Shigeki TAKEDA


A Feasibility Study on the Safety Confirmation System Using NFC and UHF Band RFID Tags
Shigeki TAKEDA Kenichi KAGOSHIMA Masahiro UMEHIRA 
Publication:   
Publication Date: 2019/09/01
Vol. E102-D  No. 9  pp. 1673-1675
Type of Manuscript:  Special Section LETTER (Special Section on Log Data Usage Technology and Office Information Systems)
Category: System Construction Techniques
Keyword: 
safety confirmation systemdisasterNFCUHF band RFID tag
 Summary | Full Text:PDF

Improving Performance by Countering Human Body Shadowing in 60GHz Band Wireless Systems by Using Two Transmit and Two Receive Antennas
Tomoaki NAGAYAMA Shigeki TAKEDA Masahiro UMEHIRA Kenichi KAGOSHIMA Teruyuki MIYAJIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Vol. E99-B  No. 2  pp. 422-429
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
60GHz bandshadowinghuman bodyarray antenna
 Summary | Full Text:PDF