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openairinterface5g/openair1/PHY/INIT/nr_init.c
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "executables/nr-softmodem-common.h"
#include "PHY/defs_gNB.h"
#include "PHY/phy_extern.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
#include "PHY/INIT/phy_init.h"
#include "PHY/CODING/nrPolar_tools/nr_polar_pbch_defs.h"
#include "PHY/NR_TRANSPORT/nr_transport.h"
/*#include "RadioResourceConfigCommonSIB.h"
#include "RadioResourceConfigDedicated.h"
#include "TDD-Config.h"
#include "MBSFN-SubframeConfigList.h"*/
#include "openair1/PHY/defs_RU.h"
#include "LAYER2/NR_MAC_gNB/mac_proto.h"
#include "assertions.h"
#include <math.h>
#include "PHY/NR_TRANSPORT/nr_ulsch.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
#include "SCHED_NR/fapi_nr_l1.h"
#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
#include "nfapi_nr_interface.h"
/*
extern uint32_t from_nrarfcn(int nr_bandP,uint32_t dl_nrarfcn);
extern int32_t get_nr_uldl_offset(int nr_bandP);
extern openair0_config_t openair0_cfg[MAX_CARDS];
*/
int l1_north_init_gNB() {
if (RC.nb_nr_L1_inst > 0 && RC.gNB != NULL) {
AssertFatal(RC.nb_nr_L1_inst>0,"nb_nr_L1_inst=%d\n",RC.nb_nr_L1_inst);
AssertFatal(RC.gNB!=NULL,"RC.gNB is null\n");
LOG_I(PHY,"%s() RC.nb_nr_L1_inst:%d\n", __FUNCTION__, RC.nb_nr_L1_inst);
for (int i=0; i<RC.nb_nr_L1_inst; i++) {
AssertFatal(RC.gNB[i]!=NULL,"RC.gNB[%d] is null\n",i);
if ((RC.gNB[i]->if_inst = NR_IF_Module_init(i))<0) return(-1);
LOG_I(PHY,"%s() RC.gNB[%d] installing callbacks\n", __FUNCTION__, i);
RC.gNB[i]->if_inst->NR_PHY_config_req = nr_phy_config_request;
RC.gNB[i]->if_inst->NR_Schedule_response = nr_schedule_response;
}
} else {
LOG_I(PHY,"%s() Not installing PHY callbacks - RC.nb_nr_L1_inst:%d RC.gNB:%p\n", __FUNCTION__, RC.nb_nr_L1_inst, RC.gNB);
}
return(0);
}
int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
unsigned char is_secondary_gNB,
unsigned char abstraction_flag) {
// shortcuts
NR_DL_FRAME_PARMS *const fp = &gNB->frame_parms;
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
NR_gNB_COMMON *const common_vars = &gNB->common_vars;
NR_gNB_PRACH *const prach_vars = &gNB->prach_vars;
NR_gNB_PUSCH **const pusch_vars = gNB->pusch_vars;
/*LTE_eNB_SRS *const srs_vars = gNB->srs_vars;
LTE_eNB_PRACH *const prach_vars = &gNB->prach_vars;*/
int i;
int Ptx=cfg->carrier_config.num_tx_ant.value;
int Prx=cfg->carrier_config.num_rx_ant.value;
AssertFatal(Ptx>0 && Ptx<9,"Ptx %d is not supported\n",Ptx);
AssertFatal(Prx>0 && Prx<9,"Prx %d is not supported\n",Prx);
LOG_I(PHY,"[gNB %d] %s() About to wait for gNB to be configured\n", gNB->Mod_id, __FUNCTION__);
while(gNB->configured == 0) usleep(10000);
init_dfts();
/*
LOG_I(PHY,"[gNB %"PRIu8"] Initializing DL_FRAME_PARMS : N_RB_DL %"PRIu8", PHICH Resource %d, PHICH Duration %d nb_antennas_tx:%u nb_antennas_rx:%u PRACH[rootSequenceIndex:%u prach_Config_enabled:%u configIndex:%u highSpeed:%u zeroCorrelationZoneConfig:%u freqOffset:%u]\n",
gNB->Mod_id,
fp->N_RB_DL,fp->phich_config_common.phich_resource,
fp->phich_config_common.phich_duration,
fp->nb_antennas_tx, fp->nb_antennas_rx,
fp->prach_config_common.rootSequenceIndex,
