Masahiro Umehira

Proceedings of the 12th International Symposium on Information and Communication Technology, 2023

RNN-based Interference Suppression Method for CS radar: Simulation and Experimental Evaluations.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Artificial Intelligence in Information and Communication, 2023

Orthogonal Subcarrier Division Multiplexing Using the Same Optical Wavelength.

[BibT_eX]

[DOI]

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

Quantitative Analysis of Bubble Cross-Sectional Area and Electrical Constants in a Phantom Using Ultrasonic Vibration.

[BibT_eX]

[DOI]

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

Effect of Unmanned Aerial Vehicles for Electromagnetic Field Measurement on Near Field of High-frequency-Band Monopole Antennas.

[BibT_eX]

[DOI]

Proceedings of the 12th IEEE Global Conference on Consumer Electronics, 2023

Deep Reinforcement Learning-Based On-Off Analog Beamforming Coordination for Downlink MISO Networks.

[BibT_eX]

[DOI]

Proceedings of the IEEE Intl Conf on Dependable, 2023

Radar-Communication Integration System based on PMCW Radar using Zadoff-Chu Sequence.

[BibT_eX]

[DOI]

Katsuyuki Fujii

Yasuyuki Okumura

Proceedings of the 28th Asia Pacific Conference on Communications, 2023

OTFS and Delay Doppler Communications.

[BibT_eX]

[DOI]

Y. Hong

Proceedings of the 28th Asia Pacific Conference on Communications, 2023

2022

A Usage Aware Dynamic Spectrum Access Scheme for Interweave Cognitive Radio Network by Exploiting Deep Reinforcement Learning.

[BibT_eX]

[DOI]

Sensors, 2022

A Deep Reinforcement Learning based Analog Beamforming Approach in Downlink MISO Systems.

[BibT_eX]

[DOI]

Proceedings of the 95th IEEE Vehicular Technology Conference, 2022

Deep reinforcement learning based secondary user transmit power control for underlay cognitive radio networks.

[BibT_eX]

[DOI]

Proceedings of the Conference on Research in Adaptive and Convergent Systems, 2022

Prototype development of VR based personal zone defense practice equipment.

[BibT_eX]

[DOI]

Proceedings of the 4th IEEE Global Conference on Life Sciences and Technologies, 2022

Performance evaluation of antenna using the human body as an element.

[BibT_eX]

[DOI]

Proceedings of the 11th IEEE Global Conference on Consumer Electronics, 2022

2021

Reinforcement Learning for Joint Channel/Subframe Selection of LTE in the Unlicensed Spectrum.

[BibT_eX]

[DOI]

Yuki Kishimoto

Wirel. Commun. Mob. Comput., 2021

Wireless Access Control in Edge-Aided Disaster Response: A Deep Reinforcement Learning-Based Approach.

[BibT_eX]

[DOI]

IEEE Access, 2021

Antenna Element Space Interference Cancelling Radar for Angle Estimations of Multiple Targets.

[BibT_eX]

[DOI]

IEEE Access, 2021

Deep Reinforcement Learning based Usage Aware Spectrum Access Scheme.

[BibT_eX]

[DOI]

Proceedings of the 24th International Symposium on Wireless Personal Multimedia Communications, 2021

A Simplified DPD Linearizer using Operation Point Estimation Pilot Signals for Mobile Terminal Application in TDD Wireless Systems.

[BibT_eX]

[DOI]

Proceedings of the 24th International Symposium on Wireless Personal Multimedia Communications, 2021

FFT-based frequency domain filter design for multichannel overlap-windowed-DFTs-OFDM signals.

[BibT_eX]

[DOI]

Proceedings of the 93rd IEEE Vehicular Technology Conference, 2021

Proto-type Development of Vibration-induced Haptic Shoes for Perceiving the Front Obstacle.

[BibT_eX]

[DOI]

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

Evaluation of 3D Virtualization Accuracy for VR-Based Personal Basketball Team-Practice System.

[BibT_eX]

[DOI]

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

Effect of Air Bubbles Mixed in During Phantom Fabrication on Electrical Constants.

