Sakaguchi Kei

发表

Optimization of Beam Patterns for Analog Beamforming of Single User Massive MIMO Transmissions

Sakaguchi Kei, Araki Kiyomichi, Arai Maki, 2018 .

Cloud-based channel selection and transmit power control for wireless LAN systems

Sakaguchi Kei, Mizukami Makoto, Sampei Seiichi, 2014 .

Antenna Design with Transmit Beam-forming Control for Robust Base Station Cooperation Multi User-MIMO Systems

Sakaguchi Kei, Araki Kiyomichi, Kosaka Ryota, 2014 .

Deterioration of channel capacity due to propagation delay difference in Base Station Cooperation MIIMO-OFDM

Sakaguchi Kei, Araki Kiyomichi, Tajima Shinichi, 2010 .

From Software Radio to Smart Radio -- Six Measures to Improve Activities in Technical Committee on SR

Sakaguchi Kei, 2014 .

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

Sakaguchi Kei, Araki Kiyomichi, Shimodaira Hidekazu, 2013 .

[Requested Talk] Optimal Antenna Configuration for Multi-user MIMO to be Robust against Channel Variation

Sakaguchi Kei, 2012 .

Practical Relay Node Placement for MIMO Two-way Relay Networks in a U-Shaped Corridor Environment

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2012 .

Technical Challenges to Realize mmWave based 5G Cellular Networks

Sakaguchi Kei, Chang Yuyuan, Fukawa Kazuhiko, 2016 .

Elemental Technology and Example of Basestation Cooperation Cellular Networks -- From Basics of Cellular Network to Dynamic Cell Clustering

Sakaguchi Kei, 2011 .

Novel Network Architecture and Business Model for Consolidated LTE/WLAN Heterogeneous Network with Tight Cooperation

Sakaguchi Kei, Mizukami Makoto, Sampei Seiichi, 2015 .

Green Wireless -- Supply and Control of Energy

Sakaguchi Kei, 2012 .

Dynamic clustering for base station cooperation cellular system using remote radio head network

Sakaguchi Kei, Araki Kiyomichi, Kusashima Naoki, 2010 .

Self-IQ-imbalance Compensation Scheme without Reference Modulator nor Demodulator

Sakaguchi Kei, Araki Kiyomichi, Saito Mariko, 2008 .

5G from Tokyo Institute of Technology Point of View -- For Realization of Millimeter-wave Heterogeneous Networks

Sakaguchi Kei, Chang Yuyuan, Fukawa Kazuhiko, 2015 .

Study on Multi-Channel Receiver based on Polyphase Filter Bank

Sakaguchi Kei, Araki Kiyomichi, Iwabuchi Masashi, 2008 .

Power Allocation for Two-way MIMO relay network

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2009 .

User Combination Selection Method for Base Station Cooperation Multi-User MIMO

Sakaguchi Kei, Araki Kiyomichi, Kusashima Naoki, 2010 .

New Wireless Infrastructure for Battery-less Sensor Networks in Indoor Environments

Sakaguchi Kei, Araki Kiyomichi, Sampei Seiichi, 2013 .

Cognitive MIMO Mesh Network -- Study on energy based signal detection in cognitive radio

Ono Fumie, Sakaguchi Kei, Fujii Takeo, 2007 .

MIMO-OFDM Two-way Multihop Network and Network Synchronization Scheme

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2009 .

2-D MIMOネットワークコーディング及び協力ヌルビームフォーミング

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2008 .

Machine Learning Based Regression of Fingerprint Database for Unknown Radio Localization

Sakaguchi Kei, Haniz Azril, Takada Jun-ichi, 2018 .

A Basic Study on Transmission Interference Canceller in HetNet

Sakaguchi Kei, Fujii Teruya, Taniguchi Reina, 2018 .

Performance Evaluation for Millimeter-wave Backhaul and Edge Cloud Networks

Sakaguchi Kei, Nakamura Makoto, Gia Khanh Tran, 2018 .

