Design and Implementation of Personal Computer based OSI Remote Database Access (RDA) Client System. - Hiroki Horiuchi; Keizo Sugiyama; Sadao Obana; Kenji Suzuki 005 (ULPAA, 1994)

Implementation and Evaluation of MIB Tester for OSI Management. - Keizo Sugiyama; Hiroki Horiuchi; Sadao Obana; Kenji Suzuki 005 (Integrated Network Management, 1997)

Dynamic Polling Scheme Based on Time Variation of Network Management Information Values. - Kiyohito Yoshihara; Keizo Sugiyama; Hiroki Horiuchi; Sadao Obana (Integrated Network Management, 1999)

Dynamic Load-Balancing for Distibuted Management in Active Networks. - Kiyohito Yoshihara; Keizo Sugiyama; Koji Nakao; Toshikane Oda; Sadao Obana (IWAN, 2000)

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 (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Long-range oversea wireless network using 2.4 GHz wireless LAN installation and performance. - Naoki Fuke; Keizo Sugiyama; Hideyuki Shinonaga (ICCCN, 2003)

Simulation evaluation on area extension and system capacity of CDMA packet communication system utilizing multihop connection. - Osamu Maeshima; Naoki Fuke; Keizo Sugiyama; Hideyuki Shinonaga; Anthony S. Acampora (PIMRC, 2003)

Proposed relay method with P-MP structure of IEEE 802.16-2004. - Shoji Kaneko; Kenji Saito; Haruki Izumikawa; Takashi Matsunaka; Keizo Sugiyama; Hideyuki Shinonaga (PIMRC, 2005)

Adaptive media switching for future vehicle-to-vehicle communication. - Takayuki Warabino; Kenji Saito; Keizo Sugiyama; Hideyuki Shinonaga; Tomohiro Nishida (PIMRC, 2005)

Broadcast methods for inter-vehicle communications system. - Tadayuki Fukuhara; Takayuki Warabino; Takeo Ohseki; Kenji Saito; Keizo Sugiyama; Tomohiro Nishida; Kazuo Eguchi (WCNC, 2005)

Multihop mobile communications system using MC-CDMA in forward links. - Takeo Ohseki; Naoki Fuke; Osamu Maeshima; Hisato Iwai; Keizo Sugiyama; Mitsuo Nohara (WCNC, 2005)

MAP Multiplexing in IEEE 802.16 Mobile Multi-Hop Relay. - Haruki Izumikawa; Kenji Saito; Naoki Fuke; Tetsuro Ueda; Keizo Sugiyama (PIMRC, 2006)

An Effective Authentication Procedure Considering User Expiry Time During Handover. - Takashi Matsunaka; Haruki Izumikawa; Keizo Sugiyama (PIMRC, 2006)

Direction and Communication-Aware Directional Mac Protocol in Ad Hoc Networks Using Directional Antenna. - Tetsuro Ueda; Keizo Sugiyama; Hisato Iwai; Sadao Obana; Somprakash Bandyopadhyay (PIMRC, 2006)

A Lightweight Approach to Protect Mobile Data. - Takashi Matsunaka; Takayuki Warabino; Keizo Sugiyama (ISCC, 2007)

User-Centric Seamless Handover Scheme for Realtime Applications. - Haruki Izumikawa; Tadayuki Fukuhara; Takashi Matsunaka; Keizo Sugiyama (PIMRC, 2007)

Experimental Verification on the Prediction of the Trend in Radio Resource Availability in Cognitive Radio. - Shoji Kaneko; Shinichi Nomoto; Tetsuro Ueda; Shingo Nomura; Kazunori Takeuchi; Keizo Sugiyama (VTC Fall, 2007)

Proposal of ID Composition for Fast Location Lookup in Overlay Nodes. - Takayuki Warabino; Takashi Matsunaka; Keizo Sugiyama (VTC Fall, 2007)

Overhead Reduction of Internet Indirection Infrastructure (i3) for Future Mobile and Wireless Communications. - Takayuki Warabino; Keizo Sugiyama (IEICE Trans. Commun., 2007)

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 (IEICE Trans. Commun., 2008)

User-Centric Seamless Handover Scheme for Real-Time Applications in Heterogeneous Networks. - Haruki Izumikawa; Tadayuki Fukuhara; Yoji Kishi; Takashi Matsunaka; Keizo Sugiyama (IEICE Trans. Commun., 2009)

GoEdge: A Scalable and Stateless Local Breakout Method. - Kazuya Okada; Shigeru Kashihara; Nao Kawanishi; Nobuo Suzuki; Keizo Sugiyama; Youki Kadobayashi (TOPIC@PODC, 2018)

Anomaly Traffic Detection with Federated Learning toward Network-based Malware Detection in IoT. - Takayuki Nishio; Masataka Nakahara; Norihiro Okui; Ayumu Kubota; Yasuaki Kobayashi; Keizo Sugiyama; Ryoichi Shinkuma (GLOBECOM, 2022)

WIP: Cyber Security Measurement Taking Physical Circumstances. - Masataka Nakahara; Keizo Sugiyama; Norihiro Okui; Yasuaki Kobayashi; Ayumu Kubota; Shinsaku Kiyomoto (CCNC, 2025)

Data Acquisition Framework for Micromobility Vehicles Toward Driving Risk Prediction Against Cyberphysical Security Attack. - Shunsuke Sato; Ryoichi Shinkuma; Kensei Hirai; Masataka Nakahara; Norihiro Okui; Ayumu Kubota; Yasuaki Kobayashi; Keizo Sugiyama; Takayuki Nishio (IEEE Secur. Priv., 2025)