Indoor Navigation System by Combining Ultrasonic Wave TOA and Inertial Measurement. - Romprakhun Tientadakul; Hiroaki Nakanishi; Tomoo Shiigi; Zichen Huang; Lok Wai Jacky Tsay; Naoshi Kondo (SICE, 2020)

Spread Spectrum Sound with TDMA and INS Hybrid Navigation System for Indoor Environment. - Romprakhun Tientadakul; Hiroaki Nakanishi; Tomoo Shiigi; Zichen Huang; Lok Wai Jacky Tsay; Naoshi Kondo (J. Robotics Mechatronics, 2021)