Kei Sakaguchi

233 papers B 33C 3Misc 3Journal 115Unranked 79
YearRankTypeTitle / Venue / Authors
2026 — conf
Digital Twin-based Blind Spot Visualization and Real-Time Hazard Notification in AR Glasses: Design and Proof-of-Concept.
CCNC
Kaito Morita, Tao Yu, Kei Sakaguchi
2026 J jnl
Predicting Networks Before They Happen: Experimentation on a Real-Time V2X Digital Twin.
CoRR
Roberto Pegurri, Shintaro Habu, Francesco Linsalata, Kui Wang, Tao Yu, Eugenio Moro, Maiya Igarashi, Antonio Capone, Kei Sakaguchi
2025 Misc conf
Causal Digital Twins for Physical System Control.
CISS
Saeed Mohseni-Sehdeh, Walid Saad, Kei Sakaguchi, Tao Yu
2025 — conf
Design of Digital Twin-Based Digital Signage Advertisement Platform.
CCNC
Toru Ooka, Zongdian Li, Kelvin Cheng, Daisuke Ichihashi, Kei Sakaguchi
2025 C conf
Design of Remote Smart Agriculture System Using LEO Satellite Communications and Solar Power Generation.
ICCE
Shieru Otsuka, Kuniaki Uto, Tadashi Kawamoto, Kei Sakaguchi
2025 J jnl
Diffusion Models for Solving Inverse Problems via Posterior Sampling with Piecewise Guidance.
CoRR
Saeed Mohseni-Sehdeh, Walid Saad, Kei Sakaguchi, Tao Yu
2025 J jnl
Digital Twin-Empowered Cooperative Autonomous Car-sharing Services: Proof-of-Concept.
CoRR
Kazuma Nonomura, Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi
2025 J jnl
Digital Twin-Enabled Blockage-Aware Dynamic mmWave Multi-Hop V2X Communication.
IEEE Access
Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi
2025 J jnl
Digital Twin-Enabled Blockage-Aware Dynamic mmWave Multi-Hop V2X Communication.
CoRR
Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi
2025 B conf
Digital Twin-Enhanced Multi-Hop Communications of mmWave V2X with Blockage Avoidance.
PIMRC
Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi
2025 J jnl
Digital Twin-based Cooperative Autonomous Driving in Smart Intersections: A Multi-Agent Reinforcement Learning Approach.
CoRR
Taoyuan Yu, Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi, Walid Saad
2025 J jnl
Field Evaluation of 5G mmWave Relays in Various Topologies: NLOS Coverage Enhancement and Tolerance Against Blockage.
IEEE Access
Naoya Okubo, Keishi Tokugawa, Jin Nakazato, Suwen Ke, Yiming Chen, Gia Khanh Tran, Kei Sakaguchi, Mitsuhiro Kuchitsu, Tsuyoshi Itagaki
2025 B conf
Learning Based User Scheduling and Resource Allocation in Millimeter-Wave Massive Relay MIMO Systems.
PIMRC
Yiming Chen, Kei Sakaguchi, Gia Khanh Tran, Shintaro Habu, Suwen Ke
2025 J jnl
Millimeter-Wave Massive Analog Relay MU-MIMO With Blocking-Empowered User Scheduling Toward 6G.
IEEE Open J. Commun. Soc.
Suwen Ke, Gia Khanh Tran, Zongdian Li, Kei Sakaguchi
2025 J jnl
Multi-Agent Reinforcement Learning-based Cooperative Autonomous Driving in Smart Intersections.
CoRR
Taoyuan Yu, Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi
2025 J jnl
Real-Time Task Scheduling With Fairness in Digital Twin Systems.
IEEE Internet Things J.
Cheonyong Kim, Walid Saad, Jonghun Han, Tao Yu, Kei Sakaguchi, Minchae Jung
2025 B conf
Resilient mmWave Multi-Hop Multi-User Massive Relay MIMO for 6G Networks.
WCNC
Suwen Ke, Kei Sakaguchi, Gia Khanh Tran
2025 J jnl
The Seven Worlds and Experiences of the Wireless Metaverse: Challenges and Opportunities.
IEEE Commun. Mag.
Omar Hashash, Christina Chaccour, Walid Saad, Tao Yu, Kei Sakaguchi, Mérouane Debbah
2025 — conf
Trends in Wireless Relay and Reflector Technology.
APWCS
Jin Nakazato, Kazuto Yano, Yuyuan Chang, Takuya Ohto, Tomoki Murakami, Gia Khanh Tran, Yuichi Kawamoto, Kei Sakaguchi
2024 J jnl
Augmented Intelligence in Smart Intersections: Local Digital Twins-Assisted Hybrid Autonomous Driving.
CoRR
Kui Wang, Kazuma Nonomura, Zongdian Li, Tao Yu, Kei Sakaguchi, Omar Hashash, Walid Saad, Changyang She, Yonghui Li
2024 — conf
Digital Twin-Based Transfer Learning for Collaborative Robot Systems: A Proof of Concept.
ICOIN
Supat Roongpraiwan, Zongdian Li, Mohsen Pourghasemian, Haris Gacanin, Kei Sakaguchi
2024 — conf
Digital Twin-Empowered Routing Management for Reliable Multi-Hop Millimeter Wave V2X.
VTC Fall
Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi
2024 J jnl
Digital Twin-Empowered Routing Management for Reliable Multi-Hop Millimeter Wave V2X.
CoRR
Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi
2024 — conf
Digital Twins for Autonomous Driving: A Comprehensive Implementation and Demonstration.
ICOIN
Kui Wang, Tao Yu, Zongdian Li, Kei Sakaguchi, Omar Hashash, Walid Saad
2024 J jnl
Digital Twins for Autonomous Driving: A Comprehensive Implementation and Demonstration.
CoRR
Kui Wang, Tao Yu, Zongdian Li, Kei Sakaguchi, Omar Hashash, Walid Saad
2024 J jnl
Internet of Federated Digital Twins: Connecting Twins Beyond Borders for Society 5.0.
IEEE Internet Things Mag.
Tao Yu, Zongdian Li, Omar Hashash, Kei Sakaguchi, Walid Saad, Mérouane Debbah
2024 — conf
Proof-of-Concept of Digital Twin for Road Safety Assisted by B5G Heterogeneous MEC Network.
