A Widely-Tunable, Reconfigurable CMOS Analog Baseband IC for Software-Defined Radio. - Masaki Kitsunezuka; Shinichi Hori; Tadashi Maeda (IEEE J. Solid State Circuits, 2009)

A 2.1-to-2.8GHz all-digital frequency synthesizer with a time-windowed TDC. - Takashi Tokairin; Mitsuji Okada; Masaki Kitsunezuka; Tadashi Maeda; Muneo Fukaishi (ISSCC, 2010)

A 2.1-to-2.8-GHz Low-Phase-Noise All-Digital Frequency Synthesizer With a Time-Windowed Time-to-Digital Converter. - Takashi Tokairin; Mitsuji Okada; Masaki Kitsunezuka; Tadashi Maeda; Muneo Fukaishi (IEEE J. Solid State Circuits, 2010)

A Low-IF/Zero-IF Reconfigurable Analog Baseband IC With an I/Q Imbalance Cancellation Scheme. - Masaki Kitsunezuka; Takashi Tokairin; Tadashi Maeda; Muneo Fukaishi (IEEE J. Solid State Circuits, 2011)

A 30-MHz-2.4-GHz CMOS Receiver With Integrated RF Filter and Dynamic-Range-Scalable Energy Detector for Cognitive Radio Systems. - Masaki Kitsunezuka; Hiroshi Kodama; Naoki Oshima; Kazuaki Kunihiro; Tadashi Maeda; Muneo Fukaishi (IEEE J. Solid State Circuits, 2012)

Efficient spectrum utilization: Cognitive radio approach. - Masaki Kitsunezuka; Kazuaki Kunihiro (RWS, 2013)

Cross-Correlation-Based, Phase-Domain Spectrum Sensing With Low-Cost Software-Defined Radio Receivers. - Masaki Kitsunezuka; Kristofer S. J. Pister (IEEE Trans. Signal Process., 2015)

Learning-Based Distributed Radio-Environment Observation for Dynamic Spectrum Sharing. - Masaki Kitsunezuka; Kenta Tsukamoto; Naoki Oshima; Keiichi Motoi; Kazuaki Kunihiro (GLOBECOM, 2017)

Highly accurate radio environment mapping method based on transmitter localization and spatial interpolation in urban LoS/NLoS scenario. - Kenta Tsukamoto; Masaki Kitsunezuka; Kazuaki Kunihiro (WiSNet, 2018)

Noise-Tolerant, Deep-Learning-Based Radio Identification with Logarithmic Power Spectrum. - Taichi Ohtsuji; Toshiki Takeuchi; Tatsuya Soma; Masaki Kitsunezuka (ICC, 2019)

Learning-Based, Distributed Spectrum Observation System for Dynamic Spectrum Sharing in the 5G Era and Beyond. - Masaki Kitsunezuka; Kenta Tsukamoto; Jun Sakai; Taichi Ohtsuji; Kazuaki Kunihiro (IEICE Trans. Commun., 2019)