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Motion artifact removal in R-R interval estimation of ECG signal for wearable biomedical sensors using adaptive filter and high pass filter , Yohei Arakawa and Tadao Nakagawa , 2023 International Conference on Emerging Technologies for Communications (ICETC 2023) Proc., Paper P2-29 , 2023.11 , There is Review , The Multiple Authorship , English
Blind compensation for IQ imbalance in wideband single-carrier MIMO systems in the presence of carrier frequency offset , Yuichiro Tamada, Yuta Ueno, Isana Tsubota, Naoto Sasaoka, and Tadao Nakagawa , 2022 International Conference on Emerging Technologies for Communications (ICETC 2022) Proc., Paper S4-7 , 2022.11 , There is Review , The Multiple Authorship , English
Transmission performance improvement using maximum likelihood decision and frequency domain equalization for multi-layer single-carrier optical wireless communications, , Hodaka Suzuki and Tadao Nakagawa , 2022 International Conference on Emerging Technologies for Communications (ICETC 2022) Proc., Paper S9-8 , 2022.11 , There is Review , The Multiple Authorship , English
Motion artifact removal in R-R interval estimation of ECG signal for wearable biomedical sensors using slope information and correlation matching , Kento Shibata, Daichi Nagai, and Tadao Nakagawa , 2021 International Conference on Emerging Technologies for Communications (ICETC 2021) Proc., P3-21 , 2021.12 , There is Review , The Multiple Authorship , English
Blind frequency-dependent in-phase/quadrature imbalance compensation with constant norm algorithm and cascaded structure , Naoto Sasaoka, Hiroki Inata, Tadao Nakagawa, Ryoto Hamabe, and Yoshio Itoh , IEICE Communications Express , vol.10 (5) (p.237 - 242) , 2021.05 , There is Review , The Multiple Authorship , English
Reducing motion artifacts for R-R interval estimation in wearable biomedical sensors using correlation coefficients , Shuhei Yamaguchi, Kento Shibata, and Tadao Nakagawa , 2020 International Conference on Emerging Technologies for Communications (ICETC 2020) Proc., O1-3 , 2020.12 , There is Review , The Multiple Authorship , English
A low-complexity high-accuracy AR based channel prediction method for interference alignment , Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , 2018 IEEE Global Communications Conference (GLOBECOM) Proc. (p.1 - 7) , 2018.12 , There is Review , The Multiple Authorship , English
Blind frequency-dependent IQ imbalance compensation using constant norm algorithm for OFDM systems , Tadao Nakagawa, Ryoto Hamabe, Doohwan Lee, and Takana Kaho , 2018 International Symposium on Multimedia and Communication Technology (ISMAC) Proc. (p.9 - 11) , 2018.08 , There is Review , The Multiple Authorship , English
Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications , Doohwan Lee,Hirofumi Sasaki,Hiroyuki Fukumoto,Ken Hiraga,Tadao Nakagawa , IEICE TRANSACTIONS ON COMMUNICATIONS , vol.E100B (7) (p.1044 - 1063) , 2017.07 , There is Review , The Simple Work , English
(Invited paper) Orbital angular momentum (OAM) multiplexing: an enabler of a new era of wireless communications , Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, and Tadao Nakagawa , IEICE Trans. Commun. , vol.E100-B (7) (p.1044 - 1063) , 2017.07 , There is Review , The Multiple Authorship , English
Joint interference alignment and power allocation for multi-user MIMO interference channels under perfect and imperfect CSI , Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , IEEE Trans. Green Commun. Netw. , vol.1 (2) (p.131 - 144) , 2017.06 , There is Review , The Multiple Authorship , English
Q-learning based superposed band detection in multicarrier transmission , Ali B,. Al-Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, and Tadao Nakagawa , 2017 IEEE International Conference on Communications (ICC) Proc. (p.1 - 6) , 2017.05 , There is Review , The Multiple Authorship , English
A study of transmisssion performance improvement of OFDM-based optical wireless communications , vol.116 (481) (p.13 - 16) , 2017.03 , There is No Review , The Multiple Authorship , Japanese
Q-learning based detection of superposed band in multi-carrier based transmission systems , Ali B, Al Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa , 電子情報通信学会技術研究報告, RCS2016-314 , vol.116 (479) (p.149 - 154) , 2017.03 , There is No Review , The Multiple Authorship , English
A Fenton Wilkinson approximation-based PPP model of cellular networks , He Zhuang, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa , 電子情報通信学会技術研究報告, RCS2016-315 , vol.116 (479) (p.155 - 160) , 2017.03 , There is No Review , The Multiple Authorship , English
Throughput enhancement for SATCOM systems using dynamic spectrum controlled channel allocation under variable propagation conditions , Katsuya Nakahira, Jun Mashino, Jun-ichi Abe, Daisuke Murayama, Tadao Nakagawa, and Takatoshi Sugiyama , IEICE Trans. Commun. , vol.E100-B (2) (p.390 - 399) , 2017.02 , There is Review , The Multiple Authorship , English
A frequency synchronization method for multiple access in direct spectrum division transmission , Jun-ichi Abe and Tadao Nakagawa , 2016 IEEE Global Communications Conference (GLOBECOM) Proc. (p.1 - 6) , 2016.12 , There is Review , The Multiple Authorship , English
Performance evaluation of wireless communications using orbital angular momentum multiplexing , Doohwan Lee, Theerat Sakdejayont, Hirofumi Sasaki, Hiroyuki Fukumoto, and Tadao Nakagawa , 2016 International Symposium on Antennas and Propagation (ISAP) Proc. (p.280 - 281) , 2016.10 , There is Review , The Multiple Authorship , English
Beam divergence reduction using dielectric lens for orbital angular momentum wireless communications , Hiroyuki Fukumoto, Hirofumi Sasaki, Doohwan Lee, and Tadao Nakagawa , 2016 International Symposium on Antennas and Propagation (ISAP) Proc. (p.680 - 681) , 2016.10 , There is Review , The Multiple Authorship , English
Channel prediction for massive MIMO with channel compression based on principal component analysis , Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, and Tadao Nakagawa , 2016 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2016) Proc. (p.1 - 6) , 2016.09 , There is Review , The Multiple Authorship , English