From de0dc4e1e33836ed09fd3a4aaa37a925ef93ea77 Mon Sep 17 00:00:00 2001
From: mmiozzo <unknown>
Date: Tue, 22 May 2012 17:12:17 +0200
Subject: [PATCH] Modify LteMiErrorModel::GetTbError for working with pow()
 instead of successive multiplications

---
 src/lte/model/lte-mi-error-model.cc | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/src/lte/model/lte-mi-error-model.cc b/src/lte/model/lte-mi-error-model.cc
index 6fc676053..7c28d7516 100644
--- a/src/lte/model/lte-mi-error-model.cc
+++ b/src/lte/model/lte-mi-error-model.cc
@@ -457,18 +457,10 @@ LteMiErrorModel::GetTbError (const SpectrumValue& sinr, const std::vector<int>&
   double errorRate = 1.0;
   if (C!=1)
     {
-        for (uint32_t i = 0; i < Cplus; i++)
-        {
-          double cbler = MappingMiBler (MI, mcs, Kplus);
-          NS_LOG_LOGIC (" CBLER " << cbler);
-          errorRate *= (1.0 - cbler);
-        }
-      for (uint32_t i = 0; i < Cminus; i++)
-        {
-          double cbler = MappingMiBler (MI, mcs, Kminus);
-          NS_LOG_LOGIC (" CBLER " << cbler);
-          errorRate *= (1.0 - cbler);
-        }
+      double cbler = MappingMiBler (MI, mcs, Kplus);
+      errorRate *= pow (1.0 - cbler, Cplus);
+      cbler = MappingMiBler (MI, mcs, Kminus);
+      errorRate *= pow (1.0 - cbler, Cminus);
       errorRate = 1.0 - errorRate;
     }
   else