IEICE Trans

Kenichi OKADA

An 8.5-dB Insertion Loss and 0.8° RMS Phase Error Ka-Band CMOS Hybrid Phase Shifter Featuring Nonuniform Matching for Satellite Communication Xi FU Yun WANG Xiaolin WANG Xiaofan GU Xueting LUO Zheng LI Jian PANG Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2022/10/01 Vol. E105-C No. 10 pp. 552-560 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies) Category: Keyword: phase shifter, switch-type phase shifter, reflective-type phase shifter, Ka-band, 29GHz, phased-array, millimeter-wave, CMOS,
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A 0.37mm² Fully-Integrated Wide Dynamic Range Sub-GHz Receiver Front-End without Off-Chip Matching Components Yuncheng ZHANG Bangan LIU Teruki SOMEYA Rui WU Junjun QIU Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2022/07/01 Vol. E105-C No. 7 pp. 334-342 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology) Category: Keyword: receiver, area-efficient, impedance matching, dynamic range, mixer-first, low-power, wireless, Sub-GHz, IoT, 5G, CMOS,
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Performance Evaluation of Classification and Verification with Quadrant IQ Transition Image Hiro TAMURA Kiyoshi YANAGISAWA Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2022/05/01 Vol. E105-B No. 5 pp. 580-587 Type of Manuscript: PAPER Category: Network Management/Operation Keyword: identification, machine learning, neural network, convolutional neural network, Zigbee, IQ modulation, offset quadrature phase-shift-keying, internet of things, wireless communication, wireless security, classification, verification,
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A Compact and High-Resolution CMOS Switch-Type Phase Shifter Achieving 0.4-dB RMS Gain Error for 5G n260 Band Jian PANG Xueting LUO Zheng LI Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2022/03/01 Vol. E105-C No. 3 pp. 102-109 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: 5th generation mobile network (5G), n260 band, swith-type phase shifter, 39 GHz, CMOS, phased-array,
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F-band Frequency Multipliers with Fundamental and Harmonic Rejection for Improved Conversion Gain and Output Power Ibrahim ABDO Korkut Kaan TOKGOZ Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2022/03/01 Vol. E105-C No. 3 pp. 118-125 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: F-band, 100GHz, frequency multiplier, push-push doubler, frequency tripler,
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A CMOS SPDT RF Switch with 68dB Isolation and 1.0dB Loss Feathering Switched Resonance Network for MIMO Applications Xi FU Yun WANG Zheng LI Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2021/07/01 Vol. E104-C No. 7 pp. 280-288 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology) Category: Keyword: Ku-band, high-isolation, switched resonance network, SPDT, RF switches, millimeter-wave, CMOS, MIMO,
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A Low-Jitter Injection-Locked Clock Multiplier Using 97-µW Transformer-Based VCO with 18-kHz Flicker Noise Corner Zheng SUN Hanli LIU Dingxin XU Hongye HUANG Bangan LIU Zheng LI Jian PANG Teruki SOMEYA Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2021/07/01 Vol. E104-C No. 7 pp. 289-299 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology) Category: Keyword: injection lock, frequency multiplier, IoT, ultra-low power, VCO, transformer, FoM, flicker noise, CMOS,
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A Compact TF-Based LC-VCO with Ultra-Low-Power Operation and Supply Pushing Reduction for IoT Applications Zheng SUN Dingxin XU Hongye HUANG Zheng LI Hanli LIU Bangan LIU Jian PANG Teruki SOMEYA Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2020/10/01 Vol. E103-C No. 10 pp. 505-513 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies) Category: Electronic Circuits Keyword: on-chip, transformer, PGS, ultra-low-power, LC-VCO, supply pushing, K_VDD, phase-noise, FoM, area, IoT,
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A 28-GHz CMOS Vector-Summing Phase Shifter Featuring I/Q Imbalance Calibration Supporting 11.2Gb/s in 256QAM for 5G New Radio Jian PANG Ryo KUBOZOE Zheng LI Masaru KAWABUCHI Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2020/02/01 Vol. E103-C No. 2 pp. 39-47 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: 28-GHz, 5G new radio, phase shifter, vector-summing, EVM, RMS phase error, RMS gain error,