[BibT_eX]

[DOI]

Proceedings of the 10th IEEE Global Conference on Consumer Electronics, 2021

2020

An Efficient Privacy Preserving Spectrum Sharing Framework for Internet of Things.

[BibT_eX]

[DOI]

IEEE Access, 2020

A Framework to Determine Secure Distances for Either Drones or Robots Based Inventory Management Systems.

[BibT_eX]

[DOI]

IEEE Access, 2020

Reinforcement Learning based Joint Channel/Subframe Selection Scheme for Fair LTE-WiFi Coexistence.

[BibT_eX]

[DOI]

Yuki Kishimoto

Proceedings of the 16th International Conference on Mobility, Sensing and Networking, 2020

DPD based HPA linearizer using in-band operation point estimation pilot for mobile device applications.

[BibT_eX]

[DOI]

Proceedings of the 14th International Conference on Signal Processing and Communication Systems, 2020

Deep Reinforcement Learning based Access Control for Disaster Response Networks.

[BibT_eX]

[DOI]

Proceedings of the IEEE Global Communications Conference, 2020

2019

A Feasibility Study on the Safety Confirmation System Using NFC and UHF Band RFID Tags.

[BibT_eX]

[DOI]

Kenichi Kagoshima

IEICE Trans. Inf. Syst., 2019

Numerical Link Outage Probability Assessment using Meteorological Data for THz-Band Outdoor Wireless Communication Systems.

[BibT_eX]

[DOI]

Proceedings of the 22nd International Symposium on Wireless Personal Multimedia Communications, 2019

Crowdsourced Radio Environment Mapping by Exploiting Machine Learning.

[BibT_eX]

[DOI]

Proceedings of the 22nd International Symposium on Wireless Personal Multimedia Communications, 2019

An Overlap-Windowed-OQAM-DFTs-OFDM Scheme to Achieve Low PAPR and ACLP.

[BibT_eX]

[DOI]

Proceedings of the 16th International Symposium on Wireless Communication Systems, 2019

Online Incentive Mechanism for Crowdsourced Radio Environment Map Construction.

[BibT_eX]

[DOI]

Proceedings of the 2019 IEEE International Conference on Communications, 2019

2018

Energy Efficient Learning-Based Indoor Multi-Band WLAN for Smart Buildings.

[BibT_eX]

[DOI]

IEEE Access, 2018

Overlap-Windowed-DFTs-OFDM with Overlap FFT Filter-Bank for Flexible Uplink Access in 5G and Beyond.

[BibT_eX]

[DOI]

Proceedings of the 88th IEEE Vehicular Technology Conference, 2018

Energy Efficient Learning-Based 60GHz Band Coverage Prediction for Multi-Band WLAN.

[BibT_eX]

[DOI]

Proceedings of the 88th IEEE Vehicular Technology Conference, 2018

Feasibility of HPA Linearization System using Amplitude Reference Pilot Signal.

[BibT_eX]

[DOI]

Proceedings of the 24th Asia-Pacific Conference on Communications, 2018

2017

Fine-Grained Incentive Mechanism for Sensing Augmented Spectrum Database.

[BibT_eX]

[DOI]

Proceedings of the 2017 IEEE Global Communications Conference, 2017

Incentivizing crowdsourcing for exclusion zone refinement in spectrum sharing system.

[BibT_eX]

[DOI]

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

Kriging-based RSSI prediction for cell coverage discovery using spectrum database in 5G multi-band cellular networks.

[BibT_eX]

[DOI]

Yuto Ogawa

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

2016

Improving Performance by Countering Human Body Shadowing in 60GHz Band Wireless Systems by Using Two Transmit and Two Receive Antennas.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2016

Ultra-multi-amplitude-level BPSK based SSB-DFTs-OFDM to achieve higher spectrum efficiency.

[BibT_eX]

[DOI]

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

A novel overlap FFT filter-bank using windowing and smoothing techniques to reduce adjacent channel interference for flexible spectrum access.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Information and Communication Technology Convergence, 2016

Load modulation based MIMO communication for the low complexity and low power consumption.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Consumer Electronics, 2016

Experimental evaluation of a spectrum occupancy rate measurement method based on LSE estimation of Gaussian noise CDF.

