| 2025 | CISS | Causal Digital Twins for Physical System Control. | Saeed Mohseni-Sehdeh, Walid Saad, Kei Sakaguchi, Tao Yu |
| 2025 | GLOBECOM | Digital Twin-based Cooperative Autonomous Driving in Smart Intersections: A Multi-Agent Reinforcement Learning Approach. | Taoyuan Yu, Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi, Walid Saad |
| 2025 | PIMRC | Learning Based User Scheduling and Resource Allocation in Millimeter-Wave Massive Relay MIMO Systems. | Yiming Chen, Kei Sakaguchi, Gia Khanh Tran, Shintaro Habu, Suwen Ke |
| 2025 | PIMRC | Digital Twin-Enhanced Multi-Hop Communications of mmWave V2X with Blockage Avoidance. | Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi |
| 2025 | WCNC | Resilient mmWave Multi-Hop Multi-User Massive Relay MIMO for 6G Networks. | Suwen Ke, Kei Sakaguchi, Gia Khanh Tran |
| 2024 | VTC | Revolutionizing Over-the-Air Updates: Practical Dual-band V2X Measurements. | Sherief Hashima, Zongdian Li, Kohei Hatano, Kei Sakaguchi |
| 2024 | VTC | Digital Twin-Empowered Routing Management for Reliable Multi-Hop Millimeter Wave V2X. | Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi |
| 2023 | PIMRC | Multi-User MIMO Based on Millimeter Wave Massive Analog Relay Stations. | Suwen Ke, Kei Sakaguchi, Gia Khanh Tran, Masashi Iwabuchi, Tomoki Murakami |
| 2023 | VTC | MmWave Multi-beam V2X with Fountain Code for Joint Ultra-Broadband, Reliable, and Low Latency Communication. | Shintaro Habu, Kei Sakaguchi, Gia Khanh Tran |
| 2023 | VTC | Field Trial of AR-based Radio Signal Visualization for Better Deployment of mmWave 5G and Beyond. | Naoya Okubo, Jin Nakazato, Kei Sakaguchi |
| 2023 | VTC | Smart Mobility Digital Twin for Automated Driving: Design and Proof-of-Concept. | Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi |
| 2022 | PIMRC | Design of Mobility-Aware Map Partition and Distribution System for Smooth Automated Driving. | Zongdian Li, Miguel Luis Rivera Lagahit, Masashi Matsuoka, Kei Sakaguchi |
| 2022 | PIMRC | Design of mmW Digital Twin platform toward B5G/6G - High-Precision Measurement System and Relay Station Deployment-. | Keishi Tokugawa, Kazuki Maruta, Keiichi Kubota, Kei Sakaguchi, Jin Nakazato, Mitsuhiro Kuchitsu, Soh Masuko |
| 2022 | VTC | Object Recognition Network using Continuous Roadside Cameras. | Gunhee Cho, Yusuke Shinyama, Jin Nakazato, Kazuki Maruta, Kei Sakaguchi |
| 2022 | VTC | Proof-of-Concept of Distributed Optimization of Micro-Services on Edge Computing for Beyond 5G. | Jin Nakazato, Mitsuhiro Kuchitsu, Anil Pawar, Soh Masuko, Keishi Tokugawa, Keiichi Kubota, Kazuki Maruta, Kei Sakaguchi |
| 2021 | VTC | Automated Driving with Cooperative Perception Using Millimeter-wave V2I Communications for Safe and Efficient Passing Through Intersections. | Ryuichi Fukatsu, Kei Sakaguchi |
| 2021 | VTC | Blind-Spot Visualization via AR Glasses using Millimeter-Wave V2X for Safe Driving. | Kazuki Maruta, Miyuu Takizawa, Ryuichi Fukatsu, Yue Wang, Zongdian Li, Kei Sakaguchi |
| 2021 | VTC | Context-Based MEC Platform for Augmented-Reality Services in 5G Networks. | Yue Wang, Tao Yu, Kei Sakaguchi |
| 2020 | VTC | Design of Millimeter-wave UAV Base Station for Access Link. | Masanori Ozasa, Jin Nakazato, Kousuke Hirata, Gia Khanh Tran, Kei Sakaguchi |
| 2020 | VTC | Design of Antenna Configuration for Interference Control in MmWave V2V Communication Systems. | Yue Yin, Haoze Chen, Zongdian Li, Ryuichi Fukatsu, Tao Yu, Kei Sakaguchi |
| 2020 | WCNC | mmWave Massive Analog Relay MIMO for Improvement of Channel Capacity. | Yuichiro Sugihara, Kei Sakaguchi |
| 2019 | GLOBECOM | Proof-of-Concept of a SDN Based mmWave V2X Network for Safe Automated Driving. | Zongdian Li, Tao Yu, Ryuichi Fukatsu, Gia Khanh Tran, Kei Sakaguchi |
| 2019 | GLOBECOM | Benefits of MEC in 5G Cellular Networks from Telecom Operator's View Points. | Jin Nakazato, Makoto Nakamura, Tao Yu, Gia Khanh Tran, Kei Sakaguchi |
| 2019 | VTC | Millimeter-Wave V2V Communications with Cooperative Perception for Automated Driving. | Ryuichi Fukatsu, Kei Sakaguchi |
