Ryosuke FUJIWARA


UWB-IR Wireless Accurate Location System for Sensor Network
Kenichi MIZUGAKI Tatsuo NAKAGAWA Ryosuke FUJIWARA Shinsuke KOBAYASHI Noboru KOSHIZUKA Ken SAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1432-1437
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
UWB-IRwireless locationTDOAHDOP
 Summary | Full Text:PDF

TOA/TDOA Hybrid Relative Positioning System Based on UWB-IR Technology
Ryosuke FUJIWARA Kenichi MIZUGAKI Tatsuo NAKAGAWA Daisuke MAEDA Masayuki MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 1016-1024
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
impulse radiopositioningrangingUWBWPAN
 Summary | Full Text:PDF

Accurate TOA Estimating UWB-IR Transceiver for Ranging System in Multi-Path Environment
Ryosuke FUJIWARA Kenichi MIZUGAKI Goichi ONO Tatsuo NAKAGAWA Takayasu NORIMATSU Takahide TERADA Akira MAEKI Masayuki MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 777-785
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
positioningrangingsensor networkultra wideband impulse radio
 Summary | Full Text:PDF

0.7-GHz-Bandwidth DS-UWB-IR System for Low-Power Wireless Communications
Ryosuke FUJIWARA Akira MAEKI Kenichi MIZUGAKI Goichi ONO Tatsuo NAKAGAWA Takayasu NORIMATSU Masaru KOKUBO Masayuki MIYAZAKI Yasuyuki OKUMA Miki HAYAKAWA Shinsuke KOBAYASHI Noboru KOSHIZUKA Ken SAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2  pp. 518-526
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
impulse radioLR-WPANUWBwireless sensor networks
 Summary | Full Text:PDF