fp->prach_config_common.prach_Config_enabled,
fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
fp->prach_config_common.prach_ConfigInfo.highSpeedFlag,
fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig,
fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset
);*/
LOG_D(PHY,"[MSC_NEW][FRAME 00000][PHY_gNB][MOD %02"PRIu8"][]\n", gNB->Mod_id);
crcTableInit();
init_dfts();
// PBCH DMRS gold sequences generation
nr_init_pbch_dmrs(gNB);
//PDCCH DMRS init
gNB->nr_gold_pdcch_dmrs = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t **));
uint32_t ***pdcch_dmrs = gNB->nr_gold_pdcch_dmrs;
AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
for (int slot=0; slot<fp->slots_per_frame; slot++) {
pdcch_dmrs[slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t *));
AssertFatal(pdcch_dmrs[slot]!=NULL, "NR init: pdcch_dmrs for slot %d - malloc failed\n", slot);
for (int symb=0; symb<fp->symbols_per_slot; symb++) {
pdcch_dmrs[slot][symb] = (uint32_t *)malloc16(NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
AssertFatal(pdcch_dmrs[slot][symb]!=NULL, "NR init: pdcch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
}
}
nr_init_pdcch_dmrs(gNB, cfg->cell_config.phy_cell_id.value);
nr_init_pbch_interleaver(gNB->nr_pbch_interleaver);
//PDSCH DMRS init
gNB->nr_gold_pdsch_dmrs = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
uint32_t ****pdsch_dmrs = gNB->nr_gold_pdsch_dmrs;
for (int slot=0; slot<fp->slots_per_frame; slot++) {
pdsch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
AssertFatal(pdsch_dmrs[slot]!=NULL, "NR init: pdsch_dmrs for slot %d - malloc failed\n", slot);
for (int symb=0; symb<fp->symbols_per_slot; symb++) {
pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
AssertFatal(pdsch_dmrs[slot][symb]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
for (int q=0; q<NR_MAX_NB_CODEWORDS; q++) {
pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
}
}
}
nr_init_pdsch_dmrs(gNB, cfg->cell_config.phy_cell_id.value);
/// Transport init necessary for NR synchro
init_nr_transport(gNB);
gNB->first_run_I0_measurements = 1;
common_vars->rxdata = (int32_t **)malloc16(Prx*sizeof(int32_t*));
common_vars->txdataF = (int32_t **)malloc16(Ptx*sizeof(int32_t*));
common_vars->rxdataF = (int32_t **)malloc16(Prx*sizeof(int32_t*));
for (i=0;i<Ptx;i++){
common_vars->txdataF[i] = (int32_t*)malloc16_clear(fp->samples_per_frame_wCP*sizeof(int32_t)); // [hna] samples_per_frame without CP
LOG_D(PHY,"[INIT] common_vars->txdataF[%d] = %p (%lu bytes)\n",
i,common_vars->txdataF[i],
fp->samples_per_frame_wCP*sizeof(int32_t));
}
for (i=0;i<Prx;i++){
common_vars->rxdataF[i] = (int32_t*)malloc16_clear(fp->samples_per_frame_wCP*sizeof(int32_t));
common_vars->rxdata[i] = (int32_t*)malloc16_clear(fp->samples_per_frame*sizeof(int32_t));
}
// Channel estimates for SRS
/*
for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
srs_vars[UE_id].srs_ch_estimates = (int32_t **)malloc16( 64*sizeof(int32_t *) );
srs_vars[UE_id].srs_ch_estimates_time = (int32_t **)malloc16( 64*sizeof(int32_t *) );
for (i=0; i<64; i++) {
srs_vars[UE_id].srs_ch_estimates[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size );
