added beacon stuff similiar architecture then wifi \n added activity percentage stuff \n added testcases

sensors/beacon/model/BeaconModel.h

@@ -0,0 +1,46 @@
+#ifndef BEACONMODEL_H
+#define BEACONMODEL_H
+
+#include "../Beacon.h"
+#include "../BeaconMeasurement.h"
+#include "../../../geo/Point3.h"
+
+#include <vector>
+
+/**
+ * interface for signal-strength prediction models.
+ *
+ * the model is passed a MAC-address of an AP in question, and a position.
+ * hereafter the model returns the RSSI for this AP at the questioned location.
+ */
+class BeaconModel {
+
+public:
+
+//	/** get the given access-point's RSSI at the provided location */
+//	virtual float getRSSI(const LocatedAccessPoint& ap, const Point3 p) = 0;
+
+	/** get a list of all APs known to the model */
+    virtual std::vector<Beacon> getAllBeacons() const = 0;
+
+    /**
+     * update the beacons signal strength using the current measurement
+     * this could happen if the txp is not updated within the floorplan
+     *
+     * be careful and don't use fantasy values, this could ruin your localitions
+     * completely
+     */
+    virtual void updateBeacon(const BeaconMeasurement beacon) = 0;
+
+
+	/**
+	 * get the RSSI expected at the given location (in meter)
+     * for an beacon identified by the given MAC.
+	 *
+     * if the model can not predict the RSSI for an beacon, it returns NaN!
+	 */
+	virtual float getRSSI(const MACAddress& accessPoint, const Point3 position_m) const = 0;
+
+};
+
+#endif // BEACONMODEL_H