diff --git a/src/lte/model/fdtbfq-ff-mac-scheduler.cc b/src/lte/model/fdtbfq-ff-mac-scheduler.cc
index 0f26d46a7..fe54c523f 100644
--- a/src/lte/model/fdtbfq-ff-mac-scheduler.cc
+++ b/src/lte/model/fdtbfq-ff-mac-scheduler.cc
@@ -502,7 +502,7 @@ FdTbfqFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::S
       // select UE with largest metric
       std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator it;
       std::map <uint16_t, fdtbfqsFlowPerf_t>::iterator itMax = m_flowStatsDl.end ();
-      double metricMax;
+      double metricMax = 0.0;
       bool firstRnti = true;
       for (it = m_flowStatsDl.begin (); it != m_flowStatsDl.end (); it++)
         {
@@ -729,7 +729,7 @@ FdTbfqFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::S
                 }
             }
  
- 	        bytesTxedTmp = bytesTxed;
+          bytesTxedTmp = bytesTxed;
           bytesTxed = 0;
           for (uint8_t j = 0; j < nLayer; j++)
             {
diff --git a/src/lte/model/pss-ff-mac-scheduler.cc b/src/lte/model/pss-ff-mac-scheduler.cc
index e1078b480..7d73db805 100644
--- a/src/lte/model/pss-ff-mac-scheduler.cc
+++ b/src/lte/model/pss-ff-mac-scheduler.cc
@@ -485,7 +485,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sche
   std::vector <std::pair<double,uint16_t> > ueSet2;
   for (it = ueSet.begin (); it != ueSet.end (); it++)
     {
-      double metric;
+      double metric = 0.0;
       if ((*it).second.lastAveragedThroughput < (*it).second.targetThroughput )
         {
     	    // calculate TD BET metric
@@ -700,7 +700,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sche
    	                } 
                 }   // end if cqi
 
-              double metric;
+              double metric = 0.0;
               if (colMetric != 0)
                 metric= weight * colMetric;
               else
@@ -796,7 +796,7 @@ PssFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sche
                   schMetric = achievableRate / (*it).second.secondLastAveragedThroughput;
                 }   // end if cqi
  
-              double metric;
+              double metric = 0.0;
               metric= weight * schMetric;
  
               if (metric > metricMax )
@@ -971,9 +971,9 @@ PssFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sche
       std::map <uint16_t, pssFlowPerf_t>::iterator itUeScheduleted = tdUeSet.end();
       itUeScheduleted = tdUeSet.find((*itStats).first);
       if (itUeScheduleted != tdUeSet.end())
-	  {
-            (*itStats).second.secondLastAveragedThroughput = ((1.0 - (1 / m_timeWindow)) * (*itStats).second.secondLastAveragedThroughput) + ((1 / m_timeWindow) * (double)((*itStats).second.lastTtiBytesTransmitted / 0.001));
-	  }
+        {
+          (*itStats).second.secondLastAveragedThroughput = ((1.0 - (1 / m_timeWindow)) * (*itStats).second.secondLastAveragedThroughput) + ((1 / m_timeWindow) * (double)((*itStats).second.lastTtiBytesTransmitted / 0.001));
+        }
 
       (*itStats).second.totalBytesTransmitted += (*itStats).second.lastTtiBytesTransmitted;
       // update average throughput (see eq. 12.3 of Sec 12.3.1.2 of LTE – The UMTS Long Term Evolution, Ed Wiley)
diff --git a/src/lte/model/tdmt-ff-mac-scheduler.cc b/src/lte/model/tdmt-ff-mac-scheduler.cc
index 09f0d3985..fe4420758 100644
--- a/src/lte/model/tdmt-ff-mac-scheduler.cc
+++ b/src/lte/model/tdmt-ff-mac-scheduler.cc
@@ -454,18 +454,18 @@ TdMtFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sch
           NS_FATAL_ERROR ("No Transmission Mode info on user " << (*it));
         }
       int nLayer = TransmissionModesLayers::TxMode2LayerNum ((*itTxMode).second);
-	    uint8_t wbCqi = 0;
-	    if (itCqi == m_p10CqiRxed.end())
-	      {
-	        wbCqi = 1; // start with lowest value
-	      }
+      uint8_t wbCqi = 0;
+      if (itCqi == m_p10CqiRxed.end())
+        {
+          wbCqi = 1; // start with lowest value
+        }
       else
         {
-	        wbCqi = (*itCqi).second;
+          wbCqi = (*itCqi).second;
         }
 
