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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 25  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CS, IN, NS, NV
(Joint)
2020-09-11
11:40
Online Online Additional resource request from an ONUs to the accommodating TWDM-PON system with high speed wavelength switching
Yoshihiro Nakahira, Masahiro Sarashina, Saito Hiroyuki, Shozo Yamada, Satoshi Furusawa, Masayuki Kashima, Hironori Sasaki (OKI) NS2020-45
During wavelength switching time, it is not possible to send traffic. Therefore some TWDM-PON systems have queues to sto... [more] NS2020-45
pp.21-26
CQ 2020-07-17
13:25
Online Online CQ2020-31  [more] CQ2020-31
pp.51-56
NS, IN, CS, NV
(Joint)
2019-09-05
13:55
Miyagi Research Institute of Electrical Communication, Tohoku Univ. [Invited Lecture] Power saving and latency on the TWDM-PON with high speed wavelength switching
Yoshihiro Nakahira, Saito Hiroyuki, Masahiro Sarashina, Masayuki Kashima (OKI), Takeshi Suehiro, Kenichi Nakura, Seiji Kozaki (Mitubishi), Shu Yamamoto, Akihiro Nakao (Unv. of Tokyo) CS2019-52
Recently, novel access network systems are proposed and discussed in which network resources and their functions are vir... [more] CS2019-52
pp.27-32
NS, IN, CS, NV
(Joint)
2019-09-06
15:20
Miyagi Research Institute of Electrical Communication, Tohoku Univ. A study on functional splitting optimization of fronthaul network based on TWDM-PON
Go Hasegawa (Tohoku Univ.), Masayuki Murata (Osaka Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI), Shingo Ata (Osaka City Univ.) NS2019-95
In this report, the mathematical model for power consumption of 5G fronthaul network with functional splitting of baseba... [more] NS2019-95
pp.35-40
CS 2019-07-05
09:00
Kagoshima Amami City Social Welfare Center Trends and issues about improvement of the optical access systems
Seiji Kozaki, Takeshi Suehiro, Kenichi Nakura (Mitsubishi Electric), Hiroyuki Saito, Yoshihiro Nakahira, Masayuki Kashima (OKI), Shu Yamamoto, Akihiro Nakao (The University of Tokyo) CS2019-39
In this paper, we analyze trends with concerning progress of optical access systems in terms of applications and functio... [more] CS2019-39
pp.115-119
IN, NS, CS, NV
(Joint)
2018-09-06
17:45
Miyagi Research Institute of Electrical Communication, Tohoku Univ. [Invited Lecture] New Architecture to Flexibly and Dynamically Control MFH/MBH for IoT services
Hiroyuki Saito, Yoshihiro Nakahira, Masayuki Kashima, Hironori Sasaki (OKI), Akiko Nagasawa, Kenichi Nakura, Yukio Hirano, Seiji Kozaki (Mitsubishi Electric Corporation), Shu Yamamoto, Yoshiaki Kiriha, Akihiro Nakao (The University of Tokyo) NS2018-97 IN2018-31 CS2018-50
In this paper, we outline a new network architecture which control virtualized networks to solve network resource exhaus... [more] NS2018-97 IN2018-31 CS2018-50
pp.53-58
ICM 2015-03-19
10:40
Okinawa Ishigaki-City-Hall A Method of Multi-stage Application Identification for Improving Identification Accuracy
Yuichi Kumano, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI), Ikuo Oka (Osaka City Univ.) ICM2014-57
A method of application identification is important for network management because it is used for traffic controls and a... [more] ICM2014-57
pp.19-24
NS, CS, IN
(Joint)
2013-09-13
09:20
Miyagi Tohoku Univ. Research Institute of Electrical Communication 2gokan SDN Access Network and MPTCP technology for Mobile Backhaul Service
Yoshihiro Nakahira, Masayuki Kashima (OKI) CS2013-35
We consider a future PON (Passive Optical Network) based SDN (Software Defined Network) access network model for mobile ... [more] CS2013-35
pp.31-36
NS, CS, IN
(Joint)
2013-09-13
13:50
Miyagi Tohoku Univ. Research Institute of Electrical Communication 2gokan A Study on Online Application Identification of Encrypted Traffic
Yuichi Kumano, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI), Ikuo Oka (Osaka City Univ.) IN2013-74
Application identification in the middle is one of important technique for network operators to manage application based... [more] IN2013-74
