--- a/src/wifi/model/cara-wifi-manager.cc	Wed Jul 08 00:09:46 2015 +0200
+++ b/src/wifi/model/cara-wifi-manager.cc	Wed Jul 08 23:44:17 2015 +0200
@@ -183,7 +183,7 @@
 {
   NS_LOG_FUNCTION (this << st << size);
   CaraWifiRemoteStation *station = (CaraWifiRemoteStation *) st;
-  return WifiTxVector (GetSupported (station, station->m_rate), GetDefaultTxPowerLevel (), GetLongRetryCount (station), GetShortGuardInterval (station), Min (GetNumberOfReceiveAntennas (station), GetNumberOfTransmitAntennas ()), GetNess (station), GetStbc (station));
+  return WifiTxVector (GetSupported (station, station->m_rate), GetDefaultTxPowerLevel (), GetLongRetryCount (station), GetShortGuardInterval (station), Min (GetNumberOfReceiveAntennas (station), GetNumberOfTransmitAntennas ()), GetNess (station), GetAggregation (station), GetStbc (station));
 }
 
 WifiTxVector
@@ -192,7 +192,7 @@
   NS_LOG_FUNCTION (this << st);
   /// \todo we could/should implement the Arf algorithm for
   /// RTS only by picking a single rate within the BasicRateSet.
-  return WifiTxVector (GetSupported (st, 0), GetDefaultTxPowerLevel (), GetLongRetryCount (st), GetShortGuardInterval (st), Min (GetNumberOfReceiveAntennas (st), GetNumberOfTransmitAntennas ()), GetNess (st), GetStbc (st));
+  return WifiTxVector (GetSupported (st, 0), GetDefaultTxPowerLevel (), GetLongRetryCount (st), GetShortGuardInterval (st), Min (GetNumberOfReceiveAntennas (st), GetNumberOfTransmitAntennas ()), GetNess (st), GetAggregation (st), GetStbc (st));
 }
 
 bool