From 570160c537aa8800d5142fcb2916c906d7932218 Mon Sep 17 00:00:00 2001
From: Robert Schmidt <robert.schmidt@eurecom.fr>
Date: Thu, 7 Jan 2021 13:04:52 +0100
Subject: [PATCH] Calculate TBS for coefficient only when needed
---
.../LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c | 19 +++++++++----------
1 file changed, 9 insertions(+), 10 deletions(-)
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
index e1050ac1fb..1c97596cd6 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
@@ -603,16 +603,6 @@ void pf_ul(module_id_t module_id,
sched_pusch->Qm <<= 1;
}
- uint32_t tbs = nr_compute_tbs(sched_pusch->Qm,
- sched_pusch->R,
- 1, // rbSize
- ps->nrOfSymbols,
- ps->N_PRB_DMRS * ps->num_dmrs_symb,
- 0, // nb_rb_oh
- 0,
- 1 /* NrOfLayers */)
- >> 3;
-
/* Check BSR */
if (sched_ctrl->estimated_ul_buffer - sched_ctrl->sched_ul_bytes <= 0) {
/* if no data, pre-allocate 5RB */
@@ -646,6 +636,15 @@ void pf_ul(module_id_t module_id,
add_tail_nr_list(&UE_sched, UE_id);
/* Calculate coefficient*/
+ const uint32_t tbs = nr_compute_tbs(sched_pusch->Qm,
+ sched_pusch->R,
+ 1, // rbSize
+ ps->nrOfSymbols,
+ ps->N_PRB_DMRS * ps->num_dmrs_symb,
+ 0, // nb_rb_oh
+ 0,
+ 1 /* NrOfLayers */)
+ >> 3;
coeff_ue[UE_id] = (float) tbs / ul_thr_ue[UE_id];
LOG_D(MAC,"b %d, ul_thr_ue[%d] %f, tbs %d, coeff_ue[%d] %f\n",
b, UE_id, ul_thr_ue[UE_id], tbs, UE_id, coeff_ue[UE_id]);
--
2.26.2