beam multiplexing experiments of the interleaved beamforming with inter-subarray coding by phase drift compensation circuits between multiple oscillators
Takenori Ohshima, Atsushi Honda, Toshihiro Shimura, Shouhei Ishikawa, Hiroshi Ashida, Kazuyuki Ozaki, Shunsuke Fujio, Kenichi Nishikawa, Chikara Kojima, Zhengyi Li, Masahiko Shimizu, Yoji Ohashi (Fujitsu Labs) SRW2016-102
We achieve a millimeter-wave beam multiplexing system with inter-subarray coding, which has low power consumption and is... [more] SRW2016-102
IT, SIP, RCS 2017-01-19
Osaka Osaka City Univ. Fast Beam Search Method using Multi-beam for Millimeter-wave Beam Multiplexing
Kenichi Nishikawa, Kazuyuki Ozaki, Shimizu Masahiko, Makoto Yoshida (Fujitsu Labs.) IT2016-46 SIP2016-84 RCS2016-236
Fast beam search method using multi beams that doesn't depend on the number of target is proposed for millimeter-wave be... [more] IT2016-46 SIP2016-84 RCS2016-236
ICM 2016-07-08
Hokkaido   A Study of Applying Distributed Processing to Annotation Technology
Kimio Tsuchikawa, Takeshi Masuda, Kenichi Nishikawa, Hiroyuki Adachi, Akira Inoue, Tsutomu Maruyama (NTT) ICM2016-18
 [more] ICM2016-18
ICM 2016-07-08
Hokkaido   A Method for Attaching Additional Functionalities onto Web-based OSS User Interfaces
Kenichi Nishikawa, Takeshi Masuda, Hiroyuki Adachi, Kimio Tsuchikawa, Akira Inoue, Tsutomu Maruyama (NTT) ICM2016-19
We introduce a method for attaching additional functionalities onto Web-based Operation Support System (OSS) user interf... [more] ICM2016-19
LQE 2015-12-18
Tokyo   [Invited Talk] Realization and Applications of Mass-Productive Quantum Dot Lasers
Kenichi Nishi (Univ.Tokyo), Keizo Takemasa, Mitsuru Sugawara (QDLaser), Yasuhiko Arakawa (Univ.Tokyo) LQE2015-130
The improvements in self-assembled InAs quantum dots (QDs) have been intensively promoted in order to achieve QD lasers ... [more] LQE2015-130
EE 2012-10-12
Tokyo   Characteristic of Switching Power Supply using New Low Standby PWM-IC
Kenichi Nishijima, Jun Yabuzaki, Hiroki Yamane, Takato Sugawara, Yoshinori Kobayashi, Toshimitsu Morimoto, Hironobu Shiroyama, Masatoshi Sugimoto, Makoto Owa (FE) EE2012-18
This paper describes the characteristics of switching power supply using new low standby PWM-IC. The new PWM-IC has a fu... [more] EE2012-18
ICM 2012-03-16
Okinawa Dan-jo Kyoudou Sankaku Center Sequential Pattern Mining from Operation Screen Logs
Kenichi Nishikawa, Takeshi Masuda (NTT), Lu Jin (Fudan Univ.), Ikuya Takahashi (NTT) ICM2011-75
It is effective for continuous business performance improvement to collect operation logs at appropriate granularity and... [more] ICM2011-75
LQE 2011-12-16
Tokyo Kikai-Shinko-Kaikan Bldg. High-Temperature (220℃) CW Operation of 1300-nm-range Quantum Dot Laser
Takeo Kageyama (QD Laser), Kenichi Nishi (QD Laser/Univ. of Tokyo), Masaomi Yamaguchi (Fujitsu Lab.), Reio Mochida (QD Laser/Univ. of Tokyo), Yasunari Maeda, Keizo Takemasa (QD Laser), Yu Tanaka (Fujitsu Lab.), Tsuyoshi Yamamoto (QD Laser/Fujitsu Lab./Univ. of Tokyo), Mitsuru Sugawara (QD Laser/Univ. of Tokyo), Yasuhiko Arakawa (Univ. of Tokyo) LQE2011-126
High temperature lasing operation of semiconductor lasers is important to realize sensing and data transmission at harsh... [more] LQE2011-126
CPM, OPE, LQE, EMD 2011-08-26
Hokkaido Hokkaido Univ. Research and Development of 1.27-μm High-Density Quantum-Dot DFB Lasers
