We are given a vocabulary V of (lowercase) English words. It uses letters of the English alphabet [a-z], digits [0-9], and the apostrophe symbol [']. No other characters are used in the vocabulary V.

A simple running average RSSI reading keeping. For iBeacons: Manufacturer data record parser. For iBeacons: Distance indicators (Near, Far, Immediate, Unknown). For iBeacons: A decently inaccurate ...