[43] is very brief (less than 20 references), even considering its date of publication and the fact that the number of RFID or NFC proposals is small when compared to, e.g., WiFi. In recent years, novel RFID-based IPS proposals, such as Sakpere et al. [114], Xu et al. [115]...
However, if the frame size is too large, the measurements inside the frame becomes rapidly out-of-date. We set the frame size to 20 in this work. 4.4.2. Kalman Filter For the RSSI filtering, a one-dimensional Kalman filter is used. As previously mentioned, the Kalman filter has some ...