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Type-I Digital Ring-Based PLL Using Loop Delay Compensation and ADC-Based Sampling Phase Detector Zule XU Anugerah FIRDAUZI Masaya MIYAHARA Kenichi OKADA Akira MATSUZAWA
Publication: Publication Date: 2019/07/01 Vol. E102-C No. 7 pp. 520-529 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies) Category: Keyword: type-I, digital phase-locked loop, ring-based PLL,
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A Pulse-Tail-Feedback LC-VCO with 700Hz Flicker Noise Corner and -195dBc FoM Aravind Tharayil NARAYANAN Kenichi OKADA
Publication: Publication Date: 2019/07/01 Vol. E102-C No. 7 pp. 595-606 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: oscillator, LC-VCO, PLL, flicker noise, pulse VCO, phase noise, tail feedback,
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A Power-Efficient Pulse-VCO for Chip-Scale Atomic Clock Haosheng ZHANG Aravind THARAYIL NARAYANAN Hans HERDIAN Bangan LIU Rui WU Atsushi SHIRANE Kenichi OKADA
Publication: Publication Date: 2019/04/01 Vol. E102-C No. 4 pp. 276-286 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology) Category: Keyword: VCO, chip-scale atomic clock (CSAC), power efficiency, phase noise, tank loading, tail filter,
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FOREWORD Kenichi OKADA
Publication: Publication Date: 2018/07/01 Vol. E101-C No. 7 pp. 430-431 Type of Manuscript: FOREWORD Category: Keyword:
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A 28-GHz Fractional-N Frequency Synthesizer with Reference and Frequency Doublers for 5G Mobile Communications in 65nm CMOS Hanli LIU Teerachot SIRIBURANON Kengo NAKATA Wei DENG Ju Ho SON Dae Young LEE Kenichi OKADA Akira MATSUZAWA
Publication: Publication Date: 2018/04/01 Vol. E101-C No. 4 pp. 187-196 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design — Architecture, Circuit, Device and Design Methodology) Category: Keyword: 5G communications, CMOS, 28GHz, fractional-N frequency synthesizer, phase noise, spur,
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A Low-Power Pulse-Shaped Duobinary ASK Modulator for IEEE 802.11ad Compliant 60GHz Transmitter in 65nm CMOS Bangan LIU Yun WANG Jian PANG Haosheng ZHANG Dongsheng YANG Aravind Tharayil NARAYANAN Dae Young LEE Sung Tae CHOI Rui WU Kenichi OKADA Akira MATSUZAWA
Publication: Publication Date: 2018/02/01 Vol. E101-C No. 2 pp. 126-134 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: 60-GHz, 5G communication, spectrum mask compliant, duobinary, semi-digital FIR,
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A 20-GHz Differential Push-Push VCO for 60-GHz Frequency Synthesizer toward 256 QAM Wireless Transmission in 65-nm CMOS Yun WANG Makihiko KATSURAGI Kenichi OKADA Akira MATSUZAWA
Publication: Publication Date: 2017/06/01 Vol. E100-C No. 6 pp. 568-575 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies) Category: Keyword: CMOS, push-push VCO, injection locking oscillator, low phase noise, 256 QAM transceiver,
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Analysis of Effective Material Properties of Metal Dummy Fills in a CMOS Chip Takuichi HIRANO Ning LI Kenichi OKADA
Publication: Publication Date: 2017/05/01 Vol. E100-B No. 5 pp. 793-798 Type of Manuscript: PAPER Category: Antennas and Propagation Keyword: dummy metal fills, CMOS, effective material property, permittivity, permeability, millimeter-wave,
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A Fully-Synthesizable 10.06Gbps 16.1mW Injection-Locked CDR in 28nm FDSOI Aravind THARAYIL NARAYANAN Wei DENG Dongsheng YANG Rui WU Kenichi OKADA Akira MATSUZAWA
Publication: Publication Date: 2017/03/01 Vol. E100-C No. 3 pp. 259-267 Type of Manuscript: Special Section PAPER (Special Section on Low-Power and High-Speed Chips) Category: Keyword: fully-synthesizable, all-digital, clock data recovery, injection locking, phase-filtering,
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Synthesis and Automatic Layout of Resistive Digital-to-Analog Converter Based on Mixed-Signal Slice Cell Mitsutoshi SUGAWARA Kenji MORI Zule XU Masaya MIYAHARA Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/12/01 Vol. E99-A No. 12 pp. 2435-2443 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Keyword: analog synthesis, RDAC, slice-based layout, SKILL language,
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A 0.0055mm² 480µW Fully Synthesizable PLL Using Stochastic TDC in 28nm FDSOI Dongsheng YANG Tomohiro UENO Wei DENG Yuki TERASHIMA Kengo NAKATA Aravind Tharayil NARAYANAN Rui WU Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2016/06/01 Vol. E99-C No. 6 pp. 632-640 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: AD-PLL, synthesizable, stochastic TDC, standard cell, automatic place-and-route,
