Faculty Profiles - MURASE Tutomu

Papers - MURASE Tutomu

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VM Migration Considering Downtime for Accuracy Improvement in Multi-stage Information Processing System Reviewed

Kazutoshi Nakane, Takumi Anjiki, Jiquan Xie, Yukinobu Fukushima, Tutomu Murase

IEEE International Conference on Consumer Electronics Taiwan 2022.9

VM Migration Considering Downtime for Accuracy Improvement in Multi-stage Information Processing System Reviewed

Naoyuki Ito, Jiquan Xie, Hiroyasu Obata, Tutomu Murase

IEEE International Conference on Consumer Electronics Taiwan 2022.9

Minimizing the monetary penalty and energy cost of server migration service Reviewed International coauthorship

Yukinobu Fukushima, Tatsuya Suda, Tutomu Murase, Yuya Tarutani, Tokumi Yokohira

Transactions on Emerging Telecommunications Technologies Vol. 33 ( 9 ) 2022.9

Preface Reviewed

Murase T., Ishibashi Y.

WSCE 2022 - 2022 5th World Symposium on Communication Engineering 2022.9

Performance Improvement by Controlling VM Migration between Edge Nodes in a Multi-Stage Information Processing System Reviewed

Anjiki T., Nakane K., Murase T.

WSCE 2022 - 2022 5th World Symposium on Communication Engineering ( 53 - 58 ) 2022.9

自律走行ロボットによるアドホックネットワークにおけるシステム内干渉を考慮したスループット向上のための移動経路・中継切り替え制御

牧野晃汰, 平井健士, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-23 ) 2022.8

PathRakeTCP: 多数TCPコネクションを用いたファイアウォール対応の可用帯域推定手法

伊藤尚幸, 大芝　崇, 里田浩三, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-19 ) 2022.8

自律走行ロボットによるアドホックネットワークにおけるシステム内干渉を考慮したスループット向上のための移動経路・中継切り替え制御

牧野晃汰, 平井健士, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-23 ) 2022.8

PathRakeTCP: 多数TCPコネクションを用いたファイアウォール対応の可用帯域推定手法

伊藤尚幸, 大芝　崇, 里田浩三, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-19 ) 2022.8

Performance Evaluation Framework Based on Multiuser Cooperative Mobility in MANETs Reviewed

Xie Jiquan, Murase Tutomu

2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING) 2022.6

Performance Evaluation Framework Based on Multiuser Cooperative Mobility in MANETs Reviewed

Xie Jiquan, Murase Tutomu

2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING) 2022.6

アドホックネットワークでの移動制約を考慮したユーザ移動制御におけるスループット向上

稲岡孝汰郎, 謝　済全, 高梨昌樹, 牧戸知史, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-12 ) 2022.5

アドホックネットワークでの移動制約を考慮したユーザ移動制御におけるスループット向上

稲岡孝汰郎, 謝　済全, 高梨昌樹, 牧戸知史, 村瀬　勉

電子情報通信学会情報ネットワーク研究会 ( IN2022-12 ) 2022.5

Periodic Networked Imaging With Nanoscale Sensor Nodes via Two-Layered Time-Division Access Reviewed

Nishibori, S; Murase, T; Tadokoro, Y

IEEE INTERNET OF THINGS JOURNAL Vol. 9 ( 8 ) page： 6213 - 6223 2022.4

Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE Internet of Things Journal

As the Internet of Things (IoT) has become a widespread phenomenon, promising sensor applications at the nanoscale have begun to emerge. One example is imaging via distributed massive nanoscale nodes (NSNs), which can be used to implement 'invisible surveillance cameras' by, for example, painting liquids containing nanoscale sensors onto walls. This imaging method requires periodic data transfer from thousands of NSNs to a data collection node (DCN). An essential technique for handling such transfers is the media access control (MAC) protocol. However, existing protocols cannot support periodic transfer from numerous NSNs because of inefficient communication caused by a large amount of headers in the packets. In this article, we introduce an original MAC protocol and discuss its capability in terms of implementing imaging applications. The proposed protocol applies a time-division access (TDA) feature to reduce the amount of headers and a two-layered protocol to enable simultaneous transmission among nodes. Slot assignment is an essential function in TDA and requires communication among nodes. Unlike existing methods, our simple approach enables communication by exploiting the unique features of the focused application. The results of the numerical simulation reveal that the proposed MAC protocol allows for periodic imaging with more than three thousand nodes and produces high-quality images very close to those obtained using ideal communication. These results are achieved by employing an original design framework to determine appropriate key parameters, such as the number of clusters and frame rate.

DOI： 10.1109/JIOT.2021.3112711

Web of Science

Scopus

Periodic Networked Imaging With Nanoscale Sensor Nodes via Two-Layered Time-Division Access Reviewed

Nishibori Shoma, Murase Tutomu, Tadokoro Yukihiro

IEEE INTERNET OF THINGS JOURNAL Vol. 9 ( 8 ) page： 6213 - 6223 2022.4

Periodic Networked Imaging With Nanoscale Sensor Nodes via Two-Layered Time-Division Access Reviewed

Nishibori Shoma, Murase Tutomu, Tadokoro Yukihiro

IEEE INTERNET OF THINGS JOURNAL Vol. 9 ( 8 ) page： 6213 - 6223 2022.4

Performance Evaluation Framework Based on Multiuser Cooperative Mobility in MANETs Reviewed

Xie, J; Murase, T

2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING) Vol. 2022-June 2022

Authorship：Last author,　Corresponding author Language：English Publishing type：Research paper (scientific journal) Publisher：IEEE Vehicular Technology Conference

Three algorithms for multiuser mobility method are evaluated in terms of performance to derive the most suitable algorithms for different practical application scenarios. Traditional multiuser mobility methods focus on improving throughput performance only without considering algorithm execution overhead and complexity. In contrast to previous studies, this paper develops an analytical tradeoff framework for the throughput and algorithmic complexity evaluation based on multiuser cooperative mobility in Mobile Ad Hoc Networks (MANETs). On the one hand, we quantitatively derive and model the optimal strategy for optimization throughput. On the other hand, we jointly evaluate the complexity performance of proposed algorithms, which are demonstrated by the discrepancies in the number of users, movable range, and location distribution. Numerical simulations show that the game-theoretic algorithm provides 16.85% throughput gain with high user volume, the bound-algorithm offers 17.22% throughput gain at large movement ranges and the graph-algorithm can reduce 29.26% complexity, indicating the effectiveness of our proposed framework.

DOI： 10.1109/VTC2022-Spring54318.2022.9860982

Web of Science

Scopus

Passive Method for Estimating Available Throughput for Autonomous Off-Peak Data Transfer Reviewed International journal

Kozo Satoda, Eiji Takahashi, Takeo Onishi, Takayuki Suzuki, Daisuke Ohta, Kosei Kobayashi, and Tutomu Murase

Wireless Communications and Mobile Computing Vol. 2020 ( 3502394 ) page： 1 - 12 2021.4

Throughput Measurement for IEEE 802.11ad with Various Obstacles and Reflectors by Real Machines Reviewed International journal

Ryoko Nino, Takayuki Nishio and Tutomu Murase

IEEE LifeTech 2021 2021.3

User Cooperative Mobility for the High Throughput of Target Flows in Multiple Ad-Hoc Networks Reviewed International journal

Kosuke Okumura and Tutomu Murase

IEEE CCNC 2021 2021.1

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Papers - MURASE Tutomu