Takayuki WATANABE


Generating Stable and Sparse Reluctance/Inductance Matrix under Insufficient Discretization
Yuichi TANJI Takayuki WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/03/01
Vol. E93-C  No. 3  pp. 379-387
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
inductancereluctancesparsesignal/power integrity
 Summary | Full Text:PDF(546.1KB)

Fast Transient Simulation of Power Distribution Networks Containing Dispersion Based on Parallel-Distributed Leapfrog Algorithm
Takayuki WATANABE Yuichi TANJI Hidemasa KUBOTA Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 388-397
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
circuit simulationpower integrityleapfrog algorithmfrequency-dependent dispersionparallel computation
 Summary | Full Text:PDF(940.8KB)

An Enhanced Time-Domain Circuit Simulation Technique Based on LIM
Hidemasa KUBOTA Yuichi TANJI Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/05/01
Vol. E89-A  No. 5  pp. 1505-1506
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
circuit simulationLIMnumerical integrationpower integritysignal integrity
 Summary | Full Text:PDF(83.6KB)

New Criteria of Selective Orthogonal Matrix Least-Squares Method for Macromodeling Multiport Networks Characterized by Sampled Data
Yuichi TANJI Masaya SUZUKI Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 524-532
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
top-down design and bottom-up verification methodologyorthogonal least-squares methodVerilog-AMSVerilog-Asampled datamatrix rational approximation
 Summary | Full Text:PDF(506.7KB)

An Efficient Simulation Method of Linear/Nonlinear Mixed Circuits Based on Hybrid Model Order Reduction Technique
Takashi MINE Hidemasa KUBOTA Atsushi KAMO Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/09/01
Vol. E87-A  No. 9  pp. 2274-2279
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications)
Category: 
Keyword: 
circuit simulationcongruence transformationnonlinear circuit reduction technique
 Summary | Full Text:PDF(418.9KB)

Macromodel Generation for Hybrid Systems Consisting of Electromagnetic Systems and Lumped RLC Circuits Based on Model Order Reduction
Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/02/01
Vol. E87-A  No. 2  pp. 398-405
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
circuit simulationmodel order reductionfinite-difference frequency domain methodefficient nodal order reduction
 Summary | Full Text:PDF(1.9MB)

A Framework for Macromodeling and Mixed-Mode Simulation of Circuits/Interconnects and Electromagnetic Radiations
Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/02/01
Vol. E86-A  No. 2  pp. 252-261
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analog circuit simulationSPICE macromodelelectromagnetic radiationsfinite-difference time-domain method
 Summary | Full Text:PDF(935.8KB)

An Efficient Simulator for Multiport Interconnects with Model Order Reduction Technique
Hidemasa KUBOTA Atsushi KAMO Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/06/01
Vol. E85-A  No. 6  pp. 1214-1219
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2001 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2001))
Category: 
Keyword: 
reduced-order modelPRIMAPCB simulationASSISTvoltage controlled current source model
 Summary | Full Text:PDF(931.9KB)

Low Noise Figure (6.3 dB) Polarization Insensitive Spot-Size Converter Integrated Semiconductor Optical Amplifier
Ken MORITO Mitsuru EKAWA Takayuki WATANABE Yuji KOTAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 990-994
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress of Integrated Photonic Devices)
Category: Active Devices
Keyword: 
semiconductor optical amplifier (SOA)spot-size converterspolarization insensitivenoise figure
 Summary | Full Text:PDF(265.2KB)

A New Methodology for Optimal Placement of Decoupling Capacitors on Printed Circuit Board
Atsushi KAMO Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 3177-3181
Type of Manuscript:  LETTER
Category: Circuit Theory
Keyword: 
Krylov-subspace techniquepartial element equivalent circuit (PEEC)network reductiondecoupling capacitor
 Summary | Full Text:PDF(909.8KB)

Acceleration Techniques for Synthesis and Analysis of Time-Domain Models of Interconnects Using FDTD Method
Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1  pp. 367-371
Type of Manuscript:  LETTER
Category: Circuit Theory
Keyword: 
circuit simulationFDTD methodtime-domain macromodelcharacteristic impedance
 Summary | Full Text:PDF(258.7KB)

Transient Analysis for Transmission Line Networks Using Expanded GMC
Atsushi KAMO Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/09/25
Vol. E82-A  No. 9  pp. 1789-1795
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and Its Applications)
Category: 
Keyword: 
expanded generalized method of characteristiclinear subcircuitcharacteristic impedancewave propagation function
 Summary | Full Text:PDF(1MB)

Relaxation-Based Transient Analysis of Lossy Coupled Transmission Lines Circuits Using Delay Evaluation Technique
Takayuki WATANABE Atsushi KAMO Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/06/25
Vol. E81-A  No. 6  pp. 1055-1062
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from ITC-CSCC'97)
Category: Modeling and Simulation
Keyword: 
circuit simulationlossy transmission lineswaveform relaxationdelay evaluation technique
 Summary | Full Text:PDF(613.6KB)

Acceleration Techniques for Waveform Relaxation Approaches to Coupled Lossy Transmission Lines Circuit Analysis Using GMC and GLDW Techniques
Takayuki WATANABE Hideki ASAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/10/25
Vol. E79-A  No. 10  pp. 1538-1545
Type of Manuscript:  Special Section PAPER (Special Section on Nonlinear Theory and its Applications (NOLTA))
Category: Nonlinear Circuits and Bifurcation
Keyword: 
lossy transmission linegeneralized method of characteristicswaveform relaxation methodline delay partitioning techniquecircuit simulator
 Summary | Full Text:PDF(624.7KB)