diff --git a/src/mobility/model/buildings-mobility-model.cc b/src/mobility/model/buildings-mobility-model.cc
index 3a3c459ca..289865d2f 100644
--- a/src/mobility/model/buildings-mobility-model.cc
+++ b/src/mobility/model/buildings-mobility-model.cc
@@ -49,6 +49,9 @@ BuildingsMobilityModel::GetTypeId (void)
 BuildingsMobilityModel::BuildingsMobilityModel ()
 {
   m_indoor = false;
+  m_nFloor = 1;
+  m_roomX = 1;
+  m_roomY = 1;
 }
 
 void
@@ -102,11 +105,49 @@ BuildingsMobilityModel::SetOutdoor (void)
 }
 
 void
-BuildingsMobilityModel::SetSurroudingBuilding(Ptr<Building> building)
+BuildingsMobilityModel::SetFloorNumber (uint8_t nfloor)
+{
+  m_nFloor = nfloor;
+}
+
+void
+BuildingsMobilityModel::SetRoomNumberX (uint8_t nroomx)
+{
+  m_roomX = nroomx;
+}
+
+void
+BuildingsMobilityModel::SetRoomNumberY (uint8_t nroomy)
+{
+  m_roomY = nroomy;
+}
+
+
+void
+BuildingsMobilityModel::SetSurroudingBuilding (Ptr<Building> building)
 {
   m_surroudingBuildings.push_back (building);
 }
 
+uint8_t
+BuildingsMobilityModel::GetFloorNumber (void)
+{
+  return (m_nFloor);
+}
+
+uint8_t
+BuildingsMobilityModel::GetRoomNumberX (void)
+{
+  return (m_roomX);
+}
+
+uint8_t
+BuildingsMobilityModel::GetRoomNumberY (void)
+{
+  return (m_roomY);
+}
+
+
 Ptr<Building>
 BuildingsMobilityModel::GetBuilding ()
 {
diff --git a/src/mobility/model/buildings-mobility-model.h b/src/mobility/model/buildings-mobility-model.h
index 69d6315bb..fd81193b7 100644
--- a/src/mobility/model/buildings-mobility-model.h
+++ b/src/mobility/model/buildings-mobility-model.h
@@ -61,7 +61,15 @@ class BuildingsMobilityModel : public MobilityModel
     void SetIndoor (Ptr<Building> building);
     void SetOutdoor (void);
     
-    void SetSurroudingBuilding(Ptr<Building> building);
+    void SetSurroudingBuilding (Ptr<Building> building);
+    
+    void SetFloorNumber (uint8_t nfloor);
+    void SetRoomNumberX (uint8_t nroomx);
+    void SetRoomNumberY (uint8_t nroomy);
+    
+    uint8_t GetFloorNumber (void);
+    uint8_t GetRoomNumberX (void);
+    uint8_t GetRoomNumberY (void);
     
     Ptr<Building> GetBuilding ();
     
@@ -77,7 +85,9 @@ class BuildingsMobilityModel : public MobilityModel
     std::list < Ptr<Building> > m_surroudingBuildings;  // buildings blocks
     Ptr<Building> m_myBuilding;
     bool m_indoor;
-    
+    uint8_t m_nFloor;
+    uint8_t m_roomX;
+    uint8_t m_roomY;
 };