東京工業大学   大学院理工学研究科   准教授

2008年4月 - 2012年3月

東京工業大学   大学院理工学研究科   助手

2000年5月 - 2008年3月

Resilient mmWave Multi-Hop Multi-User Massive Relay MIMO for 6G Networks 査読

Suwen Ke, Kei Sakaguchi, Gia Khanh Tran

2025 IEEE Wireless Communications and Networking Conference (WCNC)   2025年3月

Design of Remote Smart Agriculture System Using LEO Satellite Communications and Solar Power Generation 査読

Shieru Otsuka, Kuniaki Uto, Tadashi Kawamoto, Kei Sakaguchi

2025 IEEE International Conference on Consumer Electronics (ICCE)   1 - 6   2025年1月

Design of Digital Twin-Based Digital Signage Advertisement Platform 査読

Toru Ooka, Zongdian Li, Kelvin Cheng, Daisuke Ichihashi, Kei Sakaguchi

2025 IEEE 22nd Consumer Communications & Networking Conference (CCNC)   01 - 04   2025年1月

Millimeter-Wave Massive Analog Relay MU-MIMO With Blocking-Empowered User Scheduling Toward 6G 査読

Suwen Ke, Gia Khanh Tran, Zongdian Li, Kei Sakaguchi

IEEE Open Journal of the Communications Society   Vol. 6 ( 2644-125X )   1 - 12   2024年12月

Digital Twin-Empowered Routing Management for Reliable Multi-Hop Millimeter Wave V2X 査読

Supat Roongpraiwan, Zongdian Li, Tao Yu, Kei Sakaguchi

2024 IEEE 100th Vehicular Technology Conference (VTC2024-Fall)   1 - 6   2024年10月

Revolutionizing Over-the-Air Updates: Practical Dual-band V2X Measurements. 査読

Sherief Hashima, Zongdian Li, Kohei Hatano, Kei Sakaguchi

VTC Fall   1 - 5   2024年10月

Augmented Intelligence in Smart Intersections: Local Digital Twins-Assisted Hybrid Autonomous Driving 査読 国際共著

Kui Wang, Kazuma Nonomura, Zongdian Li, Tao Yu, Kei Sakaguchi, Omar Hashash, Walid Saad, Changyang She, Yonghui Li

IEEE Transactions on Intelligent Vehicles   1 - 15   2024年10月

The Seven Worlds and Experiences of the Wireless Metaverse: Challenges and Opportunities 査読 国際共著

Omar Hashash, Christina Chaccour, Walid Saad, Tao Yu, Kei Sakaguchi, Merouane Debbah

IEEE Communications Magazine   1 - 8   2024年8月

Internet of Federated Digital Twins: Connecting Twins Beyond Borders for Society 5.0 査読 国際共著

Tao Yu, Zongdian Li, Omar Hashash, Kei Sakaguchi, Walid Saad, Merouane Debbah

IEEE Internet of Things Magazine, July 2024   Vol. 7 ( No. 5 )   2024年7月

UAV-Aided Lifelong Learning for AoI and Energy Optimization in Non-Stationary IoT Networks 査読 国際共著

Zhenzhen Gong, Omar Hashash, Yingze Wang, Qimei Cui, Wei Ni, Walid Saad, Kei Sakaguchi

IEEE Internet of Things Journal   2024年5月

Smart Mobility Digital Twin Based Automated Vehicle Navigation System: A Proof of Concept 査読

Kui Wang, Zongdian Li, Kazuma Nonomura, Tao Yu, Kei Sakaguchi, Omar Hashash, Walid Saad

IEEE Transactions on Intelligent Vehicles   Vol. 9 ( Issue 3. )   4348 - 4361   2024年2月

Digital Twin-Based Transfer Learning for Collaborative Robot Systems: A Proof of Concept 査読 国際共著

Supat Roongpraiwan, Zongdian Li, Mohsen Pourghasemian, Haris Gacanin, Kei Sakaguchi

2024 International Conference on Information Networking (ICOIN)   593 - 598   2024年1月

Digital Twins for Autonomous Driving: A Comprehensive Implementation and Demonstration 査読 国際共著

Kui Wang, Tao Yu, Zongdian Li, Kei Sakaguchi, Omar Hashash, Walid Saad

2024 International Conference on Information Networking (ICOIN)   452 - 457   2024年1月

Proof-of-Concept of Digital Twin for Road Safety Assisted by B5G Heterogeneous MEC Network 査読

Kazuma Nonomura, Kui Wang, Gunhee Cho, Hiroki Matsuo, Jin Nakazato, Zongdian Li, Tao Yu, Kei Sakaguchi

IEEE 21st Consumer Communications & Networking Conference (CCNC, Las Vegas, US)   2024年1月

The Future of Flying Base Stations: Empirical and Numerical Investigations of mmWave-Enabled UAVs 査読

Ryunosuke Masaoka, Gia Khanh Tran, Jin Nakazato, Kei Sakaguchi

Future Internet   2023年12月

MmWave Multi-beam V2X with Fountain Code for Joint Ultra-Broadband, Reliable, and Low Latency Communication 査読

S. Habu, K. Sakaguchi, G.K. Tran

The 2023 IEEE 98th Vehicular Technology Conference: VTC2023-Fall (Hong Kong)   2023年10月

Field Trial of AR-based Radio Signal Visualization for Better Deployment of mmWave 5G and Beyond. 査読

Naoya Okubo, Jin Nakazato, Kei Sakaguchi

The 2023 IEEE 98th Vehicular Technology Conference: VTC2023-Fall (Hong Kong)   2023年10月

Multi-User MIMO Based on Millimeter Wave Massive Analog Relay Stations 査読

Suwen Ke, Kei Sakaguchi, Gia Khanh Tran, Masashi Iwabuchi, Tomoki Murakami

IEEE 34th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2023, Toronto, Canada)   2023年9月

Optimization of UAV 3D Trajectory in a Post-Disaster Area Using Dual Energy-Aware Bandits 査読

Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi

IEICE Communications Express   2023年8月

Towards a Decentralized Metaverse: Synchronized Orchestration of Digital Twins and Sub-Metaverses 査読

Hashash, Omar, Christina Chaccour, Walid Saad, Kei Sakaguchi, Tao Yu

IEEE International Conference on Communications(ICC2023, Rome Italy)   2023年5月

UAV Trajectory Optimization in a Post-Disaster Area Using Dual Energy-Aware Bandits 査読

Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi

Sensors   2023年1月

User-Driven Relay Beamforming for mmWave Massive Analog-Relay MIMO 査読

Masashi Iwabuchi, Yoghitha Ramamoorthi, Kei Sakaguchi

Sensors   2023年1月

Implementation of the Data Conversion Function for Wireless Environments for Beyond 5G Applications. 査読

Keishi Tokugawa, Jin Nakazato, Hiroki Matsuo, Keiichi Kubota, Kei Sakaguchi

20th IEEE Consumer Communications & Networking Conference(CCNC 2023, Las Vegas US)   2023年1月

Reshape Car-Sharing System for Super Smart Society: A Digital Twin-Based Method and Implementation. 査読

Nonomura Kazuma, Tao Yu, Kei Sakaguchi

The 41st IEEE International Conference on Consumer Electronics (ICCE2023, Las Vegas USA)   2023年1月

Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas. 査読

Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi

20th IEEE Consumer Communications & Networking Conference(CCNC 2023, Las Vegas US)   1 - 5   2023年1月

Experiment of Multi-UAV Full-Duplex System Equipped with Directional Antennas. 査読

Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi

CoRR   abs/2211.02295   2023年1月

Het-SDVN: SDN-Based Radio Resource Management of Heterogeneous V2X for Cooperative Perception 査読

Zongdian Li, Kui Wang, Tao Yu, Kei Sakaguchi

IEEE Access   2023年

Exploring Ground Segmentation from LIDAR Scanning-Derived Images Using Convolutional Neural Networks 査読

Miguel Luis Rivera Lagahi, Z. Li, K. Sakaguchi, M. Matsuoka

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences   Vol. 48   221 - 226   2023年

5G/B5G mmWave Cellular Networks with MEC Prefetching Based on User Context Information 査読

Kazuki Maruta, Hiroaki Nishiuchi, Jin Nakazato, Gia Khanh Tran, Kei Sakaguchi

Sensors   22 ( 18 )   6983 - 6983   2022年9月

Design of mmW Digital Twin platform toward B5G/6G-High-Precision Measurement System and Relay Station Deployment 査読

Keishi Tokugawa, Kazuki Maruta, Keiichi Kubota, Kei Sakaguchi, Jin Nakazato, Mitsuhiro Kuchitsu, Soh Masuko

2022 IEEE 33rd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Kyoto, Japan   813 - 818   2022年9月

Design of Mobility-Aware Map Partition and Distribution System for Smooth Automated Driving. 査読

Zongdian Li, Miguel Luis R. Lagahit, Masashi Matsuoka, Kei Sakaguchi

2022 IEEE 33rd Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC2022) Online   628 - 634   2022年9月

MEC/Cloud Orchestrator to Facilitate Private/Local Beyond 5G with MEC and Proof-of-Concept Implementation 査読

Jin Nakazato, Zongdian Li, Kazuki Maruta, Keiichi Kubota, Tao Yu, Gia Khanh Tran, Kei Sakaguchi, Soh Masuko

Sensors   22 ( 14 )   2022年7月

Dual Energy Aware based Trajectory Optimization for UAV Emergency Wireless Communication Network: A Multi-armed Bandit Approach. 査読

Amrallah, Amr, Ehab Mahmoud, Mohamed, Gia, Khanh Tran, Kei Sakaguchi

The 13th International Conference on Ubiquitous and Future Networks (ICUFN)   2022年7月

Object Recognition Network Using Continuous Roadside Cameras. 査読

Cho, Gunhee, Yusuke Shinyama, Jin Nakazato, Kazuki Maruta, Kei Sakaguchi

The 2022 IEEE 95th Vehicular Technology Conference: VTC2022-Spring, Helsinki, Finland   2022年6月

Ground Experiment of Full-Duplex Multi-UAV System Enabled by Directional Antennas. 査読

Tao Yu, Kiyomichi Araki, Kei Sakaguchi

12th IEEE Annual Computing and Communication Workshop and Conference(CCWC)Virtual Conference, Las Vegas, USA   1092 - 1097   2022年1月

Required Data-Rate-Based Distributed Resource Allocation Scheme for MmWave V2V with Relay 査読

Yue Yin, Tao Yu, Kei Sakaguchi

IEEE 19th Annual Consumer Communications & Networking Conference (CCNC2022), Virtual Conference, Las Vegas, USA   2022年1月

Spectrum Sharing between Directional-Antenna-Equipped UAV System and Terrestrial Systems. 査読

Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi

12th IEEE Annual Computing and Communication Workshop and Conference(CCWC) Virtual Conference, Las Vegas, USA   1082 - 1086   2022年1月

Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas. 査読

Tao Yu, Kiyomichi Araki, Kei Sakaguchi

19th IEEE Annual Consumer Communications & Networking Conference(CCNC) Virtual Conference, Las Vegas, USA   175 - 180   2022年1月

Spectrum Sharing between Directional-Antenna- Equipped UAV System and Terrestrial Systems. 査読

Tao Yu, Kento Kajiwara, Kiyomichi Araki, Kei Sakaguchi

CoRR   abs/2202.00177   2022年1月

Full-Duplex Aerial Communication System for Multiple UAVs with Directional Antennas. 査読

Tao Yu, Kiyomichi Araki, Kei Sakaguchi

2022 IEEE 19th Annual Consumer Communications & Networking Conference (CCNC)   abs/2202.00176   2022年1月

Distributed and Scalable Radio Resource Management for mmWave V2V Relays towards Safe Automated Driving. 査読

Yue Yin, Tao Yu, Kazuki Maruta, Kei Sakaguchi

Sensors   22 ( 1 )   93 - 93   2022年

Image Size Reduction by Road-Side Edge Computing for Wireless Relay Transmission and Object Detection. 査読

Weiran Yuan, Kazuki Maruta, Yu Nakayama, Daisuke Hisano, Kei Sakaguchi

19th IEEE Annual Consumer Communications & Networking Conference(CCNC)   959 - 960   2022年

Towards mmWave V2X in 5G and Beyond to Support Automated Driving [Invited Paper]

Kei Sakaguchi, Ryuichi Fukatsu, Tao Yu, Eisuke Fukuda, Kim Mahler, Robert W. Heath Jr., Takeo Fujii, Kazuaki Takahashi, Alexey Khoryaev, Satoshi Nagata, Takayuki Shimizu

IEICE Transactions on Communications   104-B ( 6 )   587 - 603   2021年11月

Edge Cloud R&D towards Beyond 5G

Jin Nakazato, Mitsuhiro Kuchitsu, Anil Pawar, Masahiko Nanri, Jin Kusumi, Soh Masuko, Kazuki Maruta, Kei Sakaguchi

Optoelectronics Industry and Technology Conference   2021年11月

Automated Driving with Cooperative Perception Based on CVFH and Millimeter-Wave V2I Communications for Safe and Efficient Passing Through Intersections 査読

Ryuichi Fukatsu, Kei Sakaguchi

Sensors   21 ( 17 )   2021年9月

MmWave Massive Analog Relay MIMO 査読

Kei Sakaguchi, Takumi Yoneda, Masashi Iwabuchi, Tomoki Murakami

ITU Journal on Future and Evolving Technologies   Vol. 2 ( No. 6 )   43 - 55   2021年9月

Research on the Placement Method of UAV Base Stations for Dynamic Users 査読

Masanori Ozasa, Gia Khanh Tran, Kei Sakaguchi

IEEE VTS 17th Asia Pacific Wireless Communications Symposium (APWCS2021) Virtual Conference   2021年8月

Automated Driving with Cooperative Perception Using Millimeter-Wave v2v Communications for Safe Overtaking 査読

Ryuichi Fukatsu, Kei Sakaguchi

Sensors   21 ( 8 )   2021年4月

Automated Driving with Cooperative Perception Using Millimeter-wave V2I Communications for Safe and Efficient Passing through Intersections 査読

Ryuichi Fukatsu, Kei Sakaguchi

2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring) Online   2021-   2021年4月

Market Analysis of MEC-Assisted Beyond 5G Ecosystem. 査読

Jin Nakazato, Makoto Nakamura, Tao Yu, Zongdian Li, Kazuki Maruta, Gia Khanh Tran, Kei Sakaguchi

IEEE Access   Vol. 9   53996 - 54008   2021年3月

Experimental Verification of SDN/NFV in Integrated mmWave Access and Mesh Backhaul Networks 査読

Makoto Nakamura, Hiroaki Nishiuchi, Jin Nakazato, Konstantin Koslowski, Julian Daube, Ricardo Santos, Gia Khanh Tran, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   E104B ( 3 )   217 - 228   2021年3月

Multi-UAV Full-Duplex Communication Systems for Joint Video Transmission and Flight Control. 査読

Tao Yu, Shunya Imada, Kiyomichi Araki, Kei Sakaguchi

11th IEEE Annual Computing and Communication Workshop and Conference(CCWC)   1423 - 1428   2021年1月

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 IEEE 94th Vehicular Technology Conference (VTC2021-Fall) Virtual Conference   1 - 5   2021年

Design and PoC Implementation of Mmwave-Based Offloading-Enabled UAV Surveillance System 査読

Tao Yu, Yoshitaka Takaku, Yohei Kaieda, Kei Sakaguchi

IEEE Open Journal of Vehicular Technology   Vol. 2   436 - 447   2021年

Enhanced Dynamic Spectrum Access in UAV Wireless Networks for Post-Disaster Area Surveillance System: A Multi-Player Multi-Armed Bandit Approach. 査読

Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi

Sensors   Vol. 21 ( No. 23 )   7855 - 7855   2021年

ZigZag Antenna Configuration for MmWave V2V with Relay in Typical Road Scenarios: Design, Analysis and Experiment.

Yue Yin, Haoze Chen, Zongdian Li, Tao Yu, Kei Sakaguchi

IEICE Transactions on Communications   Vol. 104-B ( No. 10 )   1307 - 1317   2021年

Towards Safe Automated Driving: Design of Software-Defined Dynamic MmWave V2X Networks and PoC Implementation 査読

Zongdian Li, Tao Yu, Ryuichi Fukatsu, Gia Khanh Tran, Kei Sakaguchi

IEEE Open Journal of Vehicular Technology   Vol. 2   78 - 93   2021年

Radio Resource Management Aided Multi-Armed Bandits for Disaster Surveillance System

Amr Amrallah, Ehab Mahmoud, Mohamed, Gia, Khanh Tran, Kei Sakaguchi

International Conference on Emerging Technologies for Communications (ICETC2020) Virtual Conference   2020年12月

Design of Antenna Configuration for Interference Control in MmWave V2V Communication Systems. 査読

Yue Yin, Haoze Cliei, Zongdian Li, Ryuichi Fukatsu, Tao Yu, Kei Sakaguchi

IEEE 92nd Vehicular Technology Conference (VTC2020-Fall)Virtual Conference   1 - 5   2020年11月

Proof-of-Concept of Uncompressed 4K Video Transmission from Drone through mmWave 査読

Yoshitaka Takaku, Yohei Kaieda, Tao Yu, Kei Sakaguchi

IEEE 17th Annual Consumer Communications and Networking Conference, CCNC 2020 Las Vegas, USA   2020年1月

Benefits of MEC in 5G Cellular Networks from Telecom Operator's View Points 査読

Jin Nakazato, Makoto Nakamura, Yu Tao, Gia Khanh Tran, Kei Sakaguchi

IEEE Global Communications Conference (GLOBECOM2019), Hawai , USA   2019年12月

Proof-of-Concept of a SDN Based mmWave V2X Network for Safe Automated Driving 査読

Zongdian Li, Tao Yu, Ryuichi Fukatsu, Gia Khanh Tran, Kei Sakaguchi

2019 IEEE Global Communications Conference (GLOBECOM) Hawaii, USA   1 - 6   2019年12月

Performance Evaluation of Prefetching Algorithm for Real-Time Edge Content Delivery in 5G System. 査読

Makoto Nakamura, Hiroaki Nishiuchi, Konstantin Koslowski, Julian Daube, Ricardo Santos, Gia Khanh Tran, Kei Sakaguchi

2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall), Honolulu, Hawai   2019-September   1 - 5   2019年9月

Revenue Model with Multi-Access Edge Computing for Cellular Network Architecture 査読

Jin Nakazato, Yu Tao, Gia Khanh Tran, Kei Sakaguchi

The 11th International Conference on Ubiquitous and Future Networks (ICUFN2019), Zagreb, Croatia   21 - 26   2019年7月

Millimeter-Wave V2V Communications with Cooperative Perception for Automated Driving 査読

Ryuichi Fukatsu, Kei Sakaguchi

2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring), Kuala Lumpur, Malaysia   2019-   2019年4月

Toward Millimeter-wave V2X for Automated Driving in 5G and Beyond [Panel Discussion] 査読

Kei Sakaguchi, Robert Heath Jr, Thomas Haustein, Satoshi Nagata, Chih-Lin I., Ali Sadri, Koji Takinami

IEEE Wireless Communications and Networking Conference, Marrakech, Morocco   2019年4月

MmWave Backhaul Testbed Configurability Using Software-Defined Networking 査読

Ricardo Santos, Konstantin Koslowski, Julian Daube, Hakim Ghazzai, Andreas Kassler, Kei Sakaguchi, Thomas Haustein

Wireless Communications and Mobile Computing   2019年4月

Fusing Measured and Simulated Data for Radio Map Construction in Localization Applications 査読

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun ichi Takada, Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata

URSI Asia-Pacific Radio Science Conference (AP-RASC2019), New Delhi, India   2019年3月

Construction and Interpolation of a Multi-Frequency Radio Map 査読

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-ichi Takada, Toshihiro Yamaguchi, Tsutomu Mitsui, Shintaro Arata

1st International Conference on Robotics,Electrical and Signal Processing Techniques (ICREST2019), Dhaka, Bangladesh   2019年1月

A Study on Optimal Beam Patterns for Single User Massive MIMO Transmissions 査読

Maki Arai, Kei Sakaguchi, Kiyomichi Araki

IEICE Transactions on Communications   Vol. 102 ( No. 2 )   324 - 336   2019年

Outdoor Experiment of mmWave Meshed Backhaul for Realtime Edge Content Delivery. 査読

Gia Khanh Tran, Makoto Nakamura, Hiroaki Nishiuchi, Kei Sakaguchi, Ricardo Santos, Konstantin Koslowski

The 12th International Workshop on Evolutional Technologies & Ecosystems for Beyond 5G 2019 Marrakech, Morocco   1 - 6   2019年

Cooperative Perception Realized by Millimeter-Wave V2V for Safe Automated Driving 査読

Kei Sakaguchi, Ryuichi Fukatsu

2018 Asia-Pacific Microwave Conference (APMC), Kyoto Japan   2018-   180 - 182   2018年11月

A Guide of Fingerprint Based Radio Emitter Localization Using Multiple Sensors [Invited Paper]

Tao Yu, Azril Haniz, Kentaro Sano, Ryosuke Iwata, Ryouta Kosaka, Yusuke Kuki, Gia Khanh Tran, Jun-ichi Takada, Kei Sakaguchi

IEICE Transactions on Communications   Vol. E101-B ( No. 10 )   2104 - 2119   2018年10月

User Satisfaction Constraint Adaptive Sleeping in 5G mmWave Heterogeneous Cellular Network.

