--- a/src/lte/model/lte-spectrum-phy.cc	Tue Mar 29 17:55:59 2011 +0200
+++ b/src/lte/model/lte-spectrum-phy.cc	Tue Mar 29 18:28:55 2011 +0200
@@ -41,6 +41,7 @@
 LteSpectrumPhy::LteSpectrumPhy ()
   : m_state (IDLE)
 {
+  NS_LOG_FUNCTION (this);
 }
 
 
@@ -50,10 +51,11 @@
 
 void LteSpectrumPhy::DoDispose ()
 {
-  m_channel->Dispose ();
+  NS_LOG_FUNCTION (this);
   m_channel = 0;
   m_mobility = 0;
   m_device = 0;
+  SpectrumPhy::DoDispose ();
 } 
 
 std::ostream& operator<< (std::ostream& os, LteSpectrumPhy::State s)