| 2019 | VTC | Performance Evaluation of Prefetching Algorithm for Real-Time Edge Content Delivery in 5G System. | Makoto Nakamura, Hiroaki Nishiuchi, Konstantin Koslowski, Julian Daube, Ricardo Santos, Gia Khanh Tran, Kei Sakaguchi |
| 2019 | WCNC | Outdoor Experiment of mmWave Meshed Backhaul for Realtime Edge Content Delivery. | Gia Khanh Tran, Makoto Nakamura, Hiroaki Nishiuchi, Kei Sakaguchi, Ricardo Santos, Konstantin Koslowski |
| 2018 | VTC | Performance Evaluation of 5G mmWave Edge Cloud with Prefetching Algorithm - Invited Paper. | Hiroaki Nishiuchi, Gia Khanh Tran, Kei Sakaguchi |
| 2018 | WCNC | Millimeter-waves, MEC, and network softwarization as enablers of new 5G business opportunities. | Valerio Frascolla, Juergen Englisch, Koji Takinami, Luca Chiaraviglio, Stefano Salsano, Katsuo Yunoki, Sergio Barberis, Valerio Palestini, Kei Sakaguchi, Thomas Haustein, Antonio De Domenico, Emilio Calvanese Strinati |
| 2017 | GLOBECOM | Turning the Knobs on OpenFlow-Based Resiliency in mmWave Small Cell Meshed Networks. | Ricardo Santos, Hiroaki Ogawa, Gia Khanh Tran, Kei Sakaguchi, Andreas Kassler |
| 2016 | VTC | Wi-Fi/WiGig Coordination for Optimal WiGig Concurrent Transmissions in Random Access Scenarios. | Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei |
| 2016 | WCNC | Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks. | Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki |
| 2016 | WCNC | Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks. | Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki |
| 2015 | PIMRC | WiFi assisted multi-WiGig AP coordination for future multi-Gbps WLANs. | Ehab Mahmoud Mohamed, Hideyuki Kusano, Kei Sakaguchi, Seiichi Sampei |
| 2015 | PIMRC | Dynamic cell activation and user association for green 5G heterogeneous cellular networks. | Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki |
| 2015 | WCNC | Delayed offloading zone associations using cloud cooperated heterogeneous networks. | Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei |
| 2014 | GLOBECOM | Global standards enabling a 5 | Markus Dominik Mueck, Ingolf Karls, Reza Arefi, Thomas Haustein, Richard J. Weiler, Kei Sakaguchi |
| 2014 | PIMRC | Delayed offloading using cloud cooperated millimeter wave gates. | Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei |
| 2014 | PIMRC | Cell association method for multiband heterogeneous networks. | Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi |
| 2014 | PIMRC | Outdoor millimeter-wave access for heterogeneous networks - Path loss and system performance. | Richard J. Weiler, Michael Peter, Wilhelm Keusgen, Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi |
| 2013 | GLOBECOM | Large scale cooperation in cellular networks with non-uniform user distribution. | Roya E. Rezagah, Daisuke Matsuo, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi |
| 2013 | PIMRC | Experiment on MIMO cognitive radio using Tx/Rx beamforming. | Ryosuke Iwata, Vutha Va, Kei Sakaguchi, Kiyomichi Araki |
| 2013 | PIMRC | Experiment on battery-less sensor activation via multi-point wireless energy transmission. | Daiki Maehara, Ryota Akai, Gia Khanh Tran, Kei Sakaguchi, Seiichi Sampei, Kiyomichi Araki, Hiroshi Iwai |
| 2013 | PIMRC | Diamond cellular network - Optimal combination of small power basestations and CoMP cellular networks-. | Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Kei Sakaguchi, Satoshi Konishi, Shinobu Nanba |
| 2012 | GLOBECOM | Shared Remote Radio Head architecture to realize semi-dynamic clustering in CoMP cellular networks. | Daisuke Matsuo, Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi |
| 2012 | PIMRC | Optimization of picocell locations and its parameters in heterogeneous networks with hotspots. | Hidekazu Shimodaira, Gia Khanh Tran, Shinichi Tajima, Kei Sakaguchi, Kiyomichi Araki, Noriaki Miyazaki, Shoji Kaneko, Satoshi Konishi, Yoji Kishi |
| 2012 | PIMRC | Experiment on MIMO two-way relaying using transmit beamforming. | Vutha Va, Keiichi Mizutani, Yutaro Kida, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto |
| 2012 | VTC | Network Synchronization Scheme for Scalable Two-Way Multi-Hop Network Employing MIMO Network Coding. | Yutaro Kida, Keiichi Mizutani, Gia Khanh Tran, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki |
