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openairinterface5g/openair1/PHY/INIT/nr_init_ue.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 "phy_init.h"
#include "PHY/phy_extern_nr_ue.h"
#include "openair1/PHY/defs_RU.h"
#include "openair1/PHY/impl_defs_nr.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "assertions.h"
#include "PHY/MODULATION/nr_modulation.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_ue.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "PHY/NR_REFSIG/pss_nr.h"
#include "PHY/NR_REFSIG/ul_ref_seq_nr.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
#include "PHY/MODULATION/nr_modulation.h"
#if 0
void phy_config_harq_ue(module_id_t Mod_id,
int CC_id,
uint8_t gNB_id,
uint16_t max_harq_tx) {
int num_of_threads,num_of_code_words;
PHY_VARS_NR_UE *phy_vars_ue = PHY_vars_UE_g[Mod_id][CC_id];
for (num_of_threads=0; num_of_threads<RX_NB_TH_MAX; num_of_threads++)
for (num_of_code_words=0; num_of_code_words<NR_MAX_NB_CODEWORDS; num_of_code_words++)
phy_vars_ue->ulsch[num_of_threads][gNB_id][num_of_code_words]->Mlimit = max_harq_tx;
}
#endif
extern uint16_t beta_cqi[16];
/*! \brief Helper function to allocate memory for DLSCH data structures.
* \param[out] pdsch Pointer to the LTE_UE_PDSCH structure to initialize.
* \param[in] frame_parms LTE_DL_FRAME_PARMS structure.
* \note This function is optimistic in that it expects malloc() to succeed.
*/
void phy_init_nr_ue_PDSCH(NR_UE_PDSCH *const pdsch,
const NR_DL_FRAME_PARMS *const fp) {
AssertFatal( pdsch, "pdsch==0" );
pdsch->llr128 = (int16_t **)malloc16_clear( sizeof(int16_t *) );
// FIXME! no further allocation for (int16_t*)pdsch->llr128 !!! expect SIGSEGV
// FK, 11-3-2015: this is only as a temporary pointer, no memory is stored there
pdsch->rxdataF_ext = (int32_t **)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->rxdataF_uespec_pilots = (int32_t **)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->rxdataF_comp0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->rho = (int32_t ***)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t **) );
pdsch->dl_ch_estimates = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_ch_estimates_ext = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_bf_ch_estimates = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_bf_ch_estimates_ext = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_ch_mag0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_ch_magb0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_ch_magr0 = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->ptrs_phase_per_slot = (int32_t **)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->ptrs_re_per_slot = (int32_t **)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t *) );
pdsch->dl_ch_ptrs_estimates_ext = (int32_t **)malloc16_clear( fp->nb_antennas_rx*sizeof(int32_t *) );
// the allocated memory size is fixed:
AssertFatal( fp->nb_antennas_rx <= 4, "nb_antennas_rx > 4" );//Extend the max number of UE Rx antennas to 4
const size_t num = 7*2*fp->N_RB_DL*12;
for (int i=0; i<fp->nb_antennas_rx; i++) {
pdsch->rxdataF_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->rxdataF_uespec_pilots[i] = (int32_t *)malloc16_clear( sizeof(int32_t) * fp->N_RB_DL*12);
pdsch->ptrs_phase_per_slot[i] = (int32_t *)malloc16_clear( sizeof(int32_t) * 14 );
pdsch->ptrs_re_per_slot[i] = (int32_t *)malloc16_clear( sizeof(int32_t) * 14);
pdsch->dl_ch_ptrs_estimates_ext[i] = (int32_t *)malloc16_clear( sizeof(int32_t) * num);
pdsch->rho[i] = (int32_t **)malloc16_clear( NR_MAX_NB_LAYERS*NR_MAX_NB_LAYERS*sizeof(int32_t *) );