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An AM-PM Noise Mitigation Technique in Class-C VCO Kento KIMURA Aravind THARAYIL NARAYANAN Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/12/01 Vol. E98-C No. 12 pp. 1161-1170 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: VCO, Class-C, AM-PM conversion, parasitic capacitance, cross coupled pair, noise sensitivity,
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Digitally Assisted Analog and RF Circuits Kenichi OKADA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/06/01 Vol. E98-C No. 6 pp. 461-470 Type of Manuscript: INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: CMOS, wireless, reconfigurable, RF, analog, Digital assistance,
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A Constant-Current-Controlled Class-C Voltage-Controlled Oscillator using Self-Adjusting Replica Bias Circuit Teerachot SIRIBURANON Wei DENG Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/06/01 Vol. E98-C No. 6 pp. 471-479 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: low power, low phase noise, class-C VCO, start-up, CMOS, replica-bias circuit,
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A 60-GHz CMOS Transmitter with Gain-Enhanced On-Chip Antenna for Short-Range Wireless Interconnections Rui WU Wei DENG Shinji SATO Takuichi HIRANO Ning LI Takeshi INOUE Hitoshi SAKANE Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/04/01 Vol. E98-C No. 4 pp. 304-314 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design---Architecture, Circuit, Device and Design Methodology) Category: Keyword: 60-GHz transmitter, CMOS, on-chip antenna, helium-3 ion irradiation, short-range, high-data-rate,
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Characterization of Crossing Transmission Line Using Two-Port Measurements for Millimeter-Wave CMOS Circuit Design Korkut Kaan TOKGOZ Kimsrun LIM Seitarou KAWAI Nurul FAJRI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/01/01 Vol. E98-C No. 1 pp. 35-44 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: crossing transmission line, de-embedding, characterization, millimeter-wave, reduced port,
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A Variable-Supply-Voltage 60-GHz PA with Consideration of HCI Issues for TDD Operation Rui WU Yuuki TSUKUI Ryo MINAMI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/08/01 Vol. E97-C No. 8 pp. 803-812 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: 60-GHz PA, HCI issues, CMOS, mixed analog-digital LDO, time division duplex,
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A 20 GHz Push-Push Voltage-Controlled Oscillator Using Second-Harmonic Peaking Technique for a 60 GHz Frequency Synthesizer Teerachot SIRIBURANON Takahiro SATO Ahmed MUSA Wei DENG Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/06/01 Vol. E96-C No. 6 pp. 804-812 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: low phase noise, low power, tail-current modulation, impulse sensitivity function, super-harmonic coupled QVCO, push-push VCO,
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A Study of Stability and Phase Noise of Tail Capacitive-Feedback VCOs Ahmed MUSA Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/04/01 Vol. E96-C No. 4 pp. 577-585 Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design—Architecture, Circuit, Device and Design Methodology) Category: Keyword: VCO, class-C, capacitive feedback, CMOS, stability, impulse sensitivity function (ISF),
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Inter-Stage Tunable Notch Filter for a Multi-Band WCDMA Receiver Toshihiko ITO Masaki KANEMARU Satoshi FURUYA Dong TA NGOC HUY Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/11/01 Vol. E95-C No. 11 pp. 1776-1782 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: CMOS, receiver, notch filter, tunable, reconfigurable,
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A Wideband Common-Gate Low-Noise Amplifier Using Capacitive Feedback Toshihiko ITO Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/10/01 Vol. E95-C No. 10 pp. 1666-1674 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: LNA, wideband, CMOS, capacitive-cross-coupling, capacitive feedback,
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A 0.5-V, 0.05-to-3.2 GHz LC-Based Clock Generator for Substituting Ring Oscillators under Low-Voltage Condition Wei DENG Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/07/01 Vol. E95-C No. 7 pp. 1285-1296 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: 0.5-V, clock generator, frequency extension, low-jitter, LC-VCO,
