fixed RR scheduler buffer status report bug

src/lte/examples/lena-epc-first.cc

@@ -56,7 +56,7 @@ main (int argc, char *argv[])
   Ptr<LenaHelper> lteHelper = CreateObject<LenaHelper> ();
   Ptr<EpcHelper>  epcHelper = CreateObject<EpcHelper> ();
   lteHelper->SetEpcHelper (epcHelper);
-  //lteHelper->SetSchedulerType("ns3::RrFfMacScheduler");
+  lteHelper->SetSchedulerType("ns3::RrFfMacScheduler");
 
   ConfigStore inputConfig;
   inputConfig.ConfigureDefaults();

src/lte/model/rr-ff-mac-scheduler.cc

@@ -328,7 +328,7 @@ RrFfMacScheduler::DoSchedDlRlcBufferReq (const struct FfMacSchedSapProvider::Sch
       // remove old entries of this UE-LC
       if (((*it).m_rnti == params.m_rnti)&&((*it).m_logicalChannelIdentity == params.m_logicalChannelIdentity))
         {
-          m_rlcBufferReq.erase (it);
+          it = m_rlcBufferReq.erase (it);
           newLc = false;
         }
     }