pp.85-90
OCS, CS
(Joint)
2013-01-25
10:55
Ehime Ehime Univ. Effects of OLT Activation Control on Quality of Communication Services in Virtualized PON
Norihiro Imanaka, Yoshihiro Nakahira, Masayuki Kashima (OKI) CS2012-99
We’ve started to develop Virtual PON, low-enrgy-consumption PON toward the realization of next
generation optical acces... [more]
CS2012-99
pp.15-20
IN 2012-10-11
15:25
Tokyo Tokyo Univ. Sanjo-Kaikan [Invited Talk] Applications for Software Defined Network Technologies on Edge Networks in the Future Network
Yoshihiro Nakahira (OKI) IN2012-95
We assume a model of Future Network (FN) architecture and discuss the effectiveness of the SDN technologies and system c... [more] IN2012-95
pp.109-114
IN 2012-10-12
13:15
Tokyo Tokyo Univ. Sanjo-Kaikan A Route Control Method in Software DEfined Access Networks
Norihiro Imanaka, Nobuyuki Nakamura, Yoshihiro Nakahira, Masayuki Kashima (OKI), Shingo Ata (Osaka City Univ.), Go Hasegawa (Osaka Univ.) IN2012-104
Due to the wide use and spread of network communications, importance of provide appropriate qual-ities for network servi... [more] IN2012-104
pp.161-166
MoNA, IN
(Joint)
2011-11-18
12:25
Fukuoka   A study on improving accuracy of application identification for encrypted traffic
Yohei Okada, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI), Ikuo Oka (Osaka City Univ.) IN2011-101
In network management, application identification of traffic is important. However, encrypted traffic has been increasin... [more] IN2011-101
pp.49-54
NS 2011-05-19
16:00
Tokyo Sophia University A Virtual Service Platform and Power Saving on a Future Network Model
Yoshihiro Nakahira, Norihiro Imanaka, Hiroshi Hashizume (OKI) NS2011-31
(Advance abstract in Japanese is available) [more] NS2011-31
pp.81-86
IN, NS
(Joint)
2011-03-04
14:50
Okinawa Okinawa Convention Center A Model of Future Network Architecture and a Configuration of a Node
Yoshihiro Nakahira, Norihiro Imanaka, Hiroshi Hashizume (OKI) NS2010-293
We discuss a model of Future Network architecture and a configuration of a node that meet requirements of service demand... [more] NS2010-293
pp.741-746
NS, CS, IN
(Joint)
2010-09-03
15:45
Miyagi Tohoku University A Method of Application Identification from Encrypted Traffic based on Characteristic Changes by Encryption
Yohei Okada, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI), Ikuo Oka (Osaka City Univ.) IN2010-64
Recent years, there are many studies on identification of application from the monitored traffic in the Internet where v... [more] IN2010-64
pp.121-126
IN 2010-07-08
15:50
Hokkaido Hokkaido Univ. Analysis of Characteristic Changes by Encryption for Application Identification of Encrypted Traffic
Yohei Okada, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI), Ikuo Oka (Osaka City Univ.) IN2010-30
In network management, application identification of traffic is important. However, since encrypted traffic has been inc... [more] IN2010-30
pp.43-48
ICM 2009-03-13
17:05
Kagoshima   Analysis of Difference between Encrypted and Normal Traffic and its Application to Detect Encrypted Traffic.
Yu-ki Minamiura, Shingo Ata (Osaka City Univ.), Nobuyuki Nakamura, Yoshihiro Nakahira (OKI Electric Industry Co., Ltd.), Masayuki Murata (Osaka Univ.), Ikuo Oka (Osaka City Univ.) ICM2008-89
In network management, identification of traffic type is important. However encrypted traffic has been increasing (in re... [more] ICM2008-89
pp.179-184
CS, IN, NS
(Joint)
2008-09-12
09:30
Miyagi Tohoku University Channel allocation method for improvement of bandwidth utilization for COF-PON system
Yoshihiro Nakahira, Ryuichi Watanabe, Masayuki Kashima (OKI) CS2008-23
 [more] CS2008-23
pp.37-42
CS 2006-10-20
10:50
Hokkaido Shiretoko Prince Hotel - Kazanamiki (Hokkaido) A GMPLS Optical Network System with Mechanisms for Improvement of Resource Utilization Efficiency
Yoshihiro Nakahira, Akihiro Fujii, Issei Asabayashi, Hiroyuki Sakamoto, Masato Kawahara (OKI) CS2006-46
 [more] CS2006-46
pp.59-64
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