Hiroyuki SHIBA


26 GHz Band Extremely Low-Profile Front-End Configuration Employing Integrated Modules of Patch Antennas and SIW Filters
Yasunori SUZUKI Takana KAHO Kei SATOH Hiroshi OKAZAKI Maki ARAI Yo YAMAGUCHI Shoichi NARAHASHI Hiroyuki SHIBA 
Publication:   
Publication Date: 2017/12/01
Vol. E100-C  No. 12  pp. 1097-1107
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
array antennaSIW filter3D-MMIClower profileradio access unit
 Summary | Full Text:PDF(1.8MB)

Concurrent Multi-Band Mixer with Independent and Linear Gain Control
Takana KAHO Yo YAMAGUCHI Hiroyuki SHIBA Tadao NAKAGAWA Kazuhiro UEHARA Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 659-668
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Circuits/Devices/Monolithic Microwave Integrated Circuits
Keyword: 
concurrent multi-band mixerdual-bandtriple-bandSiGe BiCMOSflexible wireless system
 Summary | Full Text:PDF(1.6MB)

Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System
Takayuki YAMADA Doohwan LEE Hiroyuki SHIBA Yo YAMAGUCHI Kazunori AKABANE Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1085-1092
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
Flexible Wireless Systemsignal separationsignal reconstructionshort-time Fourier transform
 Summary | Full Text:PDF(1.7MB)

Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System
Doohwan LEE Takayuki YAMADA Hiroyuki SHIBA Yo YAMAGUCHI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3238-3247
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
compressed sensingcompressive samplingheterogeneous network systeml1-minimizationcognitive radio
 Summary | Full Text:PDF(1.5MB)

Performance Evaluation of an Autonomous Adaptive Base Station that Supports Multiple Wireless Network Systems
Kazunori AKABANE Hiroyuki SHIBA Munehiro MATSUI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 22-28
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Cognitive Network
Keyword: 
autonomous adaptive controlsoftware defined radiobase stationresource controlmulti-link communication
 Summary | Full Text:PDF(1.3MB)

Design and Performance Evaluation of IEEE 802.11a SDR Software Implemented on a Reconfigurable Processor
Kazunori AKABANE Hiroyuki SHIBA Munehiro MATSUI Kiyoshi KOBAYASHI Katsuhiko ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/11/01
Vol. E88-B  No. 11  pp. 4163-4169
Type of Manuscript:  Special Section PAPER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radioreconfigurable processorwireless LANIEEE 802.11a
 Summary | Full Text:PDF(1.9MB)

A 2.4-GHz Temperature-Compensated CMOS LC-VCO for Low Frequency Drift Low-Power Direct-Modulation GFSK Transmitters
Toru TANZAWA Kenichi AGAWA Hiroyuki SHIBAYAMA Ryota TERAUCHI Katsumi HISANO Hiroki ISHIKURO Shouhei KOUSAI Hiroyuki KOBAYASHI Hideaki MAJIMA Toru TAKAYAMA Masayuki KOIZUMI Fumitoshi HATORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 490-495
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Analog
Keyword: 
GFSKCMOS LC-VCOBluetoothdirect modulationlow power
 Summary | Full Text:PDF(3.1MB)

Software Defined Radio Prototype for PHS and IEEE 802.11 Wireless LAN
Hiroyuki SHIBA Takashi SHONO Yushi SHIRATO Ichihiko TOYODA Kazuhiro UEHARA Masahiro UMEHIRA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2694-2702
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radio (SDR)PHSwireless LANmultiprocessor architectureover-the-air download
 Summary | Full Text:PDF(2.4MB)

Performance Evaluations of Communication Systems Employing Stratospheric Aircrafts and LEO Satellites
Shigeru SHIMAMOTO Takanori MIKOSHIBA Shinya TAKAKUSAGI Masatoshi HAYASHI Hiroyuki SHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2343-2350
Type of Manuscript:  Special Section PAPER (Special Issue on the Latest Development of Telecommunication Research)
Category: Wireless Communication Systems
Keyword: 
stratospheric aircraftLEO satelliteshadowingmultipath fading
 Summary | Full Text:PDF(759.2KB)