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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2020-08-25
11:15
Online Online [Invited Lecture] Upgrading of Network Maintenance using Bit Lossless ODU Path Protection Method
Kei Kitamura, Fumikazu Inuzuka, Takafumi Tanaka, Takuya Ohara (NTT)
(To be available after the conference date) [more]
SCE 2020-01-17
13:15
Kanagawa   [Poster Presentation] A Routing Method with Wire Length Matching for RSFQ Logic Circuits Using Thin PTLs
Kei Kitamura (Kyoto Univ), Kazuyoshi Takagi (Mie Univ), Naofumi Takagi (Kyoto Univ) SCE2019-35
A routing method with wire length matching using thin PTLs for RSFQ circuits is proposed. For AIST-ADP2 fabrication tech... [more] SCE2019-35
pp.23-25
CS, OCS
(Joint)
2020-01-17
11:15
Oita Beppu Housensou Hotel (Oita Pref.) Demonstration of a Novel Framework for Proactive Maintenance using Failure Prediction and Bit Lossless Protection in Optical Transport Networks
Fumikazu Inuzuka, Takuya Oda, Takafumi Tanaka, Kei Kitamura, Seiki Kuwabara (NTT), Akira Hirano (TDU), Takuya Ohara (NTT) OCS2019-77
We propose a novel framework for proactive maintenance that realizes disruption-free networks with low latency. The proa... [more] OCS2019-77
pp.67-70
PN 2019-03-15
14:35
Okinawa Miyako Island Hirara Port Terminal Bldg. Large Capacity ODU Path Protection without Bit Disruption for Low Latency Core/Metro Network
Kei Kitamura, Fumikazu Inuzuka, Takafumi Tanaka, Akira Hirano (NTT) PN2018-95
The growth of IP traffic continues and various new traffic characteristics such as low delay and high reliability are ap... [more] PN2018-95
pp.73-76
OCS, OPE, LQE 2018-11-12
14:00
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Invited Talk] Report on ECOC2018 -- Optical Networks --
Kei Kitamura (NTT) OCS2018-60 OPE2018-89 LQE2018-78
This paper review technical trends related to Optical network in 44th European Conference on Optical Communication (ECOC... [more] OCS2018-60 OPE2018-89 LQE2018-78
pp.7-9
PN, NS, OCS
(Joint)
2017-06-15
14:15
Akita Akita Univ. A study of improvement of reliability in beyond 100G optical transport network
Masahiro Yokota, Kei Kitamura, Hiroshi Yamamoto, Shohei Kamamura, Shunnichi Tsuboi, Yoshihiko Uematsu, Hideki Maeda (NTT) NS2017-23
100G optical transport network is now consisted of single-carrier optical transponders. In order to increase the capacit... [more] NS2017-23
pp.7-10
OCS, NS, PN
(Joint)
2016-06-23
09:50
Hokkaido Hokkaido University Availability Improvement Schemes for Multi-carrier Optical Transmission Systems -- NetroSphere: Towards the Transformation of Carrier Networks --
Hiroshi Yamamoto, Kei Kitamura, Masahiro Yokota, Hiroki Date, Shohei Kamamura, Takashi Miyamura, Yoshihiko Uematsu (NTT) NS2016-31
In multi-carrier transmission systems, a transponder is composed of a number of optical modules equal to that of sub-car... [more] NS2016-31
pp.19-22
NS, OCS, PN
(Joint)
2015-06-19
11:10
Fukui Fukui-shi-chiiki-kouryu Sub-carrier protection scheme in beyond 100G multi-carrier optical transmission
Kei Kitamura, Masahiro Yokota, Takashi Kotanigawa, Hideki Maeda (NTT) NS2015-35
Optical transmission equipment used in core network will be expected to transport 400Gbps/1Tbps client traffic. Beyond 1... [more] NS2015-35
pp.31-34
OFT, OCS
(Joint)
2013-08-23
14:50
Hokkaido   Adaptive transport frame for reconfigurable optical transponder toward Beyond 100G
Kei Kitamura, Yoshiaki Yamada, Mitsuhiro Teshima, Akira Hirano (NTT) OCS2013-45
Photonic network with capability to handle dynamic and high capacity traffic will be expected to transport 400Gb/s ~1Tb/... [more] OCS2013-45
pp.49-54
SIP, CAS, CS 2013-03-15
15:10
Yamagata Keio Univ. Tsuruoka Campus (Yamagata) Novel variable coding rate FEC for elastic optical networks and its implementations and evaluations on GPU
Yoshiaki Yamada, Takafumi Tanaka, Kei Kitamura, Kenji Hisadome, Mitsuhiro Teshima, Akira Hirano (NTT) CAS2012-129 SIP2012-160 CS2012-135
The elastic optical networks allocate adaptively minimum spectral resources for an optical path based on various network... [more] CAS2012-129 SIP2012-160 CS2012-135
pp.193-198
PN 2012-11-06
15:05
Tokyo Japan Women's University Link Failure Detection and Error Condition Notification for Adaptive Multiple Lane Transport
Kei Kitamura, Yoshiaki Yamada, Kenji Hisadome, Mitsuhiro Teshima (NTT) PN2012-32
We study the cost-effective and flexible capacity transport technologies that adapt to sudden traffic demands. We have r... [more] PN2012-32
pp.47-50
NS, OCS, PN
(Joint)
2012-06-21
14:20
Yamagata Yamagata Univ. Architecture designing of a reconfigurable optical transponder applied to a dynamically adaptive photonic node
Mitsuhiro Teshima, Kenji Hisadome, Kei Kitamura, Yoshiaki Yamada, Osamu Ishida (NTT) OCS2012-11
(Advance abstract in Japanese is available) [more] OCS2012-11
pp.13-18
CS, IPSJ-AVM, ITE-BCT, IE [detail] 2011-12-15
11:10
Aichi Nagoya Univ. Study of inter-application communication technology for high-capacity optical wavelength path networks
Yoshiaki Yamada, Kei Kitamura, Kenji Hisadome, Mitsuhiro Teshima, Osamu Ishida (NTT) CS2011-68 IE2011-92
n a future Terabit-LAN over optical path networks where the servers are interconnected directly using plural wavelength-... [more] CS2011-68 IE2011-92
pp.25-30
OPE, OFT 2010-02-26
09:20
Tokyo Kikai-Shinko-Kaikan Bldg. Influence of Frequency Chirping Induced by Semiconductor Optical Amplifier on Transmission Characteristics
Kei Kitamura, Motoharu Matsuura, Naoto Kishi (Univ. of Electro-Commun.) OFT2009-83 OPE2009-224
We investigated the transmission characteristics of the converted signal with frequency chirping after wavelength conver... [more] OFT2009-83 OPE2009-224
pp.1-6
OCS, LQE, OPE 2008-10-23
10:15
Fukuoka Kyushu Univ. Evaluation of Frequency Chirp Properties Induced by SOA Measured With an Optical Bandpass Filter
Kei Kitamura, Motoharu Matsuura, Nozomi Iwatsu, Naoto Kishi (Univ. of Electro-Commun.) OCS2008-50 OPE2008-93 LQE2008-62
We mesured the frequency chirp properties induced by semiconductor optical amplifiers (SOAs) by a practical method using... [more] OCS2008-50 OPE2008-93 LQE2008-62
pp.17-22
 Results 1 - 15 of 15  /   
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