예제 #1
0
void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmission_mode,unsigned char extended_prefix_flag,uint16_t Nid_cell,uint8_t tdd_config)
{

  unsigned int ind;
  LTE_DL_FRAME_PARMS *lte_frame_parms;

  printf("Start lte_param_init (Nid_cell %d, extended_prefix %d, transmission_mode %d, N_tx %d, N_rx %d)\n",
         Nid_cell, extended_prefix_flag,transmission_mode,N_tx,N_rx);
  PHY_vars_eNB = malloc(sizeof(PHY_VARS_eNB));

  PHY_vars_UE = malloc(sizeof(PHY_VARS_UE));
  mac_xface = malloc(sizeof(MAC_xface));

  randominit(0);
  set_taus_seed(0);

  lte_frame_parms = &(PHY_vars_eNB->lte_frame_parms);

  lte_frame_parms->N_RB_DL            = 25;   //50 for 10MHz and 25 for 5 MHz
  lte_frame_parms->N_RB_UL            = 25;
  lte_frame_parms->Ncp                = extended_prefix_flag;
  lte_frame_parms->Nid_cell           = Nid_cell;
  lte_frame_parms->nushift            = 0;
  lte_frame_parms->nb_antennas_tx     = N_tx;
  lte_frame_parms->nb_antennas_rx     = N_rx;
  lte_frame_parms->tdd_config         = tdd_config;

  //  lte_frame_parms->Csrs = 2;
  //  lte_frame_parms->Bsrs = 0;
  //  lte_frame_parms->kTC = 0;
  //  lte_frame_parms->n_RRC = 0;
  lte_frame_parms->mode1_flag = (transmission_mode == 1)? 1 : 0;

  init_frame_parms(lte_frame_parms,1);

  //copy_lte_parms_to_phy_framing(lte_frame_parms, &(PHY_config->PHY_framing));

  phy_init_top(lte_frame_parms); //allocation


  lte_frame_parms->twiddle_fft      = twiddle_fft;
  lte_frame_parms->twiddle_ifft     = twiddle_ifft;
  lte_frame_parms->rev              = rev;

  memcpy(&PHY_vars_UE->lte_frame_parms,lte_frame_parms,sizeof(LTE_DL_FRAME_PARMS));


  phy_init_lte_top(lte_frame_parms);
  phy_init_lte_ue(PHY_vars_UE,1,0);
  phy_init_lte_eNB(PHY_vars_eNB,0,0,0);

  printf("Done lte_param_init\n");


}
예제 #2
0
void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmission_mode,unsigned char extended_prefix_flag,u16 Nid_cell,u8 N_RB_DL,u8 osf) {

  LTE_DL_FRAME_PARMS *lte_frame_parms;

  printf("Start lte_param_init\n");
  PHY_vars_eNB = (PHY_VARS_eNB *)malloc(sizeof(PHY_VARS_eNB));

  PHY_vars_UE = (PHY_VARS_UE *)malloc(sizeof(PHY_VARS_UE));
  //PHY_config = malloc(sizeof(PHY_CONFIG));
//  mac_xface = malloc(sizeof(MAC_xface));

  randominit(0);
  set_taus_seed(0);
  
  lte_frame_parms = &(PHY_vars_eNB->lte_frame_parms);

  lte_frame_parms->N_RB_DL            = N_RB_DL;   //50 for 10MHz and 25 for 5 MHz
  lte_frame_parms->N_RB_UL            = N_RB_DL;   
  lte_frame_parms->Ncp                = extended_prefix_flag;
  lte_frame_parms->Nid_cell           = Nid_cell;
  lte_frame_parms->nushift            = 0;
  lte_frame_parms->nb_antennas_tx     = N_tx;
  lte_frame_parms->nb_antennas_rx     = N_rx;
  //  lte_frame_parms->Csrs = 2;
  //  lte_frame_parms->Bsrs = 0;
  //  lte_frame_parms->kTC = 0;
  //  lte_frame_parms->n_RRC = 0;
  lte_frame_parms->mode1_flag = (transmission_mode == 1)? 1 : 0;
  lte_frame_parms->tdd_config = 1;
  lte_frame_parms->frame_type = 1;
  init_frame_parms(lte_frame_parms,osf);
  
