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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, MICT 2019-05-29
15:30
Tokyo TOKYO BIG SIGHT [Poster Presentation] Development of Real-time Body Motion Identification System using Radio Channel Characteristics in Wireless BAN
Yuki Ichikawa, Masahiro Mitta, Minseok Kim (Niigata Univ.) RCC2019-7 MICT2019-7
In this article, a real-time motion identification system is presented which has been developed based on the knowledge o... [more] RCC2019-7 MICT2019-7
pp.29-33
RCC, MICT 2018-05-24
13:00
Tokyo Tokyo Big Sight [Poster Presentation] Investigation of Feature Reduction for Body Motion Identification using Radio Channel Characteristics in Wireless BAN
Yuki Ichikawa, Minseok Kim (Niigata Univ.) RCC2018-4 MICT2018-4
In this article, the reduction of the features used for human motion classification using decision tree machine learning... [more] RCC2018-4 MICT2018-4
pp.17-20
ASN, MoNA, MICT
(Joint)
2017-01-20
14:15
Oita   An Investigation of Body Motion Identification Method using Radio Channel Characteristics for BAN Context-Aware Communications
Yuki Ichikawa, Minseok Kim (Niigata Univ.) MICT2016-74
In this article, human motion classification to realize context-aware BAN has been empirically investigated. We develope... [more] MICT2016-74
pp.53-56
PRMU, IBISML, IPSJ-CVIM [detail] 2015-09-14
17:30
Ehime   [Short Paper] Estimation of Slab Deformation based on Machine Learning for Inspection Data of Highway Bridge
Yuki Wakuda (Univ. of Tokyo), Nobutaka Kimura, Katsuhisa Kobayashi, Nobuyuki Ichikawa (East NEXCO), Tsuyoshi Hirose (NEXCO RI), Keita Osanai (Univ. of Tokyo), Toshihiro Matsuzaka (East NEXCO), Yusho Ishikawa (Univ. of Tokyo) PRMU2015-80 IBISML2015-40
(To be available after the conference date) [more] PRMU2015-80 IBISML2015-40
pp.81-82
MW, ED 2015-01-16
11:05
Tokyo Kikai-Shinko-Kaikan Bldg. Improvement of RF performance of GaN-HEMT on silicon substrate
Isao Makabe, Hiroyuki Ichikawa, Keiichi Yui, Tsuyoshi Kouchi, Kazutaka Inoue, Ken Nakata (SEI) ED2014-128 MW2014-192
 [more] ED2014-128 MW2014-192
pp.65-70
OCS, CS
(Joint)
2013-01-24
14:20
Ehime Ehime Univ. Experimental Demonstration of Triple-Concatenated Forward Error Correction for 40Gbps Coherent Optical Communication Systems
Kiyoshi Onohara, Yoshikuni Miyata, Kenya Sugihara, Susumu Hirano, Kazuo Kubo, Toshiyuki Ichikawa, Kazuumi Koguchi, Wataru Matsumoto, Hideo Yoshida, Takashi Mizuochi (Mitsubishi Electric Corporation) OCS2012-87
High-speed and real-time digital signal processing technology enabled practical coherent optical communication systems b... [more] OCS2012-87
pp.13-18
LQE, CPM, EMD, OPE, R 2012-08-23
14:15
Miyagi Tohoku Univ. Improvement in reliability of AlGaInAs edge-emitting laser diodes
Hiroyuki Ichikawa, Yasuo Yamasaki, Nobuyuki Ikoma (SEI) R2012-27 EMD2012-33 CPM2012-58 OPE2012-65 LQE2012-31
High-speed and high-temperature operations are required for light emitters in optical communication systems. AlGaInAs la... [more] R2012-27 EMD2012-33 CPM2012-58 OPE2012-65 LQE2012-31
pp.33-36
LQE, OPE, OCS 2010-10-29
15:30
Fukuoka Mojiko Retro Town, Minato house High Reliable AlGaInAs Lasers by Improved Facet-Coating Processes
Hiroyuki Ichikawa, Chie Fukuda, Shinji Matsukawa, Nobuyuki Ikoma (SEI) OCS2010-83 OPE2010-119 LQE2010-92
AlGaInAs lasers are suitable for element devices of optical communication systems. However, degradations in forward-bias... [more] OCS2010-83 OPE2010-119 LQE2010-92
pp.157-162
OCS, NS, PN
(Joint)
2010-06-24
13:25
Akita Akita University GMPLS based control of WSON and a real field experiment for dynamic dispersion compensation
Eiichi Horiuchi, Shoichiro Seno, Takashi Sugihara, Kiyoshi Onohara, Toshitsugu Uesugi, Toshiyuki Ichikawa, Takashi Mizuochi (Mitsubishi Electric) PN2010-2
In order to realize automatic operations and dynamic re-configurations of large optical networks by WSON control plane, ... [more] PN2010-2
pp.7-12
CPM, OPE, R 2010-04-16
14:50
Tokyo Kikai-Shinko-Kaikan Bldg. Reduction in Facet Temperature of AlGaInAs Edge-Emitting Lasers
Hiroyuki Ichikawa, Nobuyuki Ikoma (SEI) R2010-4 CPM2010-4 OPE2010-4
AlGaInAs edge-emitting lasers have been expected for element devices for optical communication systems. However, increas... [more] R2010-4 CPM2010-4 OPE2010-4
