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Technical Committee on Network Systems (NS) [schedule] [select]
Chair Akihiro Nakao (Univ. of Tokyo)
Vice Chair Tetsuya Oishi (NTT)
Secretary Takashi Ikebe (NTT), Masahiro Yoshida (Chuo Univ.)
Assistant Kotaro Mihara (NTT)

Conference Date Wed, Oct 6, 2021 10:15 - 17:00
Thu, Oct 7, 2021 09:15 - 17:00
Fri, Oct 8, 2021 09:15 - 13:55
Topics Network architecture (Overlay, P2P, Ubiquitous network, Scale-free network, Active network, NGN/NwGN, IoT, Edge computing, Next generation packet transport (High speed Ethernet, IP over WDM, Multi-service package technology, MPLS), Grid, etc. 
Conference Place Online only (Due to COVID-19) 
Announcement Technical Committee on Network Systems supports "Japan Digital Days 2021". ( Web : )
In commemoration of "Japan Digital Days 2021" (October 10-11), we are organizing a program as "Digital Day Special Session" at the October meeting, focusing on technologies that will support future digital services.
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Registration Fee This workshop will be held as the IEICE workshop in fully electronic publishing. Registration fee will be necessary except the speakers and participants other than the participants to workshop(s) in non-electronic publishing. See the registration fee page. We request the registration fee or presentation fee to participants who will attend the workshop(s) on NS.

