Satoru OKAMOTO


InP-Based Photodetectors Monolithically Integrated with 90° Hybrid toward Over 400Gb/s Coherent Transmission Systems
Hideki YAGI Takuya OKIMOTO Naoko INOUE Koji EBIHARA Kenji SAKURAI Munetaka KUROKAWA Satoru OKAMOTO Kazuhiko HORINO Tatsuya TAKEUCHI Kouichiro YAMAZAKI Yoshifumi NISHIMOTO Yasuo YAMASAKI Mitsuru EKAWA Masaru TAKECHI Yoshihiro YONEDA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-C  No. 4  pp. 347-356
Type of Manuscript:  INVITED PAPER (Special Section on Progress in Optical Device Technology for Increasing Data Transmission Capacity)
Category: 
Keyword: 
digital coherent transmissionInP90° hybridmultimode interference structurep-i-n photodiode
 Summary | Full Text:PDF

Dynamic Energy Efficient Virtual Link Resource Reallocation Approach for Network Virtualization Environment
Shanming ZHANG Takehiro SATO Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-B  No. 7  pp. 1675-1684
Type of Manuscript:  PAPER
Category: Network
Keyword: 
network virtualizationenergy efficientdata switching energyvirtual network resource allocation
 Summary | Full Text:PDF

Network Function Virtualization: A Survey
Malathi VEERARAGHAVAN Takehiro SATO Molly BUCHANAN Reza RAHIMI Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-B  No. 11  pp. 1978-1991
Type of Manuscript:  INVITED PAPER (Special Section on Network Virtualization, Network Softwarization, and Fusion Platform of Computing and Networking)
Category: 
Keyword: 
Network Function VirtualizationSoftware Defined NetworksSoftware switchesmiddleboxesorchestrators
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Optical Networking Paradigm: Past, Recent Trends and Future Directions
Eiji OKI Naoya WADA Satoru OKAMOTO Naoaki YAMANAKA Ken-ichi SATO 
Publication:   
Publication Date: 2017/09/01
Vol. E100-B  No. 9  pp. 1564-1580
Type of Manuscript:  INVITED SURVEY PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical networkspathtraffic engineeringpath computationoptical devisesoptical switchessoftware defined networking
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Adaptive Elastic Spectrum Allocation Based on Traffic Fluctuation Estimate under Time-Varying Traffic in Flexible OFDM-Based Optical Networks
Mirai CHINO Misato KAMIO Jun MATSUMOTO Eiji OKI Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   
Publication Date: 2017/06/01
Vol. E100-B  No. 6  pp. 962-973
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
elastic optical networksspectrum allocationoptical OFDMspectrum sharingtime-varying traffic
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Evaluation of Mobile Routing for Information-Centric Networking in Distributed M2M Communication Network
Daisuke MATSUBARA Hitoshi YABUSAKI Satoru OKAMOTO Naoaki YAMANAKA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/12/01
Vol. E99-B  No. 12  pp. 2498-2508
Type of Manuscript:  Special Section PAPER (Special Section on Information Centric Networking: Paradigms, Technologies, and Applications)
Category: 
Keyword: 
information-centric networkingM2Mmobility
 Summary | Full Text:PDF

Demonstration of SDN/OpenFlow-Based Path Control for Large-Scale Multi-Domain/Multi-Technology Optical Transport Networks
Shan GAO Xiaoyuan CAO Takehiro SATO Takaya MIYAZAWA Sota YOSHIDA Noboru YOSHIKANE Takehiro TSURITANI Hiroaki HARAI Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/07/01
Vol. E99-B  No. 7  pp. 1492-1500
Type of Manuscript:  PAPER
Category: Network
Keyword: 
software defined networking (SDN)OpenFlowmulti-domain and multi-technology optical transport networks
 Summary | Full Text:PDF

Proposal of Data-Centric Network for Mobile and Dynamic Machine-to-Machine Communication
Daisuke MATSUBARA Hitoshi YABUSAKI Satoru OKAMOTO Naoaki YAMANAKA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Vol. E96-B  No. 11  pp. 2795-2806
Type of Manuscript:  Special Section PAPER (Special Section on Progress in Information Network Science)
Category: 
Keyword: 
future networksM2Mmobilitydata-centric networkcontent-centric networkinformation-centric network
 Summary | Full Text:PDF