Gia Khanh Tran, Hidekazu Shimodaira, Kei Sakaguchi

IEICE Transactions on Communications   Vol. 101-B ( No. 10 )   2120 - 2130   2018年10月

Context-Based Dynamic Meshed Backhaul Construction for 5G Heterogeneous Networks 査読

Gia Khanh Tran, Ricardo Santos 0004, Hiroaki Ogawa, Makoto Nakamura, Kei Sakaguchi, Andreas Kassler

Journal of Sensor and Actuator Networks (Special Issue on Trends, Issues and Challenges Toward 5G)   Vol. 7 ( No. 4 )   43 - 43   2018年9月

Performance Evaluation of 5G mmWave Edge Cloud with Prefetching Algorithm [Invited Paper] 査読

Hiroaki Nishiuchi, Gia Khanh Tran, Kei Sakaguchi

The 2018 IEEE 87th Vehicular Technology Conference (VTC2018-Spring, Porto, Portugal)   2018-June   1 - 5   2018年6月

SDN Orchestration to Optimize Meshed Millimeter-Wave Backhaul Networks for MEC-Enhanced eMBB Use Cases 査読

Konstantin Koslowski, Ricardo Santos 0004, Wilhelm Keusgen, Thomas Haustein, Andreas Kassler, Kei Sakaguchi, Hiroaki Ogawa, Makoto Nakamura, Yu Tao

The IEEE International Symposium on Broadband Multimedia Systems and Broadcasting 2018 (BMSB2018, Valencia, Spain)   1 - 5   2018年6月

Architecture of mmWave Edge Cloud in 5G-MiEdge. 査読

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 IEEE International Conference on Communications Workshops (ICC2018, Kansas City, USA)   1 - 6   2018年5月

Millimeter-waves, MEC, and network softwarization as enablers of new 5G business opportunities 査読

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

IEEE Wireless Communications and Networking Conference, WCNC2018, Barcelona, Spain   2018-   1 - 5   2018年4月

Wi-Fi Coordinated WiGig Concurrent Transmissions in Random Access Scenarios 査読

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

IEEE Transactions on Vehicular Technology   Vol. 66 ( No. 11 )   10357 - 10371   2017年11月

Where, When, and How mmWave is Used in 5G and Beyond [Invited Paper]

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.

IEICE Trans. Electron   Vol. E100-C ( No. 10 )   790 - 808   2017年10月

5G-MiEdge: Design, standardization and deployment of 5G phase II technologies: MEC and mmWaves joint development for Tokyo 2020 Olympic games. 査読

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

IEEE Conference on Standards for Communications and Networking(CSCN2017), Helsinki, Finland   54 - 59   2017年9月

A Novel Phase-Difference Fingerprinting Technique for Localization of Unknown Emitters 査読

Azril Haniz, Gia Khanh Tran, Kentaro Saito, Kei Sakaguchi, Jun-ichi Takeda, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

IEEE Transactions on Vehicular Technology   Vol.66 ( No.9 )   8445 - 8457   2017年9月

How Do We Use Spectrum More Efficiently [Invited Paper]

Kei Sakaguchi

Journal of IEICE   Vol. 100 ( No. 8 )   825 - 830   2017年8月

MmWave Meshed Network with Traffic and Energy Management Mechanism 査読

Kei Sakaguchi, Gia Khanh Tran, Hiroaki Ogawa

18th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC2017) Sapporo, Japan   2017-   1 - 6   2017年7月

Integration of mmWave Access and Backhaul Networks for 5G & Beyond

Gia Khanh Tran, Kei Sakaguchi, Makoto Ando

Japan-China Workshop on the Next Generation Mobile Communication Technology and Application, Jul. 2017 Hokkaido, Japan   2017年7月

Design and Implementation of Lighting Control System Using Battery-Less Wireless Human Detection Sensor Networks 査読

Tao Yu, Yusuke Kuki, Gento Matsushita, Daiki Maehara, Seiichi Sampei, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E100B ( No. 6 )   974 - 985   2017年6月

Energy Monitoring and Management in 5G Integrated Fronthaul and Backhaul 査読

Osamah Ibrahiem Abdullaziz, Marco, Capitani, Claudio Ettore Casetti, Carla Fabiana, Chiasserini, Shahzoob Bilal Chundrigar, Giada, Landi, Xi Li, Francesca Moscatelli, Kei Sakaguchi, Samer T. Tala

the European Conference on Networks and Communications (EuCNC’2017), Oulu, Finland   2017年6月

Novel Resource and Energy Management for 5G Integrated Backhaul/Fronthaul (5G Crosshaul) 査読

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

IEEE International Conference on Communications (ICC2017), Paris, France   2017年5月

Traffic Adaptive Formation of mmWave Meshed Backhaul Networks 査読

Hiroaki Ogawa, Gia Khanh Tran, Kei Sakaguchi, Thomas Haustein

2017 IEEE International Conference on Communications Workshops (ICC2017) Paris, France   185 - 191   2017年5月

Spatial Fading Emulator - Early OTA Device in Japan

Jun-Ichi Takada, Koichi Ogawa, Kei Sakaguchi

The 11th European Conference on Antennas and Propagation, EUCAP 2017, Paris, France   3673 - 3675   2017年3月

Turning the Knobs on OpenFlow-Based Resiliency in mmWave Small Cell Meshed Networks. 査読

Ricardo Santos, Hiroaki Ogawa, Gia Khanh Tran, Kei Sakaguchi, Andreas Kassler

2017 IEEE Globecom Workshops (GLOBECOM 2017) Singapore   2018-January   1 - 5   2017年1月

Experimental Work on WiGig Coverage Area Management and Beamforming Training Using Wi-Fi Fingerprint 査読

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

2017 14TH IEEE ANNUAL CONSUMER COMMUNICATIONS & NETWORKING CONFERENCE (CCNC)   772 - 777   2017年

Optimal Design Method of MIMO Antenna Directivities and Corresponding Current Distributions by Using Spherical Mode Expansion 査読

Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki

IEICE Transactions on Communications   Vol. E100-B ( No. 10 )   1891 - 1903   2017年

Toward the Realization of mmWave based 5G Cellular Networks

Gia Khanh Tran, Kei Sakaguchi, Makoto Ando

The 19th International Symposium on Wireless Personal Multimedia Communications (WPMC 2016), Shenzhen, China   2016年11月

mmWave Access/Backhaul Integrated 5G Heterogeneous Networks

Gia Khanh Tran, Kei Sakaguchi, Makoto Ando

7TH FOKUS FUSECO FORUM (FUSECO2016), Berlin, Germany   2016年11月

Proof-of-Concept of a Millimeter-Wave Integrated Heterogeneous Network for 5G Cellular [Invited Paper]

S. Okasaka, R.J. Weiler, W. Keusgen, A, Pudeyev, A. Maltsev, K. Sakaguchi

Sensors   Vol. 16 ( No. 9 )   2016年8月

Channel Measurement and Modeling for 5G Urban Microcellular Scenarios (Invited Paper) 査読

M. Peter, R.J. Weiler, B. Göktepe, W. Keusgen, K. Sakaguchi

Sensors   Vol. 16 ( No. 8 )   2016年8月

Environment Induced Shadowing of Urban Millimeter-Wave Access Links 査読

R.J. Weiler, M. Peter, W. Keusgen, K, Sakaguchi, F. Undi

: IEEE Wireless Communications Letters ( Volume: 5, Issue: 4, August 2016)   Vol. 5 ( No. 4 )   440 - 443   2016年8月

Practical Implementation of Spectrum Sensing and Signal Detection for Satellite Broadcasting Systems 査読

Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E99-B ( No. 8 )   1894 - 1901   2016年8月

Millimeter wave on Your Hand in 5G

Kei Sakaguchi, Thomas Haustein

the 25th Edition of the European Conference on Networks and Communications (EuCNC 2016), Athens, Greece   2016年6月

Phase Noise-Robust Channel Estimation for Simple ICI Compensation of Millimeter Wave OFDM Systems

Yuyuan Chang, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE Communications Express   Vol. 5 ( No. 7 )   209 - 215   2016年5月

PoC of mmWave (40 and 60 GHz) Integrated 5G Heterogeneous Networks 査読

Makoto Ando, Toru Taniguchi, Makoto Noda, Akira Yamaguchi, Kei Sakaguchi, Gia Khanh Tran

European Wireless Conference 2016, Oulu, Finland   21 - 24   2016年5月

Experimental Study on Battery-Less Sensor Network Activated by Multi-Point Wireless Energy Transmission

Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E99-B ( No. 4 )   905 - 916   2016年4月

Diamond Cellular Network-Optimal Combination of Small Power Basestations and CoMP Cellular Networks 査読

Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shinobu Nanba, Satoshi Konishi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E99-B ( No. 4 )   917 - 927   2016年4月

Practical Evaluation of on-demand Smallcell ON/OFF based on Traffic Model for 5G Cellular Networks 査読

Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki

2016 IEEE Wireless Communications and Networking Conference Workshops (WCNCW 2016), Doha, Qatar   2016年4月

Evaluation of Oversampling Rate Limited Dual-Channel Digital Predistortion with 3-Box Nonlinear Model of Power Amplifier 査読

Yuyuan Chang, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

2016 IEEE MTT-S International Wireless Symposium (IWS 2016), Shanghai, China   2016年3月

Robust and Low Complexity Bandwidth and Carrier Frequency Estimation for Cognitive Radio 査読

Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E99-B ( No. 2 )   499 - 506   2016年2月

Wi-Fi/WiGig Coordination for Optimal WiGig Concurrent Transmissions in Random Access Scenarios 査読

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

2016 IEEE 83RD VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING)   2016年

Demonstration of mmWave Systems and Networks for the HetNet in 5G Mobile Communication 査読

Makoto Ando, Miao Zhang, Jiro Hirokawa, Kei Sakaguchi, Toru Taniguchi, Makoto Noda, Akira Yamaguchi

2016 URSI INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC THEORY (EMTS)   111 - 113   2016年

Evaluation of mmWave Overlaid 5G Heterogeneous Cellular Networks - Suitable Frequency Bands for Different 5G KPIs

G.K. Tran, H. Shimodaira, K. Sakaguchi

13th 2016 IEEE Vehicular Technology Society Asia Pacific Wireless Communications Symposium（the 13th IEEE VTS APWCS 2016), Tokyo, Japan   2016年

Propagation Channel Interpolation for Fingerprint-Based Localization of Illegal Radios 査読