CCNC
Kazuma Nonomura, Kui Wang, Gunhee Cho, Hiroki Matsuo, Jin Nakazato, Zongdian Li, Tao Yu, Kei Sakaguchi
2024 — conf
Revolutionizing Over-the-Air Updates: Practical Dual-band V2X Measurements.
VTC Fall
Sherief Hashima, Zongdian Li, Kohei Hatano, Kei Sakaguchi
2024 — conf
Roadside Units Assisted Localized Automated Vehicle Maneuvering: An Offline Reinforcement Learning Approach.
ITSC
Kui Wang, Changyang She, Zongdian Li, Tao Yu, Yonghui Li, Kei Sakaguchi
2024 J jnl
Roadside Units Assisted Localized Automated Vehicle Maneuvering: An Offline Reinforcement Learning Approach.
CoRR
Kui Wang, Changyang She, Zongdian Li, Tao Yu, Yonghui Li, Kei Sakaguchi
2024 J jnl
Smart Mobility Digital Twin Based Automated Vehicle Navigation System: A Proof of Concept.
CoRR
Kui Wang, Zongdian Li, Kazuma Nonomura, Tao Yu, Kei Sakaguchi, Omar Hashash, Walid Saad
2024 J jnl
Smart Mobility Digital Twin Based Automated Vehicle Navigation System: A Proof of Concept.
IEEE Trans. Intell. Veh.
Kui Wang, Zongdian Li, Kazuma Nonomura, Tao Yu, Kei Sakaguchi, Omar Hashash, Walid Saad
2024 J jnl
Smart Mobility Digital Twin for Automated Driving: Design and Proof-of-Concept.
CoRR
Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi
2024 J jnl
The Future of Flying Base Stations: Empirical and Numerical Investigations of mmWave-Enabled UAVs.
Future Internet
Ryunosuke Masaoka, Gia Khanh Tran, Jin Nakazato, Kei Sakaguchi
2024 J jnl
UAV-Aided Lifelong Learning for AoI and Energy Optimization in Nonstationary IoT Networks.
IEEE Internet Things J.
Zhenzhen Gong, Omar Hashash, Yingze Wang, Qimei Cui, Wei Ni, Walid Saad, Kei Sakaguchi
2023 — conf
Building an SDVN Framework for RSU-Centric Cooperative Perception with Heterogeneous V2X.
CCNC
Zongdian Li, Tao Yu, Taisei Suzuki, Kei Sakaguchi
2023 C conf
Design of advanced intersection systems utilizing V2X in an automated society.
ICCE
Hiroki Matsuo, Tao Yu, Kei Sakaguchi
2023 — conf
Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas.
CCNC
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2023 — conf
Field Trial of AR-based Radio Signal Visualization for Better Deployment of mmWave 5G and Beyond.
VTC Fall
Naoya Okubo, Jin Nakazato, Kei Sakaguchi
2023 J jnl
Het-SDVN: SDN-Based Radio Resource Management of Heterogeneous V2X for Cooperative Perception.
IEEE Access
Zongdian Li, Kui Wang, Tao Yu, Kei Sakaguchi
2023 — conf
Implementation of the Data Conversion Function for Wireless Environments for Beyond 5G Applications.
CCNC
Keishi Tokugawa, Jin Nakazato, Hiroki Matsuo, Keiichi Kubota, Kei Sakaguchi
2023 J jnl
Internet of Federated Digital Twins (IoFDT): Connecting Twins Beyond Borders for Society 5.0.
CoRR
Tao Yu, Zongdian Li, Kei Sakaguchi, Omar Hashash, Walid Saad, Mérouane Debbah
2023 — conf
MmWave Multi-beam V2X with Fountain Code for Joint Ultra-Broadband, Reliable, and Low Latency Communication.
VTC Fall
Shintaro Habu, Kei Sakaguchi, Gia Khanh Tran
2023 B conf
Multi-User MIMO Based on Millimeter Wave Massive Analog Relay Stations.
PIMRC
Suwen Ke, Kei Sakaguchi, Gia Khanh Tran, Masashi Iwabuchi, Tomoki Murakami
2023 C conf
Reshape Car-Sharing System for Super Smart Society: A Digital Twin-Based Method and Implementation.
ICCE
Kazuma Nonomura, Tao Yu, Kei Sakaguchi
2023 — conf
Smart Mobility Digital Twin for Automated Driving: Design and Proof-of-Concept.
VTC2023-Spring
Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi
2023 J jnl
The Seven Worlds and Experiences of the Wireless Metaverse: Challenges and Opportunities.
CoRR
Omar Hashash, Christina Chaccour, Walid Saad, Tao Yu, Kei Sakaguchi, Mérouane Debbah
2023 — conf
Towards a Decentralized Metaverse: Synchronized Orchestration of Digital Twins and Sub-Metaverses.
ICC
Omar Hashash, Christina Chaccour, Walid Saad, Kei Sakaguchi, Tao Yu
2023 J jnl
UAV Trajectory Optimization in a Post-Disaster Area Using Dual Energy-Aware Bandits.
Sensors
Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi
2023 J jnl
UAV-Aided Lifelong Learning for AoI and Energy Optimization in Non-Stationary IoT Networks.
CoRR
Zhenzhen Gong, Omar Hashash, Yingze Wang, Qimei Cui, Wei Ni, Walid Saad, Kei Sakaguchi
2023 J jnl
User-Driven Relay Beamforming for mmWave Massive Analog-Relay MIMO.
Sensors
Masashi Iwabuchi, Yoghitha Ramamoorthi, Kei Sakaguchi
2022 J jnl
5G/B5G mmWave Cellular Networks with MEC Prefetching Based on User Context Information.
Sensors
Kazuki Maruta, Hiroaki Nishiuchi, Jin Nakazato, Gia Khanh Tran, Kei Sakaguchi
2022 J jnl
Context-Based MEC Platform for Augmented-Reality Services in 5G Networks.
CoRR
Yue Wang, Tao Yu, Kei Sakaguchi
2022 B conf
Design of Mobility-Aware Map Partition and Distribution System for Smooth Automated Driving.
PIMRC
Zongdian Li, Miguel Luis Rivera Lagahit, Masashi Matsuoka, Kei Sakaguchi
2022 B conf
Design of mmW Digital Twin platform toward B5G/6G - High-Precision Measurement System and Relay Station Deployment-.
