• Aditya Deshpande
• Ketki Ganu
• Tanmay Bhawsar
• Saloni Bhingarde
• Vandana Roopnar

Indoor positioning has its roots in the limitations of GPS. As far as its scope is concerned, it plays a vital role in increasing the positioning accuracy when the radius of targeted location is decreased. There are more than one ways to achieve this goal. If the use of hardware technology is subjected, RFID, Wi-Fi networks, Bluetooth, Ultra Wide Band etc. are the means to achieve IPS. If the positioning techniques are addressed, Time of Arrival (TOA), Time Difference of Arrival (TDOA), Angle of Arrival (AOA), Received Signal Strength Indicator (RSSI) and Triangulation, Trilateration, Scene Analysis etc. are at our disposal. Also addition of Machine Learning algorithms like KNN, improve its estimation process and reduce the errors. In this survey we will study applications of IPS based on different technologies. We will be focusing on foue technologies only, those are Wi-Fi, Bluetooth, RFID and UWB.

"A Survey of Indoor Positioning System Based on Different Hardware Technology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 4, page no.363-366, April-2019, Available :http://www.jetir.org/papers/JETIR1904252.pdf

"A Survey of Indoor Positioning System Based on Different Hardware Technology", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 4, page no. pp363-366, April-2019, Available at : http://www.jetir.org/papers/JETIR1904252.pdf