Azril Haniz, Gia Khanh Tran, Ryosuke Iwata, Kei Sakaguchi, Jun-ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E98-B ( No. 12 )   2508 - 2519   2015年12月

Millimeter-Wave Wireless LAN and its Extension Toward 5G Heterogeneous Networks [Invited Paper]

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

IEICE Transactions on Communications   Vol. E98-B ( No. 10 )   1932 - 1948   2015年10月

Localization of Illegal Radios Utilizing Cross-Correlation of Channel Impulse Response with Interpolation in Urban Scenarios 査読

Azril Haniz, Gia Khanh Tran, Kei Sakaguchi, Jun-Ichi Takada, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

MILCOM 2015 - 2015 IEEE Military Communications Conference, Florida, USA   2015-   210 - 215   2015年10月

Development of 4 × 4 MIMO-OFDM system and test measurement 査読

Kei Mizutani, Kei Sakaguchi, Jun Ichi Takada, Kiyomichi Araki

European Signal Processing Conference   06-10-September-2004   701 - 704   2015年4月

Millimeter-Wave Evolution for 5G Cellular Networks

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

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E98-B ( No. 3 )   388 - 402   2015年3月

Delayed Offloading Zone Associations using Cloud Cooperated Heterogeneous Networks 査読

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

2015 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)   374 - 379   2015年

Deployment of LED light control system using battery-less wireless human detection sensor networks 査読

Yu Tao, Yusuke Kuki, Gento Matsushita, Daiki Maehara, Seiichi Sampei, Kei Sakaguchi

2015 IEEE International Conference on RFID Technology and Applications (RFID-TA)   14 - 19   2015年

WiFi Assisted Multi-WiGig AP Coordination for Future Multi-Gbps WLANs 査読

Ehab Mahmoud Mohamed, Hideyuki Kusano, Kei Sakaguchi, Seiichi Sampei

2015 IEEE 26TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   1980 - 1984   2015年

Cell Discovery in 5G HetNets Using Location-Based Cell Selection 査読

Roya E. Rezagah, Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Shinobu Nanba

2015 IEEE CONFERENCE ON STANDARDS FOR COMMUNICATIONS AND NETWORKING (CSCN)   137 - 142   2015年

Investigation on Millimeter-wave Spectrum for 5G 査読

Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

2015 IEEE CONFERENCE ON STANDARDS FOR COMMUNICATIONS AND NETWORKING (CSCN)   143 - 148   2015年

Millimeter Wave Beamforming Based on WiFi Fingerprinting in Indoor Environment 査読

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

2015 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION WORKSHOP (ICCW)   1155 - 1160   2015年

Antennas and Propagation for Millimeter Wave Radio Systems for 5G Mobile Networks -the Tokyo Tech Wireless Fiber Project-

Ando, M., Hirokawa, J., Zhang, M., Toyosaki, K., Ali, M., Sakaguchi, K., IEEE

2015 International Workshop on Antenna Technology (Iwat)   2015年

Dynamic cell activation and user association for green 5G heterogeneous cellular networks 査読

Gia Khanh Tran, Hidekazu Shimodaira, Roya Ebrahim Rezagah, Kei Sakaguchi, Kiyomichi Araki

2015 IEEE 26TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   2364 - 2368   2015年

Large Scale Cooperation in Cellular Networks with Non-uniform User Distribution 査読

Roya E. Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Satoshi Konishi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E97-B ( No. 11 )   2512 - 2523   2014年11月

A Spatial Fading Emulator for Evaluation of MINIO Antennas in a Cluster Environment 査読

Tsutomu Sakata, Atsushi Yamamoto, Koichi Ogawa, Hiroshi Iwai, Jun-ichi Takada, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E97-B ( No. 10 )   2127 - 2135   2014年10月

Experiments Validating the Effectiveness of Multi-Point Wireless Energy Transmission with Carrier Shift Diversity [Best Paper Award] 査読

Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Minoru Furukawa

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E97-B ( No. 9 )   1928 - 1937   2014年9月

Enabling 5G backhaul and access with millimeter-waves 査読

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

EuCNC 2014 - European Conference on Networks and Communications   2014年8月

Delayed Offloading using Cloud Cooperated Millimeter Wave Gates

Ehab Mahmoud Mohamed, Kei Sakaguchi, Seiichi Sampei

2014 IEEE 25TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATION (PIMRC)   1852 - 1856   2014年6月

Outdoor millimeter-wave access for heterogeneous networks - Path loss and system performance. 査読

Richard J. Weiler, Michael Peter, Wilhelm Keusgen, Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi

25th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communication(PIMRC)   2014-June   2189 - 2193   2014年6月

Base Station Antenna Configuration for Robust MU-MIMO 査読

Takuya Ishihara, Kei Sakaguchi, Seiichi Sampei, Gia Khanh Tran

2014 IEEE International Conference on Communication Systems (ICCS)   517 - 521   2014年

Wireless Grid to realize Battery-less Sensor Networks in Indoor Environments 査読

Gento Matsushita, Daiki Maehara, Yusuke Kuki, Kei Sakaguchi, Seiichi Sampei, Kiyomichi Araki

2014 ASIA-PACIFIC MICROWAVE CONFERENCE (APMC)   690 - 692   2014年

Cell Association Method for Multiband Heterogeneous Networks 査読

Hidekazu Shimodaira, Gia Khanh Tran, Kiyomichi Araki, Shinobu Nanba, Takahiro Hayashi, Kei Sakaguchi, Satoshi Konishi

2014 IEEE 25TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATION (PIMRC)   2209 - 2213   2014年

An Efficient Relay Node Placement Scheme for Two-Way MIMO Multi-Hop Networks in Practical Indoor Environments 査読

Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS   Vol. 12 ( No. 6 )   2977 - 2987   2013年6月

Optimization of Picocell Locations and Its Parameters in Heterogeneous Networks with Hotspots 査読

Hidekazu Shimodaira, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E96-B ( No. 6 )   1338 - 1347   2013年6月

Distributed Power Control Network and Green Building Test-Bed for Demand Response in Smart Grid 査読

Kei Sakaguchi, Van Ky Nguyen, Yu Tao, Gia Khanh Tran, Kiyomichi Araki

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES   Vol. E96-A ( No. 5 )   896 - 907   2013年5月

Experiment on Battery-less Sensor Activation via Multi-point Wireless Energy Transmission 査読

Daiki Maehara, Ryota Akai, Gia Khanh Tran, Kei Sakaguchi, Seiichi Sampei, Kiyomichi Araki, Hiroshi Iwai

2013 IEEE 24TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   2336 - 2340   2013年

Cloud Cooperated Heterogeneous Cellular Networks 招待 査読

Kei Sakaguchi, Seiichi Sampei, Hidekazu Shimodaira, Roya Rezagah, Gia Khanh Tran, Kiyomichi Araki

2013 INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATIONS SYSTEMS (ISPACS)   787 - 791   2013年

An Efficient Relay Placement Method with Power Allocation for MIMO Two-Way Multi-Hop Networks 査読

Gia Khanh Tran, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki

IEICE Transactions on Communications   Vol. E96-B ( No. 5 )   1176 - 1186   2013年

Experiment on MIMO Cognitive Radio using Tx/Rx Beamforming 査読

Ryosuke Iwata, Vutha Va, Kei Sakaguchi, Kiyomichi Araki

2013 IEEE 24TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC)   2871 - 2875   2013年

Performance Comparison between Open Loop and Closed Loop MIMO-OFDM Schemes Using Analytical Approach 査読

Minjee Kim, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E95-B ( No. 11 )   3498 - 3508   2012年11月

A Study of Trade-off between Opportunistic Resource Allocation and Interference Alignment in Femtocell Scenarios . 査読

N. Lertwiram, P. Popovski, K. Sakaguchi

IEEE Wireless Communications Letters   Vol. 1 ( No. 4 )   356 - 359   2012年8月

Distributed Optimization of Transceiver Weights in MIMO Two-way Multihop Networks 査読

Rindranirina Ramamonjison, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

2012 IEEE 75TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING) Yokohama   2012年7月

Prototype Hardware for TDD Two-Way Multi-Hop Relay Network Using MIMO Network Coding 査読

Keiichi Mizutani, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E95-B ( No. 5 )   1738 - 1750   2012年5月

Study on Resource Optimization for Heterogeneous Networks 査読

Gia Khanh Tran, Shinichi Tajima, Rindranirina Ramamonjison, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E95-B ( No. 4 )   1198 - 1207   2012年4月

Performance Analysis of MIMO Relay Network via Propagation Measurement in L-Shaped Corridor Environment 査読

Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E95-B ( No. 4 )   1345 - 1356   2012年4月

Single Front-End MIMO Architecture with Parasitic Antenna Elements [Best Paper Award] 査読

Mitsuteru Yoshida, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E95-B ( No. 3 )   882 - 888   2012年3月

Relay Placement of Two-Way Multi-Hop Relay Network with Power Adaptation in a Realistic Shadowing Environment 査読

Namzilp Lertwiram, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

2012 IEEE 75TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING)   2012年

Network synchronization scheme for scalable two-way multi-hop network employing MIMO network coding 査読

Yutaro Kida, Keiichi Mizutani, Gia Khanh Tran, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki

2012 IEEE 75TH VEHICULAR TECHNOLOGY CONFERENCE (VTC SPRING)   2012年

Multi-sensor Location Estimation for Illegal Cell-phone Use in Real-Life Indoor Environment 査読

Kentaro Sano, Gia Khanh Tran, Masahiro Watanabe, Kei Sakaguchi, Kiyomichi Araki, Daisuke Hayashi, Toshihiro Yamaguchi, Shintaro Arata

2012 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS (IEEE ICCS 2012)   80 - 84   2012年

Multi-user data sharing using coordinator with network coding and layered transmission 査読

Keiichi Mizutani, Thomas Haustein, Kei Sakaguchi

18th European Wireless Conference, EW 2012   2012年

Experimental study on multi-point wireless energy transmission at 950 MHz band 査読

Daiki Maehara, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Takehiro Miyamoto, Minoru Furukawa

Conference Proceedings of the International Symposium on Signals, Systems and Electronics   2012年

Shared Remote Radio Head Architecture to Realize Semi-Dynamic Clustering in CoMP Cellular Networks 査読

Daisuke Matsuo, Roya Rezagah, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Noriaki Miyazaki, Satoshi Konishi, Yoji Kishi

2012 IEEE GLOBECOM WORKSHOPS (GC WKSHPS)   1145 - 1149   2012年

Dynamic Fractional Base Station Cooperation Using Shared Distributed Remote Radio Units for Advanced Cellular Networks 査読

Naoki Kusashima, Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E94-B ( No. 12 )   3259 - 3271   2011年12月

