Position estimation and path control of an autonomous land vehicle. - Norihisa Miyake; Toshihiro Aono; Kenjiro Fujii; Yuji Matsuda; Shintaro Hatsumoto (IROS, 1997)

Positioning of Vehicle on Undulating Ground Using GPS and Dead Reckoning. - Toshihiro Aono; Kenjiro Fujii; Shintaro Hatsumoto; Takayuki Kamiya (ICRA, 1998)

GPS-based indoor positioning system with multi-channel pseudolite. - Haruhiko Niwa; Kenri Kodaka; Yoshihiro Sakamoto; Masaumi Otake; S. Kawaguchi; Kenjiro Fujii; Yuki Kanemori; Shigeki Sugano (ICRA, 2008)

High-accuracy IMES localization using a movable receiver antenna and a three-axis attitude sensor. - Yoshihiro Sakamoto; Hiroaki Arie; Takuji Ebinuma; Kenjiro Fujii; Shigeki Sugano (IPIN, 2011)

GPS-compatible indoor-positioning methods for indoor-outdoor seamless robot navigation. - Yoshihiro Sakamoto; Takuji Ebinuma; Kenjiro Fujii; Shigeki Sugano (ARSO, 2012)

Doppler positioning with orientation estimation by using multiple transmitters for high-accuracy IMES localization. - Yoshihiro Sakamoto; Takuji Ebinuma; Kenjiro Fujii; Shigeki Sugano (IPIN, 2012)

Real-time kinematic Doppler pose estimation for IMES. - Yoshihiro Sakamoto; Takuji Ebinuma; Kenjiro Fujii; Shigeki Sugano (AIM, 2013)

Doppler pose estimation using multiple IMES transmitters for indoor localisation. - Yoshihiro Sakamoto; Takuji Ebinuma; Kenjiro Fujii; Shigeki Sugano (J. Locat. Based Serv., 2014)

Methods for improving IMES transmitters: Transmission diversity, variable beamwidth antenna, and leaky coaxial cable. - Kenjiro Fujii; Takamasa Kawaguchi; Hisanori Matsumoto; Makoto Tanikawara; Takashi Toyama; Yoshihiro Sakamoto; Wei Wang 066; Hiroaki Arie; Alexander Schmitz; Shigeki Sugano (SII, 2015)

Development of IMES signal transmitters. - Takamasa Kawaguchi; Kenjiro Fujii; Makoto Tanikawara; Yoshihiro Sakamoto (SII, 2015)

Hyperbolic Positioning with Antenna Arrays and Multi-Channel Pseudolite for Indoor Localization. - Kenjiro Fujii; Yoshihiro Sakamoto; Wei Wang 066; Hiroaki Arie; Alexander Schmitz; Shigeki Sugano (Sensors, 2015)

A combined approach of Doppler and carrier-based hyperbolic positioning with a multi-channel GPS-pseudolite for indoor localization of robots. - Kenjiro Fujii; Ryosuke Yonezawa; Yoshihiro Sakamoto; Alexander Schmitz; Shigeki Sugano (IPIN, 2016)

Improving IMES Localization Accuracy by Integrating Dead Reckoning Information. - Kenjiro Fujii; Hiroaki Arie; Wei Wang 066; Yuto Kaneko; Yoshihiro Sakamoto; Alexander Schmitz; Shigeki Sugano (Sensors, 2016)