Masahiko SHIMIZU


Double Space Time Transmit Diversity OFDM System with Antenna Shuffling in Spatial Correlated Frequency Selective MIMO Channels
Liang ZHOU Masahiko SHIMIZU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2588-2599
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
antenna shufflingcondition numberdouble space time transmit diversity (DSTTD)linear receiversorthogonal frequency division multiplexing (OFDM)
 Summary | Full Text:PDF(792.9KB)

Analytical Evaluation of Analog Component Effects on AMC Performance in HSDPA System
Masahiko SHIMIZU Akira ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 302-311
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
HSDPADS-CDMAAMCsynthesizerI/Q-channel imbalancefilter
 Summary | Full Text:PDF(738KB)

60-GHz Virtual Common-Drain-Biased Oscillator Design Using an Empirical HEMT Model
Kazuo SHIRAKAWA Yoshihiro KAWASAKI Masahiko SHIMIZU Yoji OHASHI Tamio SAITO Naofumi OKUBO Yashimasa DAIDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/08/25
Vol. E79-C  No. 8  pp. 1144-1151
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
HEMTlarge-signalMillimeter-waveoscillatorvirtual common-drain
 Summary | Full Text:PDF(677.4KB)