State Estimation Method Using Radio Wave Intensity of BLE Beacon Installed Inside Object. - Yuki Ogane; Ryoga Mizuno; Katsuhiko Kaji (ICDCN (Adjunct Volume), 2021)

Monitoring Wheelchair Users in Care Facilities with BLE Beacons Attached to Wheels. - Yuki Ogane; Yu Enokibori; Katsuhiko Kaji (ICMU, 2021)