Experiment on Point-to-Multipoint VLAN Path Establishment on the Overlay-Model-Based GMPLS-Controlled Wide Area Ethernet
Kou KIKUTA Daisuke ISHII Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3302-3306
Type of Manuscript:  LETTER
Category: Network System
Keyword: 
Point-to-Multi-Point (P2MP)GMPLSRSVP-TEwide area Ethernetoverlay model
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Connection Setup Signaling Scheme with Flooding-Based Path Searching for Diverse-Metric Network
Ko KIKUTA Daisuke ISHII Satoru OKAMOTO Eiji OKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/08/01
Vol. E95-B  No. 8  pp. 2600-2609
Type of Manuscript:  PAPER
Category: Network
Keyword: 
GMPLSRSVP-TEOSPF-TERWA
 Summary | Full Text:PDF

Future Service Adaptive Access/Aggregation Network Architecture
Hiroki IKEDA Hidetoshi TAKESHITA Satoru OKAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 696-705
Type of Manuscript:  INVITED PAPER (Special Section on New/Next Generation Photonic Networking and Future Networks)
Category: 
Keyword: 
optical access networkpassive optical networknetwork servicenetwork topology
 Summary | Full Text:PDF

Scalable Active Optical Access Network Using Variable High-Speed PLZT Optical Switch/Splitter
Kunitaka ASHIZAWA Takehiro SATO Kazumasa TOKUHASHI Daisuke ISHII Satoru OKAMOTO Naoaki YAMANAKA Eiji OKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 730-739
Type of Manuscript:  Special Section PAPER (Special Section on New/Next Generation Photonic Networking and Future Networks)
Category: 
Keyword: 
active optical networkPLZTmulticast
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Performance Evaluation of TCP/IP over SCTP/IP Parallel Networking with Parallel Route Transmission
Shota YAMADA Daisuke ISHII Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2394-2396
Type of Manuscript:  LETTER
Category: Network
Keyword: 
SCTPparallel data transmissioncapsuling
 Summary | Full Text:PDF

FOREWORD
Satoru OKAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 867-867
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Highly Energy Efficient Layer-3 Network Architecture Based on Service Cloud and Optical Aggregation Network
Hidetoshi TAKESHITA Daisuke ISHII Satoru OKAMOTO Eiji OKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 894-903
Type of Manuscript:  Special Section PAPER (Special Section on Photonic Network Technologies in Terabit Network Era)
Category: 
Keyword: 
power consumptionservice cloudoptical aggregationcloud routerfuture network
 Summary | Full Text:PDF

Interoperability Experiment of VLAN Tag Swapped Ethernet and Transmitting High Definition Video through the Layer-2 LSP between Japan and Belgium
Sho SHIMIZU Wouter TAVERNIER Kou KIKUTA Masahiro NISHIDA Daisuke ISHII Satoru OKAMOTO Didier COLLE Mario PICKAVET Piet DEMEESTER Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/03/01
Vol. E93-B  No. 3  pp. 736-740
Type of Manuscript:  LETTER
Category: Network
Keyword: 
VLAN tag swappingEthernet label switchingGMPLSinteroperability
 Summary | Full Text:PDF

Multi-Domain VLAN Path Signaling Method Having Tag Swapping Function for GMPLS Controlled Wide Area Layer-2 Network
Kou KIKUTA Masahiro NISHIDA Daisuke ISHII Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4  pp. 1353-1356
Type of Manuscript:  LETTER
Category: Switching for Communications
Keyword: 
GMPLSRSVP-TElayer-2 switchVLAN
 Summary | Full Text:PDF

Frame Loss Evaluation of Optical Layer 10 Gigabit Ethernet Protection Switching Using PLZT Optical Switch System
Satoru OKAMOTO Sho SHIMIZU Yutaka ARAKAWA Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 1017-1019
Type of Manuscript:  LETTER
Category: Network
Keyword: 
10 gigabit Ethernetoptical switchprotection switchingframe loss
 Summary | Full Text:PDF

Performance Evaluation of Grid Computing with Parallel Routes Transmission
Hiroyuki MIYAGI Yusuke OKAZAKI Ryota USUI Yutaka ARAKAWA Satoru OKAMOTO Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/12/01
Vol. E91-B  No. 12  pp. 3882-3885
Type of Manuscript:  Special Section LETTER (Special Section on Peer to Peer Networking Technology)
Category: 
Keyword: 
grid computingparallel routes transmissionlink aggregationoptical networkparallel and distributed computing
 Summary | Full Text:PDF

