DASN: demand-addressable sensor network for active information acquisition. - Toshiaki Miyazaki; Hiroki Iwata; Koji Kobayashi; Shoichi Yamaguchi; Deze Zeng; Song Guo 001; Junji Kitamichi; Takafumi Hayashi; Tsuneo Tsukahara (ICUIMC, 2014)

Optimum welch FFT segment size for duty cycle estimation in spectrum awareness system. - Hiroki Iwata; Kenta Umebayashi; Samuli Tiiro; Yasuo Suzuki; Janne J. Lehtomäki (WCNC Workshops, 2015)

A study on Welch FFT segment size selection method for spectrum awareness. - Hiroki Iwata; Kenta Umebayashi; Samuli Tiiro; Yasuo Suzuki; Janne J. Lehtomäki (WCNC Workshops, 2016)

Welch FFT Segment Size Selection Method for Spectrum Awareness System. - Hiroki Iwata; Kenta Umebayashi; Samuli Tiiro; Janne J. Lehtomäki; Miguel López-Benítez; Yasuo Suzuki (IEICE Trans. Commun., 2016)

Simple Primary User Signal Area Estimation for Spectrum Measurement. - Kenta Umebayashi; Kazuki Moriwaki; Riki Mizuchi; Hiroki Iwata; Samuli Tiiro; Janne J. Lehtomäki; Miguel López-Benítez; Yasuo Suzuki (IEICE Trans. Commun., 2016)

Study on simple signal area estimation for efficient spectrum measurements. - Kenta Umebayashi; Hiroki Iwata; Janne J. Lehtomäki; Miguel López-Benítez (EuCNC, 2017)

Welch FFT Segment Size Selection Method for FFT Based Wide Band Spectrum Measurement. - Hiroki Iwata; Kenta Umebayashi; Janne J. Lehtomäki; Shusuke Narieda (IEICE Trans. Commun., 2018)

Parameter Variation Insensitive Armature Temperature Estimation Method for SPMSM Servo System. - Hiroki Iwata; Kiyoshi Ohishi; Yuki Yokokura; Yuji Okada; Yuji Ide; Daigo Kuraishi; Akihiko Takahashi (ICIT, 2019)

Time and Frequency Varying Noise Floor Estimation for Spectrum Usage Measurement. - Hiroki Iwata; Kenta Umebayashi; Ahmed Al-Tahmeesschi; Miguel López-Benítez; Janne J. Lehtomäki (WCNC Workshops, 2019)

Applying Deep Neural Networks for Duty Cycle Estimation. - Ahmed Al-Tahmeesschi; Kenta Umebayashi; Hiroki Iwata; Miguel López-Benítez; Janne Lehtomäki (WCNC, 2020)

A Study on High-Efficiency Energy Detection-Based Spectrum Measurements. - Hiroki Iwata; Kenta Umebayashi; Ahmed Al-Tahmeesschi; Satya Krishna Joshi; Miguel López-Benítez; Janne J. Lehtomäki (WCNC Workshops, 2020)

Feature-Based Deep Neural Networks for Short-Term Prediction of WiFi Channel Occupancy Rate. - Ahmed Al-Tahmeesschi; Kenta Umebayashi; Hiroki Iwata; Janne Lehtomäki; Miguel López-Benítez (IEEE Access, 2021)

High-Efficiency FCME-Based Noise Power Estimation for Long-Term and Wide-Band Spectrum Measurements. - Hiroki Iwata; Kenta Umebayashi; Ahmed Al-Tahmeesschi; Janne Lehtomäki (IEEE Access, 2021)

Spectrum Occupancy Prediction based on adaptive Recurrent Neural Networks. - Kenta Umebayashi; Yoshiki Kasahara; Hiroki Iwata; Ahmed Al-Tahmeesschi; Johanna Vartiainen (WCNC, 2023)