Shoji Otaka

According to our database, Shoji Otaka authored at least 21 papers between 1996 and 2022.

Collaborative distances:

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

2022

Sub-GHz Two-Way Ranging Based on Phase Detection for Remote Keyless Entry Systems.

Ichiro Seto, Shoji Otaka, Hiroshi Yoshida, Katsuya Nonin, Masaki Nishikawa, Takayuki Kato, Yoshiharu Nito, Hideyuki Ishiwata, Tomoaki Ohtsuki

IEEE Trans. Veh. Technol., 2022

2020

Sub-GHz Phase-Based Ranging System: Implementation and Evaluation.

Masayoshi Oshiro, Shoji Otaka, Takayuki Kato, Katsuya Nonin, Masaki Nishikawa, Yoshiharu Nito, Hideyuki Ishiwata, Hiroshi Yoshida

Proceedings of the 91st IEEE Vehicular Technology Conference, 2020

2018

A 1024-QAM Capable WLAN Receiver with -56.3dB Image Rejection Ratio Using Self-Calibration Technique.

Shusuke Kawai, Toshiyuki Yamagishi, Yosuke Hagiwara, Shigehito Saigusa, Ichiro Seto, Shoji Otaka, Shuichi Ito

IEICE Trans. Electron., 2018

2017

A 1024-QAM capable WLAN receiver with -56.3 dB image rejection ratio using self-calibration technique.

Shusuke Kawai, Toshiyuki Yamagishi, Yosuke Hagiwara, Shigehito Saigusa, Ichiro Seto, Shoji Otaka, Shuichi Ito

Proceedings of the IEEE International Symposium on Circuits and Systems, 2017

2013

A 1.8GHz linear CMOS power amplifier with supply-path switching scheme for WCDMA/LTE applications.

Kohei Onizuka, Shigehito Saigusa, Shoji Otaka

Proceedings of the 2013 IEEE International Solid-State Circuits Conference, 2013

2012

A 1.9 GHz CMOS Power Amplifier With Embedded Linearizer to Compensate AM-PM Distortion.

Kohei Onizuka, Hiroaki Ishihara, Masahiro Hosoya, Shigehito Saigusa, Osamu Watanabe, Shoji Otaka

IEEE J. Solid State Circuits, 2012

A +30.5 dBm CMOS Doherty power amplifier with reliability enhancement technique.

Kohei Onizuka, Shigehito Saigusa, Shoji Otaka

Proceedings of the Symposium on VLSI Circuits, 2012

2011

A 1.5GHz-modulation-range 10ms-modulation-period 180kHzrms-frequency-error 26MHz-reference mixed-mode FMCW synthesizer for mm-wave radar application.

Hiroki Sakurai, Yuka Kobayashi, Toshiya Mitomo, Osamu Watanabe, Shoji Otaka

Proceedings of the IEEE International Solid-State Circuits Conference, 2011

A 1.9/2.4GHz dual band CMOS power amplifier with integrated AM-PM distortion canceller.

Kohei Onizuka, Hiroaki Ishihara, Masahiro Hosoya, Shigehito Saigusa, Osamu Watanabe, Shoji Otaka

Proceedings of the 2011 IEEE Custom Integrated Circuits Conference, 2011

2010

A 10-MHz Signal Bandwidth Cartesian Loop Transmitter Capable of Off-Chip PA Linearization.

Hiroaki Ishihara, Masahiro Hosoya, Shoji Otaka, Osamu Watanabe

IEEE J. Solid State Circuits, 2010

A 10MHz signal bandwidth Cartesian-loop transmitter capable of off-chip PA linearization.

Hiroaki Ishihara, Masahiro Hosoya, Shoji Otaka, Osamu Watanabe

Proceedings of the IEEE International Solid-State Circuits Conference, 2010

2008

0.13 μm CMOS Cartesian loop transmitter IC with fast calibration and switching scheme from opened to closed loop.

Shoji Otaka, Masahiro Hosoya, Hiroaki Ishihara, Toru Hashimoto, Yuta Araki

Proceedings of the ESSCIRC 2008, 2008

2007

ECO chip: Energy Consumption Zeroize Chip with a 953MHz High-Sensitivity Radio Wave Detector for Standby Mode Applications.

Toshiyuki Umeda, Shoji Otaka

Proceedings of the IEEE 2007 Custom Integrated Circuits Conference, 2007

2006

A 950-MHz rectifier circuit for sensor network tags with 10-m distance.

Toshiyuki Umeda, Hiroshi Yoshida, Shuichi Sekine, Yumi Fujita, Takuji Suzuki, Shoji Otaka

IEEE J. Solid State Circuits, 2006

2005

A Low LO Leakage and Low Power LO Buffer for Direct-Conversion Quadrature Demodulator.

Toshiya Mitomo, Osamu Watanabe, Shoji Otaka, Ryuichi Fujimoto, Shunji Kawaguchi

IEICE Trans. Electron., 2005

2004

A +10-dBm IIP₃ SiGe mixer with IM₃ cancellation technique.

Shoji Otaka, Mitsuyuki Ashida, Masato Ishii, Tetsuro Itakura

IEEE J. Solid State Circuits, 2004

2003

A 1-V 2-GHz CMOS Up-Converter Using Self-Switching Mixers.

Toshiyuki Umeda, Shoji Otaka, Kenji Kojima, Tetsuro Itakura

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003

2002

A 7-GHz 1.8-dB NF CMOS low-noise amplifier.

Ryuichi Fujimoto, Kenji Kojima, Shoji Otaka

IEEE J. Solid State Circuits, 2002

2000

A low-power low-noise accurate linear-in-dB variable-gain amplifier with 500-MHz bandwidth.

Shoji Otaka, Gaku Takemura, Hiroshi Tanimoto

IEEE J. Solid State Circuits, 2000

1997

A 1.9-GHz Si-bipolar variable attenuator for PHS transmitter.

Shoji Otaka, Hiroshi Tanimoto, Shuji Watanabe, Tadahiko Maeda

IEEE J. Solid State Circuits, 1997

1996

A low local input 1.9 GHz Si-bipolar quadrature modulator with no adjustment.

Shoji Otaka, Takafumi Yamaji, Ryuichi Fujimoto, Chikau Takahashi, Hiroshi Tanimoto

IEEE J. Solid State Circuits, 1996