Yoshihiko KONISHI


A Millimeter-Wave Band Low-Profile Waveguide BRF with Built-In Open-Ended λ/2 Microstrip Resonators
Satoshi YONEDA  Hiromitsu UCHIDA  Miyuki TANAKA  Takurou SASAKI  Naofumi YONEDA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2013/05/01
Vol. J96-C  No. 5  pp. 65-72
Type of Manuscript: PAPER
Category: 
Keyword: 
millimeter-waveQ-bandband rejection filterswaveguide filtersceramic substratemicrostrip resonator
  Summary |  Full Text(in Japanese):PDF (1.2MB)

Cavity-Backed Circularly Polarized Antenna Using L-Shaped Excitation Elements
Takashi YANAGI  Takeshi OSHIMA  Kazushi NISHIZAWA  Toru FUKASAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-B  No. 9  pp. 1044-1051
Type of Manuscript: Special Section PAPER (Special Section on Antennas and Propagation Technologies for Progress in Wireless Systems)
Category: 
Keyword: 
circularly polarized antennacavity-backed antennaL-shaped element
  Summary |  Full Text(in Japanese):PDF (1.6MB)

A 2-Section Wilkinson Power Divider with Intersectional Capacitive Elements for Compensating the Length of Resistive Films
Takeshi YUASA  Koichi SHIGENAGA  Yukihiro TAHARA  Tetsu OHWADA  Naofumi YONEDA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2012/01/01
Vol. J95-C  No. 1  pp. 1-8
Type of Manuscript: PAPER
Category: 
Keyword: 
Wilkinson power dividerresistive filmcompensating networkcapacitive element
  Summary |  Full Text(in Japanese):PDF (899KB)

Post-Wall Slotted Waveguide Array Antennas with Tilted Beam Radiation Patterns for a Broadband Communication System in 60 GHz Band
Satoshi YAMAGUCHI  Jun GOTO  Toru TAKAHASHI  Masataka OTSUKA  Yoshihiko KONISHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/11/01
Vol. J94-B  No. 11  pp. 1498-1502
Type of Manuscript: LETTER
Category: 
Keyword: 
millimeter wavebroadband communication systempost-wall waveguideslot array antennas
  Summary |  Full Text(in Japanese):PDF (2.4MB)

A Broadband Branch-Line Hybrid Utilizing Open-Circuited Interdigital Sections
Takeshi OSHIMA  Takashi YANAGI  Toru FUKASAWA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2011/10/01
Vol. J94-C  No. 10  pp. 296-305
Type of Manuscript: PAPER
Category: 
Keyword: 
90° hybridbranch-linebroadband matchingflat power-splitinterdigital section
  Summary |  Full Text(in Japanese):PDF (1.3MB)

Dual-Polarized Wideband MSA Using Matching Stubs and Capacitive Loads
Takashi YANAGI  Yasuhiro NISHIOKA  Toru FUKASAWA  Hideyuki OH-HASHI  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/09/01
Vol. J94-B  No. 9  pp. 1169-1180
Type of Manuscript: Special Section PAPER (Special Issue on Antenna and Propagation Technologies Underpinning Advances and Diversification of Wireless Communications)
Category: 
Keyword: 
microstrip patch antennabroadbandingmatching-stubscapacitive loadsdual-polarized
  Summary |  Full Text(in Japanese):PDF (2.5MB)

A Theoretical Study on Accuracy of Phased Array Antenna Calibration Using the REV Method
Narihiro NAKAMOTO  Toru TAKAHASHI  Masataka OTSUKA  Yoshihiko KONISHI  Toshihiko AOKI  Tamotsu NISHINO  Isamu CHIBA  Masanobu YAJIMA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-B  No. 9  pp. 1312-1321
Type of Manuscript: PAPER
Category: 
Keyword: 
phased array antennaREV methodcalibrationaccuracy
  Summary |  Full Text(in Japanese):PDF (749.2KB)

Tunable Sleeve Antenna Using Variable Capacitors
Kengo NISHIMOTO  Ryosuke UMENO  Toru FUKASAWA  Masataka OHTSUKA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2010/09/01
Vol. J93-B  No. 9  pp. 1322-1330
Type of Manuscript: PAPER
Category: 
Keyword: 
sleeve antennasvariable capacitorsband-tunableleakage current
  Summary |  Full Text(in Japanese):PDF (1.4MB)

