p_a and p_b depend only on cell-specific antenna ports

openair1/PHY/INIT/lte_param_init.c

@@ -82,7 +82,7 @@ void lte_param_init(unsigned char N_tx_port_eNB,
   //  frame_parms->Bsrs = 0;
   //  frame_parms->kTC = 0;44
   //  frame_parms->n_RRC = 0;
-  frame_parms->mode1_flag = (transmission_mode == 1 || transmission_mode ==7)? 1 : 0;
+  frame_parms->mode1_flag = (N_tx_port_eNB == 1);
 
   init_frame_parms(frame_parms,osf);
 
@@ -115,17 +115,21 @@ void lte_param_init(unsigned char N_tx_port_eNB,
 
   // DL power control init
   //if (transmission_mode == 1) {
-  if (transmission_mode == 1 || transmission_mode ==7) {
+  if (N_tx_port_eNB == 1) {
     eNB->pdsch_config_dedicated->p_a  = dB0; // 4 = 0dB
     ((eNB->frame_parms).pdsch_config_common).p_b = 0;
     UE->pdsch_config_dedicated->p_a  = dB0; // 4 = 0dB
     ((UE->frame_parms).pdsch_config_common).p_b = 0;
-  } else { // rho_a = rhob
+  } else if  (N_tx_port_eNB == 2) { // rho_a = rhob
     eNB->pdsch_config_dedicated->p_a  = dBm3; // 4 = 0dB
     ((eNB->frame_parms).pdsch_config_common).p_b = 1;
     UE->pdsch_config_dedicated->p_a  = dBm3; // 4 = 0dB
     ((UE->frame_parms).pdsch_config_common).p_b = 1;
   }
+  else {
+    LOG_E(PHY,"only 1 or 2 cell specific antenna ports supported!\n");
+    exit(-1);
+  }
 
   UE->perfect_ce = perfect_ce;