diff --git a/src/calibration/experiments.c b/src/calibration/experiments.c
index 0ffbc1001a2b2172606685ddea515ed37ee9d087..63e0eaad46d9d7d5e31143899d442171bc244a60 100755
--- a/src/calibration/experiments.c
+++ b/src/calibration/experiments.c
@@ -1,10 +1,5 @@
-#include <stdlib.h>
-#include <math.h>
-#include <assert.h>
-#include <stdlib.h>
-#include <stdio.h> 
-#include <time.h>
-#include "calibrate.h"
+#include "experiments.h"
+
 MPI_Request *req_array;
 #define tag 1
 #define datatype MPI_CHAR
diff --git a/src/calibration/experiments.h b/src/calibration/experiments.h
new file mode 100644
index 0000000000000000000000000000000000000000..d350112c85ee0515524e3fff572e862ed817fe4d
--- /dev/null
+++ b/src/calibration/experiments.h
@@ -0,0 +1,19 @@
+#ifndef __EXPERIMENTS_H_
+#define __EXPERIMENTS_H_
+
+#include <stdlib.h>
+#include <math.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h> 
+#include <time.h>
+#include "calibrate.h"
+
+double get_Recv(int count, int nb_it);
+double get_iSendtime(int count, int nb_it);
+double get_PingPongtime(int count, int nb_it);
+long get_Wtime(int count, int nb_it);
+double get_Iprobe(int count, int nb_it);
+double get_Test(int count, int nb_it);
+
+#endif //__EXPERIMENTS_H_