Spectrum Allocation Strategies for Heterogeneous Networks 査読

Rindra Ramamonjison, Gia Khanh Iran, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi, Noriaki Miyazaki

Proceedings of the 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011   201 - 205   2011年6月

Realization of TDD Two-way Multi-hop Relay Network with MIMO Network Coding 査読

Keiichi Mizutani, Yutaro Kida, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki

Proceedings of the 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications   2011年5月

Message from TPC chairs 査読

Seiichi Sampei, Marcos Katz, Ying-Chang Liang, Hiroshi Harada, Kei Sakaguchi

Proceedings of the 2011 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCOM 2011   xii - xiii   2011年

Wireless grid: Enabling ubiquitous sensor networks with wireless energy supply 査読

Ragil Putro Wicaksono, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEEE Vehicular Technology Conference   2011年

A Study on Beam Tilt Angle of Base Station Antennas for Base Station Cooperation Systems 査読

Doppo Sugimura, Maki Arai, Kei Sakaguchi, Kiyomichi Araki, Takayuki Sotoyama

2011 IEEE 22ND INTERNATIONAL SYMPOSIUM ON PERSONAL INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC)   2374 - 2378   2011年

A Study on Design of Spatial Fading Emulator Based on Clarke's Model 査読

Daisuke Matsuo, Maki Arai, Kei Sakaguchi, Kiyomichi Araki

2011 IEEE 22ND INTERNATIONAL SYMPOSIUM ON PERSONAL INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC)   1642 - 1646   2011年

Wireless Distributed Network: For Flexible Networking and Radio Resource Management [Invited paper] 招待 査読

Seiichi Sampei, Kei Sakaguchi, Shinsuke Ibi, Koji Yamamoto

IEICE Trans. Commun.   Vol. 93 ( No. 12 )   3218 - 3227   2010年12月

The Gaussian MIMO Broadcast Channel under Receive Power Protection Constraints [Best Paper Award] 査読

Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol.E93-B ( No.12 )   3448 - 3460   2010年12月

Effect of Power Allocation Schemes on MIMO Two-Way Multi-Hop Network

Jonghyun Lee, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E93-B ( No. 12 )   3362 - 3370   2010年12月

Performance Evaluation of Spatial Correlation Characteristics for Handset Antennas Using Spatial Fading Emulator Based on Clarke’s Model

H. Iwai, K. Sakaguchi, T. Sakata, A. Yamamoto

IEICE Trans. Commun.   Vol. E930-B ( No. 10 )   2514 - 2522   2010年10月

Performance evaluation of null-steering bistatic MIMO radar 査読

Takao Sekiguchi, Kei Sakaguchi, Kiyomichi Araki, Sintaro Arata

2010 IEEE International Symposium on Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting - Leading the Wave, AP-S/URSI 2010   2010年9月

MIMO Network Coding-Based PHY/MAC Protocol for Replacement of CSMA/CA in Efficient Two-Way Multihop Relay Networks 査読

Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

EURASIP JOURNAL ON WIRELESS COMMUNICATIONS AND NETWORKING   Vol. 2010 ( ID.476732 )   2010年7月

Performance Analysis of MIMO Schemes in Residential Home Environment via Wideband MIMO Propagation Measurement

Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES   Vol. E93-A ( No. 4 )   814 - 829   2010年4月

Topology Design and Performance Evaluation of Wireless Sensor Network Based on MIMO Channel Capacity

Ky Leng, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E93-B ( No.1 )   22 - 28   2010年1月

Impact of Base Station Cooperation on Cell Planning

Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi

Eurasip Journal on Wireless Communications and Networking   Vol. 2010 ( ID.406749 )   2010年

MIMO Radio Propagation Measurement for Two-Hop Relay Network on L-shaped Corridor with Network Performance Analysis 査読

Namzilp Lertwiram, Gia Khanh Tran, Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki

2010 IEEE 71ST VEHICULAR TECHNOLOGY CONFERENCE   2010年

Theoretical Analysis of Base Station Cooperation MIMO Channel by Using Eigenvalue Theory of Wishart Matrix 査読

Maki Arai, Kei Sakaguchi, Kiyomichi Araki, Takayuki Sotoyama

2010 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM   2010年

Network throughput of TDD/TDMA two-way multi-hop relay network with MIMO network coding in indoor environment 査読

Keiichi Mizutani, Takehiro Miyamoto, Kei Sakaguchi, Kiyomichi Araki

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   456 - 460   2010年

On the spectral efficiency of MIMO two-way multihop networks with co-existing flows 査読

Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki

2010 Proceedings of the 5th International Conference on Cognitive Radio Oriented Wireless Networks and Communications, CROWNCom 2010   2010年

An efficient retransmission scheme for MIMO two-way relay network employing network coding 査読

Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

2010 IEEE 71ST VEHICULAR TECHNOLOGY CONFERENCE   2010年

Optimization of Diversity Antenna Directivities based on Spherical Mode Expansion 査読

Maki Arai, Masashi Iwabuchi, Kei Sakaguchi, Kiyomichi Araki

2010 ASIA-PACIFIC MICROWAVE CONFERENCE   1577 - 1580   2010年

Dynamic Cooperation Set Clustering on Base Station Cooperation Cellular Networks 査読

Ian Dexter Garcia, Naoki Kusashima, Kei Sakaguchi, Kiyomichi Araki

2010 IEEE 21ST INTERNATIONAL SYMPOSIUM ON PERSONAL INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC)   2127 - 2132   2010年

Network Synchronization for Two-Way Multi-Hop Relay Networks with Block Modulation

Keiichi Mizutani, Kei Sakaguchi, Kiyomichi Araki

2010 IEEE 71st Vehicular Technology Conference   2010年

Routing and Power Allocation in MIMO Two-way Multihop Networks: A New Cross-layer Approach to Mitigate Interference 査読

Rindranirina Ramamonjison, Jonghyun Lee, Kei Sakaguchi, Kiyomichi Araki

2010 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE GLOBECOM 2010   2010年

2D MIMO Network Coding with Inter-Route Interference Cancellation

Gia Khanh Tran, Kei Sakaguchi, Fumie Ono, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E92-B ( No. 12 )   3665 - 3675   2009年12月

STBC MIMO Network Coding for Bi-directional Multi-Hop Relay Networks

Fumie Ono, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E92-B ( No. 12 )   3676 - 3682   2009年12月

Power allocation for MIMO two-way relay network 査読

Jonghyun Lee, Tran Gia Khanh, Kei Sakaguchi, Kiyomichi Araki

ICICS 2009^ Conference Proceedings of the 7th International Conference on Information, Communications and Signal Processing   2009年12月

Fractional Base Station Cooperation Cellular Network 査読

Naoki Kusashima, Ian Dexter Gracia, Kei Sakaguchi, Kiyomichi Araki, Shoji Kaneko, Yoji Kishi

ICICS 2009- Conference Proceedings of the 7th International Conference on Information, Communications and Signal Processing   2009年12月

Performance Evaluation of Wireless Sensor Network Based on MIMO Relaying Channel Capacity

Ky Leng, Kei Sakaguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E92-B ( No.10 )   3166 - 3173   2009年10月

Network performance improvement of MIMO two-way relay with respect to CSMA/CA mesh networks 査読

Khanh Tran Gia, Kei Sakaguchi, Kiyomichi Araki

ICICS 2009 - Conference Proceedings of the 7th International Conference on Information, Communications and Signal Processing   2009年

Wireless mesh network performance: MIMO two-way relay vs. CSMA/CA based protocols 査読

Khanh Tran Gia, Kei Sakaguchi, Kiyomichi Araki

2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS   701 - 705   2009年

Multi-Stream Multiplexing for MIMO Two-Way Mesh Networks 査読

Fumie Ono, Kei Sakaguchi, Takayuki Sugiyasu

2008 International Symposium on Information Theory and its Applications, ISITA2008   2008年12月

Network Capacity Improvement with Two Dimensional MIMO Network Coding 査読

Khanh Tran Gia, Kei Sakaguchi, Fumie Ono, Kiyomichi Araki

2nd International Conference on Signal Processing and Communication Systems, ICSPCS 2008   2008年12月

Base Station Cooperation Null-Beamforming for Spectrum Sharing between Next Generation Cellular and Fixed Satellite Systems

Vol. 107 ( No. 519 )   33 - 38   2008年2月

Multi-Channel Multi-Stage Transmultiplexing Digital Down Converter and its Application to RFID (ISO18000-3 mode 2) Reader/Writer

Yuichi Nakagawa, Kei Sakaguchi, Hideki Kawamura, Kyoji Ohashi, Masahiro Muraguchi, Kiyomichi Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E91-B ( No.1 )   139 - 146   2008年1月

Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks

Hiromasa Uchiyama, Kenta Umebayashi, Takeo Fujii, Fumie Ono, Kei Sakaguchi, Yukihiro Kamiya, Yasuo Suzuki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E91-B ( No. 1 )   95 - 101   2008年1月

MIMO Spatial Spectrum Sharing for High Efficiency Mesh Network

Fumie Ono, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E91-B ( No. 1 )   62 - 69   2008年1月

Cell planning for cooperative transmission 査読

Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki

WCNC 2008: IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-7   1769 - 1774   2008年

Effect of Ranging Error on Base Station Cooperation OFDM System 査読

Minjee Kim, Osamu Miyagi, Ian Dexter Garcia, Kei Sakaguchi, Kiyomichi Araki

2008 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS, VOLS 1-3   159 - 164   2008年

Bi-directional link multiplexing for MIMO mesh network 査読

Fumie Ono, Kei Sakaguchi

2007 6th International Conference on Information, Communications and Signal Processing, ICICS （Singapore）   2007年12月

3-D Angular Spectrum Measurements in a Residential Two-Story House at 5GHz

Hiroshi Iwai, Tsutomu Sakata, Atsushi Yamamoto, Kei Sakaguchi

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E90-B ( No. 9 )   2344 - 2351   2007年9月

Study on Cooperative Sensing in Cognitive Radio based Ad-hoc Network, 査読

Hiromasa Uchiyama, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki, Takeo Fujii, Fumie Ono, Kei Sakaguchi

IEEE Inter. Symposium on Personal, Indoor and Mobile Radio Commun. (PIMRC’07)   2007年9月

Multiple access interference cancellation and link multiplexing for MIMO mesh network 査読

Kei Sakaguchi, Fumie Ono

Proceedings - International Conference on Computer Communications and Networks, ICCCN   1028 - 1033   2007年8月

Spatial fading simulator using Cavity-Excited Circular Array(CECA) loaded with phase shifters

Chulgyun Park, Jun-Ichi Takada, Kei Sakaguchi, Takashi Ohira

IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)   5343 - 5346   2007年6月

Novel multi-stage transmultiplexing digital down converter for implementation of RFID (ISO18000-3 MODE 2) reader/writer 査読