srs_vars[UE_id].srs_ch_estimates_time[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
}
} //UE_id
*/
/*generate_ul_ref_sigs_rx();
init_ulsch_power_LUT();*/
/*
// SRS
for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
srs_vars[UE_id].srs = (int32_t *)malloc16_clear(2*fp->ofdm_symbol_size*sizeof(int32_t));
}
*/
// PRACH
prach_vars->prachF = (int16_t *)malloc16_clear( 1024*2*sizeof(int16_t) );
prach_vars->rxsigF = (int16_t *)malloc16_clear( 1024*2*sizeof(int16_t) );
prach_vars->prach_ifft = (int32_t *)malloc16_clear(1024*2*sizeof(int32_t));
int N_RB_UL = cfg->carrier_config.ul_grid_size[cfg->ssb_config.scs_common.value].value;
printf("Before ULSCH init : %p\n",gNB->dlsch[0][0]->harq_processes[0]);
for (int ULSCH_id=0; ULSCH_id<NUMBER_OF_NR_ULSCH_MAX; ULSCH_id++) {
printf("ULSCH_id %d : %p\n",ULSCH_id,gNB->dlsch[0][0]->harq_processes[0]);
pusch_vars[ULSCH_id] = (NR_gNB_PUSCH *)malloc16_clear( sizeof(NR_gNB_PUSCH) );
pusch_vars[ULSCH_id]->rxdataF_ext = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rxdataF_ext2 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_ext = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_estimates_time = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rxdataF_comp = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag0 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb0 = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_mag = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->ul_ch_magb = (int32_t **)malloc16(Prx*sizeof(int32_t *) );
pusch_vars[ULSCH_id]->rho = (int32_t **)malloc16_clear(Prx*sizeof(int32_t*) );
printf("ULSCH_id %d (before rx antenna alloc) : %p\n",ULSCH_id,gNB->dlsch[0][0]->harq_processes[0]);
for (i=0; i<Prx; i++) {
pusch_vars[ULSCH_id]->rxdataF_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->rxdataF_ext2[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_estimates[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_estimates_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_estimates_time[i] = (int32_t *)malloc16_clear( 2*sizeof(int32_t)*fp->ofdm_symbol_size );
pusch_vars[ULSCH_id]->rxdataF_comp[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*N_RB_UL*12*fp->symbols_per_slot );
pusch_vars[ULSCH_id]->ul_ch_mag0[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 );
pusch_vars[ULSCH_id]->ul_ch_magb0[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 );
pusch_vars[ULSCH_id]->ul_ch_mag[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 );
pusch_vars[ULSCH_id]->ul_ch_magb[i] = (int32_t *)malloc16_clear( fp->symbols_per_slot*sizeof(int32_t)*N_RB_UL*12 );
pusch_vars[ULSCH_id]->rho[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*(fp->N_RB_UL*12*7*2) );
}
printf("ULSCH_id %d (before llr alloc) : %p\n",ULSCH_id,gNB->dlsch[0][0]->harq_processes[0]);
pusch_vars[ULSCH_id]->llr = (int16_t *)malloc16_clear( (8*((3*8*6144)+12))*sizeof(int16_t) ); // [hna] 6144 is LTE and (8*((3*8*6144)+12)) is not clear
printf("ULSCH_id %d (after llr alloc) : %p\n",ULSCH_id,gNB->dlsch[0][0]->harq_processes[0]);
} //ulsch_id
/*
for (ulsch_id=0; ulsch_id<NUMBER_OF_UE_MAX; ulsch_id++)
gNB->UE_stats_ptr[ulsch_id] = &gNB->UE_stats[ulsch_id];
