Atsushi IWATA


A New Multi-Path Routing Methodology Based on Logit-Type Probability Assignment
Yudai HONMA Masaki AIDA Hideyuki SHIMONISHI Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2282-2291
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
multi-path routingmultinomial logit modellink-state protocoldistance-vector protocol
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Background Calibration Techniques for Low-Power and High-Speed Data Conversion
Atsushi IWATA Yoshitaka MURASAKA Tomoaki MAEDA Takafumi OHMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 923-929
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
digital assist analog circuitflash ADCcomparatorcurrent summing DACsubstrate noise
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A Neural Recording Amplifier with Low-Frequency Noise Suppression
Takeshi YOSHIDA Yoshihiro MASUI Ryoji EKI Atsushi IWATA Masayuki YOSHIDA Kazumasa UEMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 849-854
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
neural recording amplifierneural signal sensing LSI1/f noiseautozero technology
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A 2.0 Vpp Input, 0.5 V Supply Delta Amplifier with A-to-D Conversion
Yoshihiro MASUI Takeshi YOSHIDA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/06/01
Vol. E92-C  No. 6  pp. 828-834
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
scaled CMOS technologyvoltage mismatchDeltAMPanalog-time-digital conversion (ATD)
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Chip-Level Substrate Coupling Analysis with Reference Structures for Verification
Daisuke KOSAKA Makoto NAGATA Yoshitaka MURASAKA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/12/01
Vol. E90-A  No. 12  pp. 2651-2660
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Physical Design
Keyword: 
chip-level substrate couplingF-matrix computationslice-and-stack substrate modeling
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Low-Voltage and Low-Noise CMOS Analog Circuits Using Scaled Devices
Atsushi IWATA Takeshi YOSHIDA Mamoru SASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1149-1155
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
low-noise amplifierautozeroingchopper stabilizationswitched op-ampVCOring oscillator
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Evaluation of Isolation Structures against High-Frequency Substrate Coupling in Analog/Mixed-Signal Integrated Circuits
Daisuke KOSAKA Makoto NAGATA Yoshitaka MURASAKA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 380-387
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
substrate couplingequivalent circuit modelingguard ringguard banddeep n-wellsubstrate noise analysisS21 measurementF-matrix computation
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A VLSI Spiking Feedback Neural Network with Negative Thresholding and Its Application to Associative Memory
Kan'ya SASAKI Takashi MORIE Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/11/01
Vol. E89-C  No. 11  pp. 1637-1644
Type of Manuscript:  Special Section PAPER (Special Section on Novel Device Architectures and System Integration Technologies)
Category: 
Keyword: 
spiking neuron modelfeedback networkglobal excitatory unitnegative thresholdingassociative memory
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An Image-Filtering LSI Processor Architecture for Face/Object Recognition Using a Sorted Projection-Field Model Based on a Merged/Mixed Analog-Digital Architecture
Osamu NOMURA Takashi MORIE Keisuke KOREKADO Teppei NAKANO Masakazu MATSUGU Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 781-791
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
object detection/recognitionconvolutional neural networkimage-filteringmultiply-and-accumulation operationLSI architecture
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A 1 V Low-Noise CMOS Amplifier Using Autozeroing and Chopper Stabilization Technique
Takeshi YOSHIDA Yoshihiro MASUI Takayuki MASHIMO Mamoru SASAKI Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/06/01
Vol. E89-C  No. 6  pp. 769-774
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
low-noise amplifierautozeroingchopper stabilizationlow-voltage operationswitched op-ampCMOS
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Improving Ethernet Reliability and Stability Using Global Open Ethernet Technology
Masaki UMAYABASHI Youichi HIDAKA Nobuyuki ENOMOTO Daisaku OGASAHARA Kazuo TAKAGI Atsushi IWATA Akira ARUTAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 675-682
Type of Manuscript:  Special Section PAPER (Special Section on the Next Generation Ethernet Technologies)
Category: 
Keyword: 
Ethernetvirtual private networkrapid spanning tree protocolVLAN tagfailure recovery
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Carrier-Grade Ethernet Technologies for Next Generation Wide Area Ethernet
Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 651-660
Type of Manuscript:  INVITED PAPER (Special Section on the Next Generation Ethernet Technologies)
Category: 
Keyword: 
MANEthernetreliabilityQoSOAM
 Summary | Full Text:PDF

