Takayuki TSUKIZAWA


A 60 GHz Hybrid Analog/Digital Beamforming Receiver with Interference Suppression for Multiuser Gigabit/s Radio Access
Koji TAKINAMI Hiroyuki MOTOZUKA Tomoya URUSHIHARA Masashi KOBAYASHI Hiroshi TAKAHASHI Masataka IRIE Takenori SAKAMOTO Yohei MORISHITA Kenji MIYANAGA Takayuki TSUKIZAWA Noriaki SAITO Naganori SHIRAKATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/07/01
Vol. E99-C  No. 7  pp. 856-865
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
IEEE 802.11adWiGig60 GHzdirect conversionCMOSbeamforminginterference suppressioninterference rejection combining
 Summary | Full Text:PDF(2.2MB)

A 1µs Settling Time Fully Digital AGC System with a 1GHz-Bandwidth Variable Gain Amplifier for WiGig/IEEE802.11ad Multi-Gigabit Wireless Transceivers
Ryo KITAMURA Koichiro TANAKA Tadashi MORITA Takayuki TSUKIZAWA Koji TAKINAMI Noriaki SAITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1301-1310
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
variable gain amplifier (VGA)automatic gain control (AGC)digitally-controlledwide-bandwidthwide gain rangeCMOS60GHz
 Summary | Full Text:PDF(3.8MB)

A 60 GHz CMOS Transceiver IC for a Short-Range Wireless System with Amplitude/Phase Imbalance Cancellation Technique
Koji TAKINAMI Junji SATO Takahiro SHIMA Mitsuhiro IWAMOTO Taiji AKIZUKI Masashi KOBAYASHI Masaki KANEMARU Yohei MORISHITA Ryo KITAMURA Takayuki TSUKIZAWA Koichi MIZUNO Noriaki SAITO Kazuaki TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/10/01
Vol. E95-C  No. 10  pp. 1598-1609
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
CMOSmillimeter-wavedirect conversionamplitude/phase imbalancephase locked loop (PLL)injection locked frequency dividercalibrationpush-push voltage controlled oscillator60 GHz
 Summary | Full Text:PDF(5.5MB)