for (int j=0; j<NR_MAX_NB_LAYERS; j++) {
const int idx = (j*fp->nb_antennas_rx)+i;
for (int k=0; k<NR_MAX_NB_LAYERS; k++) {
pdsch->rho[i][j*NR_MAX_NB_LAYERS+k] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
}
pdsch->rxdataF_comp0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_estimates[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * fp->ofdm_symbol_size*7*2);
pdsch->dl_ch_estimates_ext[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_bf_ch_estimates[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * fp->ofdm_symbol_size*7*2);
pdsch->dl_bf_ch_estimates_ext[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_mag0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_magb0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
pdsch->dl_ch_magr0[idx] = (int32_t *)malloc16_clear( sizeof(int32_t) * num );
}
}
}
void phy_term_nr_ue__PDSCH(NR_UE_PDSCH* pdsch, const NR_DL_FRAME_PARMS *const fp)
{
for (int i = 0; i < fp->nb_antennas_rx; i++) {
for (int j = 0; j < NR_MAX_NB_LAYERS; j++) {
const int idx = j * fp->nb_antennas_rx + i;
for (int k = 0; k < NR_MAX_NB_LAYERS; k++)
free_and_zero(pdsch->rho[i][j*NR_MAX_NB_LAYERS+k]);
free_and_zero(pdsch->rxdataF_comp0[idx]);
free_and_zero(pdsch->dl_ch_estimates[idx]);
free_and_zero(pdsch->dl_ch_estimates_ext[idx]);
free_and_zero(pdsch->dl_bf_ch_estimates[idx]);
free_and_zero(pdsch->dl_bf_ch_estimates_ext[idx]);
free_and_zero(pdsch->dl_ch_mag0[idx]);
free_and_zero(pdsch->dl_ch_magb0[idx]);
free_and_zero(pdsch->dl_ch_magr0[idx]);
}
free_and_zero(pdsch->rxdataF_ext[i]);
free_and_zero(pdsch->rxdataF_uespec_pilots[i]);
free_and_zero(pdsch->ptrs_phase_per_slot[i]);
free_and_zero(pdsch->ptrs_re_per_slot[i]);
free_and_zero(pdsch->dl_ch_ptrs_estimates_ext[i]);
free_and_zero(pdsch->rho[i]);
}
free_and_zero(pdsch->pmi_ext);
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
for (int i=0; i<nb_codewords; i++)
free_and_zero(pdsch->llr[i]);
for (int i=0; i<NR_MAX_NB_LAYERS; i++)
free_and_zero(pdsch->layer_llr[i]);
free_and_zero(pdsch->llr128);
free_and_zero(pdsch->rxdataF_ext);
free_and_zero(pdsch->rxdataF_uespec_pilots);
free_and_zero(pdsch->rxdataF_comp0);
free_and_zero(pdsch->rho);
free_and_zero(pdsch->dl_ch_estimates);
free_and_zero(pdsch->dl_ch_estimates_ext);
free_and_zero(pdsch->dl_bf_ch_estimates);
free_and_zero(pdsch->dl_bf_ch_estimates_ext);
free_and_zero(pdsch->dl_ch_mag0);
free_and_zero(pdsch->dl_ch_magb0);
free_and_zero(pdsch->dl_ch_magr0);
free_and_zero(pdsch->ptrs_phase_per_slot);
free_and_zero(pdsch->ptrs_re_per_slot);
free_and_zero(pdsch->dl_ch_ptrs_estimates_ext);
}
int init_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
{
// create shortcuts
NR_DL_FRAME_PARMS *const fp = &ue->frame_parms;
NR_UE_COMMON *const common_vars = &ue->common_vars;
NR_UE_PBCH **const pbch_vars = ue->pbch_vars;
NR_UE_PRACH **const prach_vars = ue->prach_vars;
int i,j,slot,symb, gNB_id, th_id;
NR_UE_SRS **const srs_vars = ue->srs_vars;
LOG_I(PHY, "Initializing UE vars for gNB TXant %u, UE RXant %u\n", fp->nb_antennas_tx, fp->nb_antennas_rx);
phy_init_nr_top(ue);
// many memory allocation sizes are hard coded
AssertFatal( fp->nb_antennas_rx <= 4, "hard coded allocation for ue_common_vars->dl_ch_estimates[gNB_id]" );
AssertFatal( nb_connected_gNB <= NUMBER_OF_CONNECTED_gNB_MAX, "n_connected_gNB is too large" );
// init phy_vars_ue
for (i=0; i<4; i++) {
ue->rx_gain_max[i] = 135;
ue->rx_gain_med[i] = 128;
ue->rx_gain_byp[i] = 120;
}
ue->n_connected_gNB = nb_connected_gNB;
for(gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
ue->total_TBS[gNB_id] = 0;
