--- a/src/lte/model/lte-radio-bearer-tag.cc	Tue Nov 20 18:18:01 2012 +0100
+++ b/src/lte/model/lte-radio-bearer-tag.cc	Thu Nov 22 12:05:46 2012 +0100
@@ -91,7 +91,7 @@
 uint32_t
 LteRadioBearerTag::GetSerializedSize (void) const
 {
-  return 3;
+  return 4;
 }
 
 void
@@ -99,6 +99,7 @@
 {
   i.WriteU16 (m_rnti);
   i.WriteU8 (m_lcid);
+  i.WriteU8 (m_layer);
 }
 
 void
@@ -106,6 +107,7 @@
 {
   m_rnti = (uint16_t) i.ReadU16 ();
   m_lcid = (uint8_t) i.ReadU8 ();
+  m_layer = (uint8_t) i.ReadU8 ();
 }
 
 uint16_t
@@ -129,7 +131,7 @@
 void
 LteRadioBearerTag::Print (std::ostream &os) const
 {
-  os << "rnti=" << m_rnti << ", lcid=" << (uint16_t) m_lcid;
+  os << "rnti=" << m_rnti << ", lcid=" << (uint16_t) m_lcid << ", layer=" << (uint16_t)m_layer;
 }
 
 } // namespace ns3