Soichi WATANABE


Experimental Evaluation of SAR around an Implanted Cardiac Pacemaker Caused by Mobile Radio Terminal
Yuta ENDO  Kazuyuki SAITO  Soichi WATANABE  Masaharu TAKAHASHI  Koichi ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 2129-2132
Type of Manuscript: LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
implanted cardiac pacemakerSARphantomFDTDPIFA
  Summary |  Full Text:PDF (680KB)

SAR-Probe Calibration System Using Reference Dipole Antenna in Tissue-Equivalent Liquid
Nozomu ISHII  Yukihiro MIYOTA  Ken-ichi SATO  Lira HAMADA  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 60-68
Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antenna Measurement
Keyword: 
specific absorption rate (SAR)probecalibrationtissue-equivalent liquidtwo-antenna methodgain
  Summary |  Full Text:PDF (1.8MB)

A Head-Local-Exposure System for Rats Using a Figure-8 Loop Antenna in the 2 GHz Band
Hiroki KAWAI  Kanako WAKE  Takuji ARIMA  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/06/01
Vol. E94-B  No. 6  pp. 1757-1760
Type of Manuscript: LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
EMFratlocal exposureSARloop antenna
  Summary |  Full Text:PDF (655.6KB)

Evaluation of SAR and Temperature Elevation Using Japanese Anatomical Human Models for Body-Worn Devices
Teruo ONISHI  Takahiro IYAMA  Lira HAMADA  Soichi WATANABE  Akimasa HIRATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3643-3646
Type of Manuscript: LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
10 g average SARTemperature elevationBody-worn devicesJapanese anatomical human modelsFDTD methodBio-heat equation
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Estimation of EMI Impact by Cellular Radio on Implantable Cardiac Pacemakers in Elevator Using EMF Distributions Inside Human Body
Atsushi KITAGAWA  Takashi HIKAGE  Toshio NOJIMA  Ally Y. SIMBA  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/07/01
Vol. E93-B  No. 7  pp. 1839-1846
Type of Manuscript: Special Section PAPER (Special Section on Advanced Electromagnetic Compatibility Technology in Conjunction with Main Topics of EMC'09/Kyoto)
Category: Biological Effects and Safety
Keyword: 
implantable cardiac pacemakerscellular radioselevatorfinite difference time domain methodnumerical phantom model
  Summary |  Full Text:PDF (5.4MB)

Effect of Heterogeneity of Tissues on RF Energy Absorption in the Brain for Exposure Assessment in Epidemiological Studies on Mobile Phone Use and Brain Tumors
Nadege VARSIER  Kanako WAKE  Masao TAKI  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3792-3795
Type of Manuscript: LETTER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
brainepidemiological studyhealth effectsRF exposureSAR
  Summary |  Full Text:PDF (409.7KB)

Simultaneous Measurement of Antenna Gain and Complex Permittivity of Liquid in Near-Field Region Using Weighted Regression
Nozomu ISHII  Hiroki SHIGA  Naoto IKARASHI  Ken-ichi SATO  Lira HAMADA  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 1831-1837
Type of Manuscript: Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation)
Category: Measurements
Keyword: 
SARnear-field regionabsolute gainFriis transmission equationleast square method
  Summary |  Full Text:PDF (515KB)

A Method of Measuring Gain in Liquids Based on the Friis Transmission Formula in the Near-Field Region
Nozomu ISHII  Takuhei AKAGAWA  Ken-ichi SATO  Lira HAMADA  Soichi WATANABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2401-2407
Type of Manuscript: Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Measurements
Keyword: 
Friis transmission formulaSAR probe calibrationconducting mediumFresnel approximationfar-field gain
  Summary |  Full Text:PDF (485.1KB)

The Measurements of the Complex Permittivities of Blood Samples in Quasi-Millimeter and Millimeter Wave Bands
Hiroki WAKATSUCHI  Masahiro HANAZAWA  Soichi WATANABE  Atsuhiro NISHIKATA  Masaki KOUZAI  Masami KOJIMA  Yoko YAMASHIRO  Kazuyuki SASAKI  Osamu HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6  pp. 1357-1359
Type of Manuscript: Special Section LETTER (Special Section on 2nd Pan-Pacific EMC Joint Meeting--PPEMC'06--)
Category: 
Keyword: 
whole bloodblood plasmacomplex permittivitiestemperature dependencemillimeter wavesquasi millimeter wavescoaxial probe method
  Summary |  Full Text:PDF (264.4KB)

Human Body Impedance for Contact Current Measurement in Japan
Yoshitsugu KAMIMURA  Katsuo KOMORI  Masahiro SHOJI  Yoshifumi YAMADA  Soichi WATANABE  Yukio YAMANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3263-3268
Type of Manuscript: Special Section PAPER (Special Section of 2004 International Symposium on Electromagnetic Compatibility)
Category: Biological Effects
Keyword: 
contact currentequivalent circuitimpedance method
  Summary |  Full Text:PDF (771.4KB)

