diff --git a/openair1/SIMULATION/LTE_PHY/unitary_defs.h b/openair1/SIMULATION/LTE_PHY/unitary_defs.h
new file mode 100644
index 0000000000000000000000000000000000000000..1e1c66130ab036df48d48cd81200a56e160fc14a
--- /dev/null
+++ b/openair1/SIMULATION/LTE_PHY/unitary_defs.h
@@ -0,0 +1,9 @@
+openair0_device openair0;
+
+void exit_fun(const char *s) { exit(-1); }
+
+extern unsigned int dlsch_tbs25[27][25],TBStable[27][110];
+extern unsigned char offset_mumimo_llr_drange_fix;
+
+extern unsigned short dftsizes[33];
+extern short *ul_ref_sigs[30][2][33];