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Fixing DMRS generation in nr_ulsim

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This commit is contained in:
Khalid Ahmed
2019-06-04 13:43:18 +02:00
committed by Thomas Schlichter
parent 688acc4911
commit 21b736cff3
2 changed files with 11 additions and 2 deletions
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openair1/PHY/NR_UE_TRANSPORT/dmrs_nr.c
+8 -1
View File
@@ -259,7 +259,14 @@ uint8_t get_l0_ul(uint8_t mapping_type, uint8_t dmrs_typeA_position) {
*********************************************************************/
uint16_t get_dmrs_freq_idx_ul(uint8_t n, uint8_t k_prime, uint8_t delta, uint8_t dmrs_type) {
uint16_t dmrs_idx = (dmrs_type)? (6*n+k_prime+delta):((n<<2)+(k_prime<<1)+delta);
uint16_t dmrs_idx;
if (dmrs_type == pusch_dmrs_type1)
dmrs_idx = ((n<<2)+(k_prime<<1)+delta);
else
dmrs_idx = (6*n+k_prime+delta);
return dmrs_idx;
}
openair1/SIMULATION/NR_PHY/ulsim.c
+3 -1
View File
@@ -168,6 +168,7 @@ int main(int argc, char **argv) {
cpuf = get_cpu_freq_GHz();
if (load_configmodule(argc, argv) == 0) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
@@ -590,7 +591,7 @@ int main(int argc, char **argv) {
mapping_type = UE->pusch_config.pusch_TimeDomainResourceAllocation[0]->mappingType;
l0 = get_l0_ul(mapping_type, 2);
nr_modulation(pusch_dmrs[l0][0], n_dmrs, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
nr_modulation(pusch_dmrs[l0][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
///////////
@@ -606,6 +607,7 @@ int main(int argc, char **argv) {
available_bits/mod_order,
tx_layers);
///////////
////////////////////////////////////////////////////////////////////////