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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CS | 2023-11-09 10:57 |
Shizuoka | Plaza Verde | A Study on Low Power Consumption by Optimizing Communication Rate in PON System for Mobile Networks Hiroyuki Saito, Yoshihiro Nakahira, Masayuki Kashima, Masahiro Sarashina (OKI) |
[more] | |
| CQ, CBE (Joint) |
2023-01-27 13:05 |
Ibaraki | Epochal Tsukuba International Congress Center (Primary: On-site, Secondary: Online) |
A study on resource allocation based on traffic prediction on the HetNet environment Go Hasegawa (Tohoku Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI)  CQ2022-76 |
[more] | CQ2022-76 pp.85-90 |
| NS, ICM, CQ, NV (Joint) |
2022-11-24 11:10 |
Fukuoka | Humanities and Social Sciences Center, Fukuoka Univ. + Online (Primary: On-site, Secondary: Online) |
A study on function placement for local 5G traffic on TWDM-PON based fronthaul network Go Hasegawa (Tohoku Univ.), Masayuki Murata (Osaka Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI), Shingo Ata (Osaka Metropolitan Univ.) CQ2022-48 |
[more] | CQ2022-48 pp.7-12 |
| CS | 2022-10-28 10:55 |
Hiroshima | Hiroshima City University Satellite campus (Primary: On-site, Secondary: Online) |
A Resource Allocation Method for TWDM-PON providing QoS and Reduction of Power Consumption Yoshihiro Nakahira, Masayuki Kashima, Masahiro Sarashina (OKI) CS2022-47 |
On a TWDM-PON, a method has been proposed to reduce power consumption; in which wavelengths of ONUs are dynamically allo... [more] | CS2022-47 pp.21-26 |
| NS, IN (Joint) |
2022-03-10 09:30 |
Online | Online | A study on network slice resource optimization based on mobile traffic prediction Go Hasegawa (Tohoku Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI) NS2021-123 |
[more] | NS2021-123 pp.7-12 |
| CQ, ICM, NS, NV (Joint) |
2021-11-25 09:40 |
Fukuoka | JR Hakata Stn. Hakata EkiHigashi Rental Room (Primary: On-site, Secondary: Online) |
Function placement of traffic processing for local 5G services Go Hasegawa (Tohoku Univ.), Masayuki Murata (Osaka Univ.), Yoshihiro Nakahira, Masayuki Kashima (OKI), Shingo Ata (Osaka City Univ.) CQ2021-63 |
[more] | CQ2021-63 pp.1-6 |
| 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 |
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