Kouji HIRATA


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 centerQCNcongestion controlfairness
 Summary | Full Text:PDF(2.3MB)

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 opticsoptical signal processingoptical switchingquasi-phase matchingperiodically poled lithium niobate
 Summary | Full Text:PDF(753KB)

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 switchingWDMwavelength assignmentburst scheduling
 Summary | Full Text:PDF(1015KB)