Outlier detection methods of low SNR nodes for cooperative spectrum sensing. - Hung Vu Le; Mai Ohta; Kei Inage; Takeo Fujii; Kazushi Muraoka; Masayuki Ariyoshi (ISWCS, 2010)

Power control schemes for spectrum sharing based on capacity conservation ratio in Rayleigh fading channel. - Kei Inage; Takeo Fujii; Kazushi Muraoka; Masayuki Ariyoshi (CCNC, 2011)

White space vectors for channel selection in vehicular cognitive networks. - Kei Inage; SeonNyeon Lee; Takeo Fujii; Onur Altintas (VNC, 2011)

Interference-adapted scheduling weight for small-cell in heterogeneous network. - Kei Inage; Takeo Fujii (PIMRC Workshops, 2013)

Short paper: Probing the spectrum with vehicles: Towards an advanced spectrum database. - Takeo Fujii; Kei Inage; Masayuki Kitamura; Onur Altintas; Haris Kremo; Hideaki Tanaka (VNC, 2013)

Capacity conservation ratio: a novel interference constraint for spectrum sharing. - Kei Inage; Takeo Fujii; Kazushi Muraoka; Masayuki Ariyoshi (Trans. Emerg. Telecommun. Technol., 2013)

Cooperative Spectrum Sensing in the Vehicular Environment: An Experimental Evaluation. - Haris Kremo; Onur Altintas; Hideaki Tanaka; Masayuki Kitamura; Kei Inage; Takeo Fujii (VTC Spring, 2014)

Measurement-Based Spectrum Database for Flexible Spectrum Management. - Koya Sato; Masayuki Kitamura; Kei Inage; Takeo Fujii (IEICE Trans. Commun., 2015)

Spectrum database-assisted radio propagation prediction for wireless distributed networks: A geostatistical approach. - Koya Sato; Kei Inage; Takeo Fujii (PIMRC, 2016)

Compensation of survivorship bias in path loss modeling. - Koya Sato; Kei Inage; Takeo Fujii (PIMRC, 2017)

Experimental Verification of Frequency-Correlation in Radio Propagation Characteristics for Radio Environment Recognition. - Keita Onose; Koya Sato; Kei Inage; Takeo Fujii (ICOIN, 2019)

Highly Accurate Prediction of Radio Propagation Using Model Classifier. - Keita Katagiri; Keita Onose; Koya Sato; Kei Inage; Takeo Fujii (VTC Spring, 2019)

On the Performance of Neural Network Residual Kriging in Radio Environment Mapping. - Koya Sato; Kei Inage; Takeo Fujii (IEEE Access, 2019)

Modeling the Kriging-Aided Spatial Spectrum Sharing Over Log-Normal Channels. - Koya Sato; Kei Inage; Takeo Fujii (IEEE Wirel. Commun. Lett., 2019)

Radio Environment Map Construction with Joint Space-Frequency Interpolation. - Koya Sato; Kei Inage; Takeo Fujii (ICAIIC, 2020)

Experimental Verification of Shadowing Classification for Radio Map. - Keita Katagiri; Koya Sato; Kei Inage; Takeo Fujii (VTC Fall, 2020)

Clustering for Signal Power Distribution Toward Low Storage Crowdsourced Spectrum Database. - Yoji Uesugi; Keita Katagiri; Koya Sato; Kei Inage; Takeo Fujii (IEICE Trans. Commun., 2021)

Dynamic Radio Map Using Statistical Hypothesis Testing. - Keita Katagiri; Koya Sato; Kei Inage; Takeo Fujii (IEEE Trans. Cogn. Commun. Netw., 2021)

Space-Frequency-Interpolated Radio Map. - Koya Sato; Katsuya Suto; Kei Inage; Koichi Adachi; Takeo Fujii (IEEE Trans. Veh. Technol., 2021)

Image-Driven Spatial Interpolation With Deep Learning for Radio Map Construction. - Katsuya Suto; Shinsuke Bannai; Koya Sato; Kei Inage; Koichi Adachi; Takeo Fujii (IEEE Wirel. Commun. Lett., 2021)

Radio Map Extrapolation Using Compensated Empirical CDF Under Interference-Limited Observations. - Keita Katagiri; Koya Sato; Kei Inage; Takeo Fujii (IEEE Access, 2022)

Observation of the Terrestrial Radio Environment Using the Low Earth Orbit Satellite Constellation. - Takatoshi Obata; Osamu Takyu; Kei Inage; Takeo Fujii; Kohei Yoshida; Masayuki Ariyoshi (APSIPA, 2024)

Improvement of Terrestrial Radio Environment Measurement Methods Using Satellite Constellations. - Takatoshi Obata; Osamu Takyu; Kei Inage; Takeo Fujii; Kohei Yoshida; Masayuki Ariyoshi (ICOIN, 2025)