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Set DMRS offset to 0 when transform precoding is enabled

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cig
2020-09-04 14:44:22 +02:00
parent 4715308bd2
commit 0fafb2ba64
1 changed files with 8 additions and 4 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+8 -4
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@@ -312,10 +312,14 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
if ((ul_dmrs_symb_pos >> l) & 0x01) {
is_dmrs_sym = 1;
if (dmrs_type == pusch_dmrs_type1)
dmrs_idx = start_rb*6;
else
dmrs_idx = start_rb*4;
if (harq_process_ul_ue->pusch_pdu.transform_precoding == 1){ // if transform precoding is disabled
if (dmrs_type == pusch_dmrs_type1)
dmrs_idx = start_rb*6;
else
dmrs_idx = start_rb*4;
} else {
dmrs_idx = 0;
}
nr_modulation(pusch_dmrs[l][0], n_dmrs*2, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated