diff --git a/openair1/PHY/MODULATION/modulation_eNB.h b/openair1/PHY/MODULATION/modulation_eNB.h
index 3608610887..5c81756b74 100644
--- a/openair1/PHY/MODULATION/modulation_eNB.h
+++ b/openair1/PHY/MODULATION/modulation_eNB.h
@@ -53,6 +53,26 @@ int beam_precoding(int32_t **txdataF,
                    int slot,
                    int symbol,
                    int aa);
+				   
+/** \brief This function performs beamforming precoding for common
+ * data for only one eNB, fdragon
+    @param txdataF Table of pointers for frequency-domain TX signals
+    @param txdataF_BF Table of pointers for frequency-domain TX signals
+    @param frame_parms Frame descriptor structure
+after beamforming
+    @param beam_weights Beamforming weights applied on each
+antenna element and each carrier
+    @param slot Slot number
+    @param symbol Symbol index on which to act
+    @param aa physical antenna index*/
+int beam_precoding_one_eNB(int32_t **txdataF,
+                           int32_t **txdataF_BF,
+						   int32_t ***beam_weights,
+						   int subframe,
+						   int nb_antenna_ports,
+						   int nb_tx, // total physical antenna
+						   LTE_DL_FRAME_PARMS *frame_parms
+						   );
 
 int f_read(char *calibF_fname, int nb_ant, int nb_freq, int32_t **tdd_calib_coeffs);