Kenta Umebayashi

IEEE Access, 2023

Enhanced Signal Detection and Constellation Design for Massive SIMO Communications With 1-Bit ADCs.

[BibT_eX]

[DOI]

IEEE Access, 2023

Spectrum Occupancy Prediction based on adaptive Recurrent Neural Networks.

[BibT_eX]

[DOI]

Proceedings of the IEEE Wireless Communications and Networking Conference, 2023

2022

Proactive Radar Protection System in Shared Spectrum via Forecasting Secondary User Power Levels.

[BibT_eX]

[DOI]

IEEE Access, 2022

Distance Estimation Based on Molecular Absorption at THz Frequencies.

[BibT_eX]

[DOI]

Proceedings of the IEEE Globecom 2022 Workshops, 2022

2021

High-Efficiency FCME-Based Noise Power Estimation for Long-Term and Wide-Band Spectrum Measurements.

[BibT_eX]

[DOI]

IEEE Access, 2021

Performance Analysis of Resource Allocation in THz-Based Subcarrier Index Modulation Systems for Mobile Users.

[BibT_eX]

[DOI]

IEEE Access, 2021

Feature-Based Deep Neural Networks for Short-Term Prediction of WiFi Channel Occupancy Rate.

[BibT_eX]

[DOI]

IEEE Access, 2021

Enhanced Signal Detection for Massive SIMO Communications with 1-Bit ADCs.

[BibT_eX]

[DOI]

Proceedings of the 22nd IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2021

Spatio-Temporal Analyses of Environmental Monitoring Based on Wireless Sensor Networks.

[BibT_eX]

[DOI]

Proceedings of the 2021 IEEE Sensors, Sydney, Australia, October 31 - Nov. 3, 2021, 2021

Time Domain Propagation Characteristics with Causal Channel Model for Terahertz Band.

[BibT_eX]

[DOI]

Proceedings of the IEEE International Conference on Communications Workshops, 2021

Relay Nodes Selection Using Reinforcement Learning.

[BibT_eX]

[DOI]

Haesik Kim

Proceedings of the International Conference on Artificial Intelligence in Information and Communication, 2021

Resource Allocation in THz-based Subcarrier Index Modulation Systems for Mobile Users.

[BibT_eX]

[DOI]

Proceedings of the IEEE Global Communications Conference, 2021

Forecasting Wireless Network Traffic and Channel Utilization Using Real Network/Physical layer Data.

[BibT_eX]

[DOI]

Proceedings of the Joint European Conference on Networks and Communications & 6G Summit, 2021

2020

Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Imperfect Spectrum Sensing.

[BibT_eX]

[DOI]

IEEE Trans. Commun., 2020

Energy Constrained Optimization for Spreading Factor Allocation in LoRaWAN.

[BibT_eX]

[DOI]

Shusuke Narieda

Sensors, 2020

Theoretical Analyses of Maximum Cyclic Autocorrelation Selection Based Spectrum Sensing.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2020

Adaptive Antenna Array with weight and antenna space control.

[BibT_eX]

[DOI]

Yoshimasa Kimoto

Antti Tölli

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference, 2020

Reconstruction Algorithm for Primary Channel Statistics Estimation Under Imperfect Spectrum Sensing.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference, 2020

Direct Beamformer Estimation for Hybrid Architecture in mmWave Dynamic TDD System.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference Workshops, 2020

Sample Size Analysis of Energy Detection under Fading Channels.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference Workshops, 2020

Methods for Fast Estimation of Primary Activity Statistics in Cognitive Radio Systems.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference, 2020

A Study on High-Efficiency Energy Detection-Based Spectrum Measurements.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference Workshops, 2020

Applying Deep Neural Networks for Duty Cycle Estimation.

[BibT_eX]

[DOI]

Proceedings of the 2020 IEEE Wireless Communications and Networking Conference, 2020

On Power Consumption of End Device in LoRa Networks with Listen Before Talk.

[BibT_eX]

[DOI]

Shusuke Narieda

Proceedings of the 2020 International Conference on Information Networking, 2020

On Placement of End Devices in LPWAN Based WSN for Environmental Monitoring Applications.

[BibT_eX]

[DOI]

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2020

2019

Estimation of Primary Channel Activity Statistics in Cognitive Radio Based on Periodic Spectrum Sensing Observations.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2019

On the Sample Size for the Estimation of Primary Activity Statistics Based on Spectrum Sensing.

[BibT_eX]

[DOI]

IEEE Trans. Cogn. Commun. Netw., 2019

Design of Spectrum Usage Detection in Wideband Spectrum Measurements.

