diff --git a/interfaces/GenericSensor/GenericSensor.proto b/interfaces/GenericSensor/GenericSensor.proto
index 7b62e70b5c29299d65240c814ed05063e2bdb11d..bff038ddbc540d50f8b0ba0ec9aaf5c1c9dd1f71 100644
--- a/interfaces/GenericSensor/GenericSensor.proto
+++ b/interfaces/GenericSensor/GenericSensor.proto
@@ -1,5 +1,9 @@
 syntax = "proto3";
 
+package ipos.models;
+
+import "SimpleScene.proto";
+
 message SensorEventWrapper{ // mqtt-like protocols: just une kind of protobuf-message shall be sent over a topic, therefore wrapper-messages are used to encapsulate different kinds of protobuf-messages
 	repeated RFIDRawDataEvent rfidRawDataEvent = 1;
 	repeated NFCRawDataEvent nfcRawDataEvent = 2;
@@ -85,21 +89,3 @@ message SensorPositionEvent {
   string lastPosUpdate = 4; // https://en.wikipedia.org/wiki/ISO_8601
 }
 
-message IposPosition {
-  string refSystemId = 1; // e.g., "WGS84" if absolute position; Ipos-FW should communicate ids of local reference systems to the position sensor during intialization
-  IposPoint3D point = 2;
-  float accuracy = 3; // object is with 95% probability within x metres of this point (gaussian distribution)
-}
-
-message IposPoint3D {
-  float x = 1; // pos in x direction in m
-  float y = 2; // pos in y direction in m
-  float z = 3; // pos in z direction in m (up)
-}
-
-message IposSimpleOrientation {
-  float x = 1; // quaternion notation
-  float y = 2; // if the quaternion is (0,0,0,0)
-  float z = 3; // there is no orientation
-  float w = 4; // available
-}
diff --git a/interfaces/SimpleScene/SimpleScene.proto b/interfaces/SimpleScene/SimpleScene.proto
index ee5dbb9926b620474b90a1a27357aa9995185a43..79aa262ba9416e19aec32aa3f097b9e0a15e98d5 100644
--- a/interfaces/SimpleScene/SimpleScene.proto
+++ b/interfaces/SimpleScene/SimpleScene.proto
@@ -1,18 +1,21 @@
 syntax = "proto3";
 
+package ipos.models;
+
 message IposConfigWrapper { // wrapper-message for configuration-topic
-    repeated IposFrameConfig frame = 1;
-    repeated IposObject object = 2; // an object must be either in this list
-    repeated IposObjectConfig objectConfig = 3; // or in this list, not in both
-	repeated POI poi = 4;
-	repeated RefSystem refsystem = 5;
+  repeated IposFrameConfig frames = 1;
+  repeated IposObject objects = 2; // an object must be either in this list
+  repeated IposObjectConfig objectConfigs = 3; // or in this list, not in both
+  repeated POI pois = 4;
+  repeated RefSystem refsystems = 5;
+  repeated IposMonitoringRequest monitoringRequests = 6;
 }
 
 message IposObjectConfig {
-    string id = 1; // unique for each object, but there may be multiple positioning sensors for that object
-    string sensorId = 2; // unique (each sensor localizes a single object)
-    string agentType = 3; // CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
-	string sensorType = 4; // BLUETOOTH, UWB, NFC, RFID, IMU...
+  string id = 1; // unique for each object, but there may be multiple positioning sensors for that object
+  string sensorId = 2; // unique (each sensor localizes a single object)
+  string agentType = 3; // CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
+  string sensorType = 4; // BLUETOOTH, UWB, NFC, RFID, IMU...
 }
 // note: IposObjectConfigs are used to register sensors. Beacon-positions are POIs and should be sent to sensor after registration. Bluetooth/UWB sensor need to know a reference system id. All Beacon-position sent to the Bluetooth/UWB sensor should have the same reference system id
 
@@ -38,26 +41,26 @@ message IposFrameConfig {
 }
 
 message RefSystem {
-	string id = 1;
-	IposPosition position = 2; // position of origin of RefSystem. May be relative or absolute
+  string id = 1;
+  IposPosition position = 2; // position of origin of RefSystem. May be relative or absolute
 }
 
 message IposMonitoringRequest {
-	string frameId = 1;
-	float delta = 2; // min. change in position to trigger a position update, setting delta and updateFrequency to -1 cancels the (existing) monitoring task
-	float updateFrequency = 3; // defines how many times per second a PositionUpdateEvent is sent
-	repeated string type = 4; // object-types to be observed; CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
-	repeated string id = 5; // object-ids to be observed
-	string fusionStrategy = 6; // e.g., "accuracy" for accuracy-optimized monitoring if multiple positions sensors per agent
-	bool exit_notification = 7; // IPos will notify receiver when object has left the frame
-	repeated string properties = 8; // properties that shall be monitored: position or id or type
-	string monitoringTaskId = 9; // unique for each monitoringRequest. IPosFW uses this info for configuring the communication protocol, e.g., for selecting a specific topic for MQTT-communication; a monitoringRequest with the same monitoringTaskId like a previous request updates this request
-	string requestorProtocol = 10; // communication protocol, e.g., "mqtt"; Assumption: requestor = receiver
+  string frameId = 1;
+  float delta = 2; // min. change in position to trigger a position update, setting delta and updateFrequency to -1 cancels the (existing) monitoring task
+  float updateFrequency = 3; // defines how many times per second a PositionUpdateEvent is sent
+  repeated string type = 4; // object-types to be observed; CeTI will send BOX,BIN,ZONE,ROBOT,HUMAN,OTHER
+  repeated string id = 5; // object-ids to be observed
+  string fusionStrategy = 6; // e.g., "accuracy" for accuracy-optimized monitoring if multiple positions sensors per agent
+  bool exit_notification = 7; // IPos will notify receiver when object has left the frame
+  repeated string properties = 8; // properties that shall be monitored: position or id or type
+  string monitoringTaskId = 9; // unique for each monitoringRequest. IPosFW uses this info for configuring the communication protocol, e.g., for selecting a specific topic for MQTT-communication; a monitoringRequest with the same monitoringTaskId like a previous request updates this request
+  string requestorProtocol = 10; // communication protocol, e.g., "mqtt"; Assumption: requestor = receiver
 }
 
 message IposMonitoringResponse {
-	string monitoringTaskId = 1;
-	string status = 2; // success- or error-Message
+  string monitoringTaskId = 1;
+  string status = 2; // success- or error-Message
 }
 
 message IposPosition {
@@ -73,9 +76,9 @@ message IposPoint3D {
 }
 
 message POI { // point-of-interest
-	string description = 1; // e.g., "tag"
-	map<string, string> data = 2; // e.g., "id" -> tag-id; "type" -> "nfc"
-	IposPosition position = 3;
+  string description = 1; // e.g., "tag"
+  map<string, string> data = 2; // e.g., "id" -> tag-id; "type" -> "nfc"
+  IposPosition position = 3;
 }
 
 message IposSpace {
@@ -89,4 +92,4 @@ message IposSimpleOrientation {
   float y = 2; // if the quaternion is (0,0,0,0)
   float z = 3; // there is no orientation
   float w = 4; // available
-}
\ No newline at end of file
+}