diff --git a/src/de/tud/kom/p2psim/api/linklayer/mac/PhyType.java b/src/de/tud/kom/p2psim/api/linklayer/mac/PhyType.java
index 4c1b92bbcfed158158595d8dea6317c28dd8158d..540965873b54c75e3e48c7ed15f38905a7ba42c6 100644
--- a/src/de/tud/kom/p2psim/api/linklayer/mac/PhyType.java
+++ b/src/de/tud/kom/p2psim/api/linklayer/mac/PhyType.java
@@ -38,8 +38,9 @@ import de.tudarmstadt.maki.simonstrator.api.component.network.NetworkComponent.N
  * @author Bjoern Richerzhagen
  * @version 1.0, 25.02.2012
  * 
- * @changes:
- * Louis Neumann - setting LORA to "unlimited" bandwith
+ * @author Julian Zobel
+ * added LoRa PHY
+ * 
  */
 public enum PhyType {
 
@@ -95,7 +96,7 @@ public enum PhyType {
 	 * Assuming the following defaults: zero link-layer packet loss, 0.3 kbit/s BW,
 	 * 500us latency, 1kByte MTU
 	 */
-	LORA(NetInterfaceName.LORA, 0, 1 * Rate.Gbit_s,
+	LORA(NetInterfaceName.LORA, 0, 300 * Rate.bit_s,
 			500 * Time.MICROSECOND, 1024, true);
 	
 	
diff --git a/src/de/tud/kom/p2psim/api/topology/TopologyComponent.java b/src/de/tud/kom/p2psim/api/topology/TopologyComponent.java
index 58ef8753c2552faac31106fd278213fbb4cd20a5..2628023ede5ae9b14137da019b4166737f0c4122 100644
--- a/src/de/tud/kom/p2psim/api/topology/TopologyComponent.java
+++ b/src/de/tud/kom/p2psim/api/topology/TopologyComponent.java
@@ -42,8 +42,9 @@ public interface TopologyComponent extends SimHostComponent,
 	 * Binder-class.
 	 * 
 	 * @return
-	 * use Binder.getComponent(Topology.class) instead!
-	 */
+	 * @deprecated use Binder.getComponent(Topology.class) instead!
+	 */	
+	@Deprecated
 	public Topology getTopology();
 
 }
diff --git a/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/SocialGroupMovementModel.java b/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/SocialGroupMovementModel.java
index 6db72d7f8d7484a4a02edf227248bcc348e5eb3d..fa7a52581a8088d8795bc759d7f238d48c341854 100644
--- a/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/SocialGroupMovementModel.java
+++ b/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/SocialGroupMovementModel.java
@@ -188,6 +188,9 @@ public class SocialGroupMovementModel extends ModularMovementModel {
 		}
 		
 	
+		// TODO Move each group
+		
+		
 		Event.scheduleWithDelay(timeBetweenMoveOperation, this, null, EVENT_MOVE);
 	}
 		
@@ -243,7 +246,20 @@ public class SocialGroupMovementModel extends ModularMovementModel {
 						Monitor.getOrNull(ISocialGroupMovementAnalyzer.class).onGroupMovesToAttractionPoint(group);			
 					}	
 					
-					doLocalMovement(host, destination);									
+					doLocalMovement(host, destination);		
+					
+					PositionVector leaderPos = host.getRealPosition();					
+					LinkedHashSet<SimLocationActuator> groupMembers = groupContainer.getGroupMembers(host);
+					groupMembers.remove(host); // remove leader
+									
+					for (SimLocationActuator groupMember : groupMembers) {
+						// Assign small offset to the host depending on the leaders position.						
+						PositionVector offset = new PositionVector(rand.nextDouble() * LEADER_GROUP_DISTANCE, rand.nextDouble() * LEADER_GROUP_DISTANCE);
+						PositionVector newPos = leaderPos.plus(offset);
+					
+						// Update location of host, which will be around the leaders location.
+						groupMember.updateCurrentLocation(newPos);
+					}
 				}
 				else {
 					// inform analyzer of waiting group
@@ -252,10 +268,6 @@ public class SocialGroupMovementModel extends ModularMovementModel {
 					}		
 				}
 			}
-			else {
-				// while other nodes just follow the group leader
-				followLeader(host);
-			}
 		}
 		
 	}
diff --git a/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/groups/SocialMovementGroup.java b/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/groups/SocialMovementGroup.java
index 6171ca8147e87439c794c92d7069416fa58601b6..16cfdabd14c4f89424501172ec22586ec3c1cc40 100644
--- a/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/groups/SocialMovementGroup.java
+++ b/src/de/tud/kom/p2psim/impl/topology/movement/modularosm/groups/SocialMovementGroup.java
@@ -170,7 +170,7 @@ public class SocialMovementGroup {
 	}
 	
 	public LinkedHashSet<SimLocationActuator> getMembers() {
-		return members;
+		return new LinkedHashSet<SimLocationActuator>(members);
 	}
 	
 	public void setMembers(LinkedHashSet<SimLocationActuator> participants) {