ue->total_TBS_last[gNB_id] = 0;
ue->bitrate[gNB_id] = 0;
ue->total_received_bits[gNB_id] = 0;
ue->ul_time_alignment[gNB_id].apply_ta = 0;
ue->ul_time_alignment[gNB_id].ta_frame = -1;
ue->ul_time_alignment[gNB_id].ta_slot = -1;
}
// init NR modulation lookup tables
nr_generate_modulation_table();
/////////////////////////PUCCH init/////////////////////////
///////////
for (th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
for (gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
ue->pucch_vars[th_id][gNB_id] = (NR_UE_PUCCH *)malloc16(sizeof(NR_UE_PUCCH));
for (i=0; i<2; i++)
ue->pucch_vars[th_id][gNB_id]->active[i] = false;
}
}
///////////
////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////PUSCH DMRS init/////////////////////////
///////////
// ceil(((NB_RB*6(k)*2(QPSK)/32) // 3 RE *2(QPSK)
int pusch_dmrs_init_length = ((fp->N_RB_UL*12)>>5)+1;
ue->nr_gold_pusch_dmrs = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
uint32_t ****pusch_dmrs = ue->nr_gold_pusch_dmrs;
for (slot=0; slot<fp->slots_per_frame; slot++) {
pusch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
AssertFatal(pusch_dmrs[slot]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d - malloc failed\n", slot);
for (symb=0; symb<fp->symbols_per_slot; symb++) {
pusch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_NB_NSCID*sizeof(uint32_t *));
AssertFatal(pusch_dmrs[slot][symb]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
for (int q=0; q<NR_NB_NSCID; q++) {
pusch_dmrs[slot][symb][q] = (uint32_t *)malloc16(pusch_dmrs_init_length*sizeof(uint32_t));
AssertFatal(pusch_dmrs[slot][symb][q]!=NULL, "init_nr_ue_signal: pusch_dmrs for slot %d symbol %d nscid %d - malloc failed\n", slot, symb, q);
}
}
}
///////////
////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////PUSCH PTRS init/////////////////////////
///////////
//------------- config PTRS parameters--------------//
// ptrs_Uplink_Config->timeDensity.ptrs_mcs1 = 2; // setting MCS values to 0 indicate abscence of time_density field in the configuration
// ptrs_Uplink_Config->timeDensity.ptrs_mcs2 = 4;
// ptrs_Uplink_Config->timeDensity.ptrs_mcs3 = 10;
// ptrs_Uplink_Config->frequencyDensity.n_rb0 = 25; // setting N_RB values to 0 indicate abscence of frequency_density field in the configuration
// ptrs_Uplink_Config->frequencyDensity.n_rb1 = 75;
// ptrs_Uplink_Config->resourceElementOffset = 0;
//-------------------------------------------------//
///////////
////////////////////////////////////////////////////////////////////////////////////////////
for (i=0; i<10; i++)
ue->tx_power_dBm[i]=-127;
// init TX buffers
common_vars->txdata = (int32_t **)malloc16( fp->nb_antennas_tx*sizeof(int32_t *) );
common_vars->txdataF = (int32_t **)malloc16( fp->nb_antennas_tx*sizeof(int32_t *) );
for (i=0; i<fp->nb_antennas_tx; i++) {
common_vars->txdata[i] = (int32_t *)malloc16_clear( fp->samples_per_subframe*10*sizeof(int32_t) );
common_vars->txdataF[i] = (int32_t *)malloc16_clear( fp->samples_per_slot_wCP*sizeof(int32_t) );
}
// init RX buffers
common_vars->rxdata = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
common_vars->common_vars_rx_data_per_thread[th_id].rxdataF = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
}
for (i=0; i<fp->nb_antennas_rx; i++) {
common_vars->rxdata[i] = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
common_vars->common_vars_rx_data_per_thread[th_id].rxdataF[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*(fp->samples_per_slot_wCP) );
}
}
// ceil(((NB_RB<<1)*3)/32) // 3 RE *2(QPSK)
