Ichihiko TOYODA

A Beam-Switchable Self-Oscillating Active Integrated Array Antenna Using Gunn Oscillator and Magic-T
Maodudul HASAN Eisuke NISHIYAMA Ichihiko TOYODA 
Publication:   
Publication Date: 2021/11/01
Vol. E104-B  No. 11  pp. 1419-1428
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
active integrated antenna, Gunn oscillator, beam switching, reconfigurable, 
 Summary | Full Text:PDF
Analyses of Antenna Displacement in Short-Range MIMO Transmission over Millimeter-Wave
Ken HIRAGA Tomohiro SEKI Kentaro NISHIMORI Kenjiro NISHIKAWA Ichihiko TOYODA Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/10/01
Vol. E94-B  No. 10  pp. 2891-2895
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
short-range, MIMO, millimeter-wave, antennas, parallel transmission, 
 Summary | Full Text:PDF
Interference Analysis from Impulse Radio UWB Systems Using Simple Signal Models
Yasuo SUZUKI Ichihiko TOYODA Masahiro UMEHIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 3092-3099
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
UWB, impulse radio, interference, Dirac delta function, kurtosis, Gaussian noise, 
 Summary | Full Text:PDF
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), PHS, wireless LAN, multiprocessor architecture, over-the-air download, 
 Summary | Full Text:PDF
Three-Dimensional MMIC Technology on Silicon: Review and Recent Advances
Belinda PIERNAS Kenjiro NISHIKAWA Kenji KAMOGAWA Ichihiko TOYODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/07/01
Vol. E85-C  No. 7  pp. 1394-1403
Type of Manuscript:  INVITED PAPER (Special Issue on Silicon RF Device & Integrated Circuit Technologies)
Category: 
Keyword: 
three-dimensional, MMIC, silicon, masterslice, single-chip transceiver, 
 Summary | Full Text:PDF
Quick Development of Multifunctional MMICs by Using Three-Dimensional Masterslice MMIC Technology
Ichihiko TOYODA Makoto HIRANO Masami TOKUMITSU Yuhki IMAI Kenjiro NISHIKAWA Kenji KAMOGAWA Suehiro SUGITANI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11  pp. 1951-1959
Type of Manuscript:  INVITED PAPER (Special Issue on High-Frequency/High-Speed Devices for Information and Communication Systems in the 21st Century)
Category: Low Power-Consumption RF ICs
Keyword: 
three-dimensional, MMIC, masterslice, LMDS, quick development, down-converter, 
 Summary | Full Text:PDF
Wide-Band Subharmonically Injection-Locked Oscillators Using Three-Dimensional MMIC Technology
Kenji KAMOGAWA Ichihiko TOYODA Tsuneo TOKUMITSU Kenjiro NISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/06/25
Vol. E81-C  No. 6  pp. 848-855
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Module Technology)
Category: Functional Modules and the Design Technology
Keyword: 
frequency synthesizer, injection-locked oscillator, millimeter-wave, MMIC, masterslice, three-dimensional, 
 Summary | Full Text:PDF
An 11-GHz-Band Subharmonic-Injection-Locked Oscillator MMIC
Kenji KAMOGAWA Ichihiko TOYODA Tsuneo TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 925-930
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
injection locking oscillator, synthesizer, MMIC, external feedback, subharmonic, 
 Summary | Full Text:PDF
Three-Dimensional MMIC and Its Application: An Ultra-Wideband Miniature Balun
Ichihiko TOYODA Makoto HIRANO Tsuneo TOKUMITSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/08/25
Vol. E78-C  No. 8  pp. 919-924
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
three-dimensional, MMIC, balun, multilayer, U-shaped micro-wire, 
 Summary | Full Text:PDF
Three-Dimensional Passive Elements for Compact GaAs MMICs
Makoto HIRANO Yuhki IMAI Ichihiko TOYODA Kenjiro NISHIKAWA Masami TOKUMITSU Kazuyoshi ASAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/06/25
Vol. E76-C  No. 6  pp. 961-967
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter-Wave Technology for Advanced Functions and Size-Reductions)
Category: 
Keyword: 
three-dimensional, passive elements, GaAs, MMICs, 
 Summary | Full Text:PDF