Kan Takada (The Univ. of Tokyo), Yu Tanaka (Fujitsu Lab./QDL), Takeshi Matsumoto (Fujitsu Lab.), Hayato Kondo, Reio Mochida, Yasunari Maeda, Masaomi Yamaguchi, Takeo Kageyama, Keizo Takemasa, Kenichi Nishi (QDL), Yoshiaki Nakata, Tsuyoshi Yamamoto (Fujitsu Lab./QDL), Mitsuru Sugawara (QDL), Yasuhiko Arakawa (The Univ. of Tokyo) EMD2011-53 CPM2011-97 OPE2011-88 LQE2011-51
1.27-μm high-density quantum-dot (QD) DFB lasers for access network applications such as 10G-EPON are presented. Fabrica... [more] EMD2011-53 CPM2011-97 OPE2011-88 LQE2011-51
ICM 2011-03-11
Okinawa Miyakojima Marine Terminal A Study for Improving State Recognition Accuracy Using Screen Images
Kenichi Nishikawa, Takeshi Masuda, Yousuke Ohno, Yukio Akiyama (NTT) ICM2010-65
Advanced operation support using Operation Support Systems (OSSs) requires appropriate state recognition. State recognit... [more] ICM2010-65
EMD, OPE, LQE, CPM 2010-08-27
Hokkaido Chitose Arcadia Plaza Improved performances of 1.3-um InAs/GaAs high-density quantum dot lasers
Yu Tanaka (Fujitsu labs./Fujitsu/QD laser/PETRA), Kan Takada, Mitsuru Ishida (NanoQuine, Tokyo univ.), Takeshi Matsumoto, Hai-Zhi Song, Mitsuru Ekawa (Fujitsu Labs), Yoshiaki Nakata (Fujitsu Labs/QD laser), Tsuyoshi Yamamoto (Fujitsu labs/Fujitsu/PETRA), Masaomi Yamaguchi, Kenichi Nishi, Mitsuru Sugawara (QD laser), Yasuhiko Arakawa (IIS, Tokyo univ.) EMD2010-60 CPM2010-76 OPE2010-85 LQE2010-58
 [more] EMD2010-60 CPM2010-76 OPE2010-85 LQE2010-58
ICM 2010-03-12
Kagoshima   A Flexible State Recognition Method toward Advanced Operation Support
Kenichi Nishikawa, Takeshi Masuda, Tetsuya Yamamura (NTT Corp.) ICM2009-66
Comprehending a current state of Operation Support System (OSS) is an important point to realize sophisticated business ... [more] ICM2009-66
LQE, OPE 2009-06-19
Tokyo Kikai-Shinko-Kaikan Bldg. 1.3 um InAs/GaAs quantum dot lasers -- Toward single mode lasing and high speed modulatoin --
Yu Tanaka (Fujitsu Labs/Fujitsu Ltd/QDL/OITDA), Kan Takada, Mitsuru Ishida (Univ. of Tokyo.), Yasunari Maeda (QD laser inc.), Takeshi Matsumoto, Mitsuru Ekawa, Hai-Zhi Song (Futjitsu Labs.), Masaomi Yamaguchi (QD laser inc.), Yoshiaki Nakata (Fujitsu Labs/QDL.), Kenichi Nishi (QD laser inc.), Tsuyoshi Yamamoto (Fujitsu Labs/Fujitsu Ltd/OITDA), Mitsuru Sugawara (Fujitsu Labs/Fujitsu Ltd/QDL/OITDA), Yasuhiko Arakawa (Univ. of Tokyo.) OPE2009-29 LQE2009-32
 [more] OPE2009-29 LQE2009-32
ICM 2009-03-13
Kagoshima   A Study of Scenario Editing Method for Client Autonomous Manipulation Agent
Kenichi Nishikawa, Fumihiro Yokose, Haruhisa Nozue, Nagatoshi Nawa, Takeshi Masuda, Tetsuya Yamamura (NTT Corp.) ICM2008-84
We have been studying a system which automates routine work to improve efficiency of doing tasks with OSS. If users cou... [more] ICM2008-84
ICM 2009-03-13
Kagoshima   A Prototype of the Client Autonomous Manipulation Agent
Haruhisa Nozue, Fumihiro Yokose, Kenichi Nishikawa, Nagatoshi Nawa, Takeshi Masuda, Tetsuya Yamamura (NTT Corp.) ICM2008-85
We are studying on coordination between operation support systems (OSSs) and developing the Client Autonomous Manipulati... [more] ICM2008-85
Yamaguchi Kaikyo Messe Shimonoseki An Approach for Increasing Efficiency of Work Operation with Client-Side Coordination Technology
Takeshi Masuda, Fumihiro Yokose, Kenichi Nishikawa, Haruhisa Nozue, Nagatoshi Nawa, Tetsuya Yamamura (NTT) ICM2008-56
Although SOA technologies are important in NGN and eTOM, these ongoing coordination technologies areinsufficient from a ... [more] ICM2008-56
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