Nagoya University Sato/Hasegawa Laboratory

1. H. Hasegawa, T.Ohtsuka, I. Yamada, and K. Sakaniwa, ``An Edge-Preserving Super-Precision for Simultaneous Enhancement of Spacial and Grayscale Resolutions,'' vol. E91-A, No.2, pp.-, Feb. 2008.
2. K. Kanie, H. Hasegawa, and K. Sato, "Quasi-Dynamic Network Design Considering Different Service Contract Terms," IEEE J-SAC, OCN, vol. 26, No. 3, April 2008, pp 47-53.
3. S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, and S. Kamei, "Optical cross-connect switch architectures for hierarchical optical path networks," IEICE Trans. Commun., vol. E91-B, No. 10, October 2008, pp. 3174-3184.
4. I. Yagyuu, H. Hasegawa, and K. Sato, "An efficient hierarchical optical path network design algorithm based on traffic demand expression in a Cartesian produce space," IEEE Journal of Selected Areas in Communications (J-SAC), Supplement on Optical Communications and Networking (OCN), vol. 26, No. 6, August 2008, pp. 22-31.

1. O. Moriwaki, K. Suzuki, H. Takahashi, K. Sato, and S. Kakehashi, "8x8 wavelength router with transmission channel reallocation capability," OFC 2008, OWC5, San Diego, February 2008.
2. S. Kakehashi, H. Hasegawa, K. Sato, O. Moriwaki, "Interleaved waveband MUX/DEMUX developed on single arrayed-waveguide grating," OFC 2008, OThE1, San Diego, February 2008.
3. Y. Yamada, H. Hasegawa, K. Sato, "Cost comparisons for hierarchical and single-layer optical path networks considering waveband and wavelength path protection," OFC 2008, OThI4, San Diego, February 2008.
4. K. Sato, "Key enabling photonic network technologies for future networks," The 17th Wireless and Optical Communications Conference, WOOC 2008, Taichung, Taiwan, April 23-24, 2008, pp. 81-82.
5. S. Mitsui, H. Hasegawa and K. Sato, "Hierarchical optical path cross-connect node architecture using WSS/WBSS," Photonics Switching 2008, S-04-1, Hokkaido, Japan, August 4-7, 2008.
6. K. Sato, "Future directions of networking technologies," FISC 2008/AsiaFI (Future Internet Summer Camp 2008/First Asia Future Internet (AsiaFI) School on Architecture and Building Blocks), Jeju, Korea, August 25-29, 2008.
7. T. Yamamoto, H. Hasegawa, and K. Sato," Network segmentation and design algorithm for large-scale optical path networks based on traffic distribution information," ECOC 2008, We.2.B.6, Brussels, September 22-25, 2008.
8. K. Ishii, H. Hasegawa, K. Sato Kamei, H. Takahashi, and M. Okuno, "Monolithically Integrated Waveband Selective Switch Using Cyclic AWGs," ECOC 2008, Mo.4.C.5, Brussels, September 22-25, 2008.
9. Y. Morita, H. Hasegawa, K. Sato, Y. Sone, K. Yamada, M. Jinno, "Optical Multicast Tree Construction Algorithm Considering SNR Constraint and 3R Regeneration," ECOC 2008, We.3.A.4, Brussels, September 22-25, 2008.
10. K. Sato, "The future of optical networks," ECOC 2008, We.3.A.1, Brussels, September 22-25, 2008.
11. K. Obara, H. Hasegawa, K. Sato, "Optical Path Dynamic Routing Algorithm based on Traffic Prediction," APOC 2008 (Asia-Pacific Optical Communications), SPIE Conference 7137, Session 9a, Hangzhou, China, October 26-30, 2008.
12. Y. Yamada, H. Hasegawa and K. Sato, "Evaluation of network parameter dependencies of hierarchical optical path network cost considering waveband protection," COIN 2008, Akihabara, Tokyo, October 14-16, 2008.
13. L. H. Chau, H. Hasegawa and K. Sato, "Hierarchical optical path network design algorithm considering waveband add/drop ratio constraint," COIN 2008, Akihabara, Tokyo, October 14-16, 2008.
14. M. Nakagawa, H. Hasegawa and K. Sato, "Performance evaluation of dynamic network design for provisioning of broadband connection services," COIN 2008, Akihabara, Tokyo, October 14-16, 2008.
15. K. Sato, "Advances in photonic networking technology and its impact on future networks," APOC 2008 (Asia-Pacific Optical Communications), SPIE Conference 7137, Session 8a, Hangzhou, China, October 26-30, 2008.

