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IEICE Trans

Atsushi FUKUDA

Novel System Design and Configuration for High-Speed Channel-Bonding Transmission Using Wide Bandwidth in Sub-Terahertz Bands
Atsushi FUKUDA Hiroshi HAMADA Junya MATSUDAIRA Sumire AOKI Fumihiko HADA Yasunori SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/12/01
Vol. E108-C  No. 12  pp. 603-612
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
channel bonding, sub-terahertz, multiplexing, demultiplexing, high speed transmission, 
 Summary | Full Text:PDF
Experimental Study on Sub-Terahertz Wideband Single-Carrier Transmitter with Pre-Equalizing Frequency Response
Atsushi FUKUDA Hiroto YAMAMOTO Junya MATSUDAIRA Sumire AOKI Yasunori SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/10/01
Vol. E107-C  No. 10  pp. 332-339
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
sub-THz, single-carrier transmission, wideband transmission, pre-equalization, 
 Summary | Full Text:PDF
Novel Configuration for Phased-Array Antenna System Employing Frequency-Controlled Beam Steering Method
Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2022/12/01
Vol. E105-C  No. 12  pp. 740-749
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
analog beam forming, beam steering, broadband communication, phased arrays, RF local signal phase control, 
 Summary | Full Text:PDF
Compact Tunable Isolator with a Variable Capacitor
Takayuki FURUTA Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/01/01
Vol. E96-C  No. 1  pp. 84-92
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
multi-band, tunable, isolator, varactor diode, 
 Summary | Full Text:PDF
Low-Loss Matching Network Design for Band-Switchable Multi-Band Power Amplifier
Atsushi FUKUDA Takayuki FURUTA Hiroshi OKAZAKI Shoichi NARAHASHI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1172-1181
Type of Manuscript:  Special Section PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies)
Category: 
Keyword: 
power amplifier, reconfigurable, matching network, multi-band, switch, 
 Summary | Full Text:PDF
Highly Efficient Multi-Band Power Amplifier Employing Reconfigurable Matching and Biasing Networks
Atsushi FUKUDA Hiroshi OKAZAKI Shoichi NARAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 949-957
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
power amplifier, reconfigurable, matching network, biasing network, multi-band, switch, microelectro mechanical systems, 
 Summary | Full Text:PDF
Novel Band-Reconfigurable High Efficiency Power Amplifier Employing RF-MEMS Switches
Atsushi FUKUDA Hiroshi OKAZAKI Tetsuo HIROTA Yasushi YAMAO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/11/01
Vol. E88-C  No. 11  pp. 2141-2149
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
band-switchable matching network, microelectro mechanical devices, multi-band, switches, power amplifiers, 
 Summary | Full Text:PDF