A Q-Band Low-Profile Waveguide BRF with Built-In Cavity-Embedded Dielectric Substrates
Satoshi YONEDA  Hiromitsu UCHIDA  Miyuki TANAKA  Takurou SASAKI  Naofumi YONEDA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2010/04/01
Vol. J93-C  No. 4  pp. 113-118
Type of Manuscript: PAPER
Category: 
Keyword: 
millimeter-waveQ-bandband rejection filterswaveguide filtersSIW
  Summary |  Full Text(in Japanese):PDF (658.6KB)

A Dual-Band Matching Network for Loads Representable as a Series Resonant Circuit Based on Network Synthesis Theory
Takeshi OSHIMA  Toru FUKASAWA  Masataka OHTSUKA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2009/12/01
Vol. J92-C  No. 12  pp. 823-832
Type of Manuscript: PAPER
Category: 
Keyword: 
matching networksdual-bandnetwork synthesisseries resonanceantennas
  Summary |  Full Text(in Japanese):PDF (561.3KB)

Characteristics of a Dipole Antenna on a Cell Phone without a Balun
Toru FUKASAWA  Hiroaki MIYASHITA  Hideyuki OHASHI  Yoshihiko KONISHI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-B  No. 9  pp. 1391-1398
Type of Manuscript: Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies)
Category: 
Keyword: 
cell phonedipole antennabalanced modeunbalanced modebalun
  Summary |  Full Text(in Japanese):PDF (988.5KB)

A Design Procedure of Branch- and Rat-Race-Type Couplers with Arbitrary Resistive Loads
Takeshi OSHIMA  Masataka OHTSUKA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2009/07/01
Vol. J92-C  No. 7  pp. 268-276
Type of Manuscript: PAPER
Category: 
Keyword: 
microwavecouplershybridsarbitrary loads
  Summary |  Full Text(in Japanese):PDF (671KB)

A Design Procedure of Broadband Branch-Type Hybrids with Multi-Stage Matching Network
Takeshi OSHIMA  Masataka OHTSUKA  Hiroaki MIYASHITA  Yoshihiko KONISHI 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2009/07/01
Vol. J92-C  No. 7  pp. 258-267
Type of Manuscript: PAPER
Category: 
Keyword: 
microwavehybridsbroadbandmatching networksnetwork synthesis
  Summary |  Full Text(in Japanese):PDF (858.9KB)

A Theoretical Study on Measurement Accuracy of the REV Method for Phased Array Measurement System Designs
Toru TAKAHASHI  Narihiro NAKAMOTO  Masataka OHTSUKA  Takeshi SAKURA  Toshihiko AOKI  Yoshihiko KONISHI  Masanobu YAJIMA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/02/01
Vol. J92-B  No. 2  pp. 446-457
Type of Manuscript: PAPER
Category: 
Keyword: 
phased array antennaREV methodlink budgetthermal noisemeasurement error
  Summary |  Full Text(in Japanese):PDF (1.1MB)

Evaluation of the Common-mode Current Generated with High-Speed Power Line Communication
Naoto OKA  Yoshihiko KONISHI  Shuichi NITTA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/11/01
Vol. J90-B  No. 11  pp. 1169-1178
Type of Manuscript: Special Section PAPER (Special Section on Broadband EMC Technologies)
Category: 
Keyword: 
radiated emissionmodelingpower line communicationLCL
  Summary |  Full Text(in Japanese):PDF (816.8KB)

A Ka-Band DBF Array Antenna for Land Mobile Satellite Communications
Kazunari KIHIRA  Isamu CHIBA  Yoshihiko KONISHI  Hiroyoshi MASUDA  Hiroyuki SATO  Hiroshi IKEMATSU  Hiroaki MIYASHITA  Shigeru MAKINO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/09/01
Vol. J89-B  No. 9  pp. 1705-1716
Type of Manuscript: Special Section PAPER (Special Issue on Design, Analysis and Measurement Techniques in Antennas and Propagation to Meet Expanding Applications of Radio Systems)
Category: 
Keyword: 
digital beam forming antennamaximal ratio combiningbeam spacemobile satellite communicationKa-band
  Summary |  Full Text(in Japanese):PDF (2MB)