1. Feng, M., & Bing, N. I. (2017). Research on application of main indoor positioning technology. Modern Architecture Electric, 2, 21–25.
2. He, S., & Chan, S. H. G. (2018). Tilejunction: mitigating signal noise for fingerprint-based indoor localization. IEEE Transactions on Mobile Computing, 15(6), 1554–1568.
3. Zhang, W., Hua, X., & Qiu, W. (2017). A new combinatorial optimization algorithm for WiFi positioning. Engineering of Surveying and Mapping., 26(3), 14–18.
4. Zhou, M., Tang, Y., & Tian, Z. (2016). Reducing calibration effort for indoor WLAN localization using hybrid fingerprint database (pp. 159–168). Berlin: Springer.
5. Jan, S. S., Yeh, S. J., & Liu, Y. W. (2015). Received signal strength database interpolation by Kriging for a Wi-Fi indoor positioning system. Sensors, 15(9), 21377–21393.