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Reducing the MCS drop in case of 3rd retransmission

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Francesco Mani
2021-10-22 12:41:58 +00:00
parent 54c90078a1
commit 7efbf24485
1 changed files with 1 additions and 1 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+1 -1
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@@ -414,7 +414,7 @@ int get_mcs_from_bler(module_id_t mod_id, int CC_id, frame_t frame, sub_frame_t
/* if there is a third retransmission, decrease MCS for stabilization and
* restart averaging window to stabilize transmission */
bler_stats->last_frame_slot = now;
bler_stats->mcs = max(9, bler_stats->mcs - 5);
bler_stats->mcs = max(9, bler_stats->mcs - 1);
memcpy(bler_stats->dlsch_rounds, stats->dlsch_rounds, sizeof(stats->dlsch_rounds));
LOG_I(MAC, "%4d.%2d: %d retx in 3rd round, setting MCS to %d and restarting window\n", frame, slot, dret3x, bler_stats->mcs);
return bler_stats->mcs;