Takafumi TANAKA


Rapid Restoration Sequence of Fiber Links and Communication Paths from Catastrophic Failures
Akihiro KADOHATA Takafumi TANAKA Wataru IMAJUKU Fumikazu INUZUKA Atsushi WATANABE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1510-1517
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category: 
Keyword: 
disaster restorationcatastrophic failurespanning-treelinear programming
 Summary | Full Text:PDF(2.2MB)

Differential Reliability Path Accommodation Design and Reconfiguration in Virtualized Multi-Layer Transport Network
Akihiro KADOHATA Takafumi TANAKA Atsushi WATANABE Akira HIRANO Hiroshi HASEGAWA Ken-ichi SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/11/01
Vol. E98-B  No. 11  pp. 2151-2159
Type of Manuscript:  Special Section PAPER (Special Section on Network Systems for Virtualized Environment)
Category: 
Keyword: 
multi-layer transport networknetwork virtualizationrobustness and reconfiguration
 Summary | Full Text:PDF(2.8MB)

Recent Advances in Elastic Optical Networking
Takafumi TANAKA Masahiko JINNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Vol. E97-B  No. 7  pp. 1252-1258
Type of Manuscript:  INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
elastic optical networknetwork designrouting and spectrum assignmentelastic transponder
 Summary | Full Text:PDF(819.5KB)

Distance-Adaptive Path Allocation in Elastic Optical Path Networks
Bartlomiej KOZICKI Hidehiko TAKARA Takafumi TANAKA Yoshiaki SONE Akira HIRANO Kazushige YONENAGA Masahiko JINNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1823-1830
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
all-optical networksfiber optics links and subsystemsadaptive modulationquadrature-amplitude modulationquadrature phase-shift keying
 Summary | Full Text:PDF(2.6MB)