Applications of mmWave Heterogeneous Network in 5G -- mmWave meshed network, mmWave Edge Cloud, mmWave V2V/V2X

Sakaguchi Kei, 2017 .

5G-MiEdge -- Millimeter-wave Edge Cloud as an Enabler for 5G Ecosystem

Sakaguchi Kei, Keusgen Wilhelm, Gia Khanh Tran, 2017 .

Cooperative Resource Control of Milimeter Wave Wireless Access via Wi-Fi Coordinator

Sakaguchi Kei, Sampei Seiichi, Miyamoto Shinichi, 2014 .

Resource allocation model and parameter optimization in Heterogeneous Networks

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2011 .

IQ imbalance compensation for RF MIMO fading simulator

Sakaguchi Kei, Araki Kiyomichi, Saito Mariko, 2009 .

Joint RAN/Backhaul Optimization for Millimeter-wave 5G

Sakaguchi Kei, Shimodaira Hidekazu, Gia Khanh Tran, 2016 .

Statistical Propagation Channel Interpolation for Detecting Illegal Radio Emitters in Urban Environments

Sakaguchi Kei, Haniz Azril, Takada Jun-ichi, 2014 .

Trial product of RF-ID (ISO18000-3 mode 2) Reader Writer on Software Defined Radio

Sakaguchi Kei, Araki Kiyomichi, Muraguchi Masahiro, 2006 .

Wireless Grid to Realize Ubiquitous Networks with Wireless Energy Supply

Sakaguchi Kei, Mizutani Keiichi, PutroWicaksono Ragil, 2010 .

Distributed Cooperative Wireless Networks

Sakaguchi Kei, 2009 .

[MiWEBA] Study on dynamic ON/OFF cell association in cloud cooperated HetNet

Sakaguchi Kei, Araki Kiyomichi, Shimodaira Hidekazu, 2015 .

Cognitive MIMO Mesh Network -- Spatial Spectrum Sharing by using MIMO Algorithm

Ono Fumie, Sakaguchi Kei, Fujii Takeo, 2006 .

Experimental study on MIMO cognitive radio system using transmit/receive beamforming

Sakaguchi Kei, Araki Kiyomichi, Iwata Ryosuke, 2013 .

Implementation of MIMO-OFDM Eigenmode Transmission System for IEEE802.11n/16e

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2006 .

A Proposal of Access Point Coordinated Media Access Control Protocol for Millimeter Wave WLAN Systems

Sakaguchi Kei, Sampei Seiichi, Miyamoto Shinichi, 2015 .

Y-type MIMO network coding with cooperative null beamforming

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2009 .

User scheduling in cellular system with Base Station Cooperation

Sakaguchi Kei, Araki Kiyomichi, Kusashima Naoki, 2009 .

WiFi Fingerprint based Coordinated Mm-wave Beamforming

Sakaguchi Kei, Gia Khanh Tran, Iwata Ryosuke, 2015 .

Modeling for Heterogeneous Networks and Radio Resource Optimization

Sakaguchi Kei, 2011 .

Base Station Cooperation MIMO for Spatial Spectrum Sharing

Sakaguchi Kei, 2008 .

[Requested Talk] Green Wireless -- Supply and Control of Energy via Wireless Communications

Sakaguchi Kei, 2012 .

Detection of unidentified radio emitter employing multiple sensors toward the realization of distributed spectrum monitor

Sakaguchi Kei, Hayashi Daisuke, Araki Kiyomichi, 2011 .

RRH based Base Station Cooperation Cellular Network and Resource Management

Sakaguchi Kei, Tajima Shinichi, Kusashima Naoki, 2011 .

Research and Development of Space-Spectrum Sharing MIMO Network

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2014 .

Optimal Picocell Deployment in Heterogeneous Networks with Hotspots

Sakaguchi Kei, Araki Kiyomichi, Shimodaira Hidekazu, 2012 .

A Study of User Scheduling for Millimeter Wave MU-MIMO Systems -- Evaluation with Small Conference Room Channel Model and 3-secter Access Point

Sakaguchi Kei, Chang Yuyuan, Araki Kiyomichi, 2015 .

