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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
CQ, ICM, NS, NV
(Joint)
2021-11-25
11:55
Fukuoka JR Hakata Stn. Hakata EkiHigashi Rental Room
(Primary: On-site, Secondary: Online)
Routing and Wavelength Assignment based on Quality of Transmission and Modulation
Hanami Yokoi, Kohjun Koshiji, Yasuharu Kaneko, Tatsuya Matsukawa, Takashi Miyamura (NTT) NS2021-87
In recent years, with the increase in the speed and capacity of optical transmission networks, it is necessary to operat... [more] NS2021-87
pp.18-23
NS 2021-05-14
10:55
Online Online Spectrum Defragmentation based on Path Classification in Optical Network
Hanami Yokoi, Kohjun Koshiji, Yasuharu Kaneko, Tatsuya Matsukawa, Mika Ishizuka, Takafumi Hamano (NTT) NS2021-23
In recent years, with the increase in the speed and capacity of optical transmission networks, it is necessary to operat... [more] NS2021-23
pp.50-55
NS, IN
(Joint)
2020-03-05
11:40
Okinawa Royal Hotel Okinawa Zanpa-Misaki
(Cancelled but technical report was issued)
A proposal of topology design method for optical transmission networks
Kohjun Koshiji (NTT), Masaki Okada (JAIST), Yasuharu Kaneko, Mika Ishizuka, Saburo Seto, Seisho Yasukawa (NTT) NS2019-200
In recent years, with the spread of communication services utilizing AI (Artificial Intelligence) and IoT (Internet of T... [more] NS2019-200
pp.135-140
NS 2019-04-19
10:50
Kagoshima Tenmonkan Vision Hall Data backup selection on the basis of disaster area at edge computing
Takuma Tsubaki, Naoki Higo, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara, Yoshikatsu Okazaki (NTT) NS2019-13
Recently, edge computing (EC) has attracted attention to the spread of Internet of Things (IoT). EC places resources in ... [more] NS2019-13
pp.73-77
IN, NS
(Joint)
2019-03-04
10:30
Okinawa Okinawa Convention Center A Study of the network function for Distributed Stream Processing in the Edge-computing
Naoki Higo, Takuma Tsubaki, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara (NTT) NS2018-210
In the environment of edge computing, each datacenter has resource limitations of computing. Therefore, we aim to effici... [more] NS2018-210
pp.99-104
IN, NS
(Joint)
2019-03-05
15:20
Okinawa Okinawa Convention Center Effective message transmission by network assistance -- Message transfer based on change of network state --
Kohjun Koshiji, Naoki Higo, Takuma Tsubaki, Toshimitsu Tsubaki, Yuuki Yano, Masanao Nakano, Takao Kurahashi, Takeshi Kuwahara (NTT) NS2018-283
In recent years, with the progress of IoT (Internet of Things), the number of IoT services for controlling devices throu... [more] NS2018-283
pp.515-520
NS, OCS, PN
(Joint)
2018-06-15
12:55
Fukushima Koriyama-Shoko-Kaigisho [Encouragement Talk] Effective message transmission by network assistance -- Performance evaluation of proposal function --
Kohjun Koshiji, Naoki Higo, Toshimitsu Tsubaki, Takeshi Kuwahara, Masanao Nakano, Tatsuya Ishihara (NTT) NS2018-32
In recent years, the number of IoT (Internet of Things) services for controlling devices via a network has increased. Ho... [more] NS2018-32
pp.25-30
NS, IN
(Joint)
2018-03-01
11:10
Miyazaki Phoenix Seagaia Resort Effective message transmission by network assistance
Kohjun Koshiji, Naoki Higo, Toshimitsu Tsubaki, Yoshiko Sueda, Masanao Nakano, Tatsuya Ishihara (NTT) NS2017-189
In recent years, the network has become sophisticated by the application of virtualization technology, etc., and the beh... [more] NS2017-189
pp.125-130
ASN, RCS, NS, SR
(Joint)
2013-07-19
17:10
Shizuoka Hamamatsu Act City An Economic Impact Evaluation of Telecom Service Disruptions Considering the Capital Loss
Yasuto Nakanishi, Shuichi Karasawa, Kohjun Koshiji, Hiroyuki Funakoshi, Yasunori Matsubayashi (NTT) NS2013-70
We have proposed evaluation methods for the social influence of telecom service disruptions as an economic impact. The ... [more] NS2013-70
pp.197-202
CQ 2013-07-11
13:00
Hokkaido Hokkaido University A failure rate estimation considering the change in the number of equipments -- Improvement of calculation method --
Hiroyuki Funakoshi, Kohjun Koshiji (NTT) CQ2013-14
The authors have been proposed the failure rate estimation method considering the change in the number of equipments for... [more] CQ2013-14
pp.1-6
IN, IA
(Joint)
2012-12-14
16:10
Hiroshima Hiroshima City Univ. A study on the relationship between repair time distribution and repair pattern for telecommunication networks
Hiroyuki Funakoshi, Kohjun Koshiji (NTT) IN2012-137
The authors have been declared that repair-time distribution for telecommunication networks approximates to mixing log-n... [more] IN2012-137
pp.91-96
CQ, ICM, NS
(Joint)
2012-11-15
09:40
Shiga Nagahama Inst. of Bio-Science and Tech. Reliability Evaluation Considering Communication Scale -- Estimation of the Evaluation and Application for the Evaluation --
Kohjun Koshiji, Hiroyuki Funakoshi, Shuichi Karasawa, Yasunori Matsubayashi (NTT) CQ2012-59
The social demand for securing telecommunications in disasters, such as the Great East Japan Earthquake last year, has b... [more] CQ2012-59
pp.13-18
PRMU, MVE, CQ, IPSJ-CVIM [detail] 2012-01-19
11:40
Osaka   A study on reliability evaluation technique for IPTV service
Yasuto Nakanishi, Kohjun Koshiji, Hiroyuki Funakoshi (NTT), Hitoshi Watanabe (Tokyo Univ of Science) CQ2011-64
(To be available after the conference date) [more] CQ2011-64
pp.49-54
EE, CPM 2009-01-23
10:20
Tokyo Kikai-Shinko-Kaikan Bldg. An Investigation of Reliability Simulation of Redundant Systems -- Application for Power systems and Air-conditioning Systems --
Kohjun Koshiji, Hitoshi Watanabe (Tokyo Univ. of Science) EE2008-54 CPM2008-133
(To be available after the conference date) [more] EE2008-54 CPM2008-133
pp.1-6
 Results 1 - 14 of 14  /   
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