Toshifumi SATO


Performance Evaluation of Downlink Multi-User Massive MIMO with Configurable Active Antenna System and Inter Access Point Coordination in Low-SHF-Band
Yi JIANG Kenichiro YAMAZAKI Toshihiro HAYATA Kohei IZUI Kanada NAKAYASU Toshifumi SATO Tatsuki OKUYAMA Jun MASHINO Satoshi SUYAMA Yukihiko OKUMURA 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1401-1410
Type of Manuscript:  Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G and Beyond)
Category: 
Keyword: 
5GMassive MIMOlow-SHF-bandMU-MIMObeamformingC-RANCBCoMP
 Summary | Full Text:PDF(5.3MB)

Two-Dimensional Simulation of Electric Field and Carrier Concentration of Low-Temperature N-Channel Poly-Si LDD TFTs
Yukisato NOGAMI Toshifumi SATOH Hiroyuki TANGO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 983-987
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
Category: Junction Formation and TFT Reliability
Keyword: 
n-channel poly-Si LDD TFTdevice simulationelectric field distributioncarrier concentration distributionhot-carrier degradation
 Summary | Full Text:PDF(630.6KB)

Quantitative Evaluation of Luminance Nonuniformity "Mura" in LCDs Based on Just Noticeable Difference (JND) Contrast at Various Background Luminances
Tohru TAMURA Toshifumi SATOH Takayuki UCHIDA Takashi FURUHATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/10/01
Vol. E89-C  No. 10  pp. 1435-1440
Type of Manuscript:  INVITED PAPER (Special Section on Electronic Displays)
Category: 
Keyword: 
image qualityLCDluminancenonuniformityJND contrast
 Summary | Full Text:PDF(501.5KB)