A 2.7 Gcps and 7-Multiplexing CDMA Serial Communication Chip Using Two-Step Synchronization Technique
Mitsuru SHIOZAKI Toru MUKAI Masahiro ONO Mamoru SASAKI Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1233-1240
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: Optical, PLL
Keyword: 
CDMArobotmultiplexsynchronization technique
 Summary | Full Text:PDF

Pulse Modulation Techniques for Nonlinear Dynamical Systems and a CMOS Chaos Circuit with Arbitrary 1-D Maps
Takashi MORIE Kenichi MURAKOSHI Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/11/01
Vol. E87-C  No. 11  pp. 1856-1862
Type of Manuscript:  Special Section PAPER (Special Section on New System Paradigms for Integrated Electronics)
Category: 
Keyword: 
CMOS analog integrated circuitsnonlinear circuitsnonlinear functionspulse width modulationpulse phase modulationchaos
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Design of a Wireless Neural-Sensing LSI
Takeshi YOSHIDA Miho AKAGI Takayuki MASHIMO Atsushi IWATA Masayuki YOSHIDA Kazumasa UEMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 996-1002
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
neural-sensing LSIwireless communicationmulti-input-channelschopper amplifierflicker noisemulti-mode ADC
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A Design of Neural Signal Sensing LSI with Multi-Input-Channels
Takeshi YOSHIDA Takayuki MASHIMO Miho AKAGI Atsushi IWATA Masayuki YOSHIDA Kazumasa UEMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 376-383
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
neural signal sensing LSImulti-input-channels probeflicker noisechopper amplifiermulti-mode ADC
 Summary | Full Text:PDF

Global Open Ethernet Architecture for a Cost-Effective Scalable VPN Solution
Atsushi IWATA Youichi HIDAKA Masaki UMAYABASHI Nobuyuki ENOMOTO Akira ARUTAKI Kazuo TAKAGI Dirceu CAVENDISH Rauf IZMAILOV 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1  pp. 142-151
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
EthernetglobalVPNVLANscalable
 Summary | Full Text:PDF

A Pulse-Coupled Neural Network Simulator Using a Programmable Gate Array Technique
Kousuke KATAYAMA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/05/01
Vol. E86-D  No. 5  pp. 872-881
Type of Manuscript:  Special Section PAPER (Special Issue on Reconfigurable Computing)
Category: 
Keyword: 
pulse-coupled neural networkphase-locked loopsdendritic treeprogrammable gate arrayreconfigurable network
 Summary | Full Text:PDF

A High-Resolution CMOS Image Sensor with Hadamard Transform Function
Kousuke KATAYAMA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 396-403
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
orthogonal transformHadamard transformfunctional image sensor
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An Hadamard Transform Chip Using the PWM Circuit Technique and Its Application to Image Processing
Kousuke KATAYAMA Atsushi IWATA Takashi MORIE Makoto NAGATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/08/01
Vol. E85-C  No. 8  pp. 1596-1603
Type of Manuscript:  Special Section PAPER (Special Issue on High-Performance Analog Integrated Circuits)
Category: 
Keyword: 
Hadamard transformimage sensorpulse width modulation techniquecharge sharing
 Summary | Full Text:PDF

FOREWORD
Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/08/01
Vol. E85-C  No. 8  pp. 1527-1528
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Image Segmentation/Extraction Using Nonlinear Cellular Networks and Their VLSI Implementation Using Pulse-Modulation Techniques
Hiroshi ANDO Takashi MORIE Makoto MIYAKE Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 381-388
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
resistive-fuse networkoscillator networkimage segmentationimage extractionpulse modulation circuit
 Summary | Full Text:PDF

A CMOS Stochastic Associative Processor Using PWM Chaotic Signals
Toshio YAMANAKA Takashi MORIE Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1723-1729
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Systems with New Concepts)
Category: 
Keyword: 
pulse-width modulationPWMchaotic signalsstochastic association
 Summary | Full Text:PDF

Merged Analog-Digital Circuits Using Pulse Modulation for Intelligent SoC Applications
Atsushi IWATA Takashi MORIE Makoto NAGATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/02/01
Vol. E84-A  No. 2  pp. 486-496
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques Supporting the System LSI Era)
Category: 
Keyword: 
pulse modulationmixed analog-digital integrated circuitsnonlinear dynamical systemsswitched current integrationtime-domain signal processing
 Summary | Full Text:PDF

A Nonlinear Oscillator Network for Gray-Level Image Segmentation and PWM/PPM Circuits for Its VLSI Implementation
Hiroshi ANDO Takashi MORIE Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 329-336
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Signal and Image Processing)
Category: 
Keyword: 
nonlinear oscillator networkLEGIONimage segmentationpulse modulationPWMPPMLSI implementation
 Summary | Full Text:PDF

