Kosuke KATAYAMA


300-GHz-Band OFDM Video Transmission with CMOS TX/RX Modules and 40dBi Cassegrain Antenna toward 6G
Yohei MORISHITA Sangyeop LEE Toshihiro TERAOKA Ruibing DONG Yuichi KASHINO Hitoshi ASANO Shinsuke HARA Kyoya TAKANO Kosuke KATAYAMA Takenori SAKAMOTO Naganori SHIRAKATA Koji TAKINAMI Kazuaki TAKAHASHI Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   
Publication Date: 2021/10/01
Vol. E104-C  No. 10  pp. 576-586
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
6GTHz300GHzCassegrain antennaOFDMCMOStransmitterreceivermodule
 Summary | Full Text:PDF(4MB)

32-Gbit/s CMOS Receivers in 300-GHz Band
Shinsuke HARA Kosuke KATAYAMA Kyoya TAKANO Ruibing DONG Issei WATANABE Norihiko SEKINE Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 464-471
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
ReceiverCMOS integrated circuitsterahertzfrequency conversion mixersfrequency multipliersamplifiersquadrature amplitude modulation
 Summary | Full Text:PDF(3MB)

Compact 141-GHz Differential Amplifier with 20-dB Peak Gain and 22-GHz 3-dB Bandwidth
Shinsuke HARA Kosuke KATAYAMA Kyoya TAKANO Issei WATANABE Norihiko SEKINE Akifumi KASAMATSU Takeshi YOSHIDA Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/10/01
Vol. E99-C  No. 10  pp. 1156-1163
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: 
Keyword: 
millimeter wave circuitsCMOS processamplifiersfrequency estimation
 Summary | Full Text:PDF(1.4MB)

Tehrahertz CMOS Design for Low-Power and High-Speed Wireless Communication
Minoru FUJISHIMA Shuhei AMAKAWA Kyoya TAKANO Kosuke KATAYAMA Takeshi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1091-1104
Type of Manuscript:  INVITED PAPER (Special Section on Terahertz Waves Coming to the Real World)
Category: 
Keyword: 
high-frequency circuit designCMOSmillimeter waveterahertz
 Summary | Full Text:PDF(5.3MB)

E-Band 65nm CMOS Low-Noise Amplifier Design Using Gain-Boost Technique
Kosuke KATAYAMA Mizuki MOTOYOSHI Kyoya TAKANO Chen Yang LI Shuhei AMAKAWA Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/06/01
Vol. E97-C  No. 6  pp. 476-485
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
body biascoupled resonatordevice modelingE-band communicationmillimeter waveoptimizer
 Summary | Full Text:PDF(5.1MB)

135GHz 98mW 10Gbps CMOS Amplitude Shift Keying Transmitter and Receiver Chipset
Mizuki MOTOYOSHI Naoko ONO Kosuke KATAYAMA Kyoya TAKANO Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 86-93
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: Implementation
Keyword: 
CMOSD-bandhigh-speedwirelessASK transceivershort-millimeter-wave
 Summary | Full Text:PDF(3.4MB)

Modeling of Short-Millimeter-Wave CMOS Transmission Line with Lossy Dielectrics with Specific Absorption Spectrum
Kyoya TAKANO Shuhei AMAKAWA Kosuke KATAYAMA Mizuki MOTOYOSHI Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1311-1318
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
CMOSlossy dielectricsmodelingshort-millimeter wavetransmission line
 Summary | Full Text:PDF(1.3MB)

Bias-Voltage-Dependent Subcircuit Model for Millimeter-Wave CMOS Circuit
Kosuke KATAYAMA Mizuki MOTOYOSHI Kyoya TAKANO Ryuichi FUJIMOTO Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/06/01
Vol. E95-C  No. 6  pp. 1077-1085
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
parameter extractionMOSFET modelingmillimeter wave
 Summary | Full Text:PDF(2.3MB)

Analysis of De-Embedding Error Cancellation in Cascade Circuit Design
Kyoya TAKANO Ryuichi FUJIMOTO Kosuke KATAYAMA Mizuki MOTOYOSHI Minoru FUJISHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/10/01
Vol. E94-C  No. 10  pp. 1641-1649
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Measurement Techniques
Keyword: 
de-embeddingTRLcascade circuit
 Summary | Full Text:PDF(1.9MB)