Tutomu MURASE


Energy-Efficient Mobile Video Delivery Utilizing Moving Route Navigation and Video Playout Buffer Control
Kenji KANAI Sakiko TAKENAKA Jiro KATTO Tutomu MURASE 
Publication:   
Publication Date: 2018/07/01
Vol. E101-B  No. 7  pp. 1635-1644
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality in Wireless Networks)
Category: 
Keyword: 
mobile networkmobile video deliverymoving route navigationplayout buffer controlenergy saving
 Summary | Full Text:PDF(2.8MB)

Throughput Analysis of WLANs in Saturation and Non-Saturation Heterogeneous Conditions with Airtime Concept
Yin WAN Kosuke SANADA Nobuyoshi KOMURO Gen MOTOYOSHI Norio YAMAGAKI Shigeo SHIODA Shiro SAKATA Tutomu MURASE Hiroo SEKIYA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/11/01
Vol. E99-B  No. 11  pp. 2289-2296
Type of Manuscript:  Special Section PAPER (Special Section on Deepening and Expanding of Information Network Science)
Category: 
Keyword: 
WLANthroughputanalysisframe lengthoffered loadheterogeneous conditions
 Summary | Full Text:PDF(1.9MB)

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 APAP selectionthroughputAP cooperativemoving
 Summary | Full Text:PDF(2MB)

Pseudo Polynomial Time Algorithms for Optimal Longcut Route Selection
Yuichi SUDO Toshimitsu MASUZAWA Gen MOTOYOSHI Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/03/01
Vol. E98-D  No. 3  pp. 607-616
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
longcut routeroute selectionNP-hardnesspseudo polynomial time algorithm
 Summary | Full Text:PDF(805.5KB)

Flow Control Scheme Using Adaptive Receiving Opportunity Control for Wireless Multi-Hop Networks
Atsushi TAKAHASHI Nobuyoshi KOMURO Shiro SAKATA Shigeo SHIODA Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2751-2758
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Ad Hoc and Wireless Mesh Networks)
Category: 
Keyword: 
quality of servicewireless LANadmission controlmulti-hop networks
 Summary | Full Text:PDF(1.5MB)

Route Instruction Mechanism for Mobile Users Leveraging Distributed Wireless Resources
Takeshi KAKEHI Ryoichi SHINKUMA Tutomu MURASE Gen MOTOYOSHI Kyoko YAMORI Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 1965-1973
Type of Manuscript:  Special Section PAPER (Special Section on Towards Management for Future Networks and Services)
Category: 
Keyword: 
wireless bandwidthroute instructiontraffic balancingsystem modeling
 Summary | Full Text:PDF(2.2MB)

Novel Access-Point Selection for User QoS and System Optimization Based on User Cooperative Moving
Sumiko MIYATA Tutomu MURASE Katsunori YAMAOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 1953-1964
Type of Manuscript:  Special Section PAPER (Special Section on Towards Management for Future Networks and Services)
Category: 
Keyword: 
AP selectionuser QoSsystem optimizationthroughputcooperative usermoving
 Summary | Full Text:PDF(4.1MB)

Fully Distributed Self-Organization of Shortest Spanning Tree and Optimal Sink Node Position for Large-Scale Wireless Sensor Network
Kazunori MIYOSHI Masahiro JIBIKI Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/02/01
Vol. E95-B  No. 2  pp. 449-459
Type of Manuscript:  PAPER
Category: Network
Keyword: 
self-organizing controldistributed controlwireless networksensor network
 Summary | Full Text:PDF(7MB)

MAC-Frame Receiving-Opportunity Control for Flow QoS in Wireless LANs
Tutomu MURASE Kosuke UCHIYAMA Yumi HIRANO Shigeo SHIODA Shiro SAKATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Vol. E92-B  No. 1  pp. 102-113
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Dependable Networks)
Category: 
Keyword: 
QoSfairnessflowwirelesswireless LANMACthroughputpseudo ACK802.11
 Summary | Full Text:PDF(1.3MB)

Estimating TCP Packet Loss Ratio from Sampled ACK Packets
Yasuhiro YAMASAKI Hideyuki SHIMONISHI Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2  pp. 418-427
Type of Manuscript:  PAPER
Category: Network
Keyword: 
TCPpacket loss ratiosampled packetsmeasurement
 Summary | Full Text:PDF(1.2MB)

Overlay Network Technologies for QoS Control
Tutomu MURASE Hideyuki SHIMONISHI Masayuki MURATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/09/01
Vol. E89-B  No. 9  pp. 2280-2291
Type of Manuscript:  INVITED PAPER (Special Section on Networking Technologies for Overlay Networks)
Category: 
Keyword: 
overlay networkQoSqualityroutingsessiontransportTCP/IPrelay
 Summary | Full Text:PDF(1.6MB)

TCP-Westwood Low-Priority for Overlay QoS Mechanism
Hideyuki SHIMONISHI Takayuki HAMA M.Y. SANADIDI Mario GERLA Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/09/01
Vol. E89-B  No. 9  pp. 2414-2423
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Overlay Networks)
Category: 
Keyword: 
overlayQoSpriorityTCPTCP-westwood
 Summary | Full Text:PDF(988.3KB)

Hierarchically Aggregated Fair Queueing (HAFQ) for Per-Flow Fair Bandwidth Allocation
Ichinoshin MAKI Hideyuki SHIMONISHI Tutomu MURASE Masayuki MURATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/02/01
Vol. E89-B  No. 2  pp. 427-435
Type of Manuscript:  PAPER
Category: Switching for Communications
Keyword: 
fairnesspacket schedulerscalabilitynetwork processor
 Summary | Full Text:PDF(1.1MB)

Efficient Support for Pipelined Requests in Content-Based Switches Using Asymmetric TCP Splicing
Masayoshi KOBAYASHI Tutomu MURASE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1812-1820
Type of Manuscript:  Special Section PAPER (Special Issue on Content Delivery Networks)
Category: Content Routing and Server Selection
Keyword: 
content-based switchlayer 7 switchTCP splicingWorld Wide Web
 Summary | Full Text:PDF(772.6KB)