Hiroki Iwata

According to our database, Hiroki Iwata authored at least 14 papers between 2014 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2023

Spectrum Occupancy Prediction based on adaptive Recurrent Neural Networks.

Kenta Umebayashi, Yoshiki Kasahara, Hiroki Iwata, Ahmed Al-Tahmeesschi, Johanna Vartiainen

Proceedings of the IEEE Wireless Communications and Networking Conference, 2023

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

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

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

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

Applying Deep Neural Networks for Duty Cycle Estimation.

Ahmed Al-Tahmeesschi, Kenta Umebayashi, Hiroki Iwata, Miguel López-Benítez, Janne Lehtomäki

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

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

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

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

Proceedings of the IEEE International Conference on Industrial Technology, 2019

2018

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

2017

Study on simple signal area estimation for efficient spectrum measurements.

Kenta Umebayashi, Hiroki Iwata, Janne J. Lehtomäki, Miguel López-Benítez

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

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

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

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

Hiroki Iwata, Kenta Umebayashi, Samuli Tiiro, Yasuo Suzuki, Janne J. Lehtomäki

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

2015

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

Hiroki Iwata, Kenta Umebayashi, Samuli Tiiro, Yasuo Suzuki, Janne J. Lehtomäki

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

2014

DASN: demand-addressable sensor network for active information acquisition.

Toshiaki Miyazaki, Hiroki Iwata, Koji Kobayashi, Shoichi Yamaguchi, Deze Zeng, Song Guo, Junji Kitamichi, Takafumi Hayashi, Tsuneo Tsukahara

Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication, 2014