2.5 - Major refactor

models/fspl.cc

@@ -0,0 +1,30 @@
+/*****************************************************************************
+*  ITU-R P.525 Free Space Path Loss model for Signal Server by Alex Farrant  *
+*  15 January 2014							     *
+*  This program is free software; you can redistribute it and/or modify it   *
+*  under the terms of the GNU General Public License as published by the     *
+*  Free Software Foundation; either version 2 of the License or any later    *
+*  version.								     *
+*									     *
+*  This program is distributed in the hope that it will useful, but WITHOUT  *
+*  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     *
+*  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License     *
+*  for more details.							     *
+*									     */
+
+#include <math.h>
+
+double FSPLpathLoss(float f, float d)
+{
+/*
+Free Space Path Loss model
+Frequency: Any
+Distance: Any 
+*/
+	//MHz to GHz
+	f = f / 1000;
+
+	double dbloss = (20 * log10(d)) + (20 * log10(f)) + 92.45;
+
+	return dbloss;
+}