Collaborative Radio SLAM for Multiple Robots based on WiFi Fingerprint Similarity. - Liu, Ran; Qin, Zhenghong; Zhang, Hua; Lau, Billy Pik Lik; Ismail, Khairuldanial; Athukorala, Achala; Yuen, Chau; Guan, Yong Liang; Tan, U-Xuan (2021)