[BibT_eX]

[DOI]

IEEE Access, 2019

Accurate Noise Floor Calibration based on Modified Expectation Maximisation of Gaussian Mixture.

[BibT_eX]

[DOI]

Proceedings of the 2019 IEEE Wireless Communications and Networking Conference, 2019

Time and Frequency Varying Noise Floor Estimation for Spectrum Usage Measurement.

[BibT_eX]

[DOI]

Proceedings of the 2019 IEEE Wireless Communications and Networking Conference Workshop, 2019

Derivation of Sensing Features for Maximum Cyclic Autocorrelation Selection Based Signal Detection.

[BibT_eX]

[DOI]

Proceedings of the 90th IEEE Vehicular Technology Conference, 2019

Measurements of LoRa Propagation in Harsh Environment: Numerous NLOS Areas and Ill-Conditioned LoRa Gateway.

[BibT_eX]

[DOI]

Proceedings of the 90th IEEE Vehicular Technology Conference, 2019

Time Domain Channel Model for the THz Band.

[BibT_eX]

[DOI]

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

Spectrum usage model for smart spectrum.

[BibT_eX]

[DOI]

Proceedings of the 2019 IEEE/CIC International Conference on Communications in China, 2019

Statistics Shared CAF Diversity Combining Based Sensing Using Weight Computation Technique.

[BibT_eX]

[DOI]

Proceedings of the International Conference on Artificial Intelligence in Information and Communication, 2019

Primary Channel Duty Cycle Estimation under Imperfect Spectrum Sensing Based on Mean Channel Periods.

[BibT_eX]

[DOI]

Proceedings of the 2019 IEEE Global Communications Conference, 2019

Effect of LBT Time on LoRa Network Performance: Signal Detection Theorem Based Analyses.

[BibT_eX]

[DOI]

Shusuke Narieda

Proceedings of the 2019 IEEE International Symposium on Dynamic Spectrum Access Networks, 2019

2018

Efficient Time Domain Deterministic-Stochastic Model of Spectrum Usage.

[BibT_eX]

[DOI]

Masanao Kobayashi

Miguel López-Benítez

IEEE Trans. Wirel. Commun., 2018

Welch FFT Segment Size Selection Method for FFT Based Wide Band Spectrum Measurement.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2018

Cooperative Estimation of Primary Traffic Under Imperfect Spectrum Sensing and Byzantine Attacks.

[BibT_eX]

[DOI]

IEEE Access, 2018

A study on time domain deterministic-stochastic model of spectrum usage in WLAN.

[BibT_eX]

[DOI]

Miguel López-Benítez

Proceedings of the 2018 IEEE Wireless Communications and Networking Conference, 2018

Improving primary statistics prediction under imperfect spectrum sensing.

[BibT_eX]

[DOI]

Proceedings of the 2018 IEEE Wireless Communications and Networking Conference, 2018

Accurate estimation of primary user traffic based on periodic spectrum sensing.

[BibT_eX]

[DOI]

Proceedings of the 2018 IEEE Wireless Communications and Networking Conference, 2018

A study on impulse response model of reflected path for THz band.

[BibT_eX]

[DOI]

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2018

2017

Smart Spectrum for Future Wireless World.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2017

Threshold-Setting for Spectrum Sensing Based on Statistical Information.

[BibT_eX]

[DOI]

Kazuhiro Hayashi

IEEE Commun. Lett., 2017

A Study on False Alarm Cancellation for Spectrum Usage Measurements.

[BibT_eX]

[DOI]

Proceedings of the 2017 IEEE Wireless Communications and Networking Conference Workshops, 2017

PECAS: A Low-Cost Prototype for the Estimation of Channel Activity Statistics in Cognitive Radio.

[BibT_eX]

[DOI]

Proceedings of the 2017 IEEE Wireless Communications and Networking Conference, 2017

Investigating the Estimation of Primary Occupancy Patterns under Imperfect Spectrum Sensing.

[BibT_eX]

[DOI]

Proceedings of the 2017 IEEE Wireless Communications and Networking Conference Workshops, 2017

Analytical study on the estimation of primary activity distribution based on spectrum sensing.

[BibT_eX]

[DOI]

Proceedings of the 28th IEEE Annual International Symposium on Personal, 2017

Study on simple signal area estimation for efficient spectrum measurements.

[BibT_eX]

[DOI]

Proceedings of the 2017 European Conference on Networks and Communications, 2017

2016

Smart Spectrum Technologies for Mobile Information Systems.

[BibT_eX]

[DOI]

Mob. Inf. Syst., 2016

Simple Primary User Signal Area Estimation for Spectrum Measurement.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2016

Welch FFT Segment Size Selection Method for Spectrum Awareness System.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2016

Analysis of transmit power setting technique for cognitive radio networks.

