Hisashi MORISHITA


Simultaneous Decoupling and Matching Technique for Short-Range MIMO
Kentaro MURATA Naoki HONMA Kentaro NISHIMORI Naobumi MICHISHITA Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1846-1858
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
short-range MIMOdecoupling and matching network
 Summary | Full Text:PDF(1.9MB)

Four-Stream Parallel Transmission for Short-Range MIMO Using Only Passive Analog Components
Kentaro MURATA Naoki HONMA Kentaro NISHIMORI David M. KLYMYSHYN Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/01/01
Vol. E99-B  No. 1  pp. 69-80
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas, Propagation and Wireless Systems Related to Topics in ISAP2014)
Category: Antennas and Propagation
Keyword: 
short-range MIMOeigenmode transmission180-degree hybrid coupler
 Summary | Full Text:PDF(6.6MB)

Investigation on a Multi-Band Inverted-F Antenna Sharing Only One Shorting Strip among Multiple Branch Elements
Tuan Hung NGUYEN Takashi OKI Hiroshi SATO Yoshio KOYANAGI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7  pp. 1302-1315
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
multi-bandinverted-F antennasmall antennahandset antennalow-profileinfinite ground plane
 Summary | Full Text:PDF(3.9MB)

A Study on Minimization of Requisite Design Volume of Small Antennas Inside Handset Terminals
Tuan Hung NGUYEN Hiroshi SATO Yoshio KOYANAGI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2395-2403
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
requisite design volumespace-saving designhandset antennainverted-F antenna
 Summary | Full Text:PDF(2.4MB)

Folded Monopole Antenna with Parasitic Element in Small Terminal for WiMAX and WLAN MIMO Systems
Tsutomu ITO Mio NAGATOSHI Shingo TANAKA Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/10/01
Vol. E97-B  No. 10  pp. 2042-2049
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Measurement and Design Techniques on Antennas, Propagation and Wireless Systems)
Category: 
Keyword: 
folded monopole antennawide/multi bandWiMAXWLANparasitic element
 Summary | Full Text:PDF(2.4MB)

Wideband 3D Folded Dipole Antenna with Feed Line for Small Terminal
Tsutomu ITO Mio NAGATOSHI Shingo TANAKA Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2410-2416
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Antennas
Keyword: 
3D folded dipole antenna with feed linewider bandwidthWiMAX
 Summary | Full Text:PDF(2.3MB)

The Mutual Coupling Reduction between Two J-Shaped Folded Monopole Antennas for Handset
Jun ITOH Nguyen TUAN HUNG Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1161-1167
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: Antennas and Antenna Measurement
Keyword: 
small antenna for handsetmutual coupling reduction
 Summary | Full Text:PDF(1.5MB)

Broadband Characteristics of a Planar Folded Dipole Antenna with a Feed Line
Mio NAGATOSHI Shingo TANAKA Satoru HORIUCHI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1168-1173
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: Antennas and Antenna Measurement
Keyword: 
folded dipole antennaplanar antennawideband antenna
 Summary | Full Text:PDF(1.7MB)

Downsized Bow-Tie Antenna with Folded Elements
Mio NAGATOSHI Shingo TANAKA Satoru HORIUCHI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 1098-1104
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
wideband antennabow-tie antennafolded element
 Summary | Full Text:PDF(1.2MB)

Compact Built-In Handset MIMO Antenna Using L-Shaped Folded Monopole Antennas
Yongho KIM Toshiteru HAYASHI Yoshio KOYANAGI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 1743-1751
Type of Manuscript:  Special Section PAPER (Special Section on 2007 International Symposium on Antennas and Propagation)
Category: Smart Antennas & MIMO
Keyword: 
handset terminalfolded monopolemultiple-input multiple-output (MIMO)correlation coefficientmean effective gain (MEG)
 Summary | Full Text:PDF(1.9MB)

Characteristics of Built-In Folded Monopole Antenna for Handsets
Shogo HAYASHIDA Tomoki TANAKA Hisashi MORISHITA Yoshio KOYANAGI Kyohei FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/06/01
Vol. E88-B  No. 6  pp. 2275-2283
Type of Manuscript:  Special Section PAPER (Special Section on 2004 International Symposium on Antennas and Propagation)
Category: 
Keyword: 
handset antennafolded monopole antennalow profilesmall size
 Summary | Full Text:PDF(804.1KB)

Analysis of Built-In Antennas for Handsets by the Electromagnetic Simulators
Shogo HAYASHIDA Hisashi MORISHITA Kaoru HIRASAWA Tomoki TANAKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/11/01
Vol. E86-C  No. 11  pp. 2207-2215
Type of Manuscript:  Special Section PAPER (Special Issue on Analytical and Simulation Methods for Electromagnetic Wave Problems)
Category: 
Keyword: 
built-in antennashandsetelectromagnetic simulatorsbody effect
 Summary | Full Text:PDF(2.9MB)

Antennas for Wireless Terminals
Syu-ichi SEKINE Hiroki SHOKI Hisashi MORISHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1005-1015
Type of Manuscript:  INVITED PAPER (Special Issue on Historical Review of Antenna Systems in Japan)
Category: 
Keyword: 
antennawireless terminalbuilt-indiversity
 Summary | Full Text:PDF(1.2MB)

A Folded Loop Antenna System for Handsets Developed and Based on the Advanced Design Concept
Yongho KIM Hisashi MORISHITA Yoshio KOYANAGI Kyohei FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2468-2475
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Mobile Antennas
Keyword: 
small antennahandsetdesign conceptbalanced systembody effect
 Summary | Full Text:PDF(1.2MB)

Design of a Mode Converter for Quasi-Optical Amplifiers by Using 3D EM Simulation Software
Toshihisa KAMEI Hisashi MORISHITA Chun-Tung CHEUNG David B. RUTLEDGE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 955-960
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Applications of Electromagnetics Simulators
Keyword: 
quasi-opticsgrid amplifierelectromagnetic simulationwaveguidemode converter
 Summary | Full Text:PDF(2.9MB)

Analysis of Handset Antennas in the Vicinity of the Human Body by the Electromagnetic Simulator
Hisashi MORISHITA Yongho KIM Kyohei FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 937-947
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Applications of Electromagnetics Simulators
Keyword: 
antennahandsetelectromagnetic simulatormethod of momentbody effect
 Summary | Full Text:PDF(4.1MB)

A Balance-Fed Loop Antenna System for Handset
Hisashi MORISHITA Hiroki FURUUCHI Harushige IDE Zengo TANAKA Kyohei FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/07/25
Vol. E82-A  No. 7  pp. 1138-1143
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
antennahandsetbalanced feedloop configurationcurrent distribution
 Summary | Full Text:PDF(782.2KB)

A Circularly Polarized Broadband Rhombic Loop Antenna
Hisashi MORISHITA Kazuhiro HIRASAWA Tsukasa NAGAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/06/25
Vol. E79-B  No. 6  pp. 865-870
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
rhombic loop antennacircular polarizationbroadbandswitch of polarizationtraveling wave current distribution
 Summary | Full Text:PDF(479.4KB)

Circularly-Polarized Cavity-Backed Annular Slot Antenna with One Point Shorted
Hisashi MORISHITA Kazuhiro HIRASAWA Kyohei FUJIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/12/25
Vol. E74-B  No. 12  pp. 4096-4098
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
 Summary | Full Text:PDF(148.6KB)