Electromagnetic and Thermal Dosimetry of a Cylindrical Waveguide-Type in vitro Exposure Apparatus
Tomohide SONODA  Rui TOKUNAGA  Koichi SETO  Yukihisa SUZUKI  Kanako WAKE  Soichi WATANABE  Masao TAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3287-3293
Type of Manuscript: Special Section PAPER (Special Section of 2004 International Symposium on Electromagnetic Compatibility)
Category: Biological Effects
Keyword: 
SARelectromagnetic fieldtemperature distributiondosimetryradio frequencycylindrical waveguidein vitro exposure apparatus
  Summary |  Full Text:PDF (574.3KB)

Electric-Field Distribution Estimation in a Train Carriage due to Cellular Radios in order to Assess the Implantable Cardiac Pacemaker EMI in Semi-Echoic Environments
Takashi HIKAGE  Toshio NOJIMA  Soichi WATANABE  Takashi SHINOZUKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3281-3286
Type of Manuscript: Special Section PAPER (Special Section of 2004 International Symposium on Electromagnetic Compatibility)
Category: Biological Effects
Keyword: 
EMCEMIimplantable cardiac pacemakercellular radioFDTDtrain carriage
  Summary |  Full Text:PDF (1MB)

Inner-Chip-Interference Cancellation Using Rake Receiver with Wiener Filter
Tsung-ting TSAI  Soichi WATANABE  Yung-Liang HUANG  Takuro SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/11/01
Vol. E87-B  No. 11  pp. 3295-3302
Type of Manuscript: PAPER
Category: Terrestrial Radio Communications
Keyword: 
W-CDMAWiener filterindoor interference cancellation
  Summary |  Full Text:PDF (524.3KB)

A New Iterative MoM/FDTD Formulation for Simulating Human Exposure to Electromagnetic Waves
Shoji MOCHIZUKI  Soichi WATANABE  Masao TAKI  Yukio YAMANAKA  Hiroshi SHIRAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/09/01
Vol. E87-C  No. 9  pp. 1540-1547
Type of Manuscript: Special Section PAPER (Special Section on Wave Technologies for Wireless and Optical Communications)
Category: Basic Electromagnetic Analysis
Keyword: 
SARiteration procedurenumerical hybrid methodFDTD methodMethod of Moments
  Summary |  Full Text:PDF (1MB)

Performance Analysis of Distance-Assisted Handoff Algorithm in Multi-Cellular Systems
Jen Shu SHIH  Ken-ichi ITOH  Soichi WATANABE  Takuro SATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/09/01
Vol. E85-B  No. 9  pp. 1676-1684
Type of Manuscript: PAPER
Category: Wireless Communication Technology
Keyword: 
handoffdistance measurementRSSI measurementmobile communication systemperformance analysis
  Summary |  Full Text:PDF (458.4KB)

Forward Subchannel Control Scheme for TDD Multi-Carrier Mobile Communication System
Soichi WATANABE  Takuro SATO  Takeo ABE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/07/20
Vol. E82-A  No. 7  pp. 1172-1178
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
forward subchannel controlTDD multi-carrierdelay estimatorchannel estimator
  Summary |  Full Text:PDF (742.7KB)

Two Dimensional Equalization Scheme of Orthogonal Coding Multi-Carrier CDMA
Soichi WATANABE  Takuro SATO  Masakazu SENGOKU  Takeo ABE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/06/20
Vol. E81-A  No. 6  pp. 1079-1088
Type of Manuscript: Special Section PAPER (Special Section of Papers Selected from ITC-CSCC'97)
Category: Spread Spectrum Technologies and Applications
Keyword: 
MAI2D equalizationorthogonal codingmulti-carrierCDMA
  Summary |  Full Text:PDF (782.5KB)

Frequency Characteristics of Energy Deposition in Human Model Exposed to Near Field of an Electric or a Magnetic Dipole
Soichi WATANABE  Masao TAKI  Yoshitsugu KAMIMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/06/20
Vol. E77-B  No. 6  pp. 725-731
Type of Manuscript: Special Section PAPER (Special Issue on Biological Effects of Electromagnetic Fields)
Category: 
Keyword: 
near-field exposurebiological effectspecific absorption ratefinite-difference time-domain method
  Summary |  Full Text:PDF (639.1KB)

An Analysis of Dose in Tissue Irradiated by Near Field of a Circular Loop Antenna
Haruhiro TERADA  Fumio KITAGAWA  Nobuo OKAMOTO  Soichi WATANABE  Masao TAKI  Masao SAITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/06/20
Vol. E77-B  No. 6  pp. 754-761
Type of Manuscript: Special Section PAPER (Special Issue on Biological Effects of Electromagnetic Fields)
Category: 
Keyword: 
analysisnear fieldscircular loop antennaRF and ELF biological effectsclinical use
  Summary |  Full Text:PDF (641.3KB)