[1] A. Basiri et al., "Indoor location based services challenges, requirements and usability of current solutions," Computer Science Review, vol. 24, pp. 1-12, 2017.
[2] R. F. Brena, J. P. García-Vázquez, C. E. Galván-Tejada, D. Muñoz-Rodriguez, C. Vargas-Rosales, and J. Fangmeyer, "Evolution of indoor positioning technologies: A survey," Journal of Sensors, vol. 2017, 2017.
[3] S. He and S.-H. G. Chan, "Wi-Fi fingerprint-based indoor positioning: Recent advances and comparisons," IEEE Communications Surveys & Tutorials, vol. 18, no. 1, pp. 466-490, 2015.
[4] F. Mazhar, M. G. Khan, and B. Sällberg, "Precise indoor positioning using UWB: A review of methods, algorithms and implementations," Wireless Personal Communications, vol. 97, no. 3, pp. 4467-4491, 2017.
[5] A. Alarifi et al., "Ultra wideband indoor positioning technologies: Analysis and recent advances," Sensors, vol. 16, no. 5, p. 707, 2016.
[6] F. Zafari, A. Gkelias, and K. K. Leung, "A survey of indoor localization systems and technologies," IEEE Communications Surveys & Tutorials, vol. 21, no. 3, pp. 2568-2599, 2019.
[7] R. Faragher and R. Harle, "Location fingerprinting with bluetooth low energy beacons," IEEE journal on Selected Areas in Communications, vol. 33, no. 11, pp. 2418-2428, 2015.
[8] S. Sadowski and P. J. I. A. Spachos, "Rssi-based indoor localization with the internet of things," vol. 6, pp. 30149-30161, 2018.
[9] K. E. Jeon, J. She, P. Soonsawad, and P. C. Ng, "Ble beacons for internet of things applications: Survey, challenges, and opportunities," IEEE Internet of Things Journal, vol. 5, no. 2, pp. 811-828, 2018.
[10] J. Rezazadeh, R. Subramanian, K. Sandrasegaran, X. Kong, M. Moradi, and F. Khodamoradi, "Novel iBeacon placement for indoor positioning in IoT," IEEE Sensors Journal, vol. 18, no. 24, pp. 10240-10247, 2018.
[11] W. Sakpere, M. Adeyeye-Oshin, and N. B. Mlitwa, "A state-of-the-art survey of indoor positioning and navigation systems and technologies," South African Computer Journal, vol. 29, no. 3, pp. 145-197, 2017.
[12] G. Li, E. Geng, Z. Ye, Y. Xu, J. Lin, and Y. Pang, "Indoor positioning algorithm based on the improved RSSI distance model," Sensors, vol. 18, no. 9, p. 2820, 2018.
[13] R. S. Sinha, Y. Wei, and S.-H. Hwang, "A survey on LPWA technology: LoRa and NB-IoT," Ict Express, vol. 3, no. 1, pp. 14-21, 2017.
[14] B. C. Fargas and M. N. Petersen, "GPS-free geolocation using LoRa in low-power WANs," in 2017 Global Internet of Things Summit (GIoTS), 2017, pp. 1-6.
[15] M. Driusso, C. Marshall, M. Sabathy, F. Knutti, H. Mathis, and F. Babich, "Indoor positioning using LTE signals," in 2016 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2016, pp. 1-8.
[16] E. D. Kaplan and C. Hegarty, Understanding GPS/GNSS: principles and applications. Artech house, 2017.
[17] A. Astafiev, A. Zhiznyakov, and D. Privezentsev, "Development of indoor positioning algorithm based on Bluetooth Low Energy beacons for building RTLS-systems," in 2019 International Russian Automation Conference (RusAutoCon), 2019, pp. 1-5: IEEE.
[18] 朱翊雯, "結合 TOA 及 AOA 混合式定位技術於地面無線定位之應用," 碩士, 電機工程學系, 國立成功大學, 台南市, 2015.[19] M. Wang, J. Tan, and Y. Li, "Design and implementation of enterprise asset management system based on IOT technology," in 2015 IEEE international conference on communication software and networks (ICCSN), 2015, pp. 384- 388: IEEE.
[20] K. Samir, A. Maffei, and M. A. J. P. C. Onori, "Real-Time asset tracking; a starting point for digital twin implementation in manufacturing," vol. 81, pp. 719-723, 2019.
[21] M. O. Thomas and B. B. J. I. J. I. T. C. S. Rad, "Reliability evaluation metrics for internet of things, car tracking system: a review," vol. 9, no. 2, pp. 1-10, 2017.
[22] R.-S. Hsiao, C.-H. Kao, T.-X. Chen, J.-L. J. T. Chen, and H. Care, "A passive RFID- based location system for personnel and asset monitoring," vol. 26, no. 1, pp. 11-16, 2018.
[23] S. Xu, H. Zhou, C. Wu, C.-M. Huang, and S. J. I. A. Moon, "Spatial signal attenuation model of active RFID tags," vol. 6, pp. 6947-6960, 2018.