Optical Networks Functional Evolution and Control Technologies
Peter SZEGEDI Tomasz GAJEWSKI Wataru IMAJUKU Satoru OKAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8  pp. 1944-1951
Type of Manuscript:  SURVEY PAPER
Category: Standard and Interoperability
Keyword: 
optical networkcontrol planeASONGMPLS
 Summary | Full Text:PDF

GMPLS Interoperability Tests in Kei-han-na Info-Communication Open Laboratory on JGN II Network
Satoru OKAMOTO Wataru IMAJUKU Tomohiro OTANI Itaru NISHIOKA Akira NAGATA Mikako NANBA Hideki OTSUKI Masatoshi SUZUKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8  pp. 1936-1943
Type of Manuscript:  SURVEY PAPER
Category: Standard and Interoperability
Keyword: 
photonic networkcontrol planeGMPLSinteroperabilityfield trial
 Summary | Full Text:PDF

Autonomously Controlled Multiprotocol Wavelength Switching Network for Internet Backbones
Yoshiaki YAMABAYASHI Masafumi KOGA Satoru OKAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/10/25
Vol. E83-B  No. 10  pp. 2210-2215
Type of Manuscript:  INVITED PAPER (Special Issue on Advanced Internetworking based on Photonic Network Technologies)
Category: 
Keyword: 
optical networksWDM network architecturemutiprotocol label switchingoptical cross-connects
 Summary | Full Text:PDF

Flexible OADM Architecture and Its Impact on WDM Ring Evolution for Robust and Large-Scale Optical Transport Networks
Naohide NAGATSU Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8  pp. 1105-1114
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical transport networkring networkglobal area networkoptical add/drop multiplexer (OADM)path protection
 Summary | Full Text:PDF

Flexible OADM Architecture and Its Impact on WDM Ring Evolution for Robust and Large-Scale Optical Transport Networks
Naohide NAGATSU Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/25
Vol. E82-C  No. 8  pp. 1371-1380
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical transport networkring networkglobal area networkoptical add/drop multiplexer (OADM)path protection
 Summary | Full Text:PDF

Robust IP Backbone Network Utilizing WDM Optical Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/25
Vol. E82-C  No. 8  pp. 1381-1386
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical communicationoptical pathInternet protocol
 Summary | Full Text:PDF

Robust IP Backbone Network Utilizing WDM Optical Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8  pp. 1115-1120
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Communication Networks
Keyword: 
optical communicationoptical pathInternet protocol
 Summary | Full Text:PDF

Design and Performance of Delivery and Coupling Switch Board for Large Scale Optical Path Cross-Connect System
Atsushi WATANABE Satoru OKAMOTO Masafumi KOGA Ken-ichi SATO Masayuki OKUNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6  pp. 1203-1212
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
optical communicationoptical path networkcross-connect systemoptical switch
 Summary | Full Text:PDF

Optical Path Cross-Connect Node Architecture Offering High Modularity for Virtual Wavelength Paths
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/05/25
Vol. E78-B  No. 5  pp. 686-693
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Signal Processing and Its Applications to Telecommunications)
Category: 
Keyword: 
photonic transport networkoptical pathwavelength division multiplexingcross-connectmodularity
 Summary | Full Text:PDF

Optical Path Cross-Connect Node Architecture with High Modularity for Photonic Transport Networks
Atsushi WATANABE Satoru OKAMOTO Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/10/25
Vol. E77-B  No. 10  pp. 1220-1229
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
photonic transport networkoptical pathwavelength division multiplexingcross-connectmodularity
 Summary | Full Text:PDF

A New Optical Path Cross-Connect System Architecture Utilizing Delivery and Coupling Matrix Switch
Satoru OKAMOTO Atsushi WATANABE Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/10/25
Vol. E77-B  No. 10  pp. 1272-1274
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
optical communicationoptical path networkcross-connect systemphotonic switching
 Summary | Full Text:PDF

Modular Expandable Multi-Stage ATM Cross-Connect System Architecture for ATM Broadband Networks
Satoru OKAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/03/25
Vol. E75-B  No. 3  pp. 207-216
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
ATM switchmulti-stage switching networkbuffered Banyan network
 Summary | Full Text:PDF