Node extension typed synchronization protocol for MIMO multihop relay network

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2011 .

[Requested Exhibit] Experimental study on C-plane/U-plane split heterogneous cellular networks

Sakaguchi Kei, Nanba Shinobu, Araki Kiyomichi, 2014 .

High Speed High Reliability Synchronized Wireless Distributed Network based on Cognitive Concept

Ono Fumie, Sakaguchi Kei, Fujii Takeo, 2008 .

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

Sakaguchi Kei, Noda Makoto, Ando Makoto, 2016 .

Bi-directional Link Multiplexing for MIMO Mesh Network

Ono Fumie, Sakaguchi Kei, 2007 .

Indoor 4×4 MIMO-OFDM Channel Measurement at 5GHz

Sakaguchi Kei, Araki Kiyomichi, Mizutani Kei, 2005 .

Research & Development for Millimeter-wave Heterogeneous Networks for 5G

Sakaguchi Kei, 2014 .

Hybrid CSI feedback and precoding method for MU-MIMO

Sakaguchi Kei, Araki Kiyomichi, Oh Yoonseok, 2010 .

Study on Full Duplex 4k Video Transmission Systems by Multi-Drones in 5.7GHz band

Sakaguchi Kei, Araki Kiyomichi, Yajima Takeshi, 2020 .

Optimal Node Placement and Power Allocation in MIMO Two-Way Multihop Networks

Sakaguchi Kei, Araki Kiyomichi, Lee Jonghyun, 2010 .

Study on user scheduling with fairness and correlation among the users

Sakaguchi Kei, Araki Kiyomichi, Yoshida Mitsuteru, 2008 .

Multi-stream Multiplexing for MIMO Mesh Network

Ono Fumie, Sakaguchi Kei, Sugiyasu Takayuki, 2008 .

MIMO-OFDM Eigenmode Adaptive Transmission System-System Performance of Hierarchical Subgroup Power & Modulation Coding Adaptation-

Sakaguchi Kei, Araki Kiyomichi, HaiDoan Le, 2004 .

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

Sakaguchi Kei, Araki Kiyomichi, Sotoyama Takayuki, 2008 .

User scheduling in MU-MIMO system considering codebook design and interference among users

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2012 .

Simple Inter-carrier Interference Compensation Scheme for Millimeter Wave OFDM Systems -- PER Evaluation considering Channel Estimation

Sakaguchi Kei, Chang Yuyuan, Araki Kiyomichi, 2016 .

Null-Steering Bistatic MIMO Radar

Sakaguchi Kei, Araki Kiyomichi, Arata Shintaro, 2010 .

MIMO Fadiong Simulator for Cellular System

Sakaguchi Kei, Suyama Satoshi, Araki Kiyomichi, 2007 .

Analysis on Temporal Variation of Indoor MIMO Channels

Sakaguchi Kei, Takada Jun-ichi, Araki Kiyomichi, 2005 .

Channel Capacity of Basestation Cooperation Multi-user MIMO based on Block Diagonalization

Sakaguchi Kei, Araki Kiyomichi, Arai Maki, 2009 .

Network planning methodology for wireless multi-hop networks in practical environments

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2013 .

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

Sakaguchi Kei, Araki Kiyomichi, Tran Gia Khanh, 2016 .

ZigZag Antenna Configuration for Interference Control in MmWave V2V Communication Systems

Sakaguchi Kei, Yu Tao, Yin Yue, 2020 .

A study on Spectrum Sharing by Cognitive MIMO Mesh Network

Ono Fumie, Sakaguchi Kei, Umebayashi Kenta, 2009 .

MIMO Two-way Multi-hop Relay Networks

Sakaguchi Kei, Mizutani Keiichi, Gia Khanh Tran, 2010 .

Hardware Demonstration on Distributed electric power control network

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2012 .

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

Sakaguchi Kei, MahmoudMohamed Ehab, Amrallah Amr, 2020 .

Multi-channel Two-way Multi-hop Relay Network Hardware Prototype

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2009 .