*/
printf("After ULSCH init : %p\n",gNB->dlsch[0][0]->harq_processes[0]);
return (0);
}
void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
{
//NR_DL_FRAME_PARMS* const fp = &gNB->frame_parms;
NR_gNB_COMMON *const common_vars = &gNB->common_vars;
NR_gNB_PUSCH **const pusch_vars = gNB->pusch_vars;
/*LTE_eNB_SRS *const srs_vars = gNB->srs_vars;
LTE_eNB_PRACH *const prach_vars = &gNB->prach_vars;*/
uint32_t ***pdcch_dmrs = gNB->nr_gold_pdcch_dmrs;
int Ptx=gNB->gNB_config.carrier_config.num_tx_ant.value;
for (int i = 0; i < Ptx; i++) {
free_and_zero(common_vars->txdataF[i]);
/* rxdataF[i] is not allocated -> don't free */
}
free_and_zero(common_vars->txdataF);
free_and_zero(common_vars->rxdataF);
// PDCCH DMRS sequences
free_and_zero(pdcch_dmrs);
/*
// Channel estimates for SRS
for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) {
for (i=0; i<64; i++) {
free_and_zero(srs_vars[UE_id].srs_ch_estimates[i]);
free_and_zero(srs_vars[UE_id].srs_ch_estimates_time[i]);
}
free_and_zero(srs_vars[UE_id].srs_ch_estimates);
free_and_zero(srs_vars[UE_id].srs_ch_estimates_time);
} //UE_id
//free_ul_ref_sigs();
for (UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) free_and_zero(srs_vars[UE_id].srs);
free_and_zero(prach_vars->prachF);
for (i = 0; i < 64; i++) free_and_zero(prach_vars->prach_ifft[0][i]);
free_and_zero(prach_vars->prach_ifft[0]);
free_and_zero(prach_vars->rxsigF[0]);
*/
for (int ULSCH_id=0; ULSCH_id<NUMBER_OF_NR_ULSCH_MAX; ULSCH_id++) {
for (int i = 0; i < 2; i++) {
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext[i]);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_ext[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_time[i]);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_comp[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_mag0[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb0[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_mag[i]);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb[i]);
free_and_zero(pusch_vars[ULSCH_id]->rho[i]);
}
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_ext2);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_ext);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_estimates_time);
free_and_zero(pusch_vars[ULSCH_id]->rxdataF_comp);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_mag0);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb0);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_mag);
free_and_zero(pusch_vars[ULSCH_id]->ul_ch_magb);
free_and_zero(pusch_vars[ULSCH_id]->rho);
free_and_zero(pusch_vars[ULSCH_id]->llr);
free_and_zero(pusch_vars[ULSCH_id]);
} //ULSCH_id
/*
for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) gNB->UE_stats_ptr[UE_id] = NULL;
*/
}
/*
void install_schedule_handlers(IF_Module_t *if_inst)
{
if_inst->PHY_config_req = phy_config_request;
if_inst->schedule_response = schedule_response;
}*/
/// this function is a temporary addition for NR configuration
void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,
int N_RB_DL,
int N_RB_UL,
int mu,
int Nid_cell,
uint64_t position_in_burst)
{
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
