optimization of symbols with CRS in TM2

openair1/PHY/INIT/lte_init.c

@@ -535,6 +535,8 @@ int phy_init_lte_eNB(PHY_VARS_eNB *eNB,
   }
 
   eNB->pdsch_config_dedicated->p_a = dB0;       //defaul value until overwritten by RRCConnectionReconfiguration
+
+  init_modulation_LUTs();
   return (0);
 }
 

openair1/PHY/LTE_TRANSPORT/power_control.c

@@ -56,8 +56,10 @@ double computeRhoA_eNB(uint8_t pa,
 
   sqrt_rho_a_lin= pow(10,(0.05*rho_a_dB));
 
+  if (dlsch_eNB) {
      dlsch_eNB->sqrt_rho_a= (short) (sqrt_rho_a_lin*pow(2,13));
-
+     dlsch_eNB->pa = pa;
+  }
 #if DEBUG_PC
   printf("eNB: p_a=%d, value=%f, sqrt_rho_a=%d\n",p_a,pa_values[ pdsch_config_dedicated->p_a],dlsch_eNB->sqrt_rho_a);
 #endif
@@ -86,8 +88,10 @@ double computeRhoB_eNB(uint8_t pa,
 
   sqrt_rho_b_lin= pow(10,(0.05*rho_b_dB));
 
+  if (dlsch_eNB) {
     dlsch_eNB->sqrt_rho_b= (short) (sqrt_rho_b_lin*pow(2,13));
-
+    dlsch_eNB->pb = pb;
+  }
 #ifdef DEBUG_PC
   printf("eNB: n_ant=%d, p_b=%d -> rho_b/rho_a=%f -> sqrt_rho_b=%d\n",n_antenna_port,pb,ratioPB[1][pb],dlsch_eNB->sqrt_rho_b);
 #endif

openair1/PHY/LTE_TRANSPORT/transport_eNB.h

@@ -178,6 +178,10 @@ typedef struct {
   uint8_t Kmimo;
   /// Nsoft parameter related to UE Category
   uint32_t Nsoft;
+  /// current pa value
+  int pa;
+  /// current pb value
+  int pb;
   /// amplitude of PDSCH (compared to RS) in symbols without pilots
   int16_t sqrt_rho_a;
   /// amplitude of PDSCH (compared to RS) in symbols containing pilots

openair1/PHY/LTE_TRANSPORT/transport_proto.h

@@ -222,6 +222,8 @@ int32_t dlsch_encoding_2threads(PHY_VARS_eNB *eNB,
     \param frame_parms Frame parameter descriptor
 */
 
+void init_modulation_LUTs(void);
+
 int32_t allocate_REs_in_RB(PHY_VARS_eNB *phy_vars_eNB,
                            int32_t **txdataF,
                            uint32_t *jj,