int pdcch_dmrs_init_length = (((fp->N_RB_DL<<1)*3)>>5)+1;
//PDCCH DMRS init (gNB offset = 0)
ue->nr_gold_pdcch[0] = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t **));
uint32_t ***pdcch_dmrs = ue->nr_gold_pdcch[0];
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(pdcch_dmrs_init_length*sizeof(uint32_t));
AssertFatal(pdcch_dmrs[slot][symb]!=NULL, "NR init: pdcch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
}
}
// ceil(((NB_RB*6(k)*2(QPSK)/32) // 3 RE *2(QPSK)
int pdsch_dmrs_init_length = ((fp->N_RB_DL*12)>>5)+1;
//PDSCH DMRS init (eNB offset = 0)
ue->nr_gold_pdsch[0] = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
uint32_t ****pdsch_dmrs = ue->nr_gold_pdsch[0];
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_NB_NSCID*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_NB_NSCID; q++) {
pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(pdsch_dmrs_init_length*sizeof(uint32_t));
AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d nscid %d - malloc failed\n", slot, symb, q);
}
}
}
// DLSCH
for (gNB_id = 0; gNB_id < ue->n_connected_gNB+1; gNB_id++) {
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
ue->pdsch_vars[th_id][gNB_id] = (NR_UE_PDSCH *)malloc16_clear(sizeof(NR_UE_PDSCH));
}
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
phy_init_nr_ue_PDSCH( ue->pdsch_vars[th_id][gNB_id], fp );
}
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
for (i=0; i<nb_codewords; i++) {
ue->pdsch_vars[th_id][gNB_id]->llr[i] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) );//Q_m = 8 bits/Sym, Code_Rate=3, Number of Segments =8, Circular Buffer K_cb = 8448
}
for (i=0; i<NR_MAX_NB_LAYERS; i++) {
ue->pdsch_vars[th_id][gNB_id]->layer_llr[i] = (int16_t *)malloc16_clear( (8*(3*8*8448))*sizeof(int16_t) );//Q_m = 8 bits/Sym, Code_Rate=3, Number of Segments =8, Circular Buffer K_cb = 8448
}
}
}
for (gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
ue->pdcch_vars[th_id][gNB_id] = (NR_UE_PDCCH *)malloc16_clear(sizeof(NR_UE_PDCCH));
}
prach_vars[gNB_id] = (NR_UE_PRACH *)malloc16_clear(sizeof(NR_UE_PRACH));
pbch_vars[gNB_id] = (NR_UE_PBCH *)malloc16_clear(sizeof(NR_UE_PBCH));
srs_vars[gNB_id] = (NR_UE_SRS *)malloc16_clear(sizeof(NR_UE_SRS));
srs_vars[gNB_id]->active = false;
ue->nr_srs_info = (nr_srs_info_t *)malloc16_clear(sizeof(nr_srs_info_t));
ue->nr_srs_info->sc_list = (uint16_t *) malloc16_clear(6*fp->N_RB_UL*sizeof(uint16_t));
ue->nr_srs_info->srs_generated_signal = (int32_t *) malloc16_clear( (2*(fp->samples_per_frame)+2048)*sizeof(int32_t) );
ue->nr_srs_info->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
ue->nr_srs_info->srs_received_signal = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_ls_estimated_channel = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_freq = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_time = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->nr_srs_info->srs_estimated_channel_time_shifted = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
for (i=0; i<fp->nb_antennas_rx; i++) {
ue->nr_srs_info->srs_received_signal[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_ls_estimated_channel[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_freq[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_time[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
ue->nr_srs_info->srs_estimated_channel_time_shifted[i] = (int32_t *) malloc16_clear(fp->ofdm_symbol_size*MAX_NUM_NR_SRS_SYMBOLS*sizeof(int32_t));
}
// 100 PRBs * 12 REs/PRB * 4 PDCCH SYMBOLS * 2 LLRs/RE
for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {
