Shouhei Kousai

36 papers Journal 14Unranked 22
YearRankTypeTitle / Venue / Authors
2017 J jnl
A Compact Broadband Mixed-Signal Power Amplifier in Bulk CMOS With Hybrid Class-G and Dynamic Load Trajectory Manipulation.
IEEE J. Solid State Circuits
Song Hu, Shouhei Kousai, Hua Wang
2017 J jnl
A Neuromorphic Chip Optimized for Deep Learning and CMOS Technology With Time-Domain Analog and Digital Mixed-Signal Processing.
IEEE J. Solid State Circuits
Daisuke Miyashita, Shouhei Kousai, Tomoya Suzuki, Jun Deguchi
2016 J jnl
A Broadband Mixed-Signal CMOS Power Amplifier With a Hybrid Class-G Doherty Efficiency Enhancement Technique.
IEEE J. Solid State Circuits
Song Hu, Shouhei Kousai, Hua Wang
2016 — conf
Time-domain neural network: A 48.5 TSOp/s/W neuromorphic chip optimized for deep learning and CMOS technology.
A-SSCC
Daisuke Miyashita, Shouhei Kousai, Tomoya Suzuki, Jun Deguchi
2015 — conf
2.8 A broadband CMOS digital power amplifier with hybrid Class-G Doherty efficiency enhancement.
ISSCC
Song Hu, Shouhei Kousai, Hua Wang
2015 J jnl
Design of A Transformer-Based Reconfigurable Digital Polar Doherty Power Amplifier Fully Integrated in Bulk CMOS.
IEEE J. Solid State Circuits
Song Hu, Shouhei Kousai, Jong Seok Park, Outmane Lemtiri Chlieh, Hua Wang
2015 — conf
F5: Advanced RF CMOS transmitter techniques.
ISSCC
Piet Wambacq, Stefano Pellerano, Sven Mattisson, Shouhei Kousai, Ali Afsahi, Taizo Yamawaki
2014 — conf
19.3 66.3KIOPS-random-read 690MB/s-sequential-read universal Flash storage device controller with unified memory extension.
ISSCC
Konosuke Watanabe, Kenichiro Yoshii, Nobuhiro Kondo, Ken-ichi Maeda, Toshio Fujisawa, Junji Wadatsumi, Daisuke Miyashita, Shouhei Kousai, Yasuo Unekawa, Shinsuke Fujii, Takuma Aoyama, Takayuki Tamura, Atsushi Kunimatsu, Yukihito Oowaki
2014 — conf
3.1 polar antenna impedance detection and tuning for efficiency improvement in a 3G/4G CMOS Power Amplifier.
ISSCC
Shouhei Kousai, Kohei Onizuka, Takashi Yamaguchi, Yasuhiko Kuriyama, Masami Nagaoka
2014 — conf
A 1.4Mpixel CMOS image sensor with multiple row-rescan based data sampling for optical camera communication.
A-SSCC
Jun Deguchi, Toshiyuki Yamagishi, Hideaki Majima, Nau Ozaki, Kazuhiro Hiwada, Makoto Morimoto, Tatsuji Ashitani, Shouhei Kousai
2014 — conf
A 2.9mW, +/- 85ppm accuracy reference clock generator based on RC oscillator with on-chip temperature calibration.
VLSIC
Yuji Satoh, Hiroyuki Kobayashi, Takeshi Miyaba, Shouhei Kousai
2014 — conf
A new wave of CMOS power amplifier innovations: Fusing digital and analog techniques with large signal RF operations.
CICC
Shouhei Kousai, Kohei Onizuka, Song Hu, Hua Wang, Ali Hajimiri
2014 J jnl
An LDPC Decoder With Time-Domain Analog and Digital Mixed-Signal Processing.
IEEE J. Solid State Circuits
Daisuke Miyashita, Ryo Yamaki, Kazunori Hashiyoshi, Hiroyuki Kobayashi, Shouhei Kousai, Yukihito Oowaki, Yasuo Unekawa
2014 J jnl
Polar Antenna Impedance Detection and Tuning for Efficiency Improvement in a 3G/4G CMOS Power Amplifier.
IEEE J. Solid State Circuits
Shouhei Kousai, Kohei Onizuka, Junji Wadatsumi, Takashi Yamaguchi, Yasuhiko Kuriyama, Masami Nagaoka
2014 J jnl
Recent progress in CMOS RF circuit design.
IEICE Electron. Express
Shouhei Kousai
2013 — conf
A 10.4pJ/b (32, 8) LDPC decoder with time-domain analog and digital mixed-signal processing.
ISSCC
Daisuke Miyashita, Ryo Yamaki, Kazunori Hashiyoshi, Hiroyuki Kobayashi, Shouhei Kousai, Yukihito Oowaki, Yasuo Unekawa
2013 — conf
A 187.5µVrms-read-noise 51mW 1.4Mpixel CMOS image sensor with PMOSCAP column CDS and 10b self-differential offset-cancelled pipeline SAR-ADC.
ISSCC
Jun Deguchi, Fumihiko Tachibana, Makoto Morimoto, Masayoshi Chiba, Takeshi Miyaba, Hideki Tanaka, Kyoichi Takenaka, Satoshi Funayama, Kunihiko Amano, Kazuhide Sugiura, Ryuta Okamoto, Shouhei Kousai
2013 — conf
A fully differential ultra-compact broadband transformer based quadrature generation scheme.
