Keizo SUGIYAMA


User-Centric Seamless Handover Scheme for Real-Time Applications in Heterogeneous Networks
Haruki IZUMIKAWA Tadayuki FUKUHARA Yoji KISHI Takashi MATSUNAKA Keizo SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 867-877
Type of Manuscript:  PAPER
Category: Network
Keyword: 
seamless handoveruser-centricheterogeneous networkreal-time communication
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Packet Switch and Its Impact on Dynamic Base Station Relocation in Mesh Networks Using Cognitive Radio
Tetsuro UEDA Kazunori TAKEUCHI Shoji KANEKO Shingo NOMURA Keizo SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 102-109
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Distributed Optimization
Keyword: 
cognitive radiopacket switchmesh networksdynamic base station relocation
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Experimental Results of Future Road-to-Vehicle Communications System with Handover Function
Tadayuki FUKUHARA Kenya YONEZAWA Hiroyasu ISHIKAWA Keizo SUGIYAMA Hideyuki SHINONAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2649-2656
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DSRChandoverITShandover processing delay
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18 Mbit/s Carrier Frequency Offset-Spread Spectrum (CFO-SS) System Using 2.4 GHz ISM Band
Hiroyasu ISHIKAWA Naoki FUKE Keizo SUGIYAMA Hideyuki SHINONAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12  pp. 2839-2846
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
CFO-SSwireless accesshigh speed2.4 GHz ISM banddual-polarization technique
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Multi-Path Backup Self-Healing Algorithm for ATM Networks
Kiyohito YOSHIHARA Gen HATTORI Keizo SUGIYAMA Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/11/25
Vol. E82-B  No. 11  pp. 1793-1800
Type of Manuscript:  Special Section PAPER (Special Issue on New Paradigms in Network Management)
Category: 
Keyword: 
fault managementself-healingrecovery ratiorecovery priorityATM
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Design and Implementation of Management Information Base (MIB) Tester for TMN
Keizo SUGIYAMA Hiroki HORIUCHI Sadao OBANA Kenji SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/11/25
Vol. E82-B  No. 11  pp. 1753-1760
Type of Manuscript:  Special Section PAPER (Special Issue on New Paradigms in Network Management)
Category: 
Keyword: 
TMNOSI managementconformance testMIBGDMO
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Dynamic Polling Algorithm Based on Network Management Information Values
Kiyohito YOSHIHARA Keizo SUGIYAMA Hiroki HORIUCHI Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/06/25
Vol. E82-B  No. 6  pp. 868-876
Type of Manuscript:  Special Section PAPER (Special Issue on Distributed Processing for Controlling Telecommunications Systems)
Category: 
Keyword: 
monitoringpollingSNMPdiscrete Fourier transformation
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Approximation Algorithm for Optimal Combinations of Scopes in OSI Management Operations
Kiyohito YOSHIHARA Hiroki HORIUCHI Keizo SUGIYAMA Sadao OBANA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/06/25
Vol. E80-B  No. 6  pp. 881-887
Type of Manuscript:  Special Section PAPER (Special Issue on Network Operations and Management)
Category: Protocol
Keyword: 
OSI managementCMISscopeapproximation algorithm
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