diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 012eb44e45518a92d88d91b1fdf64f20082f6d51..1880527130d539b224a668a01ac76e3f6c5c27b6 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1657,7 +1657,17 @@ int main( int argc, char **argv )
 
       PHY_vars_eNB_g[0][CC_id]->rx_total_gain_dB = (int)rx_gain[CC_id][0];
 
-      PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
+      if (frame_parms[CC_id]->frame_type==FDD) {
+       PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
+      }
+      else {
+       if (frame_parms[CC_id]->N_RB_DL == 100)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624;
+       else if (frame_parms[CC_id]->N_RB_DL == 50)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/2;
+       else if (frame_parms[CC_id]->N_RB_DL == 25)
+         PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/4;
+      }
 
     }