[time] 2022-07-02T10:20:56+02:00 [track] 3 [team_name] X-lab [team_institution] Nanjing University of Aeronautics and Astronautics, College of Automation [logolink] [team_members] [reference_person] Cui yan [reference_email] cuiyan@nuaa.edu.cn [description_short] This team belongs to the Navigation Research Center (NRC) in Nanjing University of Aeronautics and Astronautics, College of Automation. Our team has long been engaged in research related to indoor positioning and pedestrian navigation technologies. The team's instructor is Professor Xiong Zhi, and the team members are: Cui Yan, Li Xiaodong, Ding Yiming, Chen Zhixin, Sun Yinhui, and Wang Zhengchun. The system is mainly divided into two parts: model training and location estimation. The model training part mainly includes map feature construction, pedestrian step estimation model, floor estimation model and action modal recognition model; the location estimation part mainly includes pedestrian heading projection, location correction based on map features and floor ID estimation. Position estimation is performed by sensor information, position correction is performed by using the trained model, and the final trajectory is generated. [description_long_link] https://github.com/Heydo666/Long-System-description-for-IPIN2022.git [publish_check_] true [results_check_] true [data_check_] true [pdf_check_] true [video_check_] true