Kouji HIRATA

System Design for Traveling Maintenance in Wide-Area Telecommunication Networks
Kouji HIRATA Hiroshi YAMAMOTO Shohei KAMAMURA Toshiyuki OKA Yoshihiko UEMATSU Hideki MAEDA Miki YAMAMOTO 
Publication:   
Publication Date: 2020/04/01
Vol. E103-B  No. 4  pp. 363-374
Type of Manuscript:  Special Section PAPER (Special Section on Network Resource Control and Management Technologies for Sustainable Social Information Infrastructure)
Category: 
Keyword: 
traveling maintenance, failure recovery, shared backup resource, optimization, 
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Flow-Based Routing for Flow Entry Aggregation in Software-Defined Networking
Koichi YOSHIOKA Kouji HIRATA Miki YAMAMOTO 
Publication:   
Publication Date: 2018/01/01
Vol. E101-B  No. 1  pp. 49-57
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technologies to Accelerate Smart Society)
Category: 
Keyword: 
software-defined networking, flow entry, routing, optimization, 
 Summary | Full Text:PDF
Fairness Improvement of Multiple-Bottleneck Flow in Data Center Networks
Kenta MATSUSHIMA Kouji HIRATA Miki YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/07/01
Vol. E99-B  No. 7  pp. 1445-1454
Type of Manuscript:  PAPER
Category: Network
Keyword: 
data center, QCN, congestion control, fairness, 
 Summary | Full Text:PDF
Numerical Analyses of All-Optical Retiming Switches Using Cascade of Second Harmonic Generation and Difference Frequency Mixing in Periodically Poled Lithium Niobate Waveguides
Yutaka FUKUCHI Kouji HIRATA Joji MAEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1143-1149
Type of Manuscript:  PAPER
Category: Lasers, Quantum Electronics
Keyword: 
nonlinear optics, optical signal processing, optical switching, quasi-phase matching, periodically poled lithium niobate, 
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Contention-Free λ-Planes in Optically Burst-Switched WDM Networks
Kouji HIRATA Takahiro MATSUDA Hiroshi NAGAMOCHI Tetsuya TAKINE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2524-2531
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
optical burst switching, WDM, wavelength assignment, burst scheduling, 
 Summary | Full Text:PDF