PIMRC
Keishi Tokugawa, Kazuki Maruta, Keiichi Kubota, Kei Sakaguchi, Jin Nakazato, Mitsuhiro Kuchitsu, Soh Masuko
2022 J jnl
Distributed and Scalable Radio Resource Management for mmWave V2V Relays towards Safe Automated Driving.
Sensors
Yue Yin, Tao Yu, Kazuki Maruta, Kei Sakaguchi
2022 — conf
Dual Energy-Aware based Trajectory Optimization for UAV Emergency Wireless Communication Network: A Multi-armed Bandit Approach.
ICUFN
Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi
2022 J jnl
Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas.
CoRR
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas.
CCNC
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas.
CoRR
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Ground Experiment of Full-Duplex Multi-UAV System Enabled by Directional Antennas.
CCWC
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Ground Experiment of Full-Duplex Multi-UAV System Enabled by Directional Antennas.
CoRR
Tao Yu, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Image Size Reduction by Road-Side Edge Computing for Wireless Relay Transmission and Object Detection.
CCNC
Weiran Yuan, Kazuki Maruta, Yu Nakayama, Daisuke Hisano, Kei Sakaguchi
2022 J jnl
MEC/Cloud Orchestrator to Facilitate Private/Local Beyond 5G with MEC and Proof-of-Concept Implementation.
Sensors
Jin Nakazato, Zongdian Li, Kazuki Maruta, Keiichi Kubota, Tao Yu, Gia Khanh Tran, Kei Sakaguchi, Soh Masuko
2022 — conf
Object Recognition Network using Continuous Roadside Cameras.
VTC Spring
Gunhee Cho, Yusuke Shinyama, Jin Nakazato, Kazuki Maruta, Kei Sakaguchi
2022 — conf
Proof-of-Concept of Distributed Optimization of Micro-Services on Edge Computing for Beyond 5G.
VTC Spring
Jin Nakazato, Mitsuhiro Kuchitsu, Anil Pawar, Soh Masuko, Keishi Tokugawa, Keiichi Kubota, Kazuki Maruta, Kei Sakaguchi
2022 — conf
Required-Data-Rate-Based Distributed Resource Allocation Scheme for MmWave V2V with Relay.
CCNC
Yue Yin, Tao Yu, Kei Sakaguchi
2022 J jnl
Spectrum Sharing between Directional-Antenna- Equipped UAV System and Terrestrial Systems.
CoRR
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 — conf
Spectrum Sharing between Directional-Antenna-Equipped UAV System and Terrestrial Systems.
CCWC
Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi
2022 J jnl
Towards a Decentralized Metaverse: Synchronized Orchestration of Digital Twins and Sub-Metaverses.
CoRR
Omar Hashash, Christina Chaccour, Walid Saad, Kei Sakaguchi, Tao Yu
2021 J jnl
Automated Driving with Cooperative Perception Based on CVFH and Millimeter-Wave V2I Communications for Safe and Efficient Passing through Intersections.
Sensors
Ryuichi Fukatsu, Kei Sakaguchi
2021 J jnl
Automated Driving with Cooperative Perception Using Millimeter-Wave V2V Communications for Safe Overtaking.
Sensors
Ryuichi Fukatsu, Kei Sakaguchi
2021 — conf
Automated Driving with Cooperative Perception Using Millimeter-wave V2I Communications for Safe and Efficient Passing Through Intersections.
VTC Spring
Ryuichi Fukatsu, Kei Sakaguchi
2021 — conf
Blind-Spot Visualization via AR Glasses using Millimeter-Wave V2X for Safe Driving.
VTC Fall
Kazuki Maruta, Miyuu Takizawa, Ryuichi Fukatsu, Yue Wang, Zongdian Li, Kei Sakaguchi
2021 — conf
Context-Based MEC Platform for Augmented-Reality Services in 5G Networks.
VTC Fall
Yue Wang, Tao Yu, Kei Sakaguchi
2021 J jnl
Enhanced Dynamic Spectrum Access in UAV Wireless Networks for Post-Disaster Area Surveillance System: A Multi-Player Multi-Armed Bandit Approach.
Sensors
Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi
2021 J jnl
Experimental Verification of SDN/NFV in Integrated mmWave Access and Mesh Backhaul Networks.
IEICE Trans. Commun.
Makoto Nakamura, Hiroaki Nishiuchi, Jin Nakazato, Konstantin Koslowski, Julian Daube, Ricardo Santos, Gia Khanh Tran, Kei Sakaguchi
2021 J jnl
Market Analysis of MEC-Assisted Beyond 5G Ecosystem.
IEEE Access
Jin Nakazato, Makoto Nakamura, Tao Yu, Zongdian Li, Kazuki Maruta, Gia Khanh Tran, Kei Sakaguchi
2021 — conf
Multi-UAV Full-Duplex Communication Systems for Joint Video Transmission and Flight Control.
CCWC
Tao Yu, Shunya Imada, Kiyomichi Araki, Kei Sakaguchi
2021 — conf
Research on the Placement Method of UAV Base Stations for Dynamic Users.
APWCS
Masanori Ozasa, Gia Khanh Tran, Kei Sakaguchi
2021 J jnl
Towards mmWave V2X in 5G and Beyond to Support Automated Driving.
IEICE Trans. Commun.
Kei Sakaguchi, Ryuichi Fukatsu, Tao Yu, Eisuke Fukuda, Kim Mahler, Robert W. Heath Jr., Takeo Fujii, Kazuaki Takahashi, Alexey Khoryaev, Satoshi Nagata, Takayuki Shimizu
2021 J jnl
ZigZag Antenna Configuration for MmWave V2V with Relay in Typical Road Scenarios: Design, Analysis and Experiment.
IEICE Trans. Commun.
Yue Yin, Haoze Chen, Zongdian Li, Tao Yu, Kei Sakaguchi
2020 — conf
Design of Antenna Configuration for Interference Control in MmWave V2V Communication Systems.
VTC Fall
Yue Yin, Haoze Chen, Zongdian Li, Ryuichi Fukatsu, Tao Yu, Kei Sakaguchi
2020 — conf
Design of MEC 5G Cellular Networks: Viewpoints from Telecom Operators and Backhaul Owners.
