3-D localisation system using 4 anchors employing ultra-wideband impulse radio. - Hung Tu Dinh 001; Choi Look Law; Rejina Choi Ling Wei (ICICS, 2015)

High precision UWB-IR indoor positioning system for IoT applications. - Rejina Choi Ling Wei; Ankur Gupta; Ankush Vashistha; Manmohan Sharma; Choi Look Law (WF-IoT, 2018)