[BibT_eX]

[DOI]

Isameldin Suliman

EURASIP J. Wirel. Commun. Netw., 2016

A study on Welch FFT segment size selection method for spectrum awareness.

[BibT_eX]

[DOI]

Proceedings of the IEEE Wireless Communications and Networking Conference Workshops, 2016

CAF Diversity Combining for Spectrum Sensing by Test Statistics Sharing with Time-Averaged Weights.

[BibT_eX]

[DOI]

Proceedings of the IEEE 84th Vehicular Technology Conference, 2016

2015

Improved Channel Occupancy Rate Estimation.

[BibT_eX]

[DOI]

IEEE Trans. Commun., 2015

On the effect of false alarm rate on the performance of cognitive radio networks.

[BibT_eX]

[DOI]

Isameldin Suliman

EURASIP J. Wirel. Commun. Netw., 2015

Optimum welch FFT segment size for duty cycle estimation in spectrum awareness system.

[BibT_eX]

[DOI]

Proceedings of the 2015 IEEE Wireless Communications and Networking Conference Workshops, 2015

2014

Detection Method of Same Spreading Code Signals by Multimodulus Algorithm.

[BibT_eX]

[DOI]

Genichiro Murata

IEICE Trans. Commun., 2014

Spectrum Sharing in MIMO Cognitive Radio Systems with Imperfect Channel State Information.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2014

Cooperative source number estimation for cognitive radio networks.

[BibT_eX]

[DOI]

Samuli Tiiro

Proceedings of the International Conference on Information Networking 2014, 2014

A study on detection of receiving signal status change with array antenna.

[BibT_eX]

[DOI]

Seiya Kato

Proceedings of the International Conference on Information Networking 2014, 2014

Duty cycle and noise floor estimation with welch FFT for spectrum usage measurements.

[BibT_eX]

[DOI]

Proceedings of the 9th International Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2014

A study on secure pilot signal design for OFDM systems.

[BibT_eX]

[DOI]

F. Nakabayashi

Proceedings of the Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, 2014

Development of a measurement system for spectrum awareness.

[BibT_eX]

[DOI]

Samuli Tiiro

Attaphongse Taparugssanagorn

Proceedings of the 1st International Conference on 5G for Ubiquitous Connectivity, 2014

Analysis of the Effect of Nonlinear Low Noise Amplifier with Memory for Wideband Spectrum Sensing.

[BibT_eX]

[DOI]

Carlos A. Pomalaza-Raez

Proceedings of the 1st International Conference on 5G for Ubiquitous Connectivity, 2014

2013

On the Measurement of Duty Cycle and Channel Occupancy Rate.

[BibT_eX]

[DOI]

Risto Vuohtoniemi

IEEE J. Sel. Areas Commun., 2013

Detection of the Number of Signals with Fewer Sensors than Sources.

[BibT_eX]

[DOI]

Masashi Tsuji

IEICE Trans. Commun., 2013

Analysis of Cognitive Radio Networks with Imperfect Sensing.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2013

Power control method for MIMO-based cognitive radio with imperfect channel state information.

[BibT_eX]

[DOI]

Samuli Tiiro

Proceedings of the 2013 IEEE Wireless Communications and Networking Conference (WCNC), 2013

Blind channel order and delay timing estimation in autonomous decentralized network using asynchronous DS-CDMA.

[BibT_eX]

[DOI]

Tokihito Watanabe

Proceedings of the 24th IEEE Annual International Symposium on Personal, 2013

Robust multiple hypothesis testing approach for dynamic spectrum sharing.

[BibT_eX]

[DOI]

Proceedings of the 24th IEEE Annual International Symposium on Personal, 2013

A study on stream assignment method for secure MIMO communication.

[BibT_eX]

[DOI]

Satoru Shimosaka

Proceedings of the International Conference on Information Networking 2013, 2013

A study on detection method of same spreading code signals by multimodulus algorithm.

[BibT_eX]

[DOI]

Genichiro Murata

Proceedings of the International Conference on Information Networking 2013, 2013

Study on spectrum sharing method based on distance estimation for cognitive radio networks.

[BibT_eX]

[DOI]

Proceedings of the 2013 IEEE Global Communications Conference, 2013

2012

Efficient Decision Fusion for Cooperative Spectrum Sensing Based on OR-rule.

[BibT_eX]

[DOI]

IEEE Trans. Wirel. Commun., 2012

Analysis of Optimal Weighted Cooperative Spectrum Sensing with Multiple Antenna Elements.