| 2012 | VTC | Relay Placement of Two-Way Multi-Hop Relay Network with Power Adaptation in a Realistic Shadowing Environment. | Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki |
| 2012 | VTC | Distributed Optimization of Transceiver Weights in MIMO Two-Way Multihop Networks. | Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki |
| 2011 | PIMRC | A study on design of spatial fading emulator based on Clarke's model. | Daisuke Matsuo, Maki Arai, Kei Sakaguchi, Kiyomichi Araki |
| 2011 | PIMRC | A study on beam tilt angle of base station antennas for Base Station Cooperation systems. | Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki, Takayuki Sotoyama |
| 2011 | VTC | Wireless Grid: Enabling Ubiquitous Sensor Networks with Wireless Energy Supply. | Ragil Putro Wicaksono, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | GLOBECOM | Routing and Power Allocation in MIMO Two-Way Multihop Networks: A New Cross-Layer Approach to Mitigate Interference. | Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | PIMRC | Dynamic cooperation set clustering on base station cooperation cellular networks. | Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | VTC | MIMO Radio Propagation Measurement for Two-Hop Relay Network on L-Shaped Corridor with Network Performance Analysis. | Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | VTC | Hardware Prototype for Two-Way Multi-Hop Relay Network with MIMO Network Coding. | Keiichi Mizutani, Takehiro Miyamoto, Takamichi Kanno, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | VTC | Network Synchronization for Two-Way Multi-Hop Relay Networks with Block Modulation. | Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki |
| 2010 | VTC | An Efficient Retransmission Scheme for MIMO Two-Way Relay Network Employing Network Coding. | Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki |
| 2009 | PIMRC | Wireless mesh network performance: MIMO two-way relay vs. CSMA/CA based protocols. | Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki |
| 2008 | WCNC | Cell Planning for Cooperative Transmission. | Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki |
| 2007 | ICCCN | Multiple Access Interference Cancellation and Link Multiplexing for MIMO Mesh Network. | Kei Sakaguchi, Fumie Ono |
| 2007 | PIMRC | Multiple Access Interference Cancellation and Link Multiplexing for MIMO Mesh Network. | Fumie Ono, Kei Sakaguchi |
| 2007 | PIMRC | Study on Cooperative Sensing in Cognitive Radio based AD-HOC Network. | Hiromasa Uchiyama, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki, Takeo Fujii, Fumie Ono, Kei Sakaguchi |
| 2007 | VTC | Novel Multi-Stage Transmultiplexing Digital Down Converter for Implementation of RFID (ISO18000-3 MODE 2) Reader/Writer. | Yuichi Nakagawa, Masahiro Muraguchi, Hideki Kawamura, Kyoji Ohashi, Kei Sakaguchi, Kiyomichi Araki |
| 2006 | PIMRC | Experimental Analysis of MIMO-OFDM Eigenmode Transmission with MMSE Interference Canceller. | Yuichi Kakishima, Hai Doan Le, See Ho Ting, Kei Sakaguchi, Kiyomichi Araki |
| 2006 | VTC | Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission. | Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki |
| 2006 | VTC | Performance Analysis of MIMO-OFDM Systems using Indoor Wideband MIMO Channel Measurement Data. | Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa |
| 2005 | PIMRC | Measurements on Area Coverage of 5GHZ Band MIMO-OFDM System in Residential Home Environment. | Nguyen Dung Dao, Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa |
| 2005 | PIMRC | An Effective IQ Imbalance Compensation Scheme for MIMO-OFDM Communication System. | Hiroyuki Kamata, Kei Sakaguchi, Kiyomichi Araki |
| 2004 | PIMRC | Experimental and analytical investigation of MIMO channel capacity in an indoor line-of-sight (LOS) environment. | Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki |
| 2004 | PIMRC | A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system under practical conditions. | See Ho Ting, Kei Sakaguchi, Kiyomichi Araki |