From 49196f3c91fd8465725ee24a6cb3c2a13a0b91d9 Mon Sep 17 00:00:00 2001
From: Thomas Schlichter <thomas.schlichter@iis.fraunhofer.de>
Date: Mon, 28 Feb 2022 14:08:45 +0100
Subject: [PATCH] NR_UE: fix nr_dlsch_extract_rbs_single() for start_rb >
nb_rb_pdsch/2
---
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
index ef7d398edf4..ccce0d6861f 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
@@ -2006,7 +2006,7 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
"n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
}
- const unsigned short start_re = frame_parms->first_carrier_offset + start_rb * NR_NB_SC_PER_RB;
+ const unsigned short start_re = (frame_parms->first_carrier_offset + start_rb * NR_NB_SC_PER_RB) % frame_parms->ofdm_symbol_size;
const int8_t validDmrsEst = get_valid_dmrs_idx_for_channel_est(dlDmrsSymbPos, symbol);
for (unsigned char aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
--
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