Hardware Demonstration of Wi-Fi Fingerprint based Millimeter Wave Beamforming

Sakaguchi Kei, Sampei Seiichi, MahmoudMohamed Ehab, 2015 .

Prototype system of a multi-point wireless energy transmitter embedded in LED light

Sakaguchi Kei, Sampei Seiichi, Maehara Daiki, 2015 .

Performance Analysis of Multi-user MIMO System by using Indoor Wideband MIMO Channel Measurement Data

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2006 .

Study on Physical Layer for Cognitive Mesh Networks

Sakaguchi Kei, 2008 .

Symbol Synchronization method for Base Station Cooperation MIMO-OFDM in Heterogeneous Network

Sakaguchi Kei, Araki Kiyomichi, Tajima Shinichi, 2011 .

Experimental Verification of Battery-less Sensor Activation via Multi-point Wireless Energy Transmission

Sakaguchi Kei, Araki Kiyomichi, Sampei Seiichi, 2013 .

Cognitive MIMO Mesh Relay Node at 950MHz Band

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2008 .

Localization of Unknown Radios in Urban Environments -- On-campus Experiment Results

Sakaguchi Kei, Haniz Azril, Takada Jun-ichi, 2018 .

We Can Change from Our Technical Committee of SR

Sakaguchi Kei, 2012 .

Evaluation of oversampling rate limited dual-channel digital predistortion with 3-Box nonlinear model of power amplifier

Sakaguchi Kei, Chang Yuyuan, Araki Kiyomichi, 2016 .

Performance Evaluation of Prefetching Algorithm for 5G mmWave Edge Cloud

Sakaguchi Kei, Nishiuchi Hiroaki, TranGia Khanh, 2017 .

Indoor Localization System based on Multiple AP and its Experimental Investigation

Sakaguchi Kei, Araki Kiyomichi, Kosaka Ryota, 2016 .

2-D MIMO Network Coding and Cooperative Null Beamforming

Ono Fumie, Sakaguchi Kei, Araki Kiyomichi, 2008 .

Future Perspective of Cloud Cooperated Heterogeneous Networks

Sakaguchi Kei, Sampei Seiichi, 2013 .

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

Sakaguchi Kei, Araki Kiyomichi, Maehara Daiki, 2012 .

Nonlinear Inter Cluster Interference Cancellation for Base Station Cooperation Cellular Networks with Shared RRH

Sakaguchi Kei, Sampei Seiichi, Yasui Kenichi, 2013 .

Implementation of RFID (ISO18000-3 mode 2) Reader Writer on Software Defined Radio

Sakaguchi Kei, Araki Kiyomichi, Muraguchi Masahiro, 2006 .

Implementation of MIMO-OFDM Transmission System on MIMO Software Defined Radio

Sakaguchi Kei, Araki Kiyomichi, Kakishima Yuichi, 2005 .

Distributed and joint optimization of power and transceiver beam pattern in two-way MIMO relay networks

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2011 .

Experiment on MIMO Two-way Relaying using Transmit Beamforming

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2012 .

Propagation Measurement of MIMO Relay Network in Strong Shadowing Indoor Environment at 5 GHz Band

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2010 .

Uncompressed 4K Video Transmission System from Drone through mmWave

Sakaguchi Kei, Kaieda Yohei, Takaku Yoshitaka, 2019 .

MIMO Relay Channel Measurement System and Initial Measurement Results

Sakaguchi Kei, Araki Kiyomichi, Tran Gia Khanh, 2007 .

Time Synchronized MIMO Two-way Relay Network Enabling Dynamic Node Participation

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2011 .

Heterogeneous Wireless Distibuted Networks

Sakaguchi Kei, 2008 .

Performance analysis of mesh network introducing 2D MIMO network coding -- A comparison with CSMA/CA

Ono Fumie, Sakaguchi Kei, Umebayashi Kenta, 2009 .

A Study on Vertical Pattern of Base Station Antennas for Base Station Cooperation System

Sakaguchi Kei, Araki Kiyomichi, Arai Maki, 2011 .