ue->pdcch_vars[th_id][gNB_id]->llr = (int16_t *)malloc16_clear( 2*4*100*12*sizeof(uint16_t) );
ue->pdcch_vars[th_id][gNB_id]->llr16 = (int16_t *)malloc16_clear( 2*4*100*12*sizeof(uint16_t) );
ue->pdcch_vars[th_id][gNB_id]->wbar = (int16_t *)malloc16_clear( 2*4*100*12*sizeof(uint16_t) );
ue->pdcch_vars[th_id][gNB_id]->e_rx = (int16_t *)malloc16_clear( 4*2*100*12 );
ue->pdcch_vars[th_id][gNB_id]->rxdataF_comp = (int32_t **)malloc16_clear( 4*fp->nb_antennas_rx*sizeof(int32_t *) );
ue->pdcch_vars[th_id][gNB_id]->rho = (int32_t **)malloc16( fp->nb_antennas_rx*sizeof(int32_t *) );
ue->pdcch_vars[th_id][gNB_id]->rxdataF_ext = (int32_t **)malloc16_clear( 4*fp->nb_antennas_rx*sizeof(int32_t *) );
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_ext = (int32_t **)malloc16_clear( 4*fp->nb_antennas_rx*sizeof(int32_t *) );
// Channel estimates
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates = (int32_t **)malloc16_clear(4*fp->nb_antennas_rx*sizeof(int32_t *));
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_time = (int32_t **)malloc16_clear(4*fp->nb_antennas_rx*sizeof(int32_t *));
for (i=0; i<fp->nb_antennas_rx; i++) {
ue->pdcch_vars[th_id][gNB_id]->rho[i] = (int32_t *)malloc16_clear( sizeof(int32_t)*(100*12*4));
for (j=0; j<4; j++) {
int idx = (j*fp->nb_antennas_rx)+i;
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates[idx] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH) );
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_time[idx] = (int32_t *)malloc16_clear( sizeof(int32_t)*fp->ofdm_symbol_size*2 );
// size_t num = 7*2*fp->N_RB_DL*12;
size_t num = 4*273*12; // 4 symbols, 100 PRBs, 12 REs per PRB
ue->pdcch_vars[th_id][gNB_id]->rxdataF_comp[idx] = (int32_t *)malloc16_clear(sizeof(int32_t) * num);
ue->pdcch_vars[th_id][gNB_id]->rxdataF_ext[idx] = (int32_t *)malloc16_clear(sizeof(int32_t) * num);
ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_ext[idx] = (int32_t *)malloc16_clear(sizeof(int32_t) * num);
}
}
}
// RACH
prach_vars[gNB_id]->prachF = (int16_t *)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
prach_vars[gNB_id]->prach = (int16_t *)malloc16_clear( sizeof(int)*(7*2*sizeof(int)*(fp->ofdm_symbol_size*12)) );
}
ue->sinr_CQI_dB = (double *) malloc16_clear( fp->N_RB_DL*12*sizeof(double) );
ue->init_averaging = 1;
// default value until overwritten by RRCConnectionReconfiguration
if (fp->nb_antenna_ports_gNB==2)
ue->pdsch_config_dedicated->p_a = dBm3;
else
ue->pdsch_config_dedicated->p_a = dB0;
// enable MIB/SIB decoding by default
ue->decode_MIB = 1;
ue->decode_SIB = 1;
init_nr_prach_tables(839);
init_symbol_rotation(fp);
return 0;
}
void term_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
{
const NR_DL_FRAME_PARMS* fp = &ue->frame_parms;
phy_term_nr_top();
for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
for (int gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
free_and_zero(ue->pucch_vars[th_id][gNB_id]);
}
}
for (int slot = 0; slot < fp->slots_per_frame; slot++) {
for (int symb = 0; symb < fp->symbols_per_slot; symb++) {
for (int q=0; q<NR_NB_NSCID; q++)
free_and_zero(ue->nr_gold_pusch_dmrs[slot][symb][q]);
free_and_zero(ue->nr_gold_pusch_dmrs[slot][symb]);
}
free_and_zero(ue->nr_gold_pusch_dmrs[slot]);
}
free_and_zero(ue->nr_gold_pusch_dmrs);
NR_UE_COMMON* common_vars = &ue->common_vars;
for (int i = 0; i < fp->nb_antennas_tx; i++) {
free_and_zero(common_vars->txdata[i]);
free_and_zero(common_vars->txdataF[i]);
}
free_and_zero(common_vars->txdata);
free_and_zero(common_vars->txdataF);
for (int i = 0; i < fp->nb_antennas_rx; i++) {
free_and_zero(common_vars->rxdata[i]);
