Keizo Sugiyama

26 papers B 11C 1Journal 5Unranked 9
YearRankTypeTitle / Venue / Authors
2026 — conf
Digital Twin-Based Security Function in the Space Domain.
CCNC
Masataka Nakahara, Keizo Sugiyama, Yasuaki Kobayashi, Ayumu Kubota
2025 J jnl
Data Acquisition Framework for Micromobility Vehicles Toward Driving Risk Prediction Against Cyberphysical Security Attack.
IEEE Secur. Priv.
Shunsuke Sato, Ryoichi Shinkuma, Kensei Hirai, Masataka Nakahara, Norihiro Okui, Ayumu Kubota, Yasuaki Kobayashi, Keizo Sugiyama, Takayuki Nishio
2025 — conf
WIP: Cyber Security Measurement Taking Physical Circumstances.
CCNC
Masataka Nakahara, Keizo Sugiyama, Norihiro Okui, Yasuaki Kobayashi, Ayumu Kubota, Shinsaku Kiyomoto
2022 B conf
Anomaly Traffic Detection with Federated Learning toward Network-based Malware Detection in IoT.
GLOBECOM
Takayuki Nishio, Masataka Nakahara, Norihiro Okui, Ayumu Kubota, Yasuaki Kobayashi, Keizo Sugiyama, Ryoichi Shinkuma
2018 — conf
GoEdge: A Scalable and Stateless Local Breakout Method.
TOPIC@PODC
Kazuya Okada, Shigeru Kashihara, Nao Kawanishi, Nobuo Suzuki, Keizo Sugiyama, Youki Kadobayashi
2009 J jnl
User-Centric Seamless Handover Scheme for Real-Time Applications in Heterogeneous Networks.
IEICE Trans. Commun.
Haruki Izumikawa, Tadayuki Fukuhara, Yoji Kishi, Takashi Matsunaka, Keizo Sugiyama
2008 J jnl
Packet Switch and Its Impact on Dynamic Base Station Relocation in Mesh Networks Using Cognitive Radio.
IEICE Trans. Commun.
Tetsuro Ueda, Kazunori Takeuchi, Shoji Kaneko, Shingo Nomura, Keizo Sugiyama
2007 C conf
A Lightweight Approach to Protect Mobile Data.
ISCC
Takashi Matsunaka, Takayuki Warabino, Keizo Sugiyama
2007 — conf
Experimental Verification on the Prediction of the Trend in Radio Resource Availability in Cognitive Radio.
VTC Fall
Shoji Kaneko, Shinichi Nomoto, Tetsuro Ueda, Shingo Nomura, Kazunori Takeuchi, Keizo Sugiyama
2007 J jnl
Overhead Reduction of Internet Indirection Infrastructure (i3) for Future Mobile and Wireless Communications.
IEICE Trans. Commun.
Takayuki Warabino, Keizo Sugiyama
2007 — conf
Proposal of ID Composition for Fast Location Lookup in Overlay Nodes.
VTC Fall
Takayuki Warabino, Takashi Matsunaka, Keizo Sugiyama
2007 B conf
User-Centric Seamless Handover Scheme for Realtime Applications.
PIMRC
Haruki Izumikawa, Tadayuki Fukuhara, Takashi Matsunaka, Keizo Sugiyama
2006 B conf
An Effective Authentication Procedure Considering User Expiry Time During Handover.
PIMRC
Takashi Matsunaka, Haruki Izumikawa, Keizo Sugiyama
2006 B conf
Direction and Communication-Aware Directional Mac Protocol in Ad Hoc Networks Using Directional Antenna.
PIMRC
Tetsuro Ueda, Keizo Sugiyama, Hisato Iwai, Sadao Obana, Somprakash Bandyopadhyay
2006 B conf
MAP Multiplexing in IEEE 802.16 Mobile Multi-Hop Relay.
PIMRC
Haruki Izumikawa, Kenji Saito, Naoki Fuke, Tetsuro Ueda, Keizo Sugiyama
2005 B conf
Adaptive media switching for future vehicle-to-vehicle communication.
PIMRC
Takayuki Warabino, Kenji Saito, Keizo Sugiyama, Hideyuki Shinonaga, Tomohiro Nishida
2005 B conf
Broadcast methods for inter-vehicle communications system.
WCNC
Tadayuki Fukuhara, Takayuki Warabino, Takeo Ohseki, Kenji Saito, Keizo Sugiyama, Tomohiro Nishida, Kazuo Eguchi
2005 B conf
Multihop mobile communications system using MC-CDMA in forward links.
WCNC
Takeo Ohseki, Naoki Fuke, Osamu Maeshima, Hisato Iwai, Keizo Sugiyama, Mitsuo Nohara
2005 B conf
Proposed relay method with P-MP structure of IEEE 802.16-2004.
PIMRC
Shoji Kaneko, Kenji Saito, Haruki Izumikawa, Takashi Matsunaka, Keizo Sugiyama, Hideyuki Shinonaga
2003 B conf
Long-range oversea wireless network using 2.4 GHz wireless LAN installation and performance.
ICCCN
Naoki Fuke, Keizo Sugiyama, Hideyuki Shinonaga
2003 B conf
Simulation evaluation on area extension and system capacity of CDMA packet communication system utilizing multihop connection.
PIMRC
Osamu Maeshima, Naoki Fuke, Keizo Sugiyama, Hideyuki Shinonaga, Anthony S. Acampora
2002 J jnl
18 Mbit/s Carrier Frequency Offset-Spread Spectrum (CFO-SS) System Using 2.4 GHz ISM Band.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Hiroyasu Ishikawa, Naoki Fuke, Keizo Sugiyama, Hideyuki Shinonaga
2000 — conf
Dynamic Load-Balancing for Distibuted Management in Active Networks.
IWAN
Kiyohito Yoshihara, Keizo Sugiyama, Koji Nakao, Toshikane Oda, Sadao Obana
1999 — conf
Dynamic Polling Scheme Based on Time Variation of Network Management Information Values.
Integrated Network Management
Kiyohito Yoshihara, Keizo Sugiyama, Hiroki Horiuchi, Sadao Obana
1997 — conf
Implementation and Evaluation of MIB Tester for OSI Management.
Integrated Network Management
Keizo Sugiyama, Hiroki Horiuchi, Sadao Obana, Kenji Suzuki
1994 — conf
Design and Implementation of Personal Computer based OSI Remote Database Access (RDA) Client System.
ULPAA
Hiroki Horiuchi, Keizo Sugiyama, Sadao Obana, Kenji Suzuki