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Evaluation of L-2L De-Embedding Method Considering Misalignment of Contact Position for Millimeter-Wave CMOS Circuit Design Qinghong BU Ning LI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/05/01 Vol. E95-C No. 5 pp. 942-948 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: misalignment, de-embedding, millimeter wave, L-2L,
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A Dual-Conduction Class-C VCO for a Low Supply Voltage Kenichi OKADA You NOMIYAMA Rui MURAKAMI Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/02/01 Vol. E95-A No. 2 pp. 506-514 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: VCO, class-C, dual conduction, CMOS, low supply voltage, impulse sensitivity function (ISF),
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Two-Stage Band-Selectable CMOS Power Amplifiers Using Inter-Stage Frequency Tuning JeeYoung HONG Daisuke IMANISHI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2012/02/01 Vol. E95-C No. 2 pp. 290-296 Type of Manuscript: PAPER Category: Electronic Circuits Keyword: CMOS, power amplifier, transformer,
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A 24 dB Gain 51–68 GHz Common Source Low Noise Amplifier Using Asymmetric-Layout Transistors Ning LI Keigo BUNSEN Naoki TAKAYAMA Qinghong BU Toshihide SUZUKI Masaru SATO Yoichi KAWANO Tatsuya HIROSE Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2012/02/01 Vol. E95-A No. 2 pp. 498-505 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: asymmetric-layout, low noise amplifier, mm-Wave, 60 GHz,
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Topology and Design Considerations of 60 GHz CMOS LNAs for Noise Performance Improving Ning LI Qinghong BU Kota MATSUSHITA Naoki TAKAYAMA Shogo ITO Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/12/01 Vol. E94-C No. 12 pp. 1881-1888 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: low noise amplifier, CMOS, mm-wave integrated circuit, 60 GHz,
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Tunable CMOS Power Amplifiers for Reconfigurable Transceivers JeeYoung HONG Daisuke IMANISHI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/11/01 Vol. E94-A No. 11 pp. 2394-2401 Type of Manuscript: PAPER Category: Circuit Theory Keyword: CMOS, power amplifier, tunable, reconfigurable,
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Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate Yuya ONO Takuichi HIRANO Kenichi OKADA Jiro HIROKAWA Makoto ANDO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/06/01 Vol. E94-C No. 6 pp. 1008-1015 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: silicon CMOS, microstrip line, propagation constant, dummy fill, eigenmode analysis, periodic structure, millimeter wave,
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Measurement of Integrated PA-to-LNA Isolation on Si CMOS Chip Ryo MINAMI JeeYoung HONG Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/06/01 Vol. E94-C No. 6 pp. 1057-1060 Type of Manuscript: BRIEF PAPER Category: Keyword: CMOS, power amplifier, substrate coupling, Tx leakage, mutual coupling,
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A Low-Noise and Highly-Linear Transmitter with Envelope Injection Pre-Power Amplifier for Multi-Mode Radio Shouhei KOUSAI Daisuke MIYASHITA Junji WADATSUMI Rui ITO Takahiro SEKIGUCHI Mototsugu HAMADA Kenichi OKADA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/02/01 Vol. E94-A No. 2 pp. 592-602 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: multi-mode radio, wideband transmitter, active matching, envelope injection,
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Analysis of Phase Noise Degradation Considering Switch Transistor Capacitances for CMOS Voltage Controlled Oscillators Rui MURAKAMI Shoichi HARA Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/06/01 Vol. E93-C No. 6 pp. 777-784 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: CMOS, VCO, inductor, phase noise, quality factor, multiple divide, switched capacitor,
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A Wide-Tunable LC-Based Voltage-Controlled Oscillator Using a Divide-by-N Injection-Locked Frequency Divider Shoichi HARA Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/06/01 Vol. E93-C No. 6 pp. 763-769 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: CMOS, VCO, divider, inductor,