Wed, Oct 6 AM 
10:15 - 11:05
(1) 10:15-10:40 Distributed ultra-high-definition video handling system using wide-area SRv6 service function chaining NS2021-67 Kouta Aoki (Miharu Communications), Mitsuru Maruyama, Katsuhiro Sebayashi, Tomohiro Ishioka, Yuma Ito (KAIT), Hiroyuki Kimiyama (Daido Univ)
(2) 10:40-11:05 Reducing travel time by avoiding traffic jams in a cooperative driving system with multi-tier edge servers NS2021-68 Yusuke Inagaki, Akihiro Nakao (UT)
  11:05-12:55 Break ( 110 min. )
Wed, Oct 6 PM 
12:55 - 14:10
(3) 12:55-13:20 A Note on Anonymous Protocol for Publihs-Subscribe IoT Systems Yudai Fukushima, Kauzya Sakai (TMU)
(4) 13:20-13:45 A study on low latency Pub/Sub Systems Hitoki Kano, Shinya Kawano (NTT)
(5) 13:45-14:10 Preliminary study on estimation of social network structure by observing user responses Ryo Miyamoto, Masaki Aida (Tokyo Metropolitan Univ.)
  14:10-14:20 Break ( 10 min. )
Wed, Oct 6 PM 
14:20 - 15:35
(6) 14:20-14:45 A Note on Task Assignment for Real-Time Mobile Crowdsourcing Haruumi Imamura, Kazuya Sakai (TMU)
(7) 14:45-15:10 Development of Mixed Reality application for remote education of student experiments Reita Hagihara, Naoto Hoshikawa (Oyama College)
(8) 15:10-15:35 Development of a Robot for Measuring Spatial Temperature Distribution in Machine Rooms Sakuya Suzuki, Naoto Hoshikawa (Oyama College), Takashi Nishitsuji (TMU), Tomoyoshi Ito (Chiba Univ)
  15:35-15:45 Break ( 10 min. )
Wed, Oct 6 PM 
15:45 - 17:00
(9) 15:45-16:10 Implementation of smart contracts with an access control by attribute based encryption Takumi Okano, Hideharu Kojima, Naoto Yanai, Tatsuhiro Tsuchiya (Osaka Univ.)
(10) 16:10-16:35 A Study on Geo-distributed Databases in Unstable Network Environments Shohei Yamamoto, Taku Yamazaki, Takumi Miyoshi, Thomas Silverston (Shibaura Inst. Tech.)
(11) 16:35-17:00 A Study on IoT Traffic Anomaly Detection in Smart Home Environments Naoto Watanabe, Taku Yamazaki, Takumi Miyoshi (Shibaura Inst. Tech.), Ryo Yamamoto (UEC), Thomas Silverston (Shibaura Inst. Tech.)
Thu, Oct 7 AM 
09:15 - 10:30
(12) 09:15-09:40 Research on procedural technology of 3D landscape image using fractal models and genetic algorithm Kaito Watanabe, Naoto Hoshikawa (Oyama College), Hirotaka Nakayama (NAOJ), Atushi Shiraki, Tomoyoshi Ito (Chiba Univ)
(13) 09:40-10:05 A Study on UAV Flight Management System Based on Network Technologies Takahiko Haraguchi (Shibaura Inst. Tech.), Hiroshi Katada (Waseda Univ.), Taku Yamazaki, Takumi Miyoshi (Shibaura Inst. Tech.), Kiyoshi Ueda (Nihon Univ.), Ryo Yamamoto (UEC), Thomas Silverston (Shibaura Inst. Tech.)
(14) 10:05-10:30 Improving Device Processing Cost by Distillation in Federated Learning Hiromichi Yajima (Shibaura Inst. Tech), Shota Ono (The Univ. of Tokyo), Takumi Miyoshi, Taku Yamazaki, Thomas Silverston (Shibaura Inst. Tech)
  10:30-10:40 Break ( 10 min. )
Thu, Oct 7 AM 
10:40 - 11:55
(15) 10:40-11:05 Effect of Wireless Connection on Extraction Technique of Time Drift for Online Device Identification Mitsuki Yasuda, Naoto Hoshikawa (Oyama College), Atushi Shiraki, Tomoyoshi Ito (Chiba Univ)
(16) 11:05-11:30 A Study towards Characterization of LPWA Mesh Networking in Real Environments Yuta Kobayashi, Eri Hosonuma, Taku Yamazaki, Takumi Miyoshi, Yoshihiro Niitsu, Thomas Silverston (Shibaura Inst. Tech.)
(17) 11:30-11:55 An SDN-based Routing Method to Reduce Delay for Vehicular Ad Hoc Networks Kazuya Hirata (Shibaura Inst. Tech.), Shota Ono (The Univ. of Tokyo), Takumi Miyoshi, Taku Yamazaki, Thomas Silverston (Shibaura Inst. Tech.)
  11:55-12:55 Break ( 60 min. )
Thu, Oct 7 PM 
12:55 - 13:40
(18) 12:55-13:40 [Invited Talk]
Wireless Communication Quality Prediction Technology Based on Personal User Information Using Federated Learning
-- The Challenge of Balancing Privacy Protection and Communication Quality Prediction --
Koki Horita, Masanobu Jimbo, Bin Yang (Sony)
  13:40-13:50 Break ( 10 min. )
Thu, Oct 7 PM 
13:50 - 14:35
(19) 13:50-14:35 [Invited Talk]
Quantum Cryptography technologies for realizing the Quantum Key Distribution platform NS2021-70
Keisuke Mera (Toshiba)
  14:35-14:45 Break ( 10 min. )
Thu, Oct 7 PM 
14:45 - 15:35
(20) 14:45-15:10 [Encouragement Talk]
A Study on Delay-Bounded Packet Transmission in Wireless Sensor Networks NS2021-71
Aya Koyama, Yosuke Tanigawa, Hideki Tode (Osaka Prefecture Univ.)
(21) 15:10-15:35 Stability Conditions for Cluster Structures Generated by Autonomous Distributed Spectral Clustering in Hierarchical Routing for MANET NS2021-72 Naoki Matsuhashi (Tokyo Metropolitan Univ.), Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.)
  15:35-15:45 Break ( 10 min. )
Thu, Oct 7 PM 
15:45 - 17:00
(22) 15:45-16:10 Minimizing Spectrum Slicing in Elastic Optical Network NS2021-73 Kaito Akaki, Nattapong Kitsuwan (UEC)
(23) 16:10-16:35 An Evaluation of Multipath Tunneling using P4 NS2021-74 Hiroaki Motohashi, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)
(24) 16:35-17:00 RDMA acceleration method for long-distance optical networks NS2021-75 Junki Ichikawa, Kiwami Inoue, Tomoya Hibi, Toru Mano, Yukio Tsukishima, Kenji Shimizu, Hideki Nishizawa (NTT)
Fri, Oct 8 AM 
09:15 - 10:30
(25) 09:15-09:40 A study of privacy-preserving distributed machine learning using Rich Clients NS2021-76 Saki Takano (Ochanomizu Univ.), Akihiro Nakao (The Univ. of Tokyo), Saneyasu Yamaguchi (Kogakuin Univ.), Masato Oguchi (Ochanomizu Univ.)
(26) 09:40-10:05 [Invited Lecture]
Probabilistic Analysis on Mining Time in Private Blockchain Networks NS2021-77
Xuan Chen, Kien Nguyen, Hiroo Sekiya (Chiba Univ.)
(27) 10:05-10:30 [Invited Lecture]
Throughput Analysis of Translation Gateway Between IP and NDN Using Dual Channel NS2021-78
Feri Fahrianto (Fukuoka Univ), Noriaki Kamiyama (Ritsumeikan Univ)
  10:30-10:40 Break ( 10 min. )
Fri, Oct 8 AM 
10:40 - 11:55
(28) 10:40-11:05 [Invited Lecture]
A Method for Calculating Time-Division Transfer Schedule in TSN Networks NS2021-79
Makoto Kubomi, Zhao Jeffrey, Daisuke Takita, Sachiko Taniguchi, Takahisa Yamauchi (Mitsubishi Electric)
(29) 11:05-11:30 [Encouragement Talk]
A computer time correction method based on the wide range of temperature deviation characteristics of clock signal sources NS2021-80
Kiyonari Katsura, Naoto Hoshikawa (NIT, Oyama College), Atsushi Shiraki, Tomoyoshi Ito (Chiba Univ.)
(30) 11:30-11:55 Dynamic Resource Allocation for Network Slices Based on Connection Prediction with Machine Learning and Performance Analysis with Queueing Theory NS2021-81 Yuji Kameyama, Yuki Kawai, Takuji Tachibana (Univ. Fukui)
  11:55-12:55 Break ( 60 min. )
Fri, Oct 8 PM 
12:55 - 13:55
(31) 12:55-13:55  

Announcement for Speakers
General TalkEach speech will have 18 minutes for presentation and 7 minutes for discussion.
Oral Presentation (初めて研究会セッション)Each speech will have 10 minutes for presentation and 15 minutes for discussion.
Invited TalkEach speech will have 40 minutes for presentation and 5 minutes for discussion.

Contact Address and Latest Schedule Information
NS Technical Committee on Network Systems (NS)   [Latest Schedule]
Contact Address E-:ns-cat
Kotaro Mihara (NTT)
TEL 0422-59-3642
Takashi Ikebe (NTT)
TEL 0422-59-3417 

Last modified: 2021-10-06 16:04:48

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