ICC Workshops
Jin Nakazato, Makoto Nakamura, Tao Yu, Zongdian Li, Gia Khanh Tran, Kei Sakaguchi
2020 — conf
Design of Millimeter-wave UAV Base Station for Access Link.
VTC Fall
Masanori Ozasa, Jin Nakazato, Kousuke Hirata, Gia Khanh Tran, Kei Sakaguchi
2020 — conf
Proof-of-Concept of Uncompressed 4K Video Transmission from Drone through mmWave.
CCNC
Yoshitaka Takaku, Yohei Kaieda, Tao Yu, Kei Sakaguchi
2020 J jnl
Towards mmWave V2X in 5G and Beyond to Support Automated Driving.
CoRR
Kei Sakaguchi, Ryuichi Fukatsu, Tao Yu, Eisuke Fukuda, Kim Mahler, Robert W. Heath Jr., Takeo Fujii, Kazuaki Takahashi, Alexey Khoryaev, Satoshi Nagata, Takayuki Shimizu
2020 — conf
mmWave Massive Analog Relay MIMO for Improvement of Channel Capacity.
WCNC Workshops
Yuichiro Sugihara, Kei Sakaguchi
2019 J jnl
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions.
IEICE Trans. Commun.
Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2019 B conf
Benefits of MEC in 5G Cellular Networks from Telecom Operator's View Points.
GLOBECOM
Jin Nakazato, Makoto Nakamura, Tao Yu, Gia Khanh Tran, Kei Sakaguchi
2019 — conf
Interference Management for Millimeter-wave Mesh Backhaul Networks.
CCNC
Makoto Nakamura, Gia Khanh Tran, Kei Sakaguchi
2019 — conf
Millimeter-Wave V2V Communications with Cooperative Perception for Automated Driving.
VTC Spring
Ryuichi Fukatsu, Kei Sakaguchi
2019 — conf
Outdoor Experiment of mmWave Meshed Backhaul for Realtime Edge Content Delivery.
WCNC Workshops
Gia Khanh Tran, Makoto Nakamura, Hiroaki Nishiuchi, Kei Sakaguchi, Ricardo Santos, Konstantin Koslowski
2019 — conf
Performance Evaluation of Prefetching Algorithm for Real-Time Edge Content Delivery in 5G System.
VTC Fall
Makoto Nakamura, Hiroaki Nishiuchi, Konstantin Koslowski, Julian Daube, Ricardo Santos, Gia Khanh Tran, Kei Sakaguchi
2019 B conf
Proof-of-Concept of a SDN Based mmWave V2X Network for Safe Automated Driving.
GLOBECOM
Zongdian Li, Tao Yu, Ryuichi Fukatsu, Gia Khanh Tran, Kei Sakaguchi
2019 — conf
Revenue Model with Multi-Access Edge Computing for Cellular Network Architecture.
ICUFN
Jin Nakazato, Tao Yu, Gia Khanh Tran, Kei Sakaguchi
2019 J jnl
mmWave Backhaul Testbed Configurability Using Software-Defined Networking.
Wirel. Commun. Mob. Comput.
Ricardo Santos, Konstantin Koslowski, Julian Daube, Hakim Ghazzai, Andreas Kassler, Kei Sakaguchi, Thomas Haustein
2018 J jnl
A Guide of Fingerprint Based Radio Emitter Localization Using Multiple Sensors.
IEICE Trans. Commun.
Tao Yu, Azril Haniz, Kentaro Sano, Ryosuke Iwata, Ryouta Kosaka, Yusuke Kuki, Gia Khanh Tran, Jun-ichi Takada, Kei Sakaguchi
2018 J jnl
A Guide of Fingerprint Based Radio Emitter Localization using Multiple Sensors.
CoRR
Tao Yu, Azril Haniz, Kentaro Sano, Ryosuke Iwata, Ryouta Kosaka, Yusuke Kuki, Gia Khanh Tran, Jun-ichi Takada, Kei Sakaguchi
2018 J jnl
A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions.
CoRR
Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2018 — conf
Architecture of mmWave Edge Cloud in 5G-MiEdge.
ICC Workshops
Gia Khanh Tran, Hiroaki Nishiuchi, Valerio Frascolla, Koji Takinami, Antonio De Domenico, Emilio Calvanese Strinati, Thomas Haustein, Kei Sakaguchi, Sergio Barbarossa, Sergio Barberis, Katsuo Yunoki
2018 J jnl
Context-Based Dynamic Meshed Backhaul Construction for 5G Heterogeneous Networks.
J. Sens. Actuator Networks
Gia Khanh Tran, Ricardo Santos, Hiroaki Ogawa, Makoto Nakamura, Kei Sakaguchi, Andreas Kassler
2018 B conf
Millimeter-waves, MEC, and network softwarization as enablers of new 5G business opportunities.
WCNC
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
2018 — conf
Performance Evaluation of 5G mmWave Edge Cloud with Prefetching Algorithm - Invited Paper.
VTC Spring
Hiroaki Nishiuchi, Gia Khanh Tran, Kei Sakaguchi
2018 — conf
SDN Orchestration to Optimize Meshed Millimeter-Wave Backhaul Networks for MEC-Enhanced eMBB Use Cases.
BMSB
Konstantin Koslowski, Ricardo Santos, Wilhelm Keusgen, Thomas Haustein, Andreas Kassler, Kei Sakaguchi, Hiroaki Ogawa, Makoto Nakamura, Tao Yu
2018 J jnl
User Satisfaction Constraint Adaptive Sleeping in 5G mmWave Heterogeneous Cellular Network.
IEICE Trans. Commun.
Gia Khanh Tran, Hidekazu Shimodaira, Kei Sakaguchi
2017 — conf
5G-MiEdge: Design, standardization and deployment of 5G phase II technologies: MEC and mmWaves joint development for Tokyo 2020 Olympic games.
CSCN
Valerio Frascolla, Federico Miatton, Gia Khanh Tran, Koji Takinami, Antonio De Domenico, Emilio Calvanese Strinati, Konstantin Koslowski, Thomas Haustein, Kei Sakaguchi, Sergio Barbarossa, Sergio Barberis
2017 J jnl
A Novel Phase-Difference Fingerprinting Technique for Localization of Unknown Emitters.
IEEE Trans. Veh. Technol.
