R. M Kumar, A. Joseph, I. Johny, N. Biju, and yedhu Krishnan, “A Literature Review On Indoor Localization and Navigation for Campus”, IJERA, vol. 6, no. 1, pp. 14–17, May 2026, Accessed: May 29, 2026. [Online]. Available: https://ijera.in/index.php/IJERA/article/view/369