Papers - HASEGAWA, Hiroshi
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周波数資源の逐次最小化に基づく共有プロテクション型エラスティック光パスネットワーク設計法
小坂 駿, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-22 2012.3
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波長リソースおよびファイバ使用率の繰り返し最適化に基づく共有型光パスプロテクションネットワーク設計法
佐藤 正和, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-21 2012.3
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経路優先度事前計算に基づく準集中制御型経路波長割当法の性能評価
大野 寛明, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-20 2012.3
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小規模光クロスコネクトのスタック構成を用いた大容量フォトニックノード
岩井 祐斗, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-9 2012.3
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事前予約情報に基づく階層化パスネットワークの動的制御
遠藤 慎也, 長谷川 浩, 佐藤 健一
電子情報通信情報学会2012年総合大会 page： B-12-8 2012.3
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Impairment-Aware Routing and Waveband Assignment for Efficient Optical Transport Networks Reviewed
Amornrat Jirattigalachote, Yoshiyuki Yamada, Cicek Cavdar, Paolo Monti, Lena Wosinska, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OW3A.2 2012.3
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Compact Wavelength Tunable Filter Fabricated on a PLC Chip That Construct Colorless/Directionless/Contentionless Drop Function in Optical Cross-Connect Reviewed
Tomonobu Niwa, Ryosuke Hirako, Hiroshi Hasegawa, Ken-ichi Sato, Masayuki Okuno, Toshio Watanabe
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OTh3D.6 2012.3
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Evaluations of Different Optical Path Add/Drop Ratio Restriction Schemes on OXC Hardware Scale and Network Resource Requirement Reviewed
Fumisato Naruse, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： OTh1A.5 2012.3
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Colorless/Directionless/Contentionless Optical Add/Drop Architecture Applying Waveband Technologies and Colorless MUX/DEMUX Reviewed
Yoshiyuki Yamada, Ryosuke Hirako, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： JTh2A.44 2012.3
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A Novel Optical Networking Scheme Utilizing Coarse Granular Optical Routing and Fine Granular Add/Drop Reviewed
Yuki Taniguchi, Yoshiyuki Yamada, Hiroshi Hasegawa, Ken-ichi Sato
Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference (OFC/NFOEC2012) page： JW2A.2 2012.3
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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