nfapi_nr_config_request_scf_t *gNB_config = &gNB->gNB_config;
//overwrite for new NR parameters
gNB_config->cell_config.phy_cell_id.value = Nid_cell;
gNB_config->ssb_config.scs_common.value = mu;
gNB_config->ssb_table.ssb_subcarrier_offset.value = 0;
gNB_config->ssb_table.ssb_offset_point_a.value = (N_RB_DL-20)>>1;
gNB_config->ssb_table.ssb_mask_list[0].ssb_mask.value = position_in_burst;
gNB_config->ssb_table.ssb_mask_list[1].ssb_mask.value = position_in_burst>>32;
gNB_config->cell_config.frame_duplex_type.value = TDD;
gNB_config->ssb_table.ssb_period.value = 1; //10ms
gNB_config->carrier_config.dl_grid_size[mu].value = N_RB_DL;
gNB_config->carrier_config.ul_grid_size[mu].value = N_RB_UL;
gNB_config->carrier_config.num_tx_ant.value = fp->nb_antennas_tx;
gNB_config->carrier_config.num_rx_ant.value = fp->nb_antennas_rx;
//gNB_config->subframe_config.dl_cyclic_prefix_type.value = (fp->Ncp == NORMAL) ? NFAPI_CP_NORMAL : NFAPI_CP_EXTENDED;
gNB->mac_enabled = 1;
fp->dl_CarrierFreq = 3500000000;//from_nrarfcn(gNB_config->nfapi_config.rf_bands.rf_band[0],gNB_config->nfapi_config.nrarfcn.value);
fp->ul_CarrierFreq = 3500000000;//fp->dl_CarrierFreq - (get_uldl_offset(gNB_config->nfapi_config.rf_bands.rf_band[0])*100000);
fp->nr_band = 78;
fp->threequarter_fs= 0;
nr_init_frame_parms(gNB_config, fp);
gNB->configured = 1;
LOG_I(PHY,"gNB configured\n");
}
void nr_phy_config_request(NR_PHY_Config_t *phy_config) {
uint8_t Mod_id = phy_config->Mod_id;
NR_DL_FRAME_PARMS *fp = &RC.gNB[Mod_id]->frame_parms;
nfapi_nr_config_request_scf_t *gNB_config = &RC.gNB[Mod_id]->gNB_config;
/*
gNB_config->cell_config.phy_cell_id.value = phy_config->cfg->cell_config.phy_cell_id.value;
gNB_config->carrier_config.dl_frequency.value = phy_config->cfg->carrier_config.dl_frequency.value;
gNB_config->carrier_config.uplink_frequency.value = phy_config->cfg->carrier_config.uplink_frequency.value;
gNB_config->ssb_config.scs_common.value = phy_config->cfg->ssb_config.scs_common.value;
gNB_config->carrier_config.dl_bandwidth.value = phy_config->cfg->carrier_config.dl_bandwidth.value;
gNB_config->carrier_config.uplink_bandwidth.value = phy_config->cfg->carrier_config.uplink_bandwidth.value;
gNB_config->ssb_table.ssb_subcarrier_offset.value = phy_config->cfg->ssb_table.ssb_subcarrier_offset.value;
gNB_config->ssb_table.ssb_offset_point_a.value = phy_config->cfg->ssb_table.ssb_offset_point_a.value;
gNB_config->ssb_table.ssb_mask_list[0].ssb_mask.value = phy_config->cfg->ssb_table.ssb_mask_list[0].ssb_mask.value;
gNB_config->ssb_table.ssb_mask_list[1].ssb_mask.value = phy_config->cfg->ssb_table.ssb_mask_list[1].ssb_mask.value;
gNB_config->ssb_table.ssb_period.value = phy_config->cfg->ssb_table.ssb_period.value;
for (int i=0; i<5; i++) {
gNB_config->carrier_config.dl_grid_size[i].value = phy_config->cfg->carrier_config.dl_grid_size[i].value;
gNB_config->carrier_config.ul_grid_size[i].value = phy_config->cfg->carrier_config.ul_grid_size[i].value;
gNB_config->carrier_config.dl_k0[i].value = phy_config->cfg->carrier_config.dl_k0[i].value;
gNB_config->carrier_config.ul_k0[i].value = phy_config->cfg->carrier_config.ul_k0[i].value;
}
