論文 - 長谷川 浩
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Shared protected grouped optical path routing network design employing iterative path group relocation 査読有り
T. Isikawa, Y. Mori, H. Hasegawa, and K. Sato
2015 7th International Workshop on Reliable Networks Design and Modeling (RNDM2015) 頁： 78 - 84 2015年10月
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Pre-Adjustment Rerouting for Wavelength Defragmentation in Optical Transparent WDM Networks
Akihiro Kadohata, Atsushi Watanabe, Akira Hirano, Hiroshi Hasegawa, and Ken-ichi Sato
IEICE Transactions on Communications E98-B 巻 ( 10 ) 頁： 2014-2021 2015年10月
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Large-Scale Optical-Switch Prototypes Utilizing Cyclic Arrayed-Waveguide Gratings for Datacenters 査読有り
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
IEEE Journal of Lightwave Technology ( 99 ) 頁： 1 2015年10月
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Novel network control scheme that can substantially reduce link and node costs simultaneously 査読有り
Y. Terada, Y. Mori, H. Hasegawa, and K. Sato
2015 European Conference on Optical Communication (ECOC2015) 頁： 1-3 2015年9月
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Large-scale optical switch with simplified sub-switch connections for datacenter application 査読有り
K. Ueda, Y. Mori, H. Hasegawa, K. Sato, and T. Watanabe
2015 International Conference on Photonics in Switching (PS2015) 頁： 351-353 2015年9月
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Cost Effective and Resilient Optical Network that Offers Seamless Network Expansion via Subsystem Modular OXCs and Inter-node Interconnection Optimization 査読有り
K. Sato, Y. Mori, H. Hasegawa, K. Sato
2015 International Conference on Photonics in Switching (PS2015) 頁： WeIII3-3 2015年9月
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Highly scalable and compact ROADM architecture that exploits MxN wavelength-selective switches 査読有り
M. Niwa, Y. Mori, H. Hasegawa, and K. Sato
2015 International Conference on Photonics in Switching (PS2015) 頁： 127 - 129 2015年9月
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Evaluation of frequency utilization enhancement with transmission-characteristics-aware grouped optical path routing 査読有り
Y. Terada, Y. Mori, H. Hasegawa, K. Sato, and T. Tanaka
2015 International Conference on Photonics in Switching (PS2015) 頁： 256 - 258 2015年9月
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Impairment-aware optical multicast tree design with modulation format optimization 査読有り
S. Deb, H. Hasegawa, Y. Mori, and K. Sato
2015 International Conference on Photonics in Switching (PS2015) 頁： 250 - 252 2015年9月
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Comparison of OXC Node Architectures for WDM and Flex-Grid Optical Networks 招待有り 査読有り
J. Wu, S. Suburamaniam, and H. Hasegawa
24th International Conference on Computer Communication and Networks (ICCCN2015) 頁： 1-8 2015年8月
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Grouped Routing仮想光リンクを導入した大規模光パスネットワークの動的コントロール
伊東優作・森洋二郎・長谷川浩・佐藤健一
信学技報 115 巻 ( 204 ) 頁： 49-53 2015年8月
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機械学習制御に基づくルータの低消費電力化
川瀬弘嗣・森洋二郎・長谷川浩・佐藤健一
信学技報 115 巻 ( 204 ) 頁： 31-35 2015年8月
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Wavelength Path Signalling for WSS/WBSS Combined Optical Switches in Hierarchical Optical Networks 査読有り
T. Miyazawa, T. Hirayama, H. Harai, K. Ueda, Y. Mori, H. Hasegawa, K. Sato
ICTON2015 頁： - 2015年7月
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Path Accommodation Design and Reconfiguration for Different Reliability Classes in Virtualized Multi-layer Transport Network 査読有り
A. Kadohata, T. Tanaka, A. Watanabe, A. Hirano, H. Hasegawa, and K. Sato
OECC2015 頁： JTuB.24 2015年6月
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Experimental Demonstration of Multi-Granular Optical-Path Network Utilizing Wavelength/Waveband-Selective Switches 査読有り
K. Ueda, M. Niwa, Y. Mori, H. Hasegawa, K. Sato, T. Miyazawa and H. Harai
OECC2015 頁： JThB.15 2015年6月
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OFC2015報告：光ネットワーク関連 招待有り
長谷川 浩・森 洋二郎・佐藤 健一
信学技報 ( OCS2015-3/OPE2015-3 ) 頁： 9-12 2015年6月
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Experimental verification of highly scalable OXC that consists of subsystem-modular express-switch part and multicast-switch-based add/drop part enabling total throughput of 314 Tbps 査読有り
Shoichi Takashina, Hiroto Ishida, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
OSA Optics Express 23 巻 ( 11 ) 頁： 14796-14805 2015年6月
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Experimental verification of highly scalable OXC that consists of subsystem-modular express-switch part and multicast-switch-based add/drop part enabling total throughput of 314 Tbps 査読有り
Shoichi Takashina, Hiroto Ishida, Masaki Niwa, Yojiro Mori, Hiroshi Hasegawa, Ken-ichi Sato, and Toshio Watanabe
OSA Optics Express 23 巻 ( 11 ) 頁： 14796-14805 2015年6月
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Hardware Scale and Performance Evaluation of Compact Sub-system Modular OXC that Adopts Tailored Add/Drop Architecture 査読有り
Hiroto Ishida, Hiroshi Hasegawa, and Ken-ichi Sato
IEEE/OSA Journal of Optical Communications and Networking 7 巻 ( 6 ) 頁： 586-595 2015年6月
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Flexible Waveband Routing Optical Networks 査読有り
H. Hasegawa, S. Subramaniam, and K. Sato
ICC2015 頁： ONS 2015年6月