From 0fafb2ba64c0f8dd0e7ed99c23f0604399d2b2e6 Mon Sep 17 00:00:00 2001 From: cig Date: Mon, 31 Aug 2020 10:03:55 +0200 Subject: [PATCH] Set DMRS offset to 0 when transform precoding is enabled --- openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c index a63c33078b..d8d932624a 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c @@ -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