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PUSCH DMRS generation is implemented

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This commit is contained in:
Khalid Ahmed
2019-06-04 11:33:36 +02:00
committed by Thomas Schlichter
parent 9b58180c88
commit f3ebd69477
9 changed files with 111 additions and 10 deletions
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openair1/SIMULATION/NR_PHY/ulsim.c
+30 -4
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@@ -145,7 +145,7 @@ int main(int argc, char **argv) {
uint16_t N_RB_DL = 106, N_RB_UL = 106, mu = 1;
//unsigned char frame_type = 0;
unsigned char pbch_phase = 0;
int frame = 0, subframe = 0;
int frame = 0, subframe = 0, slot = 1;
int frame_length_complex_samples;
NR_DL_FRAME_PARMS *frame_parms;
uint32_t Nsoft = 0;
@@ -158,6 +158,12 @@ int main(int argc, char **argv) {
uint16_t nb_symb_sch = 12;
uint16_t nb_rb = 50;
uint8_t Imcs = 9;
uint16_t n_dmrs;
uint8_t dmrs_TypeA_Position;
int l0;
uint32_t ***pusch_dmrs;
PUSCH_TimeDomainResourceAllocation_t pusch_time_alloc;
cpuf = get_cpu_freq_GHz();
@@ -453,6 +459,12 @@ int main(int argc, char **argv) {
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
printf("available bits %d TBS %d mod_order %d\n", available_bits, TBS, mod_order);
/////////// setting PUSCH_TimeDomainResourceAllocation_t parameters ///////////
pusch_time_alloc.mappingType = typeA;
///////////////////////////////////////////////////
/////////// setting rel15_ul parameters ///////////
rel15_ul->number_rbs = nb_rb;
rel15_ul->number_symbols = nb_symb_sch;
@@ -565,9 +577,23 @@ int main(int argc, char **argv) {
///////////
////////////////////////////////////////////////////////////////////////
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
n_errors = 0;
n_false_positive = 0;
/////////////////////////PUSCH DMRS/////////////////////////
///////////
pusch_dmrs = UE->nr_gold_pusch_dmrs[slot];
dmrs_TypeA_Position = 2; // This parameter is given by dmrs_TypeA_Position which is located in MIB.
n_dmrs = nb_re_dmrs<<1;
int16_t mod_dmrs[n_dmrs<<1];
l0 = get_l0(pusch_time_alloc.mappingType, dmrs_TypeA_Position);//config.pdsch_config.dmrs_typeA_position.value);
nr_modulation(pusch_dmrs[l0][0], n_dmrs, MOD_QPSK, mod_dmrs); // currently only codeword 0 is modulated
///////////
////////////////////////////////////////////////////////////////////////
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
n_errors = 0;
n_false_positive = 0;
for (trial = 0; trial < n_trials; trial++) {