Tadao Nakagawa

According to our database, Tadao Nakagawa authored at least 30 papers between 1997 and 2018.

Collaborative distances:

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

2018

A Low-Complexity High-Accuracy AR Based Channel Prediction Method for Interference Alignment.

Masayoshi Ozawa, Tomoaki Ohtsuki, Fereidoun H. Panahi, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa

Proceedings of the IEEE Global Communications Conference, 2018

2017

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, Tadao Nakagawa

IEEE Trans. Green Commun. Netw., 2017

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, Takatoshi Sugiyama

IEICE Trans. Commun., 2017

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 Trans. Commun., 2017

Q-learning based superposed band detection in multicarrier transmission.

Ali Shaikh, Fereidoun H. Panahi, Tomoaki Ohtsuki, Kouhei Suzaki, Hirofumi Sasaki, Hideya So, Tadao Nakagawa

Proceedings of the IEEE International Conference on Communications, 2017

2016

Wide-Range and Fast-Tracking Non-Data-Aided Frequency Offset Estimator for QAM Optical Coherent Receivers.

Tadao Nakagawa, Takayuki Kobayashi, Koichi Ishihara, Yutaka Miyamoto

IEICE Trans. Commun., 2016

Orthogonalized Directional MIMO Transmission Using Higher Order Mode Microstrip Antennas.

Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Hideki Toshinaga, Tadao Nakagawa

IEICE Trans. Commun., 2016

Alignment Tolerance in Multiple-Stream Transmission Using Orthogonal Directivities under Line-of-Sight Environments.

Maki Arai, Tomohiro Seki, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa

IEICE Trans. Commun., 2016

Channel prediction for massive MIMO with channel compression based on principal component analysis.

Rei Nagashima, Tomoaki Ohtsuki, Wenjie Jiang, Yasushi Takatori, Tadao Nakagawa

Proceedings of the 27th IEEE Annual International Symposium on Personal, 2016

A Frequency Synchronization Method for Multiple Access in Direct Spectrum Division Transmission.

Jun-ichi Abe, Tadao Nakagawa

Proceedings of the 2016 IEEE Global Communications Conference, 2016

2015

A Novel ZF-Based Fast Beamforming Method for Short-Range MIMO Transmission.

Kazumitsu Sakamoto, Maki Arai, Ken Hiraga, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa

IEEE Wirel. Commun. Lett., 2015

Concurrent Multi-Band Mixer with Independent and Linear Gain Control.

Takana Kaho, Yo Yamaguchi, Hiroyuki Shiba, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki

IEICE Trans. Electron., 2015

Experimental Validation of Digital Pre-distortion Technique for Dual-band Dual-signal Amplification by Single Feedback Architecture Employing Dual-band Mixer.

Ikuma Ando, Gia Khanh Tran, Kiyomichi Araki, Takayuki Yamada, Takana Kaho, Yo Yamaguchi, Tadao Nakagawa

IEICE Trans. Electron., 2015

A Practical channel modeling method for few-mode optical fiber communication systems.

Doohwan Lee, Kohki Shibahara, Tadao Nakagawa, Yutaka Miyamoto, Chitradeep Majumdar

Proceedings of the 21st Asia-Pacific Conference on Communications, 2015

2014

A Study of Short-Range MIMO Transmission Utilizing Polarization Multiplexing for the Simplification of Decoding.

Ken Hiraga, Kazumitsu Sakamoto, Kentaro Nishimori, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2014

Spatial Division Transmission without Signal Processing for MIMO Detection Utilizing Two-Ray Fading.

Ken Hiraga, Kazumitsu Sakamoto, Maki Arai, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2014

Performance measurement of broadband simple decoding in short-range MIMO.

Ken Hiraga, Kazumitsu Sakamoto, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa

Proceedings of the 25th IEEE Annual International Symposium on Personal, 2014

2013

Performance Evaluation of Short-Range MIMO Using a Method for Controlling Phase Difference between Each Propagation Channel.

Kazumitsu Sakamoto, Ken Hiraga, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara

IEICE Trans. Commun., 2013

2011

A Band-Divided Receiver Prototype for Wideband Optical Signals.

Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto

IEICE Trans. Commun., 2011

Blind frequency-dependent IQ imbalance compensation scheme using CMA for OFDM system.

Munehiro Matsui, Tadao Nakagawa, Riichi Kudo, Koichi Ishihara, Masato Mizoguchi

Proceedings of the IEEE 22nd International Symposium on Personal, 2011

2010

An Analysis of Multi-Layer Inductors for Miniaturizing of GaAs MMIC.

Yo Yamaguchi, Takana Kaho, Motoharu Sasaki, Kenjiro Nishikawa, Tomohiro Seki, Tadao Nakagawa, Kazuhiro Uehara, Kiyomichi Araki

IEICE Trans. Electron., 2010

Intermodal group velocity dispersion of few-mode fiber.

Hirokazu Kubota, Hidehito Takara, Tadao Nakagawa, Munehiro Matsui, Toshio Morioka

IEICE Electron. Express, 2010

2007

A Miniaturized In-Phase Power Divider with a DC Block Function.

Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

Miniaturized Broadband Lumped-Element In-Phase Power Dividers.

Hitoshi Hayashi, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

An Active Terminal Circuit and Its Application to a Distributed Amplifier.

Hitoshi Hayashi, Munenari Kawashima, Tadao Nakagawa, Kazuhiro Uehara, Yoshihiro Takigawa

IEICE Trans. Electron., 2007

2006

A Novel Adaptive Linearization Technique for a Balanced-Amplifier Array.

Takana Kaho, Yo Yamaguchi, Tadao Nakagawa, Katsuhiko Araki, Kiyomichi Araki

IEICE Trans. Electron., 2006

2004

Compensation technique for impairments of wideband quadrature demodulators for direct conversion receivers.

Munehiro Matsui, Tadao Nakagawa, Kiyoshi Kobayashi, Katsuhiko Araki

Proceedings of the IEEE 15th International Symposium on Personal, 2004

1998

Sampling phase detector using a resonant tunneling high electron mobility transistor for microwave phase-locked oscillators.

Hiroshi Okazaki, Tadao Nakagawa, Masahiro Muraguchi, Hiroyuki Fukuyama, Koichi Maezawa, Masafumi Yamamoto

IEEE Trans. Very Large Scale Integr. Syst., 1998

Authors' Reply.

Tadao Nakagawa, Hideyuki Nosaka

IEEE J. Solid State Circuits, 1998

1997

A direct digital synthesizer with interpolation circuits.

Tadao Nakagawa, Hideyuki Nosaka

IEEE J. Solid State Circuits, 1997