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A De-Embedding Method Using Different-Length Transmission Lines for mm-Wave CMOS Device Modeling Naoki TAKAYAMA Kota MATSUSHITA Shogo ITO Ning LI Keigo BUNSEN Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/06/01 Vol. E93-C No. 6 pp. 812-819 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: de-embedding, S-parameter measurement, mm-wave, RF CMOS, transmission line,
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Evaluation of a Multi-Line De-Embedding Technique up to 110 GHz for Millimeter-Wave CMOS Circuit Design Ning LI Kota MATSUSHITA Naoki TAKAYAMA Shogo ITO Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/02/01 Vol. E93-A No. 2 pp. 431-439 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: CMOS amplifier, transmission line, millimeter wave, de-embedding, 60 GHz,
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The Optimum Design Methodology of Low-Phase-Noise LC-VCO Using Multiple-Divide Technique Shoichi HARA Rui MURAKAMI Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/02/01 Vol. E93-A No. 2 pp. 424-430 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: CMOS, VCO, divider, inductor,
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Tunable CMOS LNA Using a Variable Inductor for a Reconfigurable RF Circuit Hirotaka SUGAWARA Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/02/01 Vol. E92-A No. 2 pp. 401-410 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: reconfigurable RF, variable inductor, LNA, MEMS,
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Spatial Sensitivity of Capacitors in Distributed Resonators and Its Application to Fine and Wide Frequency Tuning Digital Controlled Oscillators Win CHAIVIPAS Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/06/01 Vol. E91-C No. 6 pp. 918-927 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: digital controlled oscillators, transmission line, frequency tuning,
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Analysis of CMOS Transconductance Amplifiers for Sampling Mixers Ning LI Win CHAIVIPAS Kenichi OKADA Akira MATSUZAWA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2008/06/01 Vol. E91-C No. 6 pp. 871-878 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies) Category: Keyword: Windowed integration, moving average, transconductance amplifier, sampling mixer,
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Reconfigurable RF CMOS Circuit for Cognitive Radio Kazuya MASU Kenichi OKADA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 10-13 Type of Manuscript: INVITED PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology) Category: Keyword: CMOS, reconfigurable RF circuit, cognitive radio,
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Low-Loss Distributed Constant Passive Devices Using Wafer-Level Chip Scale Package Technology Hiroyuki ITO Hideyuki SUGITA Kenichi OKADA Tatsuya ITO Kazuhisa ITOI Masakazu SATO Ryozo YAMAUCHI Kazuya MASU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/03/01 Vol. E90-C No. 3 pp. 641-643 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: wafer-level chip scale package, RF CMOS, passive device,
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Statistical Modeling of a Via Distribution for Yield Estimation Takumi UEZONO Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2006/12/01 Vol. E89-A No. 12 pp. 3579-3584 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Interconnect Keyword: via distribution, yield estimation, wire length distribution,
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RF Passive Components Using Metal Line on Si CMOS Kazuya MASU Kenichi OKADA Hiroyuki ITO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2006/06/01 Vol. E89-C No. 6 pp. 681-691 Type of Manuscript: INVITED PAPER (Special Section on Analog Circuit and Device Technologies) Category: Keyword: Si CMOS, on-chip passive, interconnect, transmission line, inductor, variable inductor, reconfigurable RF circuit,
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Circuit Performance Prediction Considering Core Utilization with Interconnect Length Distribution Model Hidenari NAKASHIMA Junpei INOUE Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/12/01 Vol. E88-A No. 12 pp. 3358-3366 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Prediction and Analysis Keyword: interconnect, layout compaction, physical design, placement, core utilization,