Azril Haniz, Gia Khanh Tran, Kentaro Saito, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata
2017 J jnl
Design and Implementation of Lighting Control System Using Battery-Less Wireless Human Detection Sensor Networks.
IEICE Trans. Commun.
Tao Yu, Yusuke Kuki, Gento Matsushita, Daiki Maehara, Seiichi Sampei, Kei Sakaguchi
2017 J jnl
Design and implementation of lighting control system using battery-less wireless human detection sensor networks.
CoRR
Tao Yu, Yusuke Kuki, Gento Matsushita, Daiki Maehara, Seiichi Sampei, Kei Sakaguchi
2017 — conf
Energy monitoring and management in 5G integrated fronthaul and backhaul.
EuCNC
Osamah Ibrahiem Abdullaziz, Marco Capitani, Claudio Ettore Casetti, Carla-Fabiana Chiasserini, Shahzoob Bilal Chundrigar, Giada Landi, Xi Li, Francesca Moscatelli, Kei Sakaguchi, Samer T. Talat
2017 — conf
Experimental work on WiGig coverage area management and beamforming training using Wi-Fi fingerprint.
CCNC
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2017 — conf
MmWave meshed network with traffic and energy management mechanism.
SPAWC
Kei Sakaguchi, Gia Khanh Tran, Hiroaki Ogawa
2017 — conf
Novel Resource and Energy Management for 5G integrated backhaul/fronthaul (5G-Crosshaul).
ICC Workshops
Xi Li, Raihana Ferdous, Carla-Fabiana Chiasserini, Claudio Ettore Casetti, Francesca Moscatelli, Giada Landi, Ramon Casellas, Kei Sakaguchi, Shahzoob Bilal Chundrigar, Ricard Vilalta, Josep Mangues, Andres Garcia-Saavedra, Xavier Costa-Pérez, Leonardo Goratti, Domenico Siracusa
2017 J jnl
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion.
CoRR
Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki
2017 J jnl
Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion.
IEICE Trans. Commun.
Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki
2017 — conf
Traffic adaptive formation of mmWave meshed backhaul networks.
ICC Workshops
Hiroaki Ogawa, Gia Khanh Tran, Kei Sakaguchi, Thomas Haustein
2017 — conf
Turning the Knobs on OpenFlow-Based Resiliency in mmWave Small Cell Meshed Networks.
GLOBECOM Workshops
Ricardo Santos, Hiroaki Ogawa, Gia Khanh Tran, Kei Sakaguchi, Andreas Kassler
2017 J jnl
Where, When, and How mmWave is Used in 5G and Beyon.
CoRR
Kei Sakaguchi, Thomas Haustein, Sergio Barbarossa, Emilio Calvanese Strinati, Antonio Clemente, Giuseppe Destino, Aarno Pärssinen, Il-Gyu Kim, Hee-Sang Chung, Junhyeong Kim, Wilhelm Keusgen, Richard J. Weiler, Koji Takinami, Elena Ceci, Ali Sadri, Liang Xian, Alexander Maltsev, Gia Khanh Tran, Hiroaki Ogawa, Kim Mahler, Robert W. Heath Jr.
2017 J jnl
Where, When, and How mmWave is Used in 5G and Beyond.
IEICE Trans. Electron.
Kei Sakaguchi, Thomas Haustein, Sergio Barbarossa, Emilio Calvanese Strinati, Antonio Clemente, Giuseppe Destino, Aarno Pärssinen, Ilgyu Kim, Hee-Sang Chung, Junhyeong Kim, Wilhelm Keusgen, Richard J. Weiler, Koji Takinami, Elena Ceci, Ali Sadri, Liang Xian, Alexander Maltsev, Gia Khanh Tran, Hiroaki Ogawa, Kim Mahler, Robert W. Heath Jr.
2017 J jnl
Wi-Fi Coordinated WiGig Concurrent Transmissions in Random Access Scenarios.
IEEE Trans. Veh. Technol.
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2016 J jnl
Channel Measurement and Modeling for 5G Urban Microcellular Scenarios.
Sensors
Michael Peter, Richard J. Weiler, Baris Göktepe, Wilhelm Keusgen, Kei Sakaguchi
2016 J jnl
Diamond Cellular Network - Optimal Combination of Small Power Basestations and CoMP Cellular Networks -.
IEICE Trans. Commun.
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shinobu Nanba, Satoshi Konishi
2016 J jnl
Environment Induced Shadowing of Urban Millimeter-Wave Access Links. 440-44
IEEE Wirel. Commun. Lett.
Richard J. Weiler, Michael Peter, Wilhelm Keusgen, Kei Sakaguchi, Fabian Undi
2016 J jnl
Experimental Study on Battery-Less Sensor Network Activated by Multi-Point Wireless Energy Transmission.
IEICE Trans. Commun.
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Experimental Study on Battery-less Sensor Network Activated by Multi-point Wireless Energy Transmission.
CoRR
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Practical Implementation of Spectrum Sensing and Signal Detection for Satellite Broadcasting Systems.
IEICE Trans. Commun.
Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 — conf
Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks.
WCNC Workshops
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2016 B conf
Practical evaluation of on-demand smallcell ON/OFF based on traffic model for 5G cellular networks.
WCNC
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Proof-of-Concept of a Millimeter-Wave Integrated Heterogeneous Network for 5G Cellular.
Sensors
Shozo Okasaka, Richard J. Weiler, Wilhelm Keusgen, Andrey Pudeyev, Alexander Maltsev, Ingolf Karls, Kei Sakaguchi
2016 J jnl
Robust and Low Complexity Bandwidth and Carrier Frequency Estimation for Cognitive Radio.
IEICE Trans. Commun.
Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2016 J jnl
Wi-Fi/WiGig Coordination for Optimal WiGig Concurrent Transmissions in Random Access Scenario.
CoRR
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2016 — conf
Wi-Fi/WiGig Coordination for Optimal WiGig Concurrent Transmissions in Random Access Scenarios.
VTC Spring
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2015 — conf
Cell discovery in 5G HetNets using location-based cell selection.
CSCN
Roya E. Rezagah, Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Shinobu Nanba
2015 J jnl
Delayed Offloading using Cloud Cooperated Millimeter Wave Gates.
CoRR
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2015 — conf
Delayed offloading zone associations using cloud cooperated heterogeneous networks.