[BibT_eX]

[DOI]

Shota Rachi

Proceedings of the 2016 22nd Asia-Pacific Conference on Communications (APCC), 2016

2015

Performance Evaluation of SSB Transmission of DFTs-OFDM Using Multi-Level BPSK through Nonlinear HPA.

[BibT_eX]

[DOI]

Proceedings of the IEEE 81st Vehicular Technology Conference, 2015

A Modified DFTs-OFDM with DC Subcarrier Shift for Low PAPR and DC Offset Error Robustness.

[BibT_eX]

[DOI]

Shigeki Nihei

Proceedings of the IEEE 81st Vehicular Technology Conference, 2015

Further evaluation of frequency cooperative ARQ scheme for multi-band WLAN.

[BibT_eX]

[DOI]

Proceedings of the 15th International Symposium on Communications and Information Technologies, 2015

A twin cylinder model for moving human body shadowing in 60GHz WLAN.

[BibT_eX]

[DOI]

Proceedings of the 21st Asia-Pacific Conference on Communications, 2015

2014

Feasibility of Guard Band Utilization for Cognitive Radio Using TV White Space.

[BibT_eX]

[DOI]

Noriyuki Yaginuma

Hiroshi Harada

IEICE Trans. Commun., 2014

Feasibility of RSSI based access network detection for multi-band WLAN using 2.4/5GHz and 60GHz.

[BibT_eX]

[DOI]

Proceedings of the 2014 International Symposium on Wireless Personal Multimedia Communications, 2014

Location-based centralized dynamic channel assignment with channel segregation for multi-beam mobile satellite networks.

[BibT_eX]

[DOI]

Proceedings of the Sixth International Conference on Wireless Communications and Signal Processing, 2014

Dynamic channel assignment scheme with cooperative beam forming for multi-beam mobile satellite networks.

[BibT_eX]

[DOI]

Proceedings of the Sixth International Conference on Wireless Communications and Signal Processing, 2014

2013

Dynamic channel assignment based on interference measurement with threshold for multi-beam mobile satellite networks.

[BibT_eX]

[DOI]

Proceedings of the 19th Asia-Pacific Conference on Communications, 2013

A novel spectrum sensing scheme using clock timing extraction based feature detection.

[BibT_eX]

[DOI]

Kenta Sakurai

Proceedings of the 19th Asia-Pacific Conference on Communications, 2013

2012

Design and Performance of Overlap FFT Filter-Bank for Dynamic Spectrum Access Applications.

[BibT_eX]

[DOI]

Motohiro Tanabe

IEICE Trans. Commun., 2012

An Orthogonal Polarization Based MIMO Transmission for Advanced 60GHz WLAN.

[BibT_eX]

[DOI]

Toshiaki Sasame

Hirokazu Sawada

Proceedings of the 75th IEEE Vehicular Technology Conference, 2012

A guard band aggregation scheme for cognitive radio using TV white space.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Communication Systems, 2012

2011

A new spectrum sensing scheme using overlap FFT filter-bank for dynamic spectrum access.

[BibT_eX]

[DOI]

Takanori Sato

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

2010

Impulse Response Model and Parameters for Indoor Channel Modeling at 60GHz.

[BibT_eX]

[DOI]

Proceedings of the 71st IEEE Vehicular Technology Conference, 2010

2009

Recent Japanese R&D in Satellite Communications.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2009

A Novel Dynamic Channel Access Scheme Using Overlap FFT Filter-Bank for Cognitive Radio.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2009

Polarization dependence in double directional propagation channel at 60GHz.

[BibT_eX]

[DOI]

Proceedings of the IEEE 20th International Symposium on Personal, 2009

2008

Wide area ubiquitous network: the network operator's view of a sensor network.

[BibT_eX]

[DOI]

IEEE Commun. Mag., 2008

2007

Concept and Feasibility Study of Wide Area Ubiquitous Network for Sensors and Actuators.

