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Check DL buf and Calculate the coeff to create UE_sched

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This commit is contained in:
ChiehChun
2021-02-07 10:39:40 +01:00
committed by Robert Schmidt
parent a3cc9f730b
commit 6d5634b8ce
1 changed files with 25 additions and 5 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+25 -5
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@@ -465,7 +465,6 @@ void pf_dl(module_id_t module_id,
const float a = 0.0005f; // corresponds to 200ms window
const uint32_t b = UE_info->mac_stats[UE_id].dlsch_current_bytes;
thr_ue[UE_id] = (1 - a) * thr_ue[UE_id] + a * b;
LOG_I(MAC,"thr_ue[%d] %f\n",UE_id, thr_ue[UE_id]);
/* retransmission */
if (sched_ctrl->dl_harq_pid >= 0) {
@@ -503,12 +502,33 @@ void pf_dl(module_id_t module_id,
max_num_ue--;
if (max_num_ue < 0) return;
} else {
/* Check DL buffer */
/* Check DL buffer and skip this UE if no bytes and no TA necessary */
if (sched_ctrl->num_total_bytes == 0 && frame != (sched_ctrl->ta_frame + 10) % 1024)
continue;
/* Calculate coeff */
/* Create UE_sched list for transmission*/
sched_ctrl->time_domain_allocation = 2;
sched_ctrl->mcsTableIdx = 0;
sched_ctrl->mcs = 9;
sched_ctrl->numDmrsCdmGrpsNoData = 1;
uint8_t N_PRB_DMRS =
getN_PRB_DMRS(sched_ctrl->active_bwp, sched_ctrl->numDmrsCdmGrpsNoData);
int nrOfSymbols = getNrOfSymbols(sched_ctrl->active_bwp,
sched_ctrl->time_domain_allocation);
uint32_t tbs = nr_compute_tbs(nr_get_Qm_dl(sched_ctrl->mcs, sched_ctrl->mcsTableIdx),
nr_get_code_rate_dl(sched_ctrl->mcs, sched_ctrl->mcsTableIdx),
1, // rbSize
nrOfSymbols,
N_PRB_DMRS, // FIXME // This should be multiplied by the
// number of dmrs symbols
0 /* N_PRB_oh, 0 for initialBWP */, 0 /* tb_scaling */,
1 /* nrOfLayers */)
>> 3;
coeff_ue[UE_id] = (float) tbs / thr_ue[UE_id];
LOG_I(MAC,"b %d, thr_ue[%d] %f, tbs %d, coeff_ue[%d] %f\n",
b, UE_id, thr_ue[UE_id], tbs, UE_id, coeff_ue[UE_id]);
/* Create UE_sched list for UEs eligible for new transmission*/
add_tail_nr_list(&UE_sched, UE_id);
}
}