Kohei NAKAI

Experimental 5-Tb/s Packet-by-Packet Wavelength Switching System Using 2.5 -Gb/s 8-λ WDM Links
Kimihiro YAMAKOSHI Nobuaki MATSUURA Kohei NAKAI Eiji OKI Naoaki YAMANAKA Takaharu OHYAMA Yuji AKAHORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/07/01
Vol. E85-B  No. 7  pp. 1293-1301
Type of Manuscript:  PAPER
Category: Switching
Keyword: 
packet, switch, WDM, AWG, 
 Summary | Full Text:PDF(2.1MB)
A Large-Capacity Service Control Node Architecture Using Multicasting Access to Decentralized Databases in the Advanced Intelligent Network
Etsuo MASUDA Takeshi MISHIMA Naoki TAKAYA Kohei NAKAI Masanori HIRANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/10/01
Vol. E84-B  No. 10  pp. 2768-2780
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Autonomous Decentralized Systems and Systems' Assurance)
Category: Issues
Keyword: 
autonomous distribution, multicast, distributed database, SCP, intelligent network, 
 Summary | Full Text:PDF(614.9KB)
A Distributed Traffic Control Scheme for Large-Scale Multi-Stage ATM Switching Systems
Kohei NAKAI Eiji OKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/02/25
Vol. E83-B  No. 2  pp. 231-237
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Recent Progress in ATM Technologies)
Category: ATM Switch and System Development
Keyword: 
ATM, switch, multi-stage, large-scale, distributed control, 
 Summary | Full Text:PDF(651.5KB)
Scalable 3-Stage ATM Switch Architecture Using Optical WDM Grouped Links Based on Dynamic Bandwidth Sharing
Kohei NAKAI Eiji OKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Vol. E82-B  No. 2  pp. 265-270
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Packet and ATM Switching
Keyword: 
ATM, switch, WDM, bandwidth sharing, scaleability, 
 Summary | Full Text:PDF(562KB)
Scalable 3-Stage ATM Switch Architecture Using Optical WDM Grouped Links Based on Dynamic Bandwidth Sharing
Kohei NAKAI Eiji OKI Naoaki YAMANAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/02/25
Vol. E82-C  No. 2  pp. 213-218
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Photonics in Switching: Systems and Devices)
Category: Packet and ATM Switching
Keyword: 
ATM, switch, WDM, bandwidth sharing, scaleability, 
 Summary | Full Text:PDF(562.2KB)