Tomoyuki FURUICHI

RF Signal Frequency Identification in a Direct RF Undersampling Multi-Band Real-Time Spectrum Monitor for Wireless IoT Usage
Tomoyuki FURUICHI Mizuki MOTOYOSHI Suguru KAMEDA Takashi SHIBA Noriharu SUEMATSU 
Publication:   
Publication Date: 2022/04/01
Vol. E105-B  No. 4  pp. 461-471
Type of Manuscript:  Special Section PAPER (Special Section on Wired-and-Wireless Network System Technologies in Beyond 5G Era)
Category: Software Defined Radio
Keyword: 
real-time spectrum monitor, direct RF, undersampling, wireless communication, Internet of Things, 
 Summary | Full Text:PDF
A Spectrum Regeneration and Demodulation Method for Multiple Direct Undersampled Real Signals
Takashi SHIBA Tomoyuki FURUICHI Mizuki MOTOYOSHI Suguru KAMEDA Noriharu SUEMATSU 
Publication:   
Publication Date: 2021/10/01
Vol. E104-B  No. 10  pp. 1260-1267
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Sharing for Future Wireless Systems)
Category: 
Keyword: 
direct undersampling, real signal, sub-nyquist, spectrum regeneration, compressed sensing, IoT, demodulation, 
 Summary | Full Text:PDF
A Filter Design Method of Direct RF Undersampling On-Board Receiver for Ka-Band HTS
Tomoyuki FURUICHI Yang GUI Mizuki MOTOYOSHI Suguru KAMEDA Takashi SHIBA Noriharu SUEMATSU 
Publication:   
Publication Date: 2020/10/01
Vol. E103-B  No. 10  pp. 1078-1085
Type of Manuscript:  Special Section PAPER (Special Section on New Era of Satellite Communication/Broadcasting/Application Technologies)
Category: 
Keyword: 
high throughput satellite, broadband, direct RF, undersampling, receiver, filter design, 
 Summary | Full Text:PDF