Bluetooth low energy is an upcoming wireless technology used by prominent researches to build a reliable indoor localization technology. This paper focuses the reliability of using such Bluetooth devices in retail environments. We carry out a series of experiments in an academic setting to evaluate the probability of receiving a packet and translate it into a noise model. These experiments are carried out for a range of broadcasting power and advertising intervals to build a robust noise model. Our noise model indicates that the probability of hearing a packet falls sub-linearly with distance. Furthermore, we develop a formula to determine the probability of receiving a packet as a function of distance, beacon power and beacon frequency.
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