Method 2:  Fingerprinting with Euclidian Distance and Bayesian Estimator

Faragher and Harle provide a detailed study of BLE fingerprinting and do a qualitative comparison against WiFi fingerprinting. Faragher 2015. They demonstrate fast fading effects in BLE and how to mitigate it, and study key parameters in a BLE positioning system, such as beacon density, transmission power and frequency. Their algorithm produced a positioning error of less than 2.6 m.