-	    if (wbCqi > 0)
-	      {
+      if (wbCqi > 0)
+        {
           if (LcActivePerFlow (*it) > 0)
             {
               // this UE has data to transmit
@@ -477,13 +477,13 @@ TdMtFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sch
                   achievableRate += ((m_amc->GetTbSizeFromMcs (mcs, rbgSize) / 8) / 0.001); // = TB size / TTI
                 }
 
-			        double metric = achievableRate;
+             double metric = achievableRate;
 
-              if (metric > metricMax)
-                {
-                  metricMax = metric;
-                  itMax = it;
-                }
+             if (metric > metricMax)
+               {
+                 metricMax = metric;
+                 itMax = it;
+               }
            }
         } // end of wbCqi
     } // end for m_flowStatsDl
@@ -491,16 +491,16 @@ TdMtFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sch
   if (itMax == m_flowStatsDl.end ())
     {
       // no UE available for downlink 
-	    return;
+      return;
     }
   else
     {
       // assign all RBGs to this UE
       std::vector <uint16_t> tempMap;
-	    for (int i = 0; i < rbgNum; i++)
-	      {
+      for (int i = 0; i < rbgNum; i++)
+        {
           tempMap.push_back (i);
-	      }
+        }
       allocationMap.insert (std::pair <uint16_t, std::vector <uint16_t> > ((*itMax), tempMap));
     }
 
@@ -520,7 +520,7 @@ TdMtFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sch
 
       uint16_t lcActives = LcActivePerFlow ((*itMap).first);
       std::map <uint16_t,uint8_t>::iterator itCqi;
-	    itCqi = m_p10CqiRxed.find((*itMap).first);
+      itCqi = m_p10CqiRxed.find((*itMap).first);
       std::map <uint16_t,uint8_t>::iterator itTxMode;
       itTxMode = m_uesTxMode.find ((*itMap).first);
       if (itTxMode == m_uesTxMode.end ())
@@ -538,7 +538,7 @@ TdMtFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::Sch
             {
               newDci.m_mcs.push_back ( m_amc->GetMcsFromCqi ((*itCqi).second) );
             }
-		       // allocate all RBGs to this UE
+          // allocate all RBGs to this UE
           int tbSize = (m_amc->GetTbSizeFromMcs (newDci.m_mcs.at (j), rbgNum * rbgSize) / 8); // (size of TB in bytes according to table 7.1.7.2.1-1 of 36.213)
           newDci.m_tbsSize.push_back (tbSize);
         }
diff --git a/src/lte/model/tdtbfq-ff-mac-scheduler.cc b/src/lte/model/tdtbfq-ff-mac-scheduler.cc
index 8e2f2f57b..99c6c1b25 100644
--- a/src/lte/model/tdtbfq-ff-mac-scheduler.cc
+++ b/src/lte/model/tdtbfq-ff-mac-scheduler.cc
@@ -495,7 +495,7 @@ TdTbfqFfMacScheduler::DoSchedDlTriggerReq (const struct FfMacSchedSapProvider::S
   // select UE with largest metric
   std::map <uint16_t, tdtbfqsFlowPerf_t>::iterator it;
   std::map <uint16_t, tdtbfqsFlowPerf_t>::iterator itMax = m_flowStatsDl.end ();
-  double metricMax;
+  double metricMax = 0.0;
   bool firstRnti = true;
   for (it = m_flowStatsDl.begin (); it != m_flowStatsDl.end (); it++)
     {