WCNC Workshops
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2015 — conf
Deployment of LED light control system using battery-less wireless human detection sensor networks.
RFID-TA
Tao Yu, Yusuke Kuki, Gento Matsushita, Daiki Maehara, Seiichi Sampei, Kei Sakaguchi
2015 B conf
Dynamic cell activation and user association for green 5G heterogeneous cellular networks.
PIMRC
Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki
2015 — conf
Investigation on millimeter-wave spectrum for 5G.
CSCN
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2015 — conf
Localization of illegal radios utilizing cross-correlation of channel impulse response with interpolation in urban scenarios.
MILCOM
Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata
2015 J jnl
Millimeter Wave Beamforming Based on WiFi Fingerprinting in Indoor Environment.
CoRR
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2015 — conf
Millimeter wave beamforming based on WiFi fingerprinting in indoor environment.
ICC Workshops
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2015 J jnl
Millimeter-Wave Evolution for 5G Cellular Networks.
IEICE Trans. Commun.
Kei Sakaguchi, Gia Khanh Tran, Hidekazu Shimodaira, Shinobu Nanba, Toshiaki Sakurai, Koji Takinami, Isabelle Siaud, Emilio Calvanese Strinati, Antonio Capone, Ingolf Karls, Reza Arefi, Thomas Haustein
2015 J jnl
Millimeter-Wave Wireless LAN and Its Extension toward 5G Heterogeneous Networks.
IEICE Trans. Commun.
Kei Sakaguchi, Ehab Mahmoud Mohamed, Hideyuki Kusano, Makoto Mizukami, Shinichi Miyamoto, Roya E. Rezagah, Koji Takinami, Kazuaki Takahashi, Naganori Shirakata, Hailan Peng, Toshiaki Yamamoto, Shinobu Nanba
2015 J jnl
Millimeter-wave Wireless LAN and its Extension toward 5G Heterogeneous Networks.
CoRR
Kei Sakaguchi, Ehab Mahmoud Mohamed, Hideyuki Kusano, Makoto Mizukami, Shinichi Miyamoto, Roya E. Rezagah, Koji Takinami, Kazuaki Takahashi, Naganori Shirakata, Hailan Peng, Toshiaki Yamamoto, Shinobu Nanba
2015 J jnl
Propagation Channel Interpolation for Fingerprint-Based Localization of Illegal Radios.
IEICE Trans. Commun.
Azril Haniz, Gia Khanh Tran, Ryosuke Iwata, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata
2015 J jnl
WiFi Assisted Multi-WiGig AP Coordination for Future Multi-Gbps WLANs.
CoRR
Ehab Mahmoud Mohamed, Hideyuki Kusano, Kei Sakaguchi, Seiichi Sampei
2015 B conf
WiFi assisted multi-WiGig AP coordination for future multi-Gbps WLANs.
PIMRC
Ehab Mahmoud Mohamed, Hideyuki Kusano, Kei Sakaguchi, Seiichi Sampei
2014 J jnl
A Spatial Fading Emulator for Evaluation of MIMO Antennas in a Cluster Environment.
IEICE Trans. Commun.
Tsutomu Sakata, Atsushi Yamamoto, Koichi Ogawa, Hiroshi Iwai, Jun-ichi Takada, Kei Sakaguchi
2014 Misc conf
Base station antenna configuration for robust MU-MIMO.
ICCS
Takuya Ishihara, Kei Sakaguchi, Seiichi Sampei, Gia Khanh Tran
2014 B conf
Cell association method for multiband heterogeneous networks.
PIMRC
Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi
2014 B conf
Delayed offloading using cloud cooperated millimeter wave gates.
PIMRC
Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei
2014 — conf
Enabling 5G backhaul and access with millimeter-waves.
EuCNC
Richard J. Weiler, Michael Peter, Wilhelm Keusgen, Emilio Calvanese Strinati, Antonio De Domenico, Ilario Filippini, Antonio Capone, Isabelle Siaud, Anne-Marie Ulmer-Moll, Alexander Maltsev, Thomas Haustein, Kei Sakaguchi
2014 J jnl
Experiments Validating the Effectiveness of Multi-Point Wireless Energy Transmission with Carrier Shift Diversity.
IEICE Trans. Commun.
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Minoru Furukawa
2014 J jnl
Experiments Validating the Effectiveness of Multi-point Wireless Energy Transmission with Carrier Shift Diversity.
CoRR
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Minoru Furukawa
2014 — conf
Global standards enabling a 5
GLOBECOM Workshops
Markus Dominik Mueck, Ingolf Karls, Reza Arefi, Thomas Haustein, Richard J. Weiler, Kei Sakaguchi
2014 J jnl
Large Scale Cooperation in Cellular Networks with Non-uniform User Distribution.
IEICE Trans. Commun.
Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi
2014 J jnl
Millimeter-wave Evolution for 5G Cellular Networks.
CoRR
Kei Sakaguchi, Gia Khanh Tran, Hidekazu Shimodaira, Shinobu Nanba, Toshiaki Sakurai, Koji Takinami, Isabelle Siaud, Emilio Calvanese Strinati, Antonio Capone, Ingolf Karls, Reza Arefi, Thomas Haustein
2014 B conf
Outdoor millimeter-wave access for heterogeneous networks - Path loss and system performance.
PIMRC
Richard J. Weiler, Michael Peter, Wilhelm Keusgen, Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi
2013 J jnl
An Efficient Relay Node Placement Scheme for Two-Way MIMO Multi-Hop Networks in Practical Indoor Environments.
IEEE Trans. Wirel. Commun.
Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2013 J jnl
An Efficient Relay Placement Method with Power Allocation for MIMO Two-Way Multi-Hop Networks.
IEICE Trans. Commun.
Gia Khanh Tran, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki
2013 — conf
Cloud cooperated heterogeneous cellular networks.
ISPACS
Kei Sakaguchi, Seiichi Sampei, Hidekazu Shimodaira, Roya E. Rezagah, Gia Khanh Tran, Kiyomichi Araki
2013 — conf
Diamond cellular network - Optimal combination of small power basestations and CoMP cellular networks-.
