Tadao Nakagawa

30 papers B 6C 1Journal 22Unranked 1
YearRankTypeTitle / Venue / Authors
2018 B conf
A Low-Complexity High-Accuracy AR Based Channel Prediction Method for Interference Alignment.
GLOBECOM
Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2017 J jnl
Joint Interference Alignment and Power Allocation for Multi-User MIMO Interference Channels Under Perfect and Imperfect CSI.
IEEE Trans. Green Commun. Netw.
Fereidoun H. Panahi, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2017 J jnl
Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications.
IEICE Trans. Commun.
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Ken Hiraga, Tadao Nakagawa
2017 — conf
Q-learning based superposed band detection in multicarrier transmission.
ICC
Ali Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa
2017 J jnl
Throughput Enhancement for SATCOM Systems Using Dynamic Spectrum Controlled Channel Allocation under Variable Propagation Conditions.
IEICE Trans. Commun.
Katsuya Nakahira, Jun Mashino, Jun-ichi Abe, Daisuke Murayama, Tadao Nakagawa, Takatoshi Sugiyama
2016 B conf
A Frequency Synchronization Method for Multiple Access in Direct Spectrum Division Transmission.
GLOBECOM
Jun-ichi Abe, Tadao Nakagawa
2016 J jnl
Alignment Tolerance in Multiple-Stream Transmission Using Orthogonal Directivities under Line-of-Sight Environments.
IEICE Trans. Commun.
Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa
2016 B conf
Channel prediction for massive MIMO with channel compression based on principal component analysis.
PIMRC
Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa
2016 J jnl
Orthogonalized Directional MIMO Transmission Using Higher Order Mode Microstrip Antennas.
IEICE Trans. Commun.
Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, Tadao Nakagawa
2016 J jnl
Wide-Range and Fast-Tracking Non-Data-Aided Frequency Offset Estimator for QAM Optical Coherent Receivers.
IEICE Trans. Commun.
Tadao Nakagawa, Takayuki Kobayashi, Koichi Ishihara, Yutaka Miyamoto
2015 J jnl
A Novel ZF-Based Fast Beamforming Method for Short-Range MIMO Transmission.
IEEE Wirel. Commun. Lett.
Kazumitsu Sakamoto, Maki Arai, Ken Hiraga, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa
2015 C conf
A Practical channel modeling method for few-mode optical fiber communication systems.
APCC
Doohwan Lee, Kohki Shibahara, Tadao Nakagawa, Yutaka Miyamoto, Chitradeep Majumdar
2015 J jnl
Concurrent Multi-Band Mixer with Independent and Linear Gain Control.
IEICE Trans. Electron.
Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki
2015 J jnl
Experimental Validation of Digital Pre-distortion Technique for Dual-band Dual-signal Amplification by Single Feedback Architecture Employing Dual-band Mixer.
IEICE Trans. Electron.
Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Tadao Nakagawa
2014 J jnl
A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2014 B conf
Performance measurement of broadband simple decoding in short-range MIMO.
PIMRC
Ken Hiraga, Kazumitsu Sakamoto, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa
2014 J jnl
Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading.
IEICE Trans. Commun.
Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2013 J jnl
Performance Evaluation of Short-Range MIMO Using a Method for Controlling Phase Difference between Each Propagation Channel.
IEICE Trans. Commun.
Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara
2011 J jnl
A Band-Divided Receiver Prototype for Wideband Optical Signals.
IEICE Trans. Commun.
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto
2011 B conf
Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system.
PIMRC
Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi
2010 J jnl
An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC.
IEICE Trans. Electron.
Yo Yamaguchi, Takana Kaho, Motoharu Sasaki, Kenjiro Nishikawa, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki
2010 J jnl
Intermodal group velocity dispersion of few-mode fiber.
IEICE Electron. Express
Hirokazu Kubota, Hidehito Takara, Tadao Nakagawa, Munehiro Matsui, Toshio Morioka
2007 J jnl
A Miniaturized In-Phase Power Divider with a DC Block Function.
IEICE Trans. Electron.
Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2007 J jnl
An Active Terminal Circuit and Its Application to a Distributed Amplifier.
IEICE Trans. Electron.
Hitoshi Hayashi, Munenari Kawashima, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2007 J jnl
Miniaturized Broadband Lumped-Element In-Phase Power Dividers.
IEICE Trans. Electron.
Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa
2006 J jnl
A Novel Adaptive Linearization Technique for a Balanced-Amplifier Array.
IEICE Trans. Electron.
Takana Kaho, Yo Yamaguchi, Tadao Nakagawa, Katsuhiko Araki, Kiyomichi Araki
2004 B conf
Compensation technique for impairments of wideband quadrature demodulators for direct conversion receivers.
PIMRC
Munehiro Matsui, Tadao Nakagawa, Kiyoshi Kobayashi, Katsuhiko Araki
1998 J jnl
Authors' Reply.
IEEE J. Solid State Circuits
Tadao Nakagawa, Hideyuki Nosaka
1998 J jnl
Sampling phase detector using a resonant tunneling high electron mobility transistor for microwave phase-locked oscillators.
IEEE Trans. Very Large Scale Integr. Syst.
Hiroshi Okazaki, Tadao Nakagawa, Masahiro Muraguchi, Hiroyuki Fukuyama, Koichi Maezawa, Masafumi Yamamoto
1997 J jnl
A direct digital synthesizer with interpolation circuits.
IEEE J. Solid State Circuits
Tadao Nakagawa, Hideyuki Nosaka