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IEICE Trans

Hiroyasu OBATA

TCP-HORUS: A Dynamic Splitting TCP Utilizing Packet Loss Rate and Latency
Atsuki HARA Hiroyasu OBATA Chisa TAKANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/06/01
Vol. E109-B  No. 6  pp. 839-848
Type of Manuscript:  PAPER
Category: Network
Keyword: 
TCP, TCP proxy, packet loss rate, latency, 
 Summary | Full Text:PDF
A Study on Wireless LAN Technologies Based on Mathematical Model of Physical Phenomena
Hiroyasu OBATA Chisa TAKANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2026/02/01
Vol. E109-B  No. 2  pp. 180-189
Type of Manuscript:  INVITED PAPER (Special Section on Emerging Communication Technologies in Conjunction with Main Topics of ICETC2024)
Category: 
Keyword: 
wireless LAN, 
 Summary | Full Text:PDF
TCP-TFEC: TCP Congestion Control based on Redundancy Setting Method for FEC over Wireless LAN
Fumiya TESHIMA Hiroyasu OBATA Ryo HAMAMOTO Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/12/01
Vol. E100-D  No. 12  pp. 2818-2827
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Wireless networks
Keyword: 
wireless LAN, Forward Error Correction, TCP congestion control, Throughput, Streaming, 
 Summary | Full Text:PDF
A Priority Control Method for Media Access Control Method SP-MAC to Improve Throughput of Bidirectional Flows
Ryoma ANDO Ryo HAMAMOTO Hiroyasu OBATA Chisa TAKANO Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2017/05/01
Vol. E100-D  No. 5  pp. 984-993
Type of Manuscript:  Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet)
Category: 
Keyword: 
wireless LAN, media access control, synchronization phenomena of coupled oscillators, Kuramoto-model, priority, 
 Summary | Full Text:PDF
Improvement of Throughput Prediction Scheme Considering Terminal Distribution in Multi-Rate WLAN Considering Both CSMA/CA and Frame Collision
Ryo HAMAMOTO Chisa TAKANO Hiroyasu OBATA Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/12/01
Vol. E99-D  No. 12  pp. 2923-2933
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Wireless system
Keyword: 
wireless LAN, access point, multi-rate, throughput prediction, network design, 
 Summary | Full Text:PDF
Proposal for Designing Method of Radio Transmission Range to Improve Both Power Saving and Communication Reachability Based on Target Problem
Ryo HAMAMOTO Chisa TAKANO Hiroyasu OBATA Masaki AIDA Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/11/01
Vol. E99-B  No. 11  pp. 2271-2279
Type of Manuscript:  Special Section PAPER (Special Section on Deepening and Expanding of Information Network Science)
Category: 
Keyword: 
ad hoc network, power saving, reachability, target problem, topology management, 
 Summary | Full Text:PDF
A Proposal of Access Point Selection Method Based on Cooperative Movement of Both Access Points and Users
Ryo HAMAMOTO Tutomu MURASE Chisa TAKANO Hiroyasu OBATA Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/12/01
Vol. E98-D  No. 12  pp. 2048-2059
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Wireless System
Keyword: 
mobile AP, AP selection, throughput, AP cooperative, moving, 
 Summary | Full Text:PDF
SP-MAC: A Media Access Control Method Based on the Synchronization Phenomena of Coupled Oscillators over WLAN
Hiroyasu OBATA Ryo HAMAMOTO Chisa TAKANO Kenji ISHIDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/12/01
Vol. E98-D  No. 12  pp. 2060-2070
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Wireless System
Keyword: 
wireless LAN, SP-MAC, synchronization phenomena of coupled oscillators, Kuramoto model, media access control, 
 Summary | Full Text:PDF
Evaluation of TCP Performance by Using High-Speed Communication Satellite WINDS and Large Earth Terminal
Hiroyasu OBATA Kenji ISHIDA Chisa TAKANO Junichi FUNASAKA Masaaki BESSHO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3370-3373
Type of Manuscript:  LETTER
Category: Satellite Communications
Keyword: 
WINDS, TCP Performance, Large Earth Terminal, 
 Summary | Full Text:PDF
TCP-STAR: TCP Congestion Control Method for Satellite Internet
Hiroyasu OBATA Kenji ISHIDA Satoru TAKEUCHI Shouta HANASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/06/01
Vol. E89-B  No. 6  pp. 1766-1773
Type of Manuscript:  PAPER
Category: Network
Keyword: 
TCP congestion control method, satellite Internet, throughput, 
 Summary | Full Text:PDF
Data Transfer Time by HTTP 1.0/1.1 on Asymmetric Networks Composed of Satellite and Terrestrial Links
Hiroyasu OBATA Kenji ISHIDA Junichi FUNASAKA Kitsutaro AMANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2895-2903
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
web data transfer time, asymmetric networks, satellite links, terrestrial links, pipeline, 
 Summary | Full Text:PDF
Evaluation of TCP Performance on Asymmetric Networks Using Satellite and Terrestrial Links
Hiroyasu OBATA Kenji ISHIDA Junichi FUNASAKA Kitsutaro AMANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/06/01
Vol. E84-B  No. 6  pp. 1480-1487
Type of Manuscript:  Special Section PAPER (Special Issue on New Developments on QoS Technologies for Information Networks)
Category: 
Keyword: 
TCP performance, asymmetric networks, satellite links, terrestrial links, Internet, 
 Summary | Full Text:PDF