[BibT_eX]

[DOI]

Proceedings of the 65th IEEE Vehicular Technology Conference, 2007

A design of single carrier based PHY for IEEE 802.15.3c standard.

[BibT_eX]

[DOI]

Proceedings of the IEEE 18th International Symposium on Personal, 2007

2005

IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2005

Interference Analysis from Impulse Radio UWB Systems Using Simple Signal Models.

[BibT_eX]

[DOI]

Yasuo Suzuki

Ichihiko Toyoda

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005

Implementation and Performance Evaluation of Simple SDM-COFDM Prototype Using Propagation Coefficient Matrix Tracking for Fast Fading MIMO Channels.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2005

Proposal of 5/25-GHz dual band OFDM-based wireless LAN for high-capacity broadband communications.

[BibT_eX]

[DOI]

Proceedings of the IEEE 16th International Symposium on Personal, 2005

Packet multiplexing transmission technique in wireless ad-hoc networks.

[BibT_eX]

[DOI]

Shoukei Kobayashi

Masayoshi Nakayama

Proceedings of the IEEE 16th International Symposium on Personal, 2005

2004

Development of SDM-COFDM prototype employing a hierarchical ICI canceller for MIMO-based broadband wireless access systems.

[BibT_eX]

[DOI]

Proceedings of the 2004 IEEE Wireless Communications and Networking Conference , 2004

Performance evaluation of QoS control scheme that uses back pressure traffic control.

[BibT_eX]

[DOI]

Fusao Nuno

Ichihiko Toyoda

Proceedings of the IEEE 15th International Symposium on Personal, 2004

2003

Development of a novel SDM-COFDM prototype for broadband wireless access systems.

[BibT_eX]

[DOI]

Proceedings of the 2003 IEEE Wireless Communications and Networking, 2003

Performance of IEEE 802.11 wireless LAN implemented on software defined radio with hybrid programmable architecture.

[BibT_eX]

[DOI]

Proceedings of IEEE International Conference on Communications, 2003

2002

OFDM/CDMA Technologies for Future Broadband Mobile Communication Systems.

[BibT_eX]

[DOI]

Takatoshi Sugiyama

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

SDM-COFDM scheme using feed-forward inter-channel interference canceller for broadband mobile communications.

[BibT_eX]

[DOI]

Proceedings of the 55th IEEE Vehicular Technology Conference, 2002

Design and performance evaluation of software defined radio prototype for PHS and IEEE 802.11 wireless LAN.

[BibT_eX]

[DOI]

Proceedings of the 13th IEEE International Symposium on Personal, 2002

2000

Satellite communication system integrated into terrestrial ISDN.

[BibT_eX]

[DOI]

IEEE Trans. Aerosp. Electron. Syst., 2000

1999

Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band.

[BibT_eX]

[DOI]

Comput. Networks, 1999

Air interface access schemes for broadband mobile systems.

[BibT_eX]

[DOI]

Max Prögler

Cengiz Evci

IEEE Commun. Mag., 1999

Automatic repeat request schemes for high-speed wireless access systems with constraint of finite control channel capacity.

[BibT_eX]

[DOI]

Proceedings of the 1999 IEEE Wireless Communications and Networking Conference, 1999

Wireless and IP integrated system architectures for broadband mobile multimedia services.

[BibT_eX]

[DOI]

Proceedings of the 1999 IEEE Wireless Communications and Networking Conference, 1999

1997

Error correction and error detection techniques for wireless ATM systems.

[BibT_eX]

[DOI]

Satoru Aikawa

Yasushi Motoyama

Wirel. Networks, 1997

Wireless communications in the twenty-first century: a perspective.

[BibT_eX]

[DOI]

Proc. IEEE, 1997

1996

ATM wireless access for mobile multimedia: concept and architecture.

[BibT_eX]

[DOI]

IEEE Wirel. Commun., 1996

A Proposal of an ATM Wireless Access System for Tetherless Multimedia Services.

[BibT_eX]

[DOI]

Mob. Networks Appl., 1996

A novel buffer control scheme for ATM cell transport with improved cell delay variation for wireless ATM.

[BibT_eX]

[DOI]

Hijin Sato