diff --git a/floorplan/v2/Floorplan.h b/floorplan/v2/Floorplan.h
index d9682cc..c433d17 100644
--- a/floorplan/v2/Floorplan.h
+++ b/floorplan/v2/Floorplan.h
@@ -184,6 +184,11 @@ namespace Floorplan {
 		std::string name;
 		std::string mac;
 		Point3 pos;		// z is relative to the floor's height
+		struct Model {
+			float txp;
+			float exp;
+			float waf;
+		} model;
 		AccessPoint() : name(), mac(), pos() {;}
 		AccessPoint(const std::string& name, const std::string& mac, const Point3& pos) : name(name), mac(toUpperCase(mac)), pos(pos) {;}
 		bool operator == (const AccessPoint& o) const {return (o.name == name) && (o.mac == mac) && (o.pos == pos);}
@@ -194,7 +199,15 @@ namespace Floorplan {
 	struct Beacon {
 		std::string name;
 		std::string mac;
+		std::string major;
+		std::string minor;
+		std::string uuid;
 		Point3 pos;		// z is relative to the floor's height
+		struct Model {
+			float txp;
+			float exp;
+			float waf;
+		} model;
 		Beacon() : name(), mac(), pos() {;}
 		Beacon(const std::string& name, const std::string& mac, const Point3& pos) : name(name), mac(mac), pos(pos) {;}
 		bool operator == (const Beacon& o) const {return (o.name == name) && (o.mac == mac) && (o.pos == pos);}
diff --git a/floorplan/v2/FloorplanReader.h b/floorplan/v2/FloorplanReader.h
index 47af25c..7f00748 100644
--- a/floorplan/v2/FloorplanReader.h
+++ b/floorplan/v2/FloorplanReader.h
@@ -260,6 +260,9 @@ namespace Floorplan {
 			ap->mac = n->Attribute("mac");
 			ap->name = n->Attribute("name");
 			ap->pos = parsePoint3(n);
+			ap->model.txp = n->FloatAttribute("mdl_txp");
+			ap->model.exp = n->FloatAttribute("mdl_exp");
+			ap->model.waf = n->FloatAttribute("mdl_waf");
 			return ap;
 		}
 
@@ -278,6 +281,12 @@ namespace Floorplan {
 			Beacon* b = new Beacon();
 			b->mac = n->Attribute("mac");
 			b->name = n->Attribute("name");
+			b->major = n->Attribute("major");
+			b->minor = n->Attribute("minor");
+			b->uuid = n->Attribute("uuid");
+			b->model.txp = n->FloatAttribute("mdl_txp");
+			b->model.exp = n->FloatAttribute("mdl_exp");
+			b->model.waf = n->FloatAttribute("mdl_waf");
 			b->pos = parsePoint3(n);
 			return b;
 		}
diff --git a/floorplan/v2/FloorplanWriter.h b/floorplan/v2/FloorplanWriter.h
index 878b26d..c21ebbb 100644
--- a/floorplan/v2/FloorplanWriter.h
+++ b/floorplan/v2/FloorplanWriter.h
@@ -163,6 +163,9 @@ namespace Floorplan {
 				accesspoint->SetAttribute("x", ap->pos.x);
 				accesspoint->SetAttribute("y", ap->pos.y);
 				accesspoint->SetAttribute("z", ap->pos.z);
+				accesspoint->SetAttribute("mdl_txp", ap->model.txp);
+				accesspoint->SetAttribute("mdl_exp", ap->model.exp);
+				accesspoint->SetAttribute("mdl_waf", ap->model.waf);
 				accesspoints->InsertEndChild(accesspoint);
 			}
 			floor->InsertEndChild(accesspoints);
@@ -172,9 +175,15 @@ namespace Floorplan {
 				XMLElem* beacon = doc.NewElement("beacon");
 				beacon->SetAttribute("name", b->name.c_str());
 				beacon->SetAttribute("mac", b->mac.c_str());
+				beacon->SetAttribute("major", b->major.c_str());
+				beacon->SetAttribute("minor", b->minor.c_str());
+				beacon->SetAttribute("uuid", b->uuid.c_str());
 				beacon->SetAttribute("x", b->pos.x);
 				beacon->SetAttribute("y", b->pos.y);
 				beacon->SetAttribute("z", b->pos.z);
+				beacon->SetAttribute("mdl_txp", b->model.txp);
+				beacon->SetAttribute("mdl_exp", b->model.exp);
+				beacon->SetAttribute("mdl_waf", b->model.waf);
 				beacons->InsertEndChild(beacon);
 			}
 			floor->InsertEndChild(beacons);
diff --git a/sensors/radio/model/WiFiModelLogDistCeiling.h b/sensors/radio/model/WiFiModelLogDistCeiling.h
index 0ee8913..d9834d6 100644
--- a/sensors/radio/model/WiFiModelLogDistCeiling.h
+++ b/sensors/radio/model/WiFiModelLogDistCeiling.h
@@ -6,6 +6,8 @@
 #include "../../../Assertions.h"
 #include "WiFiModel.h"
 #include "LogDistanceModel.h"
+#include "../VAPGrouper.h"
+#include "../../../misc/Debug.h"
 
 /**
  * signal-strength estimation using log-distance model
@@ -71,6 +73,20 @@ public:
 
 	}
 
+	/** load AP information from the floorplan. use the given fixed TXP/EXP/WAF for all APs */
+	void loadAPs(const Floorplan::IndoorMap* map, const VAPGrouper& vg, const float txp = -40.0f, const float exp = 2.5f, const float waf = -8.0f) {
+
+		for (const Floorplan::Floor* floor : map->floors) {
+			for (const Floorplan::AccessPoint* ap : floor->accesspoints) {
+				const APEntry ape(ap->getPos(floor), txp, exp, waf);
+				const MACAddress mac = vg.getBaseMAC(MACAddress(ap->mac));
+				Log::add("WiModLDC", "AP: " + ap->mac + " -> " + mac.asString());
+				addAP(MACAddress(mac), ape);
+			}
+		}
+
+	}
+
 	/** make the given AP (and its parameters) known to the model */
 	void addAP(const MACAddress& accessPoint, const APEntry& params) {
 
@@ -79,7 +95,7 @@ public:
 		Assert::isBetween(params.txp, -50.0f, -30.0f, "TXP out of bounds [-50:-30]");
 		Assert::isBetween(params.exp, 1.0f, 4.0f, "EXP out of bounds [1:4]");
 
-		Assert::equal(accessPoints.find(accessPoint), accessPoints.end(), "AccessPoint already present!");
+		Assert::equal(accessPoints.find(accessPoint), accessPoints.end(), "AccessPoint already present! VAP-Grouping issue?");
 
 		// add
 		accessPoints.insert( std::pair<MACAddress, APEntry>(accessPoint, params) );