Yuichi Nakagawa, Masahiro Muraguchi, Hideki Kawamura, Kyoji Ohashi, Kei Sakaguchi, Kiyomichi Araki

IEEE Vehicular Technology Conference   2300 - 2304   2007年4月

Technical Commitee on Software Radio 2nd-year

Kei Sakaguchi, Jun-ichi Takada, Hitoshi Yoshino, Takashi Shono, Yoshio Hirose

IEICE Communications Society Global Newsletter   Vol. 20   9 - 12   2007年

Performance Analysis of Various MIMO Schemes by Using Measured MIMO Propagation Data in Residential Home Environment [Special Publication]

K. Sakaguchi, G. K. Tran, N. D. Dao, K. Araki, J. Takada

European Space Agency, (Special Publication) ESA SP   626 SP   2006年10月

A Markov-Kronecker Model for Analysis of Closed-Loop MIMO Systems 査読

See Ho Ting, Kei Sakaguchi, Kiyomichi Araki

IEEE COMMUNICATIONS LETTERS   Vol. 10 ( No. 8 )   617 - 619   2006年8月

A Robust and Low Complexity Adaptive Algorithm for MIMO Eigenmode Transmission System with Experimental Validation 査読

See Ho Ting, Kei Sakaguchi, Kiyomichi Araki

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS   Vol. 5 ( No. 7 )   1775 - 1784   2006年7月

Spatial Fading Simulator Using a Cavity-Excited Circular Array (CECA) for Performance Evaluation of Antenna Arrays

C Park, J Takada, K Sakaguchi, T Ohira

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E89-B ( No. 3 )   906 - 913   2006年3月

Development of MIMO-SDR Platform and Its Application to Real-Time Channel Measurements

Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki

IEICE Trans. Commun.   Vol. E89-B ( No. 12 )   3197 - 3207   2006年

Experimental analysis of MIMO-OFDM eigenmode transmission with MMSE interference canceller 査読

Yuichi Kakishima, Haidoan Le, See Ho Ting, Kei Sakaguchi, Kiyomichi Araki

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   2006年

Measurement of Time-Varying MIMO Channel for Performance Analysis of Closed-Loop Transmission 査読

Kei Mizutani, Kei Sakaguchi, Jun-ichi Takada, Kiyomichi Araki

2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   2854 - 2858   2006年

Performance Analysis of MIMO-OFDM Systems using Indoor Wideband MIMO Channel Measurement Data 査読

Gia Khanh Tran, Nguyen Dung Dao, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa

2006 IEEE 63RD VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6   2868 - +   2006年

IMPLEMENTATION AND EVALUATION OF 4 x 4 MIMO FADING SIMULATOR CONSIDERING ANTENNA CHARACTERISTICS 査読

Dao Nguyen Dung, Kei Sakaguchi, Satoshi Suyama, Riichiro Nagareda, Jun-ichi Takada, Hiroshi Suzuki, Kiyomichi Araki, Sintaro Arata, Kazuhiko Kaiga, Sakae Manabe, Toshihiro Yamaguchi, Katsuji Miwa

2006 FIRST INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND ELECTRONICS   472 - +   2006年

Performance evaluation of MIMO communication systems in home environment

Asia Pacific Microwave Conf. (APMC’06),   2006年

Measurements on area coverage of 5GHZ band MIMO-OFDM system in residential home environment 査読

Dung Dao Nguyen, Chua Hai Yeow Eugene, Kei Sakaguchi, Kiyomichi Araki, Hiroshi Iwai, Tsutomu Sakata, Koichi Ogawa

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   1   246 - 250   2005年9月

An Effective IQ Imbalance Compensation Scheme for MIMO-OFDM Communication System 査読

Hiroyuki Kamata, Kei Sakaguchi, Kiyomichi Araki

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   2005年9月

Differential Quantization of Eigenmodes for MIMO Eigenmode Transmission Systems 査読

SH Ting, K Sakaguchi, K Araki

IEEE COMMUNICATIONS LETTERS   Vol. 9 ( No. 8 )   697 - 699   2005年8月

MIMO Channel Capacity in an Indoor Line-of-Sight (LOS) Environment

K Sakaguchi, HYE Chua, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E88-B ( No. 7 )   3010 - 3019   2005年7月

Hierarchical subgroup power and modulation coding adaptation - A new frequency-space link adaptation scheme in MIMO-OFDM Eigenmode Adaptive Transmission System 査読

Le Hai Doan, SeeHo Ting, Kei Sakaguchi, Kiyomichi Araki

IEEE Vehicular Technology Conference   61 ( 1 )   668 - 672   2005年6月

A Robust Adaptive MIMO Eigenmode Transmission System with ZF Beamspace Interference Canceller 査読

Ting See Ho, Kei Sakaguchi, Kiyomichi Araki

IEEE Vehicular Technology Conference 61(2)   2005年6月

On the Practical Performance of VBLAST 査読

See Ho Ting, Kei Sakaguchi, Kiyomichi Araki

IEEE Communications Letters   Vol. 8 ( No. 9 )   564 - 566   2004年9月

Six-Port Direct Conversion Receiver: Novel Calibration for Multi-Port Nonlinear Circuits

Atsushi Honda, Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

IEICE Transactions on Electronics   Vol. E87-C ( No. 9 )   1532 - 1539   2004年9月

Performance Analysis of MIMO Eigenmode Transmission System Under Realistic Channel and System Conditions

S Ting, K Sakaguchi, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E87-B ( No. 8 )   2222 - 2232   2004年8月

A robust and low complexity adaptive algorithm for MIMO eigenmode transmission system under practical conditions 査読

Ting See Ho, Kei Sakaguchi, Kiyomichi Araki

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   1   73 - 77   2004年6月

Experimental and analytical investigation of MIMO channel capacity in an indoor line-of-sight (LOS) environment 査読

Chua Hai Yeow Eugene, Kei Sakaguchi, Kiyomichi Araki

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC   1   295 - 300   2004年1月

Initial Measurement on MIMO Eigenmode Communication System

Kei Sakaguchi

IEICE Trans. Commun.   Vol. J87-B ( No. 9 )   1454 - 1466   2004年

Spatial Fading Emulator for Base Station Using Cavity-Excited Circular Array Based on ESPAR Antenna 査読

Chulgyun Park, Jun-Ichi Takada, Kei Sakaguchi, Takashi Ohira

VTC2004-FALL: 2004 IEEE 60TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-7   256 - 260   2004年

Novel Spatial Fading Simulator Using Cavity-Excited Circular Array (CECA) 査読

Chulgyun Park, Jun Ichi Takada, Kei Sakaguchi, Takashi Ohira

Proceedings of 2004 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2004   679 - 684   2004年

ACU and RSM Based Radio Spectrum Management for Realization of Flexible Software Defined Radio World

K Sakaguchi, CF Lam, TD Doan, M Togooch, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E86-B ( No. 12 )   3417 - 3424   2003年12月

Indoor MIMO Channel Measurements for Evaluation of Effectiveness of Array Antenna Configurations 査読

Tsutomu Mitsui, Masao Otani, Chua Hai Yeow Eugene, Kei Sakaguchi, Kiyomichi Araki

IEEE Vehicular Technology Conference Fall Orlando, FL   58 ( 1 )   84 - 88   2003年10月

Radio Security Module that Enables Global Roaming of SDR Terminal While Complying with Local Radio Regulation 査読

Chih Fung Lam, Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

2003 IEEE 58TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS1-5, PROCEEDINGS   2132 - 2136   2003年10月

A Study of Nonlinearity Calibration for Six-Port Direct Conversion Receivers 査読

A Honda, Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

2003 IEEE TOPICAL CONFERENCE ON WIRELESS COMMUNICATION TECHNOLOGY   40 - 41   2003年

Comprehensive Calibration for MIMO System 査読

K.Kuroda, K.Sakaguchi, J.Takada, K.Araki

The 5th International Symposium on Wireless Personal Multimedia Communications   ( TA8 )   2002年10月

Performance of MUSIC and ESPRIT for Joint Estimation of DOA and Angular Spread in Slow Fading Environment 査読

JS Jeong, K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E85-B ( No. 5 )   972 - 977   2002年5月

A Novel Architecture for MIMO Spatio-Temporal Channel Sounder

K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON ELECTRONICS   Vol. E85-C ( No. 3 )   436 - 441   2002年3月

DOA based Signal Combining Aided Automatic Modulation Recognition/Demodulation for Surveillance System

H.Tan E.Carlos, K.Sakaguchi, J.Takada, K.Araki

IEICE,Technical Report on SR   2002年

Digital Pre-Distortion Linearizer for a Realization of automatic Calibration Unit

Tien Dzung DOAN, Chih Fung LAM, Kei SAKAGUCHI, Jun-ichi TAKADA, Kiyomichi ARAKI

2002 Software Defined Radio Technical Conference   2002年

FDM based MIMO Spatio-Temporal Channel Sounder 査読

K.Sakaguchi, K.Kuroda, J.Takada, K.Araki

The 5th International Symposium on Wireless Personal Multimedia Communications   2002年

Optimal Signal Combining Based on DOA and Angular Spread Using Extended Array Mode Vector

JS Jeong, K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E84-B ( No. 11 )   3023 - 3032   2001年11月

Generalization of MUSIC using Extended Array Mode Vector for Joint Estimation of Instantaneous DOA and Angular Spread

Jung-Sik JEONG, Kei SAKAGUCHI, Kiyomichi ARAKI, Jun-ichi TAKADA

IEICE Transaction on Communication   Vol. E84-B ( No. 7 )   1781 - 1789   2001年7月

Performance of Signal Combining Based on DOA and Angular Spread in Multiple Scattering Environments

J.S.Jeong, K.Sakaguchi, J.Takada, K.Araki

ISCIT2001   477 - 480   2001年

Development of High Resolution MIMO Channel Sounder for the Advanced Modeling of Wireless Channels 査読

J Takada, K Sakaguchi, K Araki

APMC 2001: ASIA-PACIFIC MICROWAVE CONFERENCE, VOLS 1-3, PROCEEDINGS   563 - 568   2001年

An Optimization of Smoothing Preprocessing for Correlated Signal Parameter Estimation

K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E83-B ( No. 9 )   2117 - 2123   2000年9月

Influence of the Model Order Estimation Error in the ESPRIT Based High Resolution Techniques

K Sakaguchi, J Takada, K Araki

IEICE TRANSACTIONS ON COMMUNICATIONS   Vol. E82-B ( No. 3 )   561 - 563   1999年3月

On Measuring the Multipath Parameters by Using Superresolution Algorithms - an Optimization of Smoothing Preprocessing 査読