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Evaluation of X Architecture Using Interconnect Length Distribution Hidenari NAKASHIMA Naohiro TAKAGI Junpei INOUE Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/12/01 Vol. E88-A No. 12 pp. 3437-3444 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Interconnect Keyword: X architecture, interconnect length distribution, ILD, Rent's rule, all-directional interconnect,
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Wire Length Distribution Model for System LSI Takanori KYOGOKU Junpei INOUE Hidenari NAKASHIMA Takumi UEZONO Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/12/01 Vol. E88-A No. 12 pp. 3445-3452 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Interconnect Keyword: wire length distribution, core utilization, SoC, layout-area allocation,
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Dynamic Communication Zone Control Method on Autonomous Decentralized Based Roadside Network Infrastructure Masashi HIRAIWA Hiromitsu ASAKURA Tateki NARITA Tomoyuki YASHIRO Hiroshi SHIGENO Kenichi OKADA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/07/01 Vol. E88-A No. 7 pp. 1786-1799 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Network Keyword: autonomous decentralized system (ADS), intelligent transportation system (ITS), dynamic zone control, communication protocol, distributed system,
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Wide Tuning Range LC-VCO Using Variable Inductor for Reconfigurable RF Circuit Yoshiaki YOSHIHARA Hirotaka SUGAWARA Hiroyuki ITO Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2005/02/01 Vol. E88-A No. 2 pp. 507-512 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: VCO, oscillator, variable inductor, reconfigurable RF circuit,
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Promotion of Multiparty Conference in Collaborative Virtual Environments Kentaro FUKUI Kensaku HONDA Kenichi OKADA
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2004/12/01 Vol. E87-D No. 12 pp. 2540-2547 Type of Manuscript: INVITED PAPER (Special Section on New Technologies and their Applications of the Internet) Category: Keyword: CSCW, groupware, awareness, virtual reality, remote conference,
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Design Optimization Methodology for On-Chip Spiral Inductors Kenichi OKADA Hiroaki HOSHINO Hidetoshi ONODERA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/06/01 Vol. E87-C No. 6 pp. 933-941 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies) Category: Keyword: spiral inductor, response surface method, optimization, quality factor,
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High Density Differential Transmission Line Structure on Si ULSI Hiroyuki ITO Kenichi OKADA Kazuya MASU
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/06/01 Vol. E87-C No. 6 pp. 942-948 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit and Device Technologies) Category: Keyword: differential transmission line, Si ULSI, crosstalk, bus line, interconnect density,
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Statistical Gate-Delay Modeling with Intra-Gate Variability Kenichi OKADA Kento YAMAOKA Hidetoshi ONODERA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/12/01 Vol. E86-A No. 12 pp. 2914-2922 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Parasitics and Noise Keyword: intra-chip variability, statistical timing analysis, intra-gate variability, manufacturing fluctuation,
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Realistic Delay Calculation Based on Measured Intra-Chip and Inter-Chip Variabilities with the Size Dependence Kenichi OKADA Hidetoshi ONODERA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2003/04/01 Vol. E86-A No. 4 pp. 746-751 Type of Manuscript: Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa) Category: Keyword: intra-chip variability, statistical timing analysis, manufacturing fluctuation,
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Statistical Modeling of Device Characteristics with Systematic Variability Kenichi OKADA Hidetoshi ONODERA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/02/01 Vol. E84-A No. 2 pp. 529-536 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era) Category: Keyword: MOSFET, variability, systematic, stochastic,
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Layout Dependent Matching Analysis of CMOS Circuits Kenichi OKADA Hidetoshi ONODERA Keikichi TAMARU
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/02/25 Vol. E82-A No. 2 pp. 348-355 Type of Manuscript: Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics) Category: Keyword: CMOS, matching, micro-loading-effect, fluctuation,
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