pp.17-22
IN 2010-02-04
15:45
Okinawa   Evaluation of the Route Optimization Architecture for MOBIKE-based Mobile Communication Systems
Takafumi Oya, Yasuhiro Kitamikado, Yasuyuki Ichikawa, Jun Miyoshi (NTT West) IN2009-132
MOBIKE is one of the mobile communication technologies which is an enhancement of IKEv2 protocol. Although MOBIKE has an... [more] IN2009-132
pp.33-38
LQE 2009-12-11
11:00
Tokyo Kikai-Shinko-Kaikan Bldg. Relationship between Facet Stress and Reliability of Edge-Emitting AlGaInAs Laser Diodes
Hiroyuki Ichikawa, Akiko Kumagai, Naoya Kono, Shinji Matsukawa, Chie Fukuda, Keiko Iwai, Nobuyuki Ikoma (Sumitomo Electric Industries, Ltd.) LQE2009-142
Although facet stress is one of the important parameters in edge-emitting laser diodes (LDs), the relationship between f... [more] LQE2009-142
pp.19-23
LQE, OPE 2009-06-19
16:20
Tokyo Kikai-Shinko-Kaikan Bldg. 1.3um AlGaInAs/InP DFB Lasers with Ridge-Waveguide Structure Buried by Benzocyclobutene Polymer
Hideki Yagi, Yutaka Onishi, Yukihiro Tsuji, Hiroyuki Ichikawa, Hiroyuki Yoshinaga, Toshio Nomaguchi, Kenji Hiratsuka, Katsumi Uesaka (Sumitomo Electric Ind, LTD.) OPE2009-27 LQE2009-30
1.3um AlGaInAs/InP distributed feedback (DFB) lasers with the ridge-waveguide structure buried by the benzocyclobutene (... [more] OPE2009-27 LQE2009-30
pp.59-62
OPE, CPM, R 2009-04-17
13:40
Tokyo Kikai-Shinko-Kaikan Bldg. Electrostatic-Discharge Tolerance of AlGaInAs Laser Diodes
Hiroyuki Ichikawa, Chie Fukuda, Shinji Matsukawa, Kotaro Hamada, Nobuyuki Ikoma, Takashi Nakabayashi (Sumitomo Electric Industries, Ltd.) R2009-2 CPM2009-2 OPE2009-2
This is a report on electrostatic discharge (ESD)-induced degradation of AlGaInAs/InP laser diodes. We found that the do... [more] R2009-2 CPM2009-2 OPE2009-2
pp.7-10
SIS 2009-03-06
11:35
Tokyo   A study of signaling protocol for Internet-VPN
Yuka Kamizuru, Hiroaki Hata, Hiroyuki Ichikawa (NTT Communications)
Various small computing devices are used for sensor or device controller over the Internet. To control the devices from ... [more] SIS2008-84
pp.69-72
IN, NS
(Joint)
2009-03-03
11:30
Okinawa Okinawa-Zanpamisaki Royal Hotel Proposal of the Web-Softphone, an Integration of Web and P2P
Taichi Kawabata, Shin Miyakawa, Hiroyuki Ichikawa (NTT-COM), Gotaro Hayashida (NTT-SOFT) IN2008-152
Recently, various client-server network service based on Web/HTTP service has been flourishing. This made the ubiquitou... [more] IN2008-152
pp.121-126
IN, NS
(Joint)
2009-03-04
14:20
Okinawa Okinawa-Zanpamisaki Royal Hotel A Study and Evaluation on NAT Traversal and Encryption for IP Communication Systems "Seamless Connection"
Tomohiro Nishitani, Yuka Kamizuru, Kazuhiro Arai, Hiroaki Hata, Hiroyuki Ichikawa (NTT Comm.) NS2008-180
It is significant for IP communication services to use various access lines using VoIP (Voice over IP). Because most of ... [more] NS2008-180
pp.211-216
OCS 2009-02-03
09:45
Shizuoka   A Study on Advanced FEC for LDPC Codes with Soft-Decision Decoding
Takashi Mizuochi, Yoshikuni Miyata, Toshiyuki Ichikawa, Yoshiaki Konishi, Tatsuya Kobayashi, Tokoka Inoue, Kiyoshi Onohara, Soichiro Kametani, Kazuo Kubo, Hideo Yoshida, Katsuhiro Shimizu, Hiroshi Ichibangase (Mitsubishi Electric Co.) OCS2008-118
Novel and strong forward error correction (FEC) for 100Gb/s optical transport networks is presented. Comparing with exis... [more] OCS2008-118
pp.67-72
CS, IN, NS
(Joint)
2008-09-11
11:20
Miyagi Tohoku University A Study and Evaluation on NAT Traversal for IP Communication Systems: "Seamless Connection"
Tomohiro Nishitani, Kazuhiro Arai, Hiroyuki Ichikawa (NTT Communications Corp.) NS2008-46
It is significant for IP communication services to use various access lines using VoIP. Because most of company networks... [more] NS2008-46
pp.23-28
IA 2008-07-09
13:30
Tokyo Shinagawa Inter-City (mornign), The Grand Hall (afternoon) [Panel Discussion] Expectations requirements for netconf from the internet operators' point of view.
Dai Kuwabara, Tomoya Yoshida, Takanori Mizuguchi, Hiroyuki Ichikawa (NTT Communications) IA2008-22
 [more] IA2008-22
pp.55-58
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