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Set 'min_mcs' in 'bler_stats' when initializing and when no activity is detected, instead of hardcode it to '9'

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luis_pereira87
2025-04-10 11:20:59 +01:00
parent 699afafc6f
commit b421d6eaa9
1 changed files with 2 additions and 3 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+2 -3
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@@ -735,7 +735,7 @@ int get_mcs_from_bler(const NR_bler_options_t *bler_options,
/* first call: everything is zero. Initialize to sensible default */ /* first call: everything is zero. Initialize to sensible default */
if (bler_stats->last_frame == 0 && bler_stats->mcs == 0) { if (bler_stats->last_frame == 0 && bler_stats->mcs == 0) {
bler_stats->last_frame = frame; bler_stats->last_frame = frame;
bler_stats->mcs = 9; bler_stats->mcs = bler_options->min_mcs;
bler_stats->bler = (bler_options->lower + bler_options->upper) / 2.0f; bler_stats->bler = (bler_options->lower + bler_options->upper) / 2.0f;
} }
int diff = frame - bler_stats->last_frame; int diff = frame - bler_stats->last_frame;
@@ -756,8 +756,7 @@ int get_mcs_from_bler(const NR_bler_options_t *bler_options,
int new_mcs = old_mcs; int new_mcs = old_mcs;
if (bler_stats->bler < bler_options->lower && old_mcs < max_mcs && num_dl_sched > 3) if (bler_stats->bler < bler_options->lower && old_mcs < max_mcs && num_dl_sched > 3)
new_mcs += 1; new_mcs += 1;
else if ((bler_stats->bler > bler_options->upper && old_mcs > 6) // above threshold else if (bler_stats->bler > bler_options->upper || num_dl_sched <= 3) // above threshold or no activity
|| (num_dl_sched <= 3 && old_mcs > 9)) // no activity
new_mcs -= 1; new_mcs -= 1;
// else we are within threshold boundaries // else we are within threshold boundaries