1. Moriwaki, K. Suzuki, H. Takahashi, K. Sato, S. Kakehashi, “AWG Wavelength Router with wavelength channel assignment flexibility,” IEICE General Conference 2008, B-12-2, March 19, 2008, Kyusyu, Japan. (in Japanese)
2. Y. Morita, H. Hasegawa, K. Sato, Y. Sone, “Multicast tree construction algorithm considering SRN constraint,” IEICE General Conference 2008, B-7-72, March 18-21, 2008, Kyusyu, Japan. (in Japanese)
3. T. Yoshikawa, H. Hasegawa, K. Sato, “An optical buffer assignment algorithm for OBS networks with centralized control,” IEICE General Conference 2008, B-7-74, March 18-21, 2008, Kyusyu, Japan. (in Japanese)
4. K. Asai, H. Ichihara, A. Takada, and K. Sato, “Optical path operation using high performance Photonic Nodes,” IEICE General Conference 2008, B-8-7, March 18-21, 2008, Kyusyu, Japan. (in Japanese)
5. K. Obara, H. Hasegawa, K. Sato, “A Dynamic routing algorithm for photonic networks based on traffic prediction,” IEICE General Conference 2008, B-7-4, March 18-21, 2008, Kyusyu, Japan.
6. L. H. Chau, H. Hasegawa, K. Sato, “Hierarchical optical path network design algorithm considering restriction on waveband add/drop ratio,” IEICE General Conference 2008, B-12-21, March 18-21, 2008, Kyusyu, Japan.
7. T. Yoshikawa, H. Hasegawa, K. Sato, and O. Moriwaki, “Interleaved waveband MUX/DEMUX developed on single Arrayed-Waveguide Gratings,” IEICE General Conference 2008, B-12-1, March 18-21, 2008, Kyusyu, Japan. (in Japanese)
8. S. Nitsui, H. Hasegawa, K. Sato, “An evaluation of architecture and optical switch scale for hierarchical optical path,” IEICE General Conference 2008, B-12-22, March 18-21, 2008, Kyusyu, Japan. (in Japanese)
9. Y. Yamada, H. Hasegawa, K. Sato, “Cost analysis of waveband-protected hierarchical optical path networks considering network size and waveband capacity,” IEICE Society Conference 2008, B-12-3, September 16-19, 2008, Tokyo, Japan. (in Japanese)
10. K. Sato, "Issues of Electrical Power Consumption in Future Networks," IEICE Society Conference 2008, CS-6-1, September 16-19, 2008, Tokyo, Japan. (Invite, CREST)
11. M. Okada, H. Hasegawa, K. Sato, “Development of design and administration system for GMPLS-controlled large-scale hierarchical optical path networks,” IEICE Society Conference 2008, B-7-66, September 16-19, 2008, Tokyo, Japan. (in Japanese)
12. L. H. Chau, H. Hasegawa, K. Sato, "Selection of Waveband Add/Drop Ratio Bound for Hierarchical Optical Path Network Design," IEICE Society Conference 2008, B-12-4, September 16-19, 2008, Tokyo, Japan. (NICT)
13. M. Hirano, H. Hasegawa, K. Sato, “Estimation of time-varying traffic matrix based on generalized gravity model and limited traffic measurement,” IEICE Society Conference 2008, B-7-29, September 16-19, 2008, Tokyo, Japan. (in Japanese)
14. K. Akii, H. Hasegawa, K. Sato, “Optical path network design algorithm employing shared protection with recursive path accommodation,” IEICE Society Conference 2008, B-7-65, September 16-19, 2008, Tokyo, Japan. (in Japanese)
15. Y. Yamada, H. Hasegawa, and K. Sato, "Hierarchical Optical Path Network Design Considering Waveband Protection," IEICE Technical Report, vol. 107, No. 544, PN2007-91, pp. 99-104, March 2008．(in Japanese)
16. Y. Yamada, H. Hasegawa, and K. Sato, "Hierarchical Optical Path Network Design Considering Waveband Protection," IEICE Technical Report, vol. 107, No. 544, PN2007-91, pp. 99-104, March 2008.
17. K. Ishii, H. Hasegawa, and K. Sato, "Optical switch scale reduction of the concatenated ring network connection node," IEICE Technical Report, Student Workshop, pp. 9-11, March 2008．(in Japanese)
18. Y. Yamada, H. Hasegawa, and K. Sato, "Advances in hierarchical optical path network design," IEICE Technical Report, Student Workshop, pp. 13-15, March 2008．(in Japanese)
19. K. Ishii, H. Hasegawa, and K. Sato, "Wavelength assignment for concatenated ROADM ring networks and switch scale reduction of connecting node," IEICE Technical Report, vol. 108, No. 84, PN2008-3, pp. 13-18, June 2008．(in Japanese)
20. K. Ishii, H. Hasegawa, and K. Sato, "Wavelength assignment for concatenated ROADM ring networks and switch scale reduction of connecting node," IEICE Technical Report, PN2008-3, pp. 13-18, June 2008.