Kei Sakaguchi, Jun ichi Takada, Kiyomichi Araki

IEEE Vehicular Technology Conference (IEEE Vehicular Technology Conference)   4 ( 50 )   1993 - 1997   1999年

On Measuring the Delay Profile and the Directions of Arrival by Using Super Resolution Algorithm 査読

Kei Sakaguchi, Jun-Ichi Takada, Kiyomichi Araki

48TH IEEE VEHICULAR TECHNOLOGY CONFERENCE,   154 - 158   1998年5月

A Superresolution Spatio-Temporal Channel Sounder for Future Microwave Mobile Communication System Development 査読

Jun-Ichi Takada, Kei Sakaguchi, Satoshi Suyama, Kiyomichi Araki, Masanobu Hirose, Masayasu Miyake

APCCAS '98 - IEEE ASIA-PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS   101 - 104   1998年

デジタルツインを用いたARグラスによる死角透視及びリアルタイム危険通知に関する研究

森田海斗, ユ タオ, 阪口 啓

信学技報   Vol. 125 ( No. 163 )   87 - 92   2025年8月

デジタルツインを用いた遮蔽認識型ミリ波マルチホップV2Xフレームワーク

ルンプライワン スパット, 李 宗典, Yu Tao, 阪口 啓

信学技報   Vol. 125 ( No. 88 )   80 - 85   2025年6月

モビリティデジタルツインの情報の鮮度を活用した配送サービスのスケジューリング最適化

野々村和真, ワン クイ・ユ タオ, 阪口 啓

SeMI2024   Vol. 24   57 - 62   2024年7月

LEO衛星通信と太陽光発電を用いたオフグリッドスマート農業システムの設計および構築

大塚シエル, 宇都有昭, 高橋秀治, 阪口啓, 川本忠

電子情報通信学会 信学技報 SeMI2024-10（2024-05）   vol.124 ( no.22 )   47 - 51   2024年5月

デジタルツインと機械学習を用いた協働ロボットシステム

Roongpraiwan Supa, 李 宗典, 阪口 啓

電子情報通信学会 総合大会, 信学総大, Mar. 2024   2024年3月

［依頼講演］複数分野の相互連携によるBeyond 5G Open RANプラットフォーム

中里 仁, 丸田一輝, タン ザカン, 大久保直哉, 阪口 啓

電子情報通信学会技術研究報告(Web)   123 ( 436(SRW2023 45-79) )   33 - 38   2024年3月

自動運転社会における安全性確保のための高度交差点システムの設計と実装

松尾大樹, ウ トウ, 阪口 啓

信学技報   vol.123 ( no.380(ITS), no.381(IE) )   62 - 67   2024年2月

分散コンピューティングリソースの協調利用を支援するIoFDT(Internet of Federated Digital Twin)

竹中 優, 松尾 大樹, ユ タオ, 阪口 啓

ITS2023-56,IE2023-45（資料番号）   vol.123 ( ITS-380,IE-381 )   pp.56-61(ITS), pp.56-61(IE), - pp.56-61(ITS), pp.56-61(IE),   2024年2月

デジタルツインを活用した複数自動運転車の最適配送システム

野々村 和真, ユ タオ, 阪口 啓

信学技報   vol.123 ( RCS-76 )   69 - 74   2023年6月

アナログ中継局を用いるミリ波セルラシステムの電波伝搬AR可視化システム

大久保直哉, 中里仁, 阪口啓

情報処理学会シンポジウムシリーズ(CD-ROM) (IPSJ Symposium Series (CD-ROM))   ( 2023 )   2023年6月

自動運転に向けのスマートモビリティデジタルツイン: 設計と実装

王 魁, 李 宗典, 于 韜, 阪口 啓

信学技報   vol.123 ( RCS-76 )   63 - 68   2023年6月

5.7GHz帯を用いた複数台UAV救助支援システムの設計・開発・実装

梶原健渡, ユ タオ, 阪口 啓

信学技報(RCS2022-270)   Vol. 122 ( No. 399 )   136 - 141   2023年3月

ARを用いたミリ波電波伝搬可視化システムの設計

大久保直哉, 徳川奎史, 中里仁, 阪口啓

電子情報通信学会大会講演論文集(CD-ROM)   2023   2023年3月

5G/6Gにおけるミリ波の正しい使い方

阪口 啓

信学技報, vol. 122, no. 399, RCS2022-289, pp. 228-228, 2023年3月   2023年3月

特徴量圧縮伝送を用いた低遅延AI処理に関する一検討

山﨑周, 高良雄一郎, Gunhee Cho, Tao Yu, uying Lei, 阪口 啓

電子情報通信学会総合大会   2023年3月

RSU中心のヘテロジニアスV2Xによる協調認識のためのSDVNフレームワークに関する研究

李 宗典, 于 韜, 鈴木大誠, 阪口 啓

信学技報(RCS2022-275)   Vol. 122 ( No. 399 )   161 - 166   2023年3月

データセンターネットワークの最新動向 5.B5G/6Gにおけるエッジコンピューティングの役割と超スマート社会への展開

阪口啓, 中里仁, 久保田啓一, 福田英輔, 朽津光広, 益子宗

電子情報通信学会誌   Vol. 106 ( No. 2 )   129 - 135   2023年1月

B5Gミリ波通信エリア構築を支援するAR電波伝搬可視化システム

大久保直哉, 中里仁, 阪口啓

電子情報通信学会技術研究報告(Web)   Vol. 123 ( No.3 )   44 - 49   2023年

連続する路側カメラを用いた車両認識ネットワークに関する研究

CHO Gunhee, YU Tao, 中里仁, 阪口啓

電子情報通信学会技術研究報告(Web)   122 ( 307(WBS2022 34-64) )   2022年12月

アナログ中継局を用いたミリ波カバレッジエリアの設計と実証実験

徳川奎史, 中里 仁, 久保田啓一, 阪口 啓, 板垣 毅, 南里将彦, 朽津光広, 益子 宗

信学技報（RCS2022-190）   Vol. 122 ( No. 311 )   31 - 36   2022年12月

自動運転社会におけるV2Xを活用した高度交差点システムの設計

松尾大樹, 阪口啓, 于韜

信学技報, vol. 122, no. 308, pp. 135-139, Dec. 2022   Vol.122 ( No. 308 )   135 - 139   2022年12月

アナログ中継局を用いたミリ波カバレッジエリアの設計と実証実験

徳川奎史, 中里仁, 久保田啓一, 阪口啓, 板垣毅, 南里将彦, 朽津光広, 益子宗

電子情報通信学会技術研究報告(Web)   122 ( 311(RCS2022 185-207) )   2022年12月

ミリ波UAV無線局ネットワークの低消費電力化に関する検討

山本蒼汰, タンザカン, 阪口啓

電子情報通信学会2022年ソサイエティ大会, Sept. 2022   2022年9月

[招待講演］5Gの発展と超スマート社会への展開 招待

阪口 啓

RCC2022-19,NS2022-28,RCS2022-70,SR2022-21,SeMI2022-21   2022年7月

Distributed and Scalable Radio Resource Management for mmWave V2V Relays towards Safe Automated Driving.

殷 越, 于 韜, 丸田 一輝, 阪口 啓

信学技報   Vol.121 ( No. 391 )   229 - 234   2022年3月

ミリ波セルラシステムにおけるカバレッジ拡張とブロッキングを考慮したAF中継局置局設計に関する検討

米田拓海, 阪口 啓, 岩渕匡史, 村上友規

信学技報(RCS2021-290)   Vol. 121 ( No. 391 )   189 - 194   2022年3月

Beyond 5Gエッジクラウドにおける分散マイクロサービスに関する研究

中里 仁, 楽天モバイル, 朽津 光広, 天モバイル, 南里 将彦, 天モバイル, 益子 宗, 楽天モバイル, 徳川 奎史, 久保田 啓一, 丸田 一輝, 阪口 啓

移動通信ワークショップ RCS2021-263   2022年3月

低遅延中継伝送に向けたエッジ処理による画像サイズ削減の検討

袁 偉然, 丸田一輝, 中山 悠, 久野大介, 阪口 啓

vol.121 ( CQ-15 )   24 - 28   2021年5月

５Gが切り拓く超スマート社会 〜オープンイノベーションとオープンエデュケーションの融合〜

阪口啓

2021年電子情報通信学会総合大会   2021年3月

MECを活用するB5Gセルラネットワークの設計 ～ プライベート通信事業者とクラウド事業者を考慮した通信・計算リソースの導入モデルの構築 ～

中里仁, 李宗典, 丸田一輝, 阪口啓

信学技報   Vol. 120 ( No. 404 )   55 - 60   2021年3月

Context-Based MEC Platform for Augmented-Reality Services in 5G Networks

Yue Wang、ユ タオ、阪口 啓

信学技報   Vol. 120 ( No. 404 )   49 - 54   2021年3月

［依頼講演］Beyond 5Gが創る超スマート社会

阪口 啓, 丸田一輝, 福田英輔

信学技報, SR2020-64,   vol. 120 ( no. 405 )   16 - 16   2021年3月

動的ユーザ分布に対するUAV基地局の配置手法に関する検討,

小笹 聖典, タン ザ カン, 阪口 啓

電子情報通信学会2021年総合大会, Mar. 2021.   2021年3月

［依頼講演］ミリ波マルチホップアナログ中継シングルユーザMIMOに関する検討

米田拓海, 阪口 啓, 岩渕匡史, 村上友規

信学技報,   Vol. 120 ( No. 406 )   110 - 115   2021年3月

複数台ドローンにおいて映像伝送と制御通信を同時に実現する全二重通信に関する研究

今田舜也, 于 韜, 荒木純道, 阪口 啓

信学技報, vol. 120, no. 404, RCS2020-213, pp. 61-66, 2021年3月.   Vol. 120 ( No. 404 )   61 - 66   2021年3月

無人移動体画像伝送システムの周波数帯における4K映像リアルタイム無線伝送システムの試作

敷地辰也, 茂木智広, 満井 勉, 矢島 武, 黒柳伸之, 相田大介, 黒川大輝, 阪口 啓, 荒木純道, タン ザ カン, ユタオ, 羽田靖史

電子情報通信学会CQ研究会, Jan. 2021.   2021年1月

UAVによる動的ミリ波メッシュバックホールの設計

平田 孝佑, タン ザ カン, 阪口 啓

電子情報通信学会SR研究会, Nov. 2020   2020年11月

UAV を活用した電波発信源の屋外位置推定のセンサ配置に関する検討

田中翔馬, タン ザカン, 阪口啓

電子情報通信学会2020年ソサイエティ大会, Sept. 2020   2020年9月

UAV-based Wireless Surveillance System enabled by High Resolution Video Transmission