[BibT_eX]

[DOI]

Hironori Tsuchiya

IEICE Trans. Commun., 2012

Energy Detection Based Estimation of Channel Occupancy Rate with Adaptive Noise Estimation.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2012

Study on efficient decision fusion in OR-rule based cooperative spectrum sensing.

[BibT_eX]

[DOI]

Proceedings of the 2012 IEEE Wireless Communications and Networking Conference, 2012

Analysis of optimal weighted cooperative spectrum sensing based on estimation of primary user signal power.

[BibT_eX]

[DOI]

Proceedings of the 13th IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2012

Duty cycle and channel occupancy rate estimation with MED-FCME LAD ACC.

[BibT_eX]

[DOI]

Risto Vuohtoniemi

Proceedings of the 7th International Conference on Cognitive Radio Oriented Wireless Networks, 2012

2011

A New Blind Beamforming and Hop-Timing Detection for FH Communications.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2011

Performance evaluation of limited feedback transmit precoding via phase rotation in correlated MIMO channel.

[BibT_eX]

[DOI]

Sho Furuichi

Proceedings of the 2011 International Conference on Wireless Communications & Signal Processing, 2011

Cyclostationary spectrum sensing under four-level hypothesis for spectrum sharing.

[BibT_eX]

[DOI]

Proceedings of the IEEE 22nd International Symposium on Personal, 2011

Spectrum sensing in public safety applications: The 2-D LAD ACC method.

[BibT_eX]

[DOI]

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

Dynamic selection of CWmin in cognitive radio networks for protecting IEEE 802.11 primary users.

[BibT_eX]

[DOI]

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

2010

On the Selection of the Best Detection Performance Sensors for Cognitive Radio Networks.

[BibT_eX]

[DOI]

IEEE Signal Process. Lett., 2010

Two-Dimensional Signal Localization Algorithm for Spectrum Sensing.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2010

Accurate Estimation of the Number of Weak Coherent Signals.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2010

2009

Teletraffic Analysis of Direct Communication with Clustering.

[BibT_eX]

[DOI]

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

Transmit power selection by cooperative sensing in cognitive radio networks.

[BibT_eX]

[DOI]

Proceedings of the 2009 IEEE Wireless Communications and Networking Conference, 2009

Analysis of cognitive radio networks with imperfect sensing.

[BibT_eX]

[DOI]

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

An application of adaptive array antennas for wireless ad hoc networks based on FIA.

[BibT_eX]

[DOI]

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

A Novel Spectrum Sharing Technique Based on Channel Occupancy Rate Information.

[BibT_eX]

[DOI]

Proceedings of the Global Communications Conference, 2009. GLOBECOM 2009, Honolulu, Hawaii, USA, 30 November, 2009

2008

Frequency sharing hotspot communication under uplink multi-carrier CDMA cellular system.

[BibT_eX]

[DOI]

Wirel. Commun. Mob. Comput., 2008

Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks.

[BibT_eX]

[DOI]

IEICE Trans. Commun., 2008

A New Blind Adaptive Array Antenna Based on CMA Criteria for M-Ary/SS Signals Suitable for Software Defined Radio Architecture.

[BibT_eX]

[DOI]

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

Dialogue-Based Broadcasting Protocol for Wireless Ad Hoc Networks.

[BibT_eX]

[DOI]

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008

A new efficient and robust MAC protocol against multipath fading for ad hoc networks.

[BibT_eX]

[DOI]

Proceedings of the IEEE 19th International Symposium on Personal, 2008

Study on cooperative sensing based on miss detection criteria.

[BibT_eX]

[DOI]

Proceedings of the IEEE 19th International Symposium on Personal, 2008

A new adaptive array antenna application for personal area networks based on cross-degree of freedom concept.

[BibT_eX]

[DOI]

Proceedings of the IEEE 19th International Symposium on Personal, 2008

2007

Channel Assignment based on Iterative Exchange in Wireless Ad-Hoc Networks.

[BibT_eX]

[DOI]

Ulrico Celentano

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

Study on Cooperative Sensing in Cognitive Radio based AD-HOC Network.

[BibT_eX]

[DOI]

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

A New Approach for Blind Frequency-Hopping Detection using Adaptive Array Antenna based on CMA.

[BibT_eX]

[DOI]

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

2006

Analysis of Minimum Hellinger Distance Identification for Digital Phase Modulation.

[BibT_eX]

[DOI]

Keijo Ruotsalainen

Proceedings of IEEE International Conference on Communications, 2006

2002

Secure download system based on software defined radio composed of FPGAs.

[BibT_eX]

[DOI]

Himnon Uchikawa

Ryuji Kohno

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

2000

Blind adaptive estimation of modulation scheme for software defined radio.

[BibT_eX]

[DOI]