[time] 2022-08-30T11:31:25+02:00 [track] 3 [team_name] XMU_ATR [team_institution] Xiamen University [logolink] [team_members] Shiyu Zheng, Xueting Xu, Zhihe Zhou, Yuwen Guo, Ao Peng, Lingxiang Zheng [reference_person] Lingxiang Zheng [reference_email] lxzheng@xmu.edu.cn [description_short] we have adopted a new multi-sensor fusion indoor positioning system based on PDR, WIFI and magnetic field. In our indoor positioning system, we regard PDR as a system model, consider the WIFI, magnetic field and GNSS as an observation model, and use the factor graph to fuse the information. Finally, the particle filter is used to do the map matching and obtain the positioning result. [description_long_link] https://box.xmu.edu.cn/share/b2cd35897a7289ee3756adbd8b password: br61 [publish_check_] true [results_check_] true [data_check_] true [pdf_check_] false [video_check_] false