From cd11c1d7751d4cc342f1eca9615740627b5bc5bc Mon Sep 17 00:00:00 2001
From: Marco Miozzo <marco.miozzo@cttc.es>
Date: Thu, 23 Aug 2012 13:44:41 +0200
Subject: [PATCH] Update TraceFadingLossModel for circular windowing in fading
 traces

---
 src/lte/model/trace-fading-loss-model.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lte/model/trace-fading-loss-model.cc b/src/lte/model/trace-fading-loss-model.cc
index 8cdee654c..958bbe4e9 100644
--- a/src/lte/model/trace-fading-loss-model.cc
+++ b/src/lte/model/trace-fading-loss-model.cc
@@ -196,7 +196,7 @@ TraceFadingLossModel::DoCalcRxPowerSpectralDensity (
   NS_ASSERT (!m_fadingTrace.empty ());
   int now_ms = static_cast<int> (Simulator::Now ().GetMilliSeconds () * m_timeGranularity);
   int lastUpdate_ms = static_cast<int> (m_lastWindowUpdate.GetMilliSeconds () * m_timeGranularity);
-  int index = (*itOff).second + now_ms - lastUpdate_ms;
+  int index = ((*itOff).second + now_ms - lastUpdate_ms) % m_samplesNum;
   int subChannel = 0;
   while (vit != rxPsd->ValuesEnd ())
     {