if (phy_config->cfg->cell_config.frame_duplex_type.value == 0) {
gNB_config->cell_config.frame_duplex_type.value = FDD;
} else {
gNB_config->cell_config.frame_duplex_type.value = TDD;
}
memcpy((void*)&gNB_config->prach_config,(void*)&phy_config->cfg->prach_config,sizeof(phy_config->cfg->prach_config));
memcpy((void*)&gNB_config->tdd_table,(void*)&phy_config->cfg->tdd_table,sizeof(phy_config->cfg->tdd_table));
*/
memcpy((void*)gNB_config,phy_config->cfg,sizeof(*phy_config->cfg));
RC.gNB[Mod_id]->mac_enabled = 1;
fp->dl_CarrierFreq = (gNB_config->carrier_config.dl_frequency.value)*1e3 + (gNB_config->carrier_config.dl_bandwidth.value)*5e5;
int32_t dlul_offset = 0;
lte_frame_type_t frame_type = 0;
get_band(fp->dl_CarrierFreq,&fp->nr_band,&dlul_offset,&frame_type);
fp->ul_CarrierFreq = (gNB_config->carrier_config.uplink_frequency.value)*1e3 + (gNB_config->carrier_config.uplink_bandwidth.value)*5e5;
fp->threequarter_fs = openair0_cfg[0].threequarter_fs;
LOG_I(PHY,"Configuring MIB for instance %d, : (Nid_cell %d,DL freq %llu, UL freq %llu)\n",
Mod_id,
gNB_config->cell_config.phy_cell_id.value,
(unsigned long long)fp->dl_CarrierFreq,
(unsigned long long)fp->ul_CarrierFreq);
nr_init_frame_parms(gNB_config, fp);
if (RC.gNB[Mod_id]->configured == 1) {
LOG_E(PHY,"Already gNB already configured, do nothing\n");
return;
}
RC.gNB[Mod_id]->configured = 1;
LOG_I(PHY,"gNB %d configured\n",Mod_id);
}
void init_nr_transport(PHY_VARS_gNB *gNB) {
int i;
int j;
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
LOG_I(PHY, "Initialise nr transport\n");
uint16_t grid_size = cfg->carrier_config.dl_grid_size[fp->numerology_index].value;
for (i=0; i<NUMBER_OF_NR_DLSCH_MAX; i++) {
LOG_I(PHY,"Allocating Transport Channel Buffers for DLSCH %d/%d\n",i,NUMBER_OF_NR_DLSCH_MAX);
for (j=0; j<2; j++) {
gNB->dlsch[i][j] = new_gNB_dlsch(fp,1,16,NSOFT,0,grid_size);
AssertFatal(gNB->dlsch[i][j]!=NULL,"Can't initialize dlsch %d \n", i);
}
}
for (i=0; i<NUMBER_OF_NR_ULSCH_MAX; i++) {
LOG_I(PHY,"Allocating Transport Channel Buffer for ULSCH, UE %d\n",i);
for (j=0; j<2; j++) {
// ULSCH for data
gNB->ulsch[i][j] = new_gNB_ulsch(MAX_LDPC_ITERATIONS, fp->N_RB_UL, 0);
if (!gNB->ulsch[i][j]) {
LOG_E(PHY,"Can't get gNB ulsch structures\n");
exit(-1);
}
/*
LOG_I(PHY,"Initializing nFAPI for ULSCH, UE %d\n",i);
// [hna] added here for RT implementation
uint8_t harq_pid = 0;
nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &gNB->ulsch[i+1][j]->harq_processes[harq_pid]->ulsch_pdu;
// --------- setting rel15_ul parameters ----------
rel15_ul->rnti = 0x1234;
rel15_ul->ulsch_pdu_rel15.start_rb = 0;
rel15_ul->ulsch_pdu_rel15.number_rbs = 50;
rel15_ul->ulsch_pdu_rel15.start_symbol = 2;
rel15_ul->ulsch_pdu_rel15.number_symbols = 12;
rel15_ul->ulsch_pdu_rel15.nb_re_dmrs = 6;
rel15_ul->ulsch_pdu_rel15.length_dmrs = 1;
rel15_ul->ulsch_pdu_rel15.Qm = 2;
rel15_ul->ulsch_pdu_rel15.R = 679;
rel15_ul->ulsch_pdu_rel15.mcs = 9;
rel15_ul->ulsch_pdu_rel15.rv = 0;
rel15_ul->ulsch_pdu_rel15.n_layers = 1;
///////////////////////////////////////////////////
*/
}
}
gNB->rx_total_gain_dB=130;
//fp->pucch_config_common.deltaPUCCH_Shift = 1;
}
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