Listing 3. Distance calculation.
1	/**
2	* Calculates distances using the log-distance path loss model
3	*
4	* @param rssi      the currently measured RSSI
5	* @param calibratedRssi  the RSSI measured at 1m distance
6	* @param pathLossParameter the path-loss adjustment parameter
7	*/
8	public static double calculateDistance(double rssi, float calibratedRssi) {
9	float pathLossParameter = 3f;
10	return Math.pow(10, (calibratedRssi - rssi) / (10 * pathLossParameter));
11	}