Wang, Wei, Cunhua Wang, Zhaoba Wang, and Xiaoqian Zhao. “An Improved PDR Localization Algorithm Based on Particle Filter”. Computing and Informatics 39, no. 1-2 (February 29, 2020): 340–360. Accessed April 30, 2025. https://www.cai.sk/ojs/index.php/cai/article/view/2020_1-2_340.