  //copy_lte_parms_to_phy_framing(lte_frame_parms, &(PHY_config->PHY_framing));
  
  phy_init_top(lte_frame_parms); //allocation
  
  lte_frame_parms->twiddle_fft      = twiddle_fft;
  lte_frame_parms->twiddle_ifft     = twiddle_ifft;
  lte_frame_parms->rev              = rev;
  
  PHY_vars_UE->lte_frame_parms = *lte_frame_parms;

  phy_init_lte_top(lte_frame_parms);

  phy_init_lte_ue(PHY_vars_UE,0);

  phy_init_lte_eNB(PHY_vars_eNB,0,0,0);


  


  printf("Done lte_param_init\n");

}
예제 #3
0
void init_lte_vars(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs],
		   uint8_t frame_type,
		   uint8_t tdd_config,
		   uint8_t tdd_config_S,
		   uint8_t extended_prefix_flag, 
		   uint8_t N_RB_DL,
		   uint16_t Nid_cell,
		   uint8_t cooperation_flag,uint8_t transmission_mode,uint8_t abstraction_flag,
		   int nb_antennas_rx, uint8_t eMBMS_active_state) {

  uint8_t eNB_id,UE_id,RN_id,CC_id;

  mac_xface = malloc(sizeof(MAC_xface));

  memset(mac_xface, 0, sizeof(MAC_xface));

  LOG_I(PHY,"init lte parms: Nid_cell %d, Frame type %d, N_RB_DL %d\n",Nid_cell,frame_type,N_RB_DL);

  for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
    frame_parms[CC_id] = calloc(1, sizeof(LTE_DL_FRAME_PARMS));
    (frame_parms[CC_id])->frame_type         = frame_type;
    (frame_parms[CC_id])->tdd_config         = tdd_config;
    (frame_parms[CC_id])->tdd_config_S       = tdd_config_S;
    (frame_parms[CC_id])->N_RB_DL            = N_RB_DL;
    (frame_parms[CC_id])->N_RB_UL            = (frame_parms[CC_id])->N_RB_DL;
    (frame_parms[CC_id])->phich_config_common.phich_resource = oneSixth;
    (frame_parms[CC_id])->phich_config_common.phich_duration = normal;
    (frame_parms[CC_id])->Ncp                = extended_prefix_flag;
    (frame_parms[CC_id])->Nid_cell           = Nid_cell;
    (frame_parms[CC_id])->nushift            = (Nid_cell%6);
    (frame_parms[CC_id])->nb_antennas_tx     = (transmission_mode == 1) ? 1 : 2;
    (frame_parms[CC_id])->nb_antennas_tx_eNB = (transmission_mode == 1) ? 1 : 2;
    (frame_parms[CC_id])->nb_antennas_rx     = (transmission_mode == 1) ? 1 : 2;
    (frame_parms[CC_id])->mode1_flag = (transmission_mode == 1) ? 1 : 0;
    
    init_frame_parms(frame_parms[CC_id],1);
    
    (frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
    (frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1;
    (frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
    (frame_parms[CC_id])->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
    init_ul_hopping(frame_parms[CC_id]);
  } 

  
  phy_init_top(frame_parms[0]);
  
  phy_init_lte_top(frame_parms[0]);

  PHY_vars_eNB_g = (PHY_VARS_eNB***)malloc(NB_eNB_INST*sizeof(PHY_VARS_eNB**));
  for (eNB_id=0; eNB_id<NB_eNB_INST;eNB_id++){ 
    PHY_vars_eNB_g[eNB_id] = (PHY_VARS_eNB**) malloc(MAX_NUM_CCs*sizeof(PHY_VARS_eNB*));
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
      PHY_vars_eNB_g[eNB_id][CC_id] = init_lte_eNB(frame_parms[CC_id],eNB_id,Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
      PHY_vars_eNB_g[eNB_id][CC_id]->Mod_id=eNB_id;
      PHY_vars_eNB_g[eNB_id][CC_id]->CC_id=CC_id;
    }
  }


  PHY_vars_UE_g = (PHY_VARS_UE***)malloc(NB_UE_INST*sizeof(PHY_VARS_UE**));
  for (UE_id=0; UE_id<NB_UE_INST;UE_id++){
    PHY_vars_UE_g[UE_id] = (PHY_VARS_UE**) malloc(MAX_NUM_CCs*sizeof(PHY_VARS_UE*));
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
      (frame_parms[CC_id])->nb_antennas_tx     = 1;
      (frame_parms[CC_id])->nb_antennas_rx     = nb_antennas_rx;


