initializing UE-spec pilots for TM8

allocating memory for antenna ports 7 and 8

openair1/PHY/INIT/lte_init.c

@@ -692,6 +692,11 @@ void phy_config_dedicated_eNB(uint8_t Mod_id,
         eNB->do_precoding = 1;
         eNB->transmission_mode[UE_id] = 7;
         break;
+      case AntennaInfoDedicated__transmissionMode_tm8_v920:
+        lte_gold_ue_spec(eNB->lte_gold_uespec_table,eNB->frame_parms.Nid_cell,NULL);
+        eNB->do_precoding = 1;
+        eNB->transmission_mode[UE_id] = 8;
+        break;
       default:
         LOG_E(PHY,"Unknown transmission mode!\n");
         break;
@@ -1411,7 +1416,7 @@ int phy_init_lte_eNB(PHY_VARS_eNB *eNB,
 
       if (eNB->node_function != NGFI_RRU_IF5) {
         for (i=0; i<NB_ANTENNA_PORTS_ENB; i++) {
-          if (i<fp->nb_antenna_ports_eNB || i==5) {
+          if (i<fp->nb_antenna_ports_eNB || i==5 || i==7 || i==8) {
             common_vars->txdataF[eNB_id][i] = (int32_t*)malloc16_clear(fp->ofdm_symbol_size*fp->symbols_per_tti*10*sizeof(int32_t) );
 #ifdef DEBUG_PHY
             printf("[openair][LTE_PHY][INIT] common_vars->txdataF[%d][%d] = %p (%lu bytes)\n",
@@ -1436,7 +1441,7 @@ int phy_init_lte_eNB(PHY_VARS_eNB *eNB,
       }
 
       for (i=0; i<NB_ANTENNA_PORTS_ENB; i++) {
-        if (i<fp->nb_antenna_ports_eNB || i==5) {
+        if (i<fp->nb_antenna_ports_eNB || i==5 || i==7 || i==8) {
           common_vars->beam_weights[eNB_id][i] = (int32_t **)malloc16_clear(fp->nb_antennas_tx*sizeof(int32_t*));
           for (j=0; j<fp->nb_antennas_tx; j++) {
             common_vars->beam_weights[eNB_id][i][j] = (int32_t *)malloc16_clear(fp->ofdm_symbol_size*sizeof(int32_t));

openair1/PHY/LTE_REFSIG/defs.h

@@ -45,7 +45,7 @@ unsigned int lte_gold_generic(unsigned int *x1, unsigned int *x2, unsigned char
 void lte_gold(LTE_DL_FRAME_PARMS *frame_parms,uint32_t lte_gold_table[20][2][14],uint16_t Nid_cell);
 
 /*! \brief This function generates the LTE Gold sequence for DL UE-specific pilots for antenna ports 7,...,14 (transmission modes 8/9) */
-void lte_gold_ue_spec(LTE_DL_FRAME_PARMS *frame_parms,uint32_t lte_gold_uespec_table[2][20][2][21],uint16_t Nid_cell, uint16_t *n_idDMRS);
+void lte_gold_ue_spec(uint32_t lte_gold_uespec_table[2][20][2][21],uint16_t Nid_cell, uint16_t *n_idDMRS);
 
 /*! \brief This function generates the LTE Gold sequence for DL UE-specific pilots for antenna port 5 (transmission mode 7) */
 void lte_gold_ue_spec_port5(uint32_t lte_gold_uespec_port5_table[20][38],uint16_t Nid_cell, uint16_t n_rnti);

openair1/PHY/LTE_REFSIG/lte_gold.c

@@ -81,7 +81,7 @@ void lte_gold(LTE_DL_FRAME_PARMS *frame_parms,uint32_t lte_gold_table[20][2][14]
   }
 }
 
-void lte_gold_ue_spec(LTE_DL_FRAME_PARMS *frame_parms,uint32_t lte_gold_uespec_table[2][20][2][21],uint16_t Nid_cell, uint16_t *n_idDMRS)
+void lte_gold_ue_spec(uint32_t lte_gold_uespec_table[2][20][2][21],uint16_t Nid_cell, uint16_t *n_idDMRS)
 {
 
   unsigned char ns,l;

openair1/PHY/impl_defs_top.h

@@ -177,7 +177,7 @@
 #define DMA_BLKS_PER_SLOT    (SLOT_LENGTH_BYTES/2048)                    // Number of DMA blocks per slot
 #define SLOT_TIME_NS         (SLOT_LENGTH_SAMPLES*(1e3)/7.68)            // slot time in ns
 
-#define NB_ANTENNA_PORTS_ENB  6                                         // total number of eNB antenna ports
+#define NB_ANTENNA_PORTS_ENB  9                                         // total number of eNB antenna ports
 
 #ifdef EXMIMO
 #define TARGET_RX_POWER 55    // Target digital power for the AGC