Papers - HASEGAWA, Hiroshi
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Coarse Granular Routing Optical Networks for Future Optical Services Invited
H. Hasegawa and K. Sato
Proceedings of IWOO2011(6th International Workshop on OPS & OCDMA) page： 24 2011.12
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Impact of electrical grooming and regeneration of wavelength paths in creating hierarchical optical path networks Reviewed
H.C. Le, H. Hasegawa, and K. Sato
OSA Optics Express Vol. 19 ( 26 ) page： 882-894 2011.12
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Hybrid hierarchical optical path network design algorithms utilizing ILP optimization Invited Reviewed
L. H. Chau, H. Hasegawa, K. Sato
Elsevier, Optical Switching and Networking Vol. 8 ( 4 ) page： 226-234 2011.12
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A dynamic and quasi-centralized path control method employing traffic-prediction-based route pre-prioritization Invited Reviewed
H. Ohno, H. Hasegawa, K. Sato
Elsevier, Optical Switching and Networking Vol. 8 ( 4 ) page： 242-248 2011.12
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Efficient Iterative Design Algorithm for Enhancing Resource Utilization of Shared Protected Optical Path Networks Reviewed
Masakazu Sato, Hiroshi Hasegawa, Ken-Ichi Sato
2011 8th International Workshop on the Design of Reliable Communication Networks (DRCN2011) page： 102-109 2011.11
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Multi-domain path control system for large-scale photonic networks Reviewed
S. Araki, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
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Design algorithm of waveband multicast tree in hierarchical optical path networks that utilizes grouping of destination node sets Reviewed
Y. Hachisuka, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
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Design of hierarchical optical path networks that utilize wavelength conversion and evaluation of the allowable cost bound Reviewed
Z. Shen, H. Hasegawa, and K. Sato
ACP 2011 (Asia Communications and Photonics Conference and Exhibition 2011) page： CD-ROM 2011.11
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Compact Hierarchical Optical Cross-Connect Utilizing Newly Designed Waveband Selective Switch with Extra Ports for Grooming Reviewed
Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Hiroshi Takahashi, Masayuki Okuno
ECOC2011 page： Th.12.A.4 2011.9
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Impact of Electrical Grooming and Regeneration of Wavelength Paths in Creating Hierarchical Optical Path Networks Reviewed
Hai-Chau Le, Hiroshi Hasegawa, Ken-ichi Sato
ECOC2011 page： We.8.K.2 2011.9
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Disruption Minimized Spectrum Defragmentation in Elastic Optical Path Networks That Adopt Distance Adaptive Modulation Reviewed
Tatsumi Takagi, Hiroshi Hasegawa, Ken-ichi Sato, Yoshiaki Sone, Akira Hirano, Masahiko Jinno
ECOC2011 page： Mo.2.K.3, 2011.9
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Development of Hierarchical Optical Path Cross-Connect Systems Employing Wavelength/Waveband Selective Switches Reviewed
Kiyo Ishii, Shin-ichi Mitsui, Hiroshi Hasegawa, Ken-ichi Sato, Shin Kamei, Masayuki Okuno, and Hiroshi Takahashi
J. OPT. COMMUN. NETW. Vol. 3 ( 7 ) page： 559-567 2011.7
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Development of Single PLC-Chip Waveband Selective Switch that Has Extra Ports for Grooming and Termination Reviewed
R. Hirako, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno
OECC2011 page： 7E1_4 2011.7
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Development of Large Capacity Ultra-compact Waveband Cross-connect Reviewed
T. Ban, K. Ishii, H. Hasegawa, K. Sato, H. Takahashi, and M. Okuno
OECC2011 page： 6A1_2 2011.7
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効率的なグルーミング率制約を実現する階層型光クロスコネクトノードアーキテクチャ
平光亮介, 石井紀代, 長谷川浩, 佐藤健一, 高橋浩, 奥野将之
電子情報通信学会技術研究報告 フォトニックネットワーク研究会 Vol. 111 ( 93 ) page： PN2011-11, pp. 55-60 2011.6
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Compact matrix-switch-based hierarchical optical path cross-connect with colorless waveband add/drop ratio restriction Reviewed
R. Hirako, H. Hasegawa, K. Sato, and M. Okuno, and O. Moriwaki
IEICE Trans. Commun. Vol. E94-B ( 4 ) page： 918-927 2011.4
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平滑化とGeneralized Gravityによる交流トラフィック行列の推定法
白紅霞, 長谷川 浩, 佐藤健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 21-22 2011.3
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複数ファイバによりリンクが構成されるネットワークにおけるトラフィック分布予測情報を用いた適応的光パス制御法
大野寛明, 長谷川 浩, 佐藤健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 17-20 2011.3
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Novel Hierarchical Optical Cross-Connect Architecture Utilizing Dedicated Add/Drop Switches That Effectively Offer Colorless and Directionless Capability Reviewed
Y.Yamada, H.Hasegawa, and K.Sato
OFC/NFOEC 2011 page： OThR6 2011.3
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大粒度ルーティング光パスネットワークにおけるグルーミング率の分布解析
山田 祥之, 長谷川 浩, 佐藤 健一
電子情報通信学会 フォトニックネットワーク研究会学生ワークショップ page： 7-9 2011.3