CICC
Jong Seok Park, Shouhei Kousai, Hua Wang
2013 — conf
A supply-noise-rejection technique in ADPLL with noise-cancelling current source.
ESSCIRC
Yusuke Niki, Daisuke Miyashita, Hiroyuki Kobayashi, Shouhei Kousai
2013 — conf
Session 25 overview: Energy-efficient wireless.
ISSCC
Shouhei Kousai, Gangadhar Burra
2012 J jnl
A 28.3 mW PA-Closed Loop for Linearity and Efficiency Improvement Integrated in a + 27.1 dBm WCDMA CMOS Power Amplifier.
IEEE J. Solid State Circuits
Shouhei Kousai, Kohei Onizuka, Takashi Yamaguchi, Yasuhiko Kuriyama, Masami Nagaoka
2012 — conf
A 28.3mW PA-closed loop for linearity and efficiency improvement integrated in a +27.1dBm WCDMA CMOS power amplifier.
ISSCC
Shouhei Kousai, Kohei Onizuka, Takashi Yamaguchi, Yasuhiko Kuriyama, Masami Nagaoka
2012 J jnl
A-104 dBc/Hz In-Band Phase Noise 3 GHz All Digital PLL with Phase Interpolation Based Hierarchical Time to Digital Converter.
IEICE Trans. Electron.
Daisuke Miyashita, Hiroyuki Kobayashi, Jun Deguchi, Shouhei Kousai, Mototsugu Hamada, Ryuichi Fujimoto
2012 — conf
Session 9 overview: Wireless transceiver techniques: Wireless subcommittee.
ISSCC
Sven Mattisson, Shouhei Kousai
2011 J jnl
A Low-Noise and Highly-Linear Transmitter with Envelope Injection Pre-Power Amplifier for Multi-Mode Radio.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shouhei Kousai, Daisuke Miyashita, Junji Wadatsumi, Rui Ito, Takahiro Sekiguchi, Mototsugu Hamada, Kenichi Okada
2011 — conf
An all-digital 8-DPSK polar transmitter with second-order approximation scheme and phase rotation-constant digital PA for bluetooth EDR in 65nm CMOS.
ISSCC
Hiroyuki Kobayashi, Shouhei Kousai, Yoshiaki Yoshihara, Mototsugu Hamada
2009 J jnl
A Novel Automatic Quality Factor Tuning Scheme for a Low-Power Wideband Active-RC Filter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Shouhei Kousai, Mototsugu Hamada, Rui Ito, Tetsuro Itakura
2009 J jnl
An Octave-Range, Watt-Level, Fully-Integrated CMOS Switching Power Mixer Array for Linearization and Back-Off-Efficiency Improvement.
IEEE J. Solid State Circuits
Shouhei Kousai, Ali Hajimiri
2009 — conf
An octave-range watt-level fully integrated CMOS switching power mixer array for linearization and back-off efficiency improvement.
ISSCC
Shouhei Kousai, Ali Hajimiri
2008 — conf
A 1.2V 0.2-to-6.3GHz Transceiver with Less Than -29.5dB EVM@-3dBm and a Choke/Coil-Less Pre-Power Amplifier.
ISSCC
Shouhei Kousai, Daisuke Miyashita, Junji Wadatsumi, Asuka Maki, Takahiro Sekiguchi, Rui Ito, Mototsugu Hamada
2007 J jnl
A 19.7 MHz, Fifth-Order Active-RCChebyshev LPF for Draft IEEE802.11n With Automatic Quality-Factor Tuning Scheme.
IEEE J. Solid State Circuits
Shouhei Kousai, Mototsugu Hamada, Rui Ito, Tetsuro Itakura
2007 — conf
A novel quality factor tuning scheme for active-RC filters.
ESSCIRC
Shouhei Kousai, Mototsugu Hamada, Rui Ito, Tetsuro Itakura
2005 J jnl
A 2.4-GHz Temperature-Compensated CMOS LC-VCO for Low Frequency Drift Low-Power Direct-Modulation GFSK Transmitters.
IEICE Trans. Electron.
Toru Tanzawa, Kenichi Agawa, Hiroyuki Shibayama, Ryota Terauchi, Katsumi Hisano, Hiroki Ishikuro, Shouhei Kousai, Hiroyuki Kobayashi, Hideaki Majima, Toru Takayama, Masayuki Koizumi, Fumitoshi Hatori
2005 — conf
A phase noise minimization of CMOS VCOs over wide tuning range and large PVT variations.
CICC
Daisuke Miyashita, Hiroki Ishikuro, Shouhei Kousai, Hiroyuki Kobayashi, Hideaki Majima, Kenichi Agawa, Mototsugu Hamada
2004 — conf
A temperature-compensated CMOS LC-VCO enabling the direct modulation architecture in 2.4GHz GFSK transmitter.
CICC
Toru Tanzawa, Hiroyuki Shibayama, Ryota Terauchi, Katsumi Hisano, Hiroki Ishikuro, Shouhei Kousai, Hiroyuki Kobayashi, Hideaki Majima, Toru Takayama, Kenichi Agawa, Masayuki Koizumi, Fumitoshi Hatori
2001 — conf
Shared data line technique for doubling the data transfer rate per pin of differential interfaces.
CICC
Fumitoshi Hatori, Shouhei Kousai, Yasuo Unekawa