ユ タオ, 今田 舜也, 荒木 純道, 阪口 啓

信学技報   Vol. 120 ( No. 130 )   1 - 6   2020年8月

隣接UAV間干渉を考慮したアクセス用ミリ波帯UAV基地局の設計

小笹 正聖, 中里仁, 平田 孝佑, 阪口 啓, タン ザ カン

信学技報.   Vol. 120 ( No. 74 )   49 - 54   2020年6月

Resource Allocation Based on Multi-Armed Bandits for Dynamic Spectrum Access System

Amr Amrallah, Ehab Mahmoud Mohamed, Gia Khanh Tran, Kei Sakaguchi

信学技報   Vol. 119 ( No. 449 )   87 - 92   2020年3月

災害時におけるミリ波を用いた UAV 基地局の位置配置

小笹 正聖, 平田 孝佑, 阪口 啓, タン ザ カン

電子情報通信学会2020年総合大会, Mar. 2020   2020年3月

5.7GHz帯を想定したマルチドローン全二重通信の提案

今田舜也, 高久淑考, 荒木純道, 于韜, タン ザカン, 阪口啓, 茂木智弘, 矢島武

信学技報   Vol. 119 ( No. 448 )   105 - 110   2020年3月

5.7GHz帯を用いたマルチドローン全二重4K映像伝送システムに関する検討

今田舜也, 高久淑考, 荒木純道, ユ タオ, タン ザ カン, 阪口啓, 茂木智弘, 矢島武

移動通信ワークショップ2020, Mar. 2020.   2020年3月

通信事業者及びバックホール事業者を考慮したMECセルラネットワークの設計

中里 仁, 中村 誠, 于 韜, 李 宗典, タン ザカン, 阪口 啓

信学技報   Vol.119 ( No. 345 )   83 - 88   2019年12月

［ポスター講演］UAVセンサを活用した屋外環境における電波発信源の位置推定の検討

田中翔馬, タン ザ カン, 阪口 啓

信学技報   vol.119 ( no.262 )   2019年11月

ＵＡＶセンサを用いた電波発信源の屋外位置推定の検討

田中翔馬, タン ザカン, 阪口 啓

電子情報通信学会2019年ソサイエティ大会, Sept. 2019.   2019年9月

ミリ波エッジクラウドでのSDNによるバックホール制御の特性評価,

中村誠, 西内大晃, Konstantin Koslowski, Julian Daube, Ricardo Santos, タン ザカン, 阪口 啓

電子情報通信学会2019年ソサイエティ大会, Sept. 2019.   2019年9月

ミリ波メッシュバックホールネットワークにおける干渉低減法に関する研究

中村真, タン ザカン, 阪口 啓

無線分散ネットワーク特集セッション2018, July 2018.   2019年2月

ミリ波×ヘテロジニアスネットワーク＝5G [Invited Paper]

阪口 啓

電子情報通信学会誌   Vol. 101 ( No. 11 )   1111 - 1116   2018年11月

[Panel Discussion] Multi-frequency Radio Map Database Construction and its Application in Positioning

アズリル ハニズ, タン ザカン, 阪口 啓, 高田 潤一, 山口 敏浩, 荒田慎太郎

電子情報通信学会ソサイエティ大会, 電子情報通信学会, Sept. 2018   2018年9月

ミリ波エッジクラウドを支えるミリ波基幹回線の特性評価,

タン ザカン, Ricardo Santos, Konstantin Koslowski, 西内大晃, 中村誠, 阪口 啓

2018年革新的無線通信技術に関する横断型研究会, Sept. 2018   2018年9月

[Invited] Machine Learning Based Regression of Fingerprint Database for Unknown Emitter Localization, 招待

電子情報通信学会移動通信ワークショップ, 信学技報, Feb. 2018.   Vol. 117 ( No. 457 )   81 - 88   2018年8月

[Invited] Localization of Unknown Radios in Urban Enviroments -- On-campus Experiment Results --,

Azril HANIZ, Gia Khanh TRAN, Kei SAKAGUCHI, Jun-ichi TAKADA, Toshihiro YAMAGUCHI, Tsutomu Mitsui, Shintaro ARATA

電子情報通信学会SRW研究会, 信学技報, Aug. 2018.   2018年8月

5Gミリ波HetNetにおける有限なバックホール容量を考慮したプリフェッチング法

西内 大晃, タン ザカン, 阪口 啓

電子情報通信学会総合大会2018, Mar. 2018   2018年3月

ミリ波メッシュバックホールネットワークにおける干渉低減法に関する研究の一検討

中村真, タン ザカン, 阪口 啓

電子情報通信学会総合大会2018, Mar. 2018.   2018年3月

A Study on Spatial Averaging of RSS Fingerprints for Localization of Unknown Radios

Azril HANIZ, Gia Khanh TRAN, Kei SAKAGUCHI, Jun-ichi TAKADA, Toshihiro YAMAGUCHI, Shintaro ARATA

IEICE Society Conference   2017年9月

[Invited] A Lighting Control System Using Battery-less Wireless Human Detection Sensor Networks

Tao YU, Gia Khanh TRAN, Kei SAKAGUCHI

IEICE Society Conference   2017年9月

[Technology exhibit] 5G-MiEdge -- Millimeter-wave Edge Cloud as an Enabler for 5G Ecosystem --

Konstantin Koslowski, Jens Pilz, Richard Weiler, Wilhelm Keusgen, Wilhelm Keusgen, Thomas Haustein, Gia Khanh Tran, Hiroaki Ogawa, Hiroaki Nishiuchi, Takashi Tomura, Kei Sakaguchi

IECE Technical Report   vol.117 ( SR-56 )   55 - 55   2017年5月

モバイルエッジクラウドを活用する5Gセルラネットワークのプリフェッチング制御法に関する検討

西内大晃, タン ザ カン, 谷口哲樹, 荒木純道, 阪口 啓

信学技法(SR2016-94)   Vol. 116 ( No. SR-480 )   21 - 24   2017年3月

Preliminary Statistical Analysis of Localization Error in the Presence of Spatial Correlation

Azril HANIZ, Gia Khanh TRAN, Kei SAKAGUCHI, Jun-ichi TAKADA, Toshihiro YAMAGUCHI, Shintaro ARATA

IEICE General Conference   2017年3月

［ポスター講演］Wi-Fi位置指紋法と歩行者デッドレコニングを用いた屋内測位システム

小坂亮太, タン ザカン, 阪口啓, 荒木純道

CQ研究会, 信学技法, 電子情報通信学会, Vol. 2016-10-CQ, Oct. 2016.   2016年10月

ミリ波を活用するヘテロジニアスセルラネットワークの研究開発

阪口啓, 三瓶政一, 衣斐信介, 荒木純道, タンザカン, 山口明, 難波忍, 林高弘, 縣亮, 末柄恭宏, 大関武雄, 森脇和也, 彭海蘭, 外山隆行, 櫻井利昭, 岡坂昌蔵, 牟田竜二, 齋藤昭裕, 湯田泰明, 安達尚季

ICTイノベーションフォーラム2016   2016年10月

Optimization of Sensor Layout for Localization using Signal Strength Difference Fingerprints

Azril HANIZ, Gia Khanh TRAN, Kei SAKAGUCHI, Jun-ichi TAKADA, Toshihiro YAMAGUCHI, Tsutomu MITSUI, Shintaro ARATA

IEICE Society Conference   2016年9月

ヘテロジニアスネットワークにおけるユーザ満足度を考慮した接続基地局選択法

下平 英和, タン ザカン, 阪口 啓, 荒木 純道

電子情報通信学会ソサイエティ大会, 電子情報通信学会, Sept. 2016.   2016年9月

5Gに向けた基地局連携方式と通信周波数帯の最適な組み合わせに関する一検討

下平 英和, タンザカン, 阪口 啓, 荒木 純道

電子情報通信学会技術研究報告   116 ( 149 )   97 - 102   2016年7月

ミリ波5Gにおけるアクセス回線とバックホールの同時最適化に関する研究,

小川弘顕, 下平 英和, タン ザカン, 阪口 啓, Thomas Haustein

信学技法,   Vol. 116 ( No. RCS-110 )   267 - 272   2016年6月

[Poster Presentation] Sub-optimal and Low complexity Signal Detection method based on Power Spectrum under Noise Uncertainty

Hiroyuki Kamata, Gia Khanh Tran, Kei Sakaguchi, Kiyomichi Araki

SmartCom2016   Vol. 2016-5-SR   2016年5月

C-RANに基づく5G HetNetにおけるユーザ満足度を満たすスモールセル基地局の動的ON/OFF制御 (無線通信システム)

タン ザカン, 下平 英和, 阪口 啓, 荒木 純道

信学技報   116 ( 11 )   7 - 12   2016年4月

Dynamic Tracking of Unknown Emitters in Urban Environments using Particle Filters

信学技報(SR2016-24)   Vol. 116 ( No. 29 )   83 - 90   2016年4月

[Invited Lecture] Fingerprint-based Localization of Unknown Radio Emitters in Non Line-of-Sight Environments 招待 査読

Azril HANIZ, Gia Khanh TRAN, Kentaro SAITO, Kei SAKAGUCHI, Jun-ichi TAKADA, Daisuke HAYASHI, Toshihiro YAMAGUCHI, Shintaro ARATA

IEICE Mobile Communication Workshop 2016, Tokyo Japan   Vol. 2016-3-SR-RCS-CCS-SRW   2016年3月

屋内環境における連携型APによる測位システムの構築および実験検証

小坂 亮太, タン ザカン, 阪口 啓, 荒木 純道

電子情報通信学会技術研究報告   115 ( 473 )   145 - 150   2016年3月

［依頼講演］Simple Inter-carrier Interference Compensation Scheme for Millimeter Wave OFDM Systems -- PER Evaluation considering Channel Estimation --

張 裕淵, タン ザカン, 阪口 啓, 荒木 純道

電子情報通信学会技術研究報告   115 ( 473 )   151 - 156   2016年3月

Fingerprint-based Localization of Unknown Radio Emitters in Non Line-of-Sight Environments (スマート無線) -- (移動通信ワークショップ)

Azril Haniz, Tran Gia Khanh, 齋藤 健太郎, 阪口 啓, 高田 潤一, HAYASHI Daisuke, 山口 敏浩, ARATA Shintaro

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 電子情報通信学会, Vol. 115, No. 473, Feb. 2016.   2016年2月

[依頼講演 ]小会議室におけるミリ波帯 MU-MIMOシステムのユーザスケジューリング～ 3セクタ・アクセスポイント・モデルと公平性を考慮した方式検討～ 査読

張 裕淵, 櫨 紗也子, タンザカン, 阪口 啓, 荒木 純道, 府川 和彦

映像情報メディア学会技術報告   40 ( 0 )   43 - 46   2016年