From 2c1f32b6e60bddbd8200355c4b8597887d1b6343 Mon Sep 17 00:00:00 2001
From: luis_pereira87 <lpereira@allbesmart.pt>
Date: Fri, 28 Jun 2024 23:11:36 +0100
Subject: [PATCH] Do not extract CSI report if PUCCH format 2 CRC check fails
in polar decoder
This fix prevents the scheduler to process a wrong CSI feedback message, for example, it avoids the scheduler to compute a wrong MCS from CQI or a wrong RI from CQI
---
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
index 3134ec3cda7..1e133a028b6 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
@@ -1116,10 +1116,12 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
}
/* phy-test has hardcoded allocation, so no use to handle CSI reports */
if ((uci_234->pduBitmap >> 2) & 0x01 && !get_softmodem_params()->phy_test) {
- //API to parse the csi report and store it into sched_ctrl
- extract_pucch_csi_report(csi_MeasConfig, uci_234, frame, slot, UE, nrmac->common_channels->ServingCellConfigCommon);
- //TCI handling function
- tci_handling(UE,frame, slot);
+ if (uci_234->csi_part1.csi_part1_crc != 1) {
+ // API to parse the csi report and store it into sched_ctrl
+ extract_pucch_csi_report(csi_MeasConfig, uci_234, frame, slot, UE, nrmac->common_channels->ServingCellConfigCommon);
+ // TCI handling function
+ tci_handling(UE, frame, slot);
+ }
free(uci_234->csi_part1.csi_part1_payload);
}
if ((uci_234->pduBitmap >> 3) & 0x01) {
--
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