PIMRC Workshops
Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Kei Sakaguchi, Satoshi Konishi, Shinobu Nanba
2013 J jnl
Distributed Power Control Network and Green Building Test-Bed for Demand Response in Smart Grid.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Kei Sakaguchi, Van Ky Nguyen, Tao Yu, Gia Khanh Tran, Kiyomichi Araki
2013 J jnl
Distributed Power Control Network and Green Building Test-bed for Demand Response in Smart Grid
CoRR
Kei Sakaguchi, Van Ky Nguyen, Tao Yu, Gia Khanh Tran, Kiyomichi Araki
2013 B conf
Experiment on MIMO cognitive radio using Tx/Rx beamforming.
PIMRC
Ryosuke Iwata, Vutha Va, Kei Sakaguchi, Kiyomichi Araki
2013 B conf
Experiment on battery-less sensor activation via multi-point wireless energy transmission.
PIMRC
Daiki Maehara, Ryota Akai, Gia Khanh Tran, Kei Sakaguchi, Seiichi Sampei, Kiyomichi Araki, Hiroshi Iwai
2013 — conf
Large scale cooperation in cellular networks with non-uniform user distribution.
GLOBECOM Workshops
Roya E. Rezagah, Daisuke Matsuo, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi
2013 J jnl
Optimization of Picocell Locations and Its Parameters in Heterogeneous Networks with Hotspots.
IEICE Trans. Commun.
Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2012 J jnl
A Study of Trade-Off Between Opportunistic Resource Allocation and Interference Alignment in Femtocell Scenarios.
IEEE Wirel. Commun. Lett.
Namzilp Lertwiram, Petar Popovski, Kei Sakaguchi
2012 J jnl
A Study of Trade-off between Opportunistic Resource Allocation and Interference Alignment in Femtocell Scenarios
CoRR
Namzilp Lertwiram, Petar Popovski, Kei Sakaguchi
2012 — conf
Distributed Optimization of Transceiver Weights in MIMO Two-Way Multihop Networks.
VTC Spring
Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 B conf
Experiment on MIMO two-way relaying using transmit beamforming.
PIMRC
Vutha Va, Keiichi Mizutani, Yutaro Kida, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto
2012 — conf
Experimental study on multi-point wireless energy transmission at 950 MHz band.
ISSSE
Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto, Minoru Furukawa
2012 Misc conf
Multi-sensor location estimation for illegal cell-phone use in real-life indoor environment.
ICCS
Kentaro Sano, Gia Khanh Tran, Masahiro Watanabe, Kei Sakaguchi, Kiyomichi Araki, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata
2012 — conf
Multi-user Data Sharing using Coordinator with Network Coding and Layered Transmission.
EW
Keiichi Mizutani, Kei Sakaguchi, Thomas Haustein
2012 — conf
Network Synchronization Scheme for Scalable Two-Way Multi-Hop Network Employing MIMO Network Coding.
VTC Spring
Yutaro Kida, Keiichi Mizutani, Gia Khanh Tran, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki
2012 B conf
Optimization of picocell locations and its parameters in heterogeneous networks with hotspots.
PIMRC
Hidekazu Shimodaira, Gia Khanh Tran, Shinichi Tajima, Kei Sakaguchi, Kiyomichi Araki, Noriaki Miyazaki, Shoji Kaneko, Satoshi Konishi, Yoji Kishi
2012 J jnl
Performance Analysis of MIMO Relay Network via Propagation Measurement in L-Shaped Corridor Environment.
IEICE Trans. Commun.
Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Performance Comparison between Open Loop and Closed Loop MIMO-OFDM Schemes Using Analytical Approach.
IEICE Trans. Commun.
Minjee Kim, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Prototype Hardware for TDD Two-Way Multi-Hop Relay Network Using MIMO Network Coding.
IEICE Trans. Commun.
Keiichi Mizutani, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki
2012 — conf
Relay Placement of Two-Way Multi-Hop Relay Network with Power Adaptation in a Realistic Shadowing Environment.
VTC Spring
Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2012 — conf
Shared Remote Radio Head architecture to realize semi-dynamic clustering in CoMP cellular networks.
GLOBECOM Workshops
Daisuke Matsuo, Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2012 J jnl
Single Front-End MIMO Architecture with Parasitic Antenna Elements.
IEICE Trans. Commun.
Mitsuteru Yoshida, Kei Sakaguchi, Kiyomichi Araki
2012 J jnl
Study on Resource Optimization for Heterogeneous Networks.
IEICE Trans. Commun.
Gia Khanh Tran, Shinichi Tajima, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi
2011 B conf
A study on beam tilt angle of base station antennas for Base Station Cooperation systems.
PIMRC
Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki, Takayuki Sotoyama
2011 B conf
A study on design of spatial fading emulator based on Clarke's model.
PIMRC
Daisuke Matsuo, Maki Arai, Kei Sakaguchi, Kiyomichi Araki
2011 J jnl
Dynamic Fractional Base Station Cooperation Using Shared Distributed Remote Radio Units for Advanced Cellular Networks.
IEICE Trans. Commun.
Naoki Kusashima, Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi
2011 — conf
Spectrum allocation strategies for heterogeneous networks.
CrownCom
Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi, Noriaki Miyazaki
2011 — conf
Wireless Grid: Enabling Ubiquitous Sensor Networks with Wireless Energy Supply.
VTC Spring
Ragil Putro Wicaksono, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
An Efficient Retransmission Scheme for MIMO Two-Way Relay Network Employing Network Coding.
VTC Spring
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 B conf
Dynamic cooperation set clustering on base station cooperation cellular networks.
PIMRC
Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Effect of Power Allocation Schemes on MIMO Two-Way Multi-Hop Network.
IEICE Trans. Commun.
Jonghyun Lee, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
Hardware Prototype for Two-Way Multi-Hop Relay Network with MIMO Network Coding.
VTC Spring
Keiichi Mizutani, Takehiro Miyamoto, Takamichi Kanno, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Impact of Base Station Cooperation on Cell Planning.
EURASIP J. Wirel. Commun. Netw.
Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi
2010 J jnl
MIMO Network Coding-Based PHY/MAC Protocol for Replacement of CSMA/CA in Efficient Two-Way Multihop Relay Networks.
EURASIP J. Wirel. Commun. Netw.
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
MIMO Radio Propagation Measurement for Two-Hop Relay Network on L-Shaped Corridor with Network Performance Analysis.
VTC Spring
Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
Network Synchronization for Two-Way Multi-Hop Relay Networks with Block Modulation.
