5 files changed, 10 insertions, 5 deletions
diff --git a/Transceiver52M/Transceiver.cpp b/Transceiver52M/Transceiver.cpp
index 66eff7f..f06959a 100644
--- a/Transceiver52M/Transceiver.cpp
+++ b/Transceiver52M/Transceiver.cpp
@@ -85,7 +85,7 @@ bool TransceiverState::init(int filler, size_t sps, float scale, size_t rtsc, un
         burst = generateDummyBurst(sps, n);
         break;
       case Transceiver::FILLER_NORM_RAND:
-        burst = genRandNormalBurst(rtsc, sps, n);
+        burst = genRandNormalBurst(rtsc, sps, n, mPrbs);
         break;
       case Transceiver::FILLER_EDGE_RAND:
         burst = generateEdgeBurst(rtsc);
diff --git a/Transceiver52M/Transceiver.h b/Transceiver52M/Transceiver.h
index 6f9cb92..0c4d441 100644
--- a/Transceiver52M/Transceiver.h
+++ b/Transceiver52M/Transceiver.h
@@ -84,6 +84,9 @@ struct TransceiverState {
 
   /* Shadowed downlink attenuation */
   int mPower;
+
+  /* Pseudorandom bit sequence */
+  PRBS9 mPrbs;
 };
 
 /** The Transceiver class, responsible for physical layer of basestation */
diff --git a/Transceiver52M/radioInterface.cpp b/Transceiver52M/radioInterface.cpp
index e039d5c..f97494c 100644
--- a/Transceiver52M/radioInterface.cpp
+++ b/Transceiver52M/radioInterface.cpp
@@ -22,6 +22,7 @@
 #include "radioInterface.h"
 #include "Resampler.h"
 #include <Logger.h>
+#include <PRBS.h>
 
 extern "C" {
 #include "convert.h"
diff --git a/Transceiver52M/sigProcLib.cpp b/Transceiver52M/sigProcLib.cpp
index 9a8c824..3514293 100644
--- a/Transceiver52M/sigProcLib.cpp
+++ b/Transceiver52M/sigProcLib.cpp
@@ -915,7 +915,7 @@ static signalVector *shapeEdgeBurst(const signalVector &symbols)
 /*
  * Generate a random GSM normal burst.
  */
-signalVector *genRandNormalBurst(int tsc, int sps, int tn)
+signalVector *genRandNormalBurst(int tsc, int sps, int tn, PRBS &prbs)
 {
   if ((tsc < 0) || (tsc > 7) || (tn < 0) || (tn > 7))
     return NULL;
@@ -932,7 +932,7 @@ signalVector *genRandNormalBurst(int tsc, int sps, int tn)
 
   /* Random bits */
   for (; i < 60; i++)
-    (*bits)[i] = rand() % 2;
+    (*bits)[i] = prbs.generateBit();
 
   /* Stealing bit */
   (*bits)[i++] = 0;
@@ -946,7 +946,7 @@ signalVector *genRandNormalBurst(int tsc, int sps, int tn)
 
   /* Random bits */
   for (; i < 145; i++)
-    (*bits)[i] = rand() % 2;
+    (*bits)[i] = prbs.generateBit();
 
   /* Tail bits */
   for (; i < 148; i++)
diff --git a/Transceiver52M/sigProcLib.h b/Transceiver52M/sigProcLib.h
index 4318fe0..acf82a9 100644
--- a/Transceiver52M/sigProcLib.h
+++ b/Transceiver52M/sigProcLib.h
@@ -18,6 +18,7 @@
 #include "Vector.h"
 #include "Complex.h"
 #include "BitVector.h"
+#include "PRBS.h"
 #include "signalVector.h"
 
 /* Burst lengths */
@@ -140,7 +141,7 @@ signalVector *generateEdgeBurst(int tsc);
 signalVector *generateEmptyBurst(int sps, int tn);
 
 /** Generate a normal GSM burst with random payload - 4 or 1 SPS */
-signalVector *genRandNormalBurst(int tsc, int sps, int tn);
+signalVector *genRandNormalBurst(int tsc, int sps, int tn, PRBS &prbs);
 
 /** Generate an access GSM burst with random payload - 4 or 1 SPS */
 signalVector *genRandAccessBurst(int delay, int sps, int tn);