for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++)
free_and_zero(common_vars->common_vars_rx_data_per_thread[th_id].rxdataF[i]);
}
for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
free_and_zero(common_vars->common_vars_rx_data_per_thread[th_id].rxdataF);
}
free_and_zero(common_vars->rxdata);
for (int slot = 0; slot < fp->slots_per_frame; slot++) {
for (int symb = 0; symb < fp->symbols_per_slot; symb++)
free_and_zero(ue->nr_gold_pdcch[0][slot][symb]);
free_and_zero(ue->nr_gold_pdcch[0][slot]);
}
free_and_zero(ue->nr_gold_pdcch[0]);
for (int slot=0; slot<fp->slots_per_frame; slot++) {
for (int symb=0; symb<fp->symbols_per_slot; symb++) {
for (int q=0; q<NR_NB_NSCID; q++)
free_and_zero(ue->nr_gold_pdsch[0][slot][symb][q]);
free_and_zero(ue->nr_gold_pdsch[0][slot][symb]);
}
free_and_zero(ue->nr_gold_pdsch[0][slot]);
}
free_and_zero(ue->nr_gold_pdsch[0]);
for (int gNB_id = 0; gNB_id < ue->n_connected_gNB+1; gNB_id++) {
// PDSCH
for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
free_and_zero(ue->pdsch_vars[th_id][gNB_id]->llr_shifts);
free_and_zero(ue->pdsch_vars[th_id][gNB_id]->llr128_2ndstream);
phy_term_nr_ue__PDSCH(ue->pdsch_vars[th_id][gNB_id], fp);
free_and_zero(ue->pdsch_vars[th_id][gNB_id]);
}
}
for (int gNB_id = 0; gNB_id < ue->n_connected_gNB; gNB_id++) {
for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
for (int i = 0; i < fp->nb_antennas_rx; i++) {
for (int j = 0; j < 4; j++) {
int idx = j * fp->nb_antennas_rx + i;
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates[idx]);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_time[idx]);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rxdataF_comp[idx]);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rxdataF_ext[idx]);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_ext[idx]);
}
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rho[i]);
}
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->llr);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->llr16);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->wbar);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->e_rx);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rxdataF_comp);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rho);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->rxdataF_ext);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_ext);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]->dl_ch_estimates_time);
free_and_zero(ue->pdcch_vars[th_id][gNB_id]);
}
for (int i = 0; i < fp->nb_antennas_rx; i++) {
free_and_zero(ue->nr_srs_info->srs_received_signal[i]);
free_and_zero(ue->nr_srs_info->srs_ls_estimated_channel[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_freq[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time[i]);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time_shifted[i]);
}
free_and_zero(ue->nr_srs_info->sc_list);
free_and_zero(ue->nr_srs_info->srs_generated_signal);
free_and_zero(ue->nr_srs_info->noise_power);
free_and_zero(ue->nr_srs_info->srs_received_signal);
free_and_zero(ue->nr_srs_info->srs_ls_estimated_channel);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_freq);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time);
free_and_zero(ue->nr_srs_info->srs_estimated_channel_time_shifted);
free_and_zero(ue->nr_srs_info);
free_and_zero(ue->srs_vars[gNB_id]);
free_and_zero(ue->pbch_vars[gNB_id]);
free_and_zero(ue->prach_vars[gNB_id]->prachF);
free_and_zero(ue->prach_vars[gNB_id]->prach);
free_and_zero(ue->prach_vars[gNB_id]);
}
free_and_zero(ue->sinr_CQI_dB);