New Non-Volatile Analog Memory Circuits Using PWM Methods
Shigeo KINOSHITA Takashi MORIE Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/09/25
Vol. E82-C  No. 9  pp. 1655-1661
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Electronics and New System Paradigms)
Category: Non-Binary Architectures
Keyword: 
analog memoryfloating gate devicepulse width modulationPWM
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Substrate Noise Simulation Techniques for Analog-Digital Mixed LSI Design
Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 271-278
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog-digital mixed LSIsubstrate noisecrosstalkAnalogHDLbehavioral modelingmacroscopic substrate noise modelΔΣADC
 Summary | Full Text:PDF

An Analog-Digital Merged Neural Circuit Using Pulse Width Modulation Technique
Takashi MORIE Jun FUNAKOSHI Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 356-363
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
LSI implementationneural networkpulse width modulationPWM
 Summary | Full Text:PDF

A Stochastic Associative Memory Using Single-Electron Tunneling Devices
Makoto SAEN Takashi MORIE Makoto NAGATA Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/01/25
Vol. E81-C  No. 1  pp. 30-35
Type of Manuscript:  Special Section PAPER (Special Issue on Technology Challenges for Single Electron Devices)
Category: 
Keyword: 
associative memorysingle-electron tunnelingSETsingle-electron transistor
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Analysis and Design of Low Loss and Low Mode-Shift Integrated Optical Waveguides Using Finite-Difference Time-Domain Method
Takeshi DOI Atsushi IWATA Masataka HIROSE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/05/25
Vol. E80-C  No. 5  pp. 625-631
Type of Manuscript:  Special Section PAPER (Special Issue on Photonic Integrated Circuits)
Category: 
Keyword: 
integrated optical waveguidefinite-difference time-domain methoddouble-reflection waveguideslit branch waveguide
 Summary | Full Text:PDF

FOREWORD
Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/02/25
Vol. E80-A  No. 2  pp. 261-262
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

ATM Routing Algorithms with Multiple QOS Requirements for Multimedia Internetworking
Atsushi IWATA Rauf IZMAILOV Duan-Shin LEE Bhaskar SENGUPTA G. RAMAMURTHY Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/08/25
Vol. E79-B  No. 8  pp. 999-1007
Type of Manuscript:  INVITED PAPER (Special Issue on Multimedia on Demand)
Category: 
Keyword: 
path selection algorithmQOSrouting signalingtraffic classATMPNNImultimedia
 Summary | Full Text:PDF

FOREWORD
Atsushi IWATA Ian YOUNG 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/07/25
Vol. E79-C  No. 7  pp. 881-882
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

A Concept of Analog-Digital Merged Circuit Architecture for Future VLSI's
Atsushi IWATA Makoto NAGATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2  pp. 145-157
Type of Manuscript:  Special Section PAPER (Special Section on Analog Technologies in Submicron Era)
Category: 
Keyword: 
pulse width modulation (PWM)switched current integratorPWM adderPWM signal converter
 Summary | Full Text:PDF

FOREWORD
Kevin J. O'CONNOR Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/06/25
Vol. E78-C  No. 6  pp. 587-588
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

FOREWORD
Atsushi IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/07/25
Vol. E76-C  No. 7  pp. 1027-1028
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Optical Interconnections as a New LSI Technology
Atsushi IWATA Izuo HAYASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/01/25
Vol. E76-C  No. 1  pp. 90-99
Type of Manuscript:  INVITED PAPER (Special Issue on Opto-Electronics and LSI)
Category: Integration of Opto-Electronics and LSI Technologies
Keyword: 
optical interconnectionCMOS micro processorlaser diodesphoto ditectorsoptical wave guidesmultichip moduleclock circuitbus line
 Summary | Full Text:PDF

Real-Time Feed-Forward Control LSIs for a Direct Wafer Exposure Electron Beam System
Hironori YAMAUCHI Tetsuo MOROSAWA Takashi WATANABE Atsushi IWATA Tsutomu HOSAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/01/25
Vol. E76-C  No. 1  pp. 124-135
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
asicpipelineadaptiveelectron beam
 Summary | Full Text:PDF

Present and Future Trends in Integrated Analog Signal Processing Circuits
Kenji NAKAYAMA Atsushi IWATA Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/12/25
Vol. E71-E  No. 12  pp. 1177-1188
Type of Manuscript:  REVIEW PAPER
Category: 
Keyword: 
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