VTC Spring
Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki
2010 — conf
On the spectral efficiency of MIMO two-way multihop networks with co-existing flows.
CrownCom
Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2010 J jnl
Performance Evaluation of Spatial Correlation Characteristics for Handset Antennas Using Spatial Fading Emulator Based on Clarke's Model.
IEICE Trans. Commun.
Hiroshi Iwai, Kei Sakaguchi, Tsutomu Sakata, Atsushi Yamamoto
2010 B conf
Routing and Power Allocation in MIMO Two-Way Multihop Networks: A New Cross-Layer Approach to Mitigate Interference.
GLOBECOM
Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
The Gaussian MIMO Broadcast Channel under Receive Power Protection Constraints.
IEICE Trans. Commun.
Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Topology Design and Performance Evaluation of Wireless Sensor Network Based on MIMO Channel Capacity.
IEICE Trans. Commun.
Ky Leng, Kei Sakaguchi, Kiyomichi Araki
2010 J jnl
Wireless Distributed Network: For Flexible Networking and Radio Resource Management.
IEICE Trans. Commun.
Seiichi Sampei, Kei Sakaguchi, Shinsuke Ibi, Koji Yamamoto
2009 J jnl
2D MIMO Network Coding with Inter-Route Interference Cancellation.
IEICE Trans. Commun.
Gia Khanh Tran, Kei Sakaguchi, Fumie Ono, Kiyomichi Araki
2009 J jnl
Performance Evaluation of Wireless Sensor Network Based on MIMO Relaying Channel Capacity.
IEICE Trans. Commun.
Ky Leng, Kei Sakaguchi, Kiyomichi Araki
2009 J jnl
STBC MIMO Network Coding for Bi-directional Multi-Hop Relay Networks.
IEICE Trans. Commun.
Fumie Ono, Kei Sakaguchi
2009 B conf
Wireless mesh network performance: MIMO two-way relay vs. CSMA/CA based protocols.
PIMRC
Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki
2008 B conf
Cell Planning for Cooperative Transmission.
WCNC
Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki
2008 J jnl
MIMO Spatial Spectrum Sharing for High Efficiency Mesh Network.
IEICE Trans. Commun.
Fumie Ono, Kei Sakaguchi
2008 J jnl
Multi-Channel Multi-Stage Transmultiplexing Digital Down Converter and Its Application to RFID (ISO18000-3 mode 2) Reader/Writer.
IEICE Trans. Commun.
Yuichi Nakagawa, Kei Sakaguchi, Hideki Kawamura, Kyoji Ohashi, Masahiro Muraguchi, Kiyomichi Araki
2008 J jnl
Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks.
IEICE Trans. Commun.
Hiromasa Uchiyama, Kenta Umebayashi, Takeo Fujii, Fumie Ono, Kei Sakaguchi, Yukihiro Kamiya, Yasuo Suzuki
2007 J jnl
3-D Angular Spectrum Measurements at 5 GHz in a Residential Two-Story House.
IEICE Trans. Commun.
Hiroshi Iwai, Tsutomu Sakata, Atsushi Yamamoto, Kei Sakaguchi
2007 B conf
Multiple Access Interference Cancellation and Link Multiplexing for MIMO Mesh Network.
ICCCN
Kei Sakaguchi, Fumie Ono
2007 B conf
Multiple Access Interference Cancellation and Link Multiplexing for MIMO Mesh Network.
PIMRC
Fumie Ono, Kei Sakaguchi
2007 — conf
Novel Multi-Stage Transmultiplexing Digital Down Converter for Implementation of RFID (ISO18000-3 MODE 2) Reader/Writer.
VTC Spring
Yuichi Nakagawa, Masahiro Muraguchi, Hideki Kawamura, Kyoji Ohashi, Kei Sakaguchi, Kiyomichi Araki
2007 B conf
Study on Cooperative Sensing in Cognitive Radio based AD-HOC Network.
PIMRC
Hiromasa Uchiyama, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki, Takeo Fujii, Fumie Ono, Kei Sakaguchi
2006 J jnl
A Markov-Kronecker model for analysis of closed-loop MIMO systems.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 J jnl
A robust and low complexity adaptive algorithm for mimo eigenmode transmission system with experimental validation.
IEEE Trans. Wirel. Commun.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 J jnl
Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements.
IEICE Trans. Commun.
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2006 B conf
Experimental Analysis of MIMO-OFDM Eigenmode Transmission with MMSE Interference Canceller.
PIMRC
Yuichi Kakishima, Hai Doan Le, See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2006 — conf
Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission.
VTC Spring
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2006 — conf
Performance Analysis of MIMO-OFDM Systems using Indoor Wideband MIMO Channel Measurement Data.
VTC Spring
Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2006 J jnl
Spatial Fading Simulator Using a Cavity-Excited Circular Array (CECA) for Performance Evaluation of Antenna Arrays.
IEICE Trans. Commun.
Chulgyun Park, Jun-ichi Takada, Kei Sakaguchi, Takashi Ohira
2005 B conf
An Effective IQ Imbalance Compensation Scheme for MIMO-OFDM Communication System.
PIMRC
Hiroyuki Kamata, Kei Sakaguchi, Kiyomichi Araki
2005 J jnl
Differential quantization of eigenmodes for MIMO eigenmode transmission systems.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2005 J jnl
MIMO Channel Capacity in an Indoor Line-Of-Sight (LOS) Environment.
IEICE Trans. Commun.
Kei Sakaguchi, Hai-Yeow-Eugene Chua, Kiyomichi Araki
2005 B conf
Measurements on Area Coverage of 5GHZ Band MIMO-OFDM System in Residential Home Environment.
PIMRC
Nguyen Dung Dao, Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa
2004 B conf
A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system under practical conditions.
PIMRC
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki
2004 — conf
Development of 4 × 4 MIMO-OFDM system and test measurement.
EUSIPCO
Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki
2004 B conf
Experimental and analytical investigation of MIMO channel capacity in an indoor line-of-sight (LOS) environment.
PIMRC
Hai-Yeow-Eugene Chua, Kei Sakaguchi, Kiyomichi Araki
2004 J jnl
On the practical performance of VBLAST.
IEEE Commun. Lett.
See Ho Ting, Kei Sakaguchi, Kiyomichi Araki