Papers - ITO Yoshihiro
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User-level QoS assessment with psychometric methods and QoS mapping "jointly worked" Reviewed
Y. Ito, S. Tasaka
Proceedings of International Conference on Computer, Communication and Control Technologies (CCCT'03) 3 127 - 131 2003.07
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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Psychometric analysis of the mutually compensatory property of multimedia QoS "jointly worked" Reviewed
S. Tasaka, Y. Ito
Conf. Rec. IEEE ICC2003 1880 - 1886 2003.05
Language：English Publishing type：Research paper (international conference proceedings)
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音声・ビデオ伝送におけるメディア同期を対象としたユーザレベルQoSの定量的測定及びマッピング Reviewed
伊藤嘉浩, 田坂修二
電子情報通信学会論文誌 J86-B ( 3 ) 485 - 498 2003.03
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
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Variably Weighted Round Robin Queueing for Core IP Routers Reviewed
Proceedings of IEEE International Performance, Computing, and Communications Conference (IPCCC 2002) 159 - 166 2002.04
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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Comparison of Multi-Window and SACK TCP over Wireless Links Reviewed
IEICE Transaction of Communications E84-B ( 11 ) 614 - 617 2001.09
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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A proposal for pseudo-traffic model for IP network evaluation Reviewed
Proceedings of the Internet Workshop 2001 (IWS'2001) 127 - 132 2001.02
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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Development of the flexible and general IP evaluation tool STAGE Reviewed
IEICE Transactions on Information and Systems E83-D ( 5 ) 1003 - 1011 2000.05
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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Rate-adaptive real-time multicast TV conference system with locally adaptive packet flow control
IEICE Transactions on Information and Systems E82-D ( 4 ) 815 - 821 1999.04
Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)
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A traffic measurement tool for IP-based networks Reviewed
IEICE Transactions on Information and Systems E82-D ( 4 ) 756 - 761 1999.04
Language：English Publishing type：Research paper (scientific journal)
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A method of service quality estimation with a network measurement tool Reviewed
Proceedings of 18th IEEE International Performance, Computing, and Communications Conference (IPCCC 1999) 201 - 209 1999.02
Language：English Publishing type：Research paper (international conference proceedings)
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ネットワーク特性評価ツールを用いたサービス品質推定法 （共著） Reviewed
前島治, 伊藤嘉浩, 石倉雅巳, 浅見徹
Proceedings of Internet Conference '98 1998.12
Language：Japanese Publishing type：Research paper (other academic)
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A Wide-band IP tunneling router with resource reservation Reviewed
Proceedings of the Internet Workshop '98 (IWS'98) 128 - 134 1998.03
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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Bandwidth-guaranteed IP tunneling router with RSVP "jointly worked" Reviewed
Y. Ito, M. Ishikura O. Maeshim, T. Asami
Proceedings of IEEE International Performance, Computing, and Communications Conference (IPCCC 1998) 291 - 29７ 1998.02
Authorship：Lead author Language：English Publishing type：Research paper (international conference proceedings)
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Multi connection TCP mechanism for high performance transport in an ATM network "jointly worked" Reviewed
M. Ishikura, Y. Ito, K. Yamazaki, T. Asami
Proceedings of the International IFIP-IEEE Conference on Broadband communications’96 443 - 454 1996.04
Language：English Publishing type：Research paper (international conference proceedings)
This paper proposes a new transport mechanism, multi-connection TCP, for high-speed and long delay networks. With to the appearance of ATM network services, wide area data comminication networks(WANs) are becoming faster and more world wide oriented. In this situation, the performance of window-based, flow-controlled and connection-oriented transport protocols, such as TCP, is degraded far from the optimum. The throughput of TCP is limited by its window size and round trip delay time(RTT), and the ideal throughput of TCP with 64Kbyte maximum window size over a trans-Pacific ocean link such as TCP-4 is only about 2.6Mbps for a 45Mbps DS3 line with 200ms RTT. In order to achieve high throughput of inter-LAN communications via a high speed, long delay WAN, such as B-ISDN, we propose a multiconnection TCP, and verify its performance by applying it to FTP. A multi-connection FTP can establish up to 16 connections simultaneously, and transfer the data in parallel. The experiment shows multi connection TCP (16 connections and 24Kbytes of each window size ) achieves about 8.5Mbps end-to-end throughput via an emulated OC3 155Mbps WAN with 200ms RTT.
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Physical Distance Measure that Simulates Human Visual Perception for 3D Objects "jointly worked" Reviewed
Y. Ito, Y. Sto
IEICE Transactions on Information and Systems J76-D-II ( 8 ) 1604 - 1611 1993.08
Authorship：Lead author Language：Japanese Publishing type：Research paper (scientific journal)
