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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 22  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2023-03-02
09:00
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
A Study on improvement of handover in Relay systems with UAV
Kenichi Nishikawa, Shunsuke Fujio, Kazuyuki Ozaki (Fujitsu) RCS2022-269
High frequency such as millimeter waves and terahertz waves that can use broadband are used to do high data rate wireles... [more] RCS2022-269
pp.130-135
RCS, NS
(Joint)
2022-12-15
13:45
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Study on High-Capacity UL communication in Relay systems with UAV
Kazuyuki Ozaki, Shunsuke Fujio, Kazuo Shirakawa, Kenichi Nishikawa (Fujitsu) NS2022-134 RCS2022-191
In a mobile radio communication system using high frequency bands such as millimeter wave band and quasi-terahertz band ... [more] NS2022-134 RCS2022-191
pp.34-39(NS), pp.37-42(RCS)
RCS 2021-04-23
12:30
Online Online [Invited Lecture] A Study on Placement Design Method for mmWave Linear Cell Systems
Shunsuke Fujio, Kenichi Nisihkawa, Kazuyuki Ozaki (Fujitsu) RCS2021-13
The authors consider millimeter-wave linear cell systems are promising to accommodate huge communication traffic on a hi... [more] RCS2021-13
pp.60-65
RCS 2020-04-23
11:10
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
pp.13-18
AP, RCS
(Joint)
2017-11-09
11:15
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
16:40
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
pp.81-85
RCS, SR, SRW
(Joint)
2017-03-03
15:35
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
pp.189-194
IT, SIP, RCS 2017-01-19
10:00
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
pp.1-5
IT, SIP, RCS 2017-01-19
10:25
Osaka Osaka City Univ. Study and experimental evaluation on 2-step beam search method in Millimeter-wave communications
Chikara Kojima, Shunsuke Fujio, Ken-ichi Nishikawa, Kazuyuki Ozaki, Zhengyi Li, Atsushi Honda, Shohei Ishikawa, Takenori Ohshima, Hiroshi Ashida, Toshihiro Shimura, Masahiko Shimizu, Yoji Ohashi (FUJITSU LABORATORIES LTD.) IT2016-47 SIP2016-85 RCS2016-237
In this paper, we study a two-step beam search method for a beamforming in Millimeter-wave and evaluate this method on e... [more] IT2016-47 SIP2016-85 RCS2016-237
pp.7-11
ICM 2016-07-08
09:15
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
pp.57-62
ICM 2016-07-08
09:35
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
pp.63-68
ICM 2012-03-16
18:00
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
pp.161-165
ICM 2011-03-11
13:45
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
pp.63-68
ICM 2010-03-12
10:10
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
pp.123-128
ICM 2009-03-13
15:20
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
pp.149-154
ICM 2009-03-13
15:40
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
pp.155-160
ICM, LOIS
(Joint)
2009-01-23
11:20
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
pp.35-40
ICM, LOIS
(Joint)
2009-01-23
11:45
Yamaguchi Kaikyo Messe Shimonoseki A Flexible Configuration Method for the Client Autonomous Manipulation Agent
Fumihiro Yokose, Kenichi Nishikawa, Haruhisa Nozue, Nagatoshi Nawa, Takeshi Masuda, Tetsuya Yamamura (NTT) ICM2008-57
We are developing the Client Autonomous Manipulation Agent (CAMA) aimed at coordination between arbitrary systems. CAMA ... [more] ICM2008-57
pp.41-46
OPE, EMT, MW 2008-07-24
09:00
Hokkaido   A proposal of spatially selective delivery method for wireless services using a Leaky coaXial Cable
Atsushi Ono, Kenichi Nishikawa, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki (Osaka Univ.) MW2008-47 OPE2008-30
For the sake of using the frequency effectively, the Area Portal services to supply one’s own contents in specific area ... [more] MW2008-47 OPE2008-30
pp.1-6
EMT, OPE, MW 2007-08-02
14:30
Hokkaido Muroran Institute of Technology Error Evaluation of Position Detection System using Leaky Coaxial Cable
Ken-ichi Nishikawa, Takeshi Higashino, Katsutoshi Tsukamoto, Shozo Komaki (Osaka Univ.) MW2007-59 OPE2007-46
Position detection services of wireless terminal tend to be important in ubiquitous wireless communication systems. LCX ... [more] MW2007-59 OPE2007-46
pp.97-102
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