}
void term_nr_ue_transport(PHY_VARS_NR_UE *ue)
{
const int N_RB_DL = ue->frame_parms.N_RB_DL;
for (int i = 0; i < NUMBER_OF_CONNECTED_gNB_MAX; i++) {
for (int j = 0; j < 2; j++) {
for (int k = 0; k < RX_NB_TH_MAX; k++) {
free_nr_ue_dlsch(&ue->dlsch[k][i][j], N_RB_DL);
if (j==0)
free_nr_ue_ulsch(&ue->ulsch[k][i], N_RB_DL);
}
}
free_nr_ue_dlsch(&ue->dlsch_SI[i], N_RB_DL);
free_nr_ue_dlsch(&ue->dlsch_ra[i], N_RB_DL);
}
free_nr_ue_dlsch(&ue->dlsch_MCH[0], N_RB_DL);
}
void init_nr_ue_transport(PHY_VARS_NR_UE *ue) {
int num_codeword = NR_MAX_NB_LAYERS > 4? 2:1;
for (int i = 0; i < NUMBER_OF_CONNECTED_gNB_MAX; i++) {
for (int j=0; j<num_codeword; j++) {
for (int k=0; k<RX_NB_TH_MAX; k++) {
AssertFatal((ue->dlsch[k][i][j] = new_nr_ue_dlsch(1,NR_MAX_DLSCH_HARQ_PROCESSES,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL))!=NULL,"Can't get ue dlsch structures\n");
LOG_D(PHY,"dlsch[%d][%d][%d] => %p\n",k,i,j,ue->dlsch[k][i][j]);
if (j==0) {
AssertFatal((ue->ulsch[k][i] = new_nr_ue_ulsch(ue->frame_parms.N_RB_UL, NR_MAX_ULSCH_HARQ_PROCESSES))!=NULL,"Can't get ue ulsch structures\n");
LOG_D(PHY,"ulsch[%d][%d] => %p\n",k,i,ue->ulsch[k][i]);
}
}
}
ue->dlsch_SI[i] = new_nr_ue_dlsch(1,1,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL);
ue->dlsch_ra[i] = new_nr_ue_dlsch(1,1,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL);
ue->transmission_mode[i] = ue->frame_parms.nb_antenna_ports_gNB==1 ? 1 : 2;
}
//ue->frame_parms.pucch_config_common.deltaPUCCH_Shift = 1;
ue->dlsch_MCH[0] = new_nr_ue_dlsch(1,NR_MAX_DLSCH_HARQ_PROCESSES,NSOFT,MAX_LDPC_ITERATIONS_MBSFN,ue->frame_parms.N_RB_DL);
for(int i=0; i<5; i++)
ue->dl_stats[i] = 0;
}
void init_N_TA_offset(PHY_VARS_NR_UE *ue){
NR_DL_FRAME_PARMS *fp = &ue->frame_parms;
if (fp->frame_type == FDD) {
ue->N_TA_offset = 0;
} else {
int N_TA_offset = fp->ul_CarrierFreq < 6e9 ? 400 : 431; // reference samples for 25600Tc @ 30.72 Ms/s for FR1, same @ 61.44 Ms/s for FR2
double factor = 1.0;
switch (fp->numerology_index) {
case 0: //15 kHz scs
AssertFatal(N_TA_offset == 400, "scs_common 15kHz only for FR1\n");
factor = fp->samples_per_subframe / 30720.0;
break;
case 1: //30 kHz sc
AssertFatal(N_TA_offset == 400, "scs_common 30kHz only for FR1\n");
factor = fp->samples_per_subframe / 30720.0;
break;
case 2: //60 kHz scs
AssertFatal(1==0, "scs_common should not be 60 kHz\n");
break;
case 3: //120 kHz scs
AssertFatal(N_TA_offset == 431, "scs_common 120kHz only for FR2\n");
factor = fp->samples_per_subframe / 61440.0;
break;
case 4: //240 kHz scs
AssertFatal(N_TA_offset == 431, "scs_common 240kHz only for FR2\n");
factor = fp->samples_per_subframe / 61440.0;
break;
default:
AssertFatal(1==0, "Invalid scs_common!\n");
}
ue->N_TA_offset = (int)(N_TA_offset * factor);
LOG_I(PHY,"UE %d Setting N_TA_offset to %d samples (factor %f, UL Freq %lu, N_RB %d, mu %d)\n", ue->Mod_id, ue->N_TA_offset, factor, fp->ul_CarrierFreq, fp->N_RB_DL, fp->numerology_index);
}
}
void phy_init_nr_top(PHY_VARS_NR_UE *ue) {
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
crcTableInit();
init_scrambling_luts();
load_dftslib();
init_context_synchro_nr(frame_parms);
generate_ul_reference_signal_sequences(SHRT_MAX);
// Polar encoder init for PBCH
//lte_sync_time_init(frame_parms);
//generate_ul_ref_sigs();
//generate_ul_ref_sigs_rx();
//generate_64qam_table();
//generate_16qam_table();
//generate_RIV_tables();
//init_unscrambling_lut();
//set_taus_seed(1328);
}
void phy_term_nr_top(void)
{
free_ul_reference_signal_sequences();
free_context_synchro_nr();
}
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