diff --git a/targets/RT/USER/lte-softmodem.c b/targets/RT/USER/lte-softmodem.c
index 7e8c10d286e1051aea37745505b6b6027a7a9706..fd98d7037f3f7375b32dd1fa643fd4da5001b441 100644
--- a/targets/RT/USER/lte-softmodem.c
+++ b/targets/RT/USER/lte-softmodem.c
@@ -1658,7 +1658,17 @@ 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;
+      }
 
     }