      PHY_vars_UE_g[UE_id][CC_id] = init_lte_UE(frame_parms[CC_id], UE_id,abstraction_flag,transmission_mode);
      PHY_vars_UE_g[UE_id][CC_id]->Mod_id=UE_id;
      PHY_vars_UE_g[UE_id][CC_id]->CC_id=CC_id;
    }
  }

  if (NB_RN_INST > 0) {
    PHY_vars_RN_g = malloc(NB_RN_INST*sizeof(PHY_VARS_RN*));
    for (RN_id=0; RN_id<NB_RN_INST;RN_id++){
      PHY_vars_RN_g[RN_id] = init_lte_RN(*frame_parms,RN_id,eMBMS_active_state);
    }
  }
  
}
예제 #4
0
파일: dlsim.c 프로젝트: a4a881d4/oai
void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmission_mode) {

  unsigned int ind;

  printf("Start lte_param_init\n");
  PHY_vars_eNb = malloc(sizeof(PHY_VARS_eNB));
  PHY_vars_UE = malloc(sizeof(PHY_VARS_UE));
  PHY_config = malloc(sizeof(PHY_CONFIG));
  mac_xface = malloc(sizeof(MAC_xface));

  randominit(0);
  set_taus_seed(0);
  
  lte_frame_parms = &(PHY_vars_eNb->lte_frame_parms);

  lte_frame_parms->N_RB_DL            = 25;   //50 for 10MHz and 25 for 5 MHz
  lte_frame_parms->N_RB_UL            = 25;   
  lte_frame_parms->Ncp                = 1;
  lte_frame_parms->Nid_cell           = 0;
  lte_frame_parms->nushift            = 0;
  lte_frame_parms->nb_antennas_tx     = N_tx;
  lte_frame_parms->nb_antennas_rx     = N_rx;
  lte_frame_parms->first_dlsch_symbol = 4;
  lte_frame_parms->num_dlsch_symbols  = 6;
  lte_frame_parms->Csrs = 2;
  lte_frame_parms->Bsrs = 0;
  lte_frame_parms->kTC = 0;
  lte_frame_parms->n_RRC = 0;
  lte_frame_parms->mode1_flag = (transmission_mode == 1)? 1 : 0;

  init_frame_parms(lte_frame_parms);
  
  copy_lte_parms_to_phy_framing(lte_frame_parms, &(PHY_config->PHY_framing));
  
  phy_init_top(N_tx); //allocation
  
  lte_frame_parms->twiddle_fft      = twiddle_fft;
  lte_frame_parms->twiddle_ifft     = twiddle_ifft;
  lte_frame_parms->rev              = rev;
  
  PHY_vars_UE->lte_frame_parms = *lte_frame_parms;
  
  lte_gold(lte_frame_parms);
  generate_ul_ref_sigs();
  generate_ul_ref_sigs_rx();
  generate_64qam_table();
  generate_16qam_table();
  generate_RIV_tables();

  generate_pcfich_reg_mapping(lte_frame_parms);
  generate_phich_reg_mapping_ext(lte_frame_parms);

  phy_init_lte_ue(&PHY_vars_UE->lte_frame_parms,
		  &PHY_vars_UE->lte_ue_common_vars,
		  PHY_vars_UE->lte_ue_dlsch_vars,
		  PHY_vars_UE->lte_ue_dlsch_vars_cntl,
		  PHY_vars_UE->lte_ue_dlsch_vars_ra,
		  PHY_vars_UE->lte_ue_dlsch_vars_1A,
		  PHY_vars_UE->lte_ue_pbch_vars,
		  PHY_vars_UE->lte_ue_pdcch_vars,
		  PHY_vars_UE);

  phy_init_lte_eNB(&PHY_vars_eNb->lte_frame_parms,
		   &PHY_vars_eNb->lte_eNB_common_vars,
		   PHY_vars_eNb->lte_eNB_ulsch_vars,
		   0,
		   PHY_vars_eNb);

  
  printf("Done lte_param_init\n");


}