[Requested Talk] Development of battery-less sensor networks for LED light control system

Sakaguchi Kei, Araki Kiyomichi, Sampei Seiichi, 2014 .

Development of control and user plane-splitting heterogeneous cellular networks

Sakaguchi Kei, Nanba Shinobu, Nakao Seigo, 2014 .

Performance Analysis of Multi-Stream Two-Way MIMO Multi-Hop Networks

Ono Fumie, Sakaguchi Kei, 2008 .

WiFi Assisted Dual-band MAC Protocol for Coordinated Beamforming among WiGig APs in Indoor Environment

Sakaguchi Kei, Sampei Seiichi, Miyamoto Shinichi, 2015 .

Robust and Low Complexity Adaptive MIMO-OFDM Eigenmode Transmission System

Sakaguchi Kei, Araki Kiyomichi, Ting Seeho, 2006 .

Deterministic and Probabilistic Fingerprint-based Localization utilizing RSS and Phase-difference

Sakaguchi Kei, Haniz Azril, Takada Jun-ichi, 2017 .

Time Domain IQ Imbalance Compensation Scheme for MIMO-OFDM Communication System

Sakaguchi Kei, Araki Kiyomichi, Kamata Hiroyuki, 2005 .

Optimization of Base Station Antenna Directivity for Base Station Cooperation Cellular Systems

Sakaguchi Kei, Araki Kiyomichi, Arai Maki, 2012 .

Dynamic ON/OFF of smallcell BS in C-RAN based 5G HetNet supporting user's satisfaction

Sakaguchi Kei, Araki Kiyomichi, Shimodaira Hidekazu, 2016 .

Hardware Prototype for Two-way Multi-hop Relay Network with Network Coding

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2009 .

Study on cooperative sensing in cognitve radio based ad hoc network

Ono Fumie, Sakaguchi Kei, Umebayashi Kenta, 2007 .

Implementation of 4 x 4 MIMO Fading Simulator

Sakaguchi Kei, Suyama Satoshi, Takada Jun-ichi, 2006 .

Implementation and evaluation of 4×4MIMO fading simulator considering antenna characteristics.

Sakaguchi Kei, Suyama Satoshi, Takada Jun-ichi, 2006 .

Smart Radio World driven by Cloud Cooperated Heterogeneous Networks

Sakaguchi Kei, 2014 .

Antenna Design for Multi-User MIMO to be Robust against Channel Feedback Error

Sakaguchi Kei, Araki Kiyomichi, Arai Maki, 2012 .

A Novel RF Fingerprint Management Architecture for Wi-Fi Fingerprinting Localization

Sakaguchi Kei, Araki Kiyomichi, Iwata Ryosuke, 2014 .

Measurement of Radio Wave Propagation in a Japanese House at 5GHz.

Sakaguchi Kei, Yamamoto Atsushi, Araki Kiyomichi, 2006 .

Dynamic Tracking of Unknown Emitters in Urban Environments using Particle Filters

Sakaguchi Kei, Saito Kentaro, Haniz Azril, 2016 .

Base station power control in C-RAN based U/C splitting HetNet

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2014 .

Link Design for Indoor Sensor Networks Driven by Wireless Power Transmission

Sakaguchi Kei, Araki Kiyomichi, Gia Khanh Tran, 2011 .

Performance Comparison between Feedback and Feedback-less Method to Obtain CSI in Multi-user MIMO Precoding

Sakaguchi Kei, Araki Kiyomichi, Mizutani Keiichi, 2008 .

Method for Location Estimation of Cellular Phone with Illegal Use

Sakaguchi Kei, Hayashi Daisuke, Araki Kiyomichi, 2012 .

Theoretical and Experimental Verification of the Effects of Mutual Coupling on a 2 × 2 MIMO System

Sakaguchi Kei, Araki Kiyomichi, Ogawa Koichi, 2005 .

Optimization of MIMO Antenna Directivities and Derivation of Current Distributions by Using Spherical Mode Expansion

Sakaguchi Kei, Araki Kiyomichi, Koyanagi Yoshio, 2011 .