Toru FUKASAWA


Extended S-Parameter Method for Measuring Reflection and Mutual Coupling of Multi-Antennas
Takashi YANAGI Toru FUKASAWA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/10/01
Vol. E99-B  No. 10  pp. 2195-2202
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
S-parameter methodmultiport antennasimpedancemutual couplingmeasurement
 Summary | Full Text:PDF

S-Parameter Method and Its Application for Antenna Measurements
Takayuki SASAMORI Toru FUKASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2011-2021
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
S-parameter methodinput impedanceradiation patternreflection coefficient
 Summary | Full Text:PDF

M-Shaped Dielectric Phase Shifter for Beam-Steerable Base-Station Antenna
Kengo NISHIMOTO Takeshi OSHIMA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI Manabu KURIHARA Yoshiyuki CHATANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/08/01
Vol. E96-B  No. 8  pp. 2095-2101
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
phase shifterdielectricM-shapedbase-station antenna
 Summary | Full Text:PDF

Acceleration of Flexible GMRES Using Fast Multipole Method for Implementation Based on Combined Tangential Formulation
Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1661-1668
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
flexible GMRESintegral equation methodsmethod of momentscombined tangential formulationPMCHWTfast multipole methodmultilevel fast multipole algorithm
 Summary | Full Text:PDF

Convergence Property of IDR(s) Method Implemented along with Method of Moments for Solving Large-Scale Electromagnetic Scattering Problems Involving Conducting Objects
Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 198-205
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
IDR(s) methodKrylov subspace methodsintegral equation methodsmethod of momentsmultilevel fast multipole algorithm
 Summary | Full Text:PDF

Efficient Implementation of Inner-Outer Flexible GMRES for the Method of Moments Based on a Volume-Surface Integral Equation
Hidetoshi CHIBA Toru FUKASAWA Hiroaki MIYASHITA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/01/01
Vol. E94-C  No. 1  pp. 24-31
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: Numerical Techniques
Keyword: 
flexible GMRESintegral equation methodsmethod of momentsmultilevel fast multipole algorithmKrylov subspace methods
 Summary | Full Text:PDF

Triple-Bands Broad Bandwidth Dipole Antenna with Multiple Parasitic Elements
Toru FUKASAWA Hiroyuki OHMINE Kazuhito MIYASHITA Yoshiyuki CHATANI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2476-2481
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Mobile Antennas
Keyword: 
dipole antennaparasitic elementtriple-bandsbase station
 Summary | Full Text:PDF

Calculation of Coupling between a Monopole Antenna and a Strip Line in a Shield Case for a Portable Telephone
Toru FUKASAWA Chiharu MIYAZAKI Shigeru MAKINO Shuji URASAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/03/25
Vol. E83-B  No. 3  pp. 505-510
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Electromagnetic Compatibility Technology)
Category: EMC Evaluation
Keyword: 
shield casestrip lineantenna
 Summary | Full Text:PDF

Analysis of High-Tc Superconducting Microstrip Antenna Using Modified Spectral Domain Moment Method
Nozomu ISHII Toru FUKASAWA Kiyohiko ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/08/25
Vol. E77-C  No. 8  pp. 1242-1248
Type of Manuscript:  Special Section PAPER (Special Section on Superconducting Devices)
Category: HTS
Keyword: 
high-Tc superconductingmicrostrip antennaspectral domain moment methodthree-fluid modelradiation efficiencyinput impedance
 Summary | Full Text:PDF