MIMO VLC positioning system based on LEDs utilizing diversity reception technology. - Yingjun Zhou; Yinfan Xu; Zhixin Wang; Nan Chi; Xiaoyuan Lu (WCSP, 2015)

Reversed Three-Dimensional Visible Light Indoor Positioning Utilizing Annular Receivers with Multi-Photodiodes. - Yinfan Xu; Jiaqi Zhao 007; Jianyang Shi; Nan Chi (Sensors, 2016)