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Add estimated_ul_buffer & Update in DTCH

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This commit is contained in:
Robert Schmidt
2021-02-07 10:39:40 +01:00
parent 989aade7b8
commit 4b1be522a5
2 changed files with 26 additions and 2 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+23 -2
View File
@@ -78,6 +78,13 @@ void nr_process_mac_pdu(
uint16_t mac_ce_len, mac_subheader_len, mac_sdu_len;
NR_UE_info_t *UE_info = &RC.nrmac[module_idP]->UE_info;
int UE_id = find_nr_UE_id(module_idP, rnti);
if (UE_id == -1) {
LOG_E(MAC, "%s() UE_id == -1\n",__func__);
return;
}
NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
// For both DL/UL-SCH
// Except:
// - UL/DL-SCH: fixed-size MAC CE(known by LCID)
@@ -136,8 +143,13 @@ void nr_process_mac_pdu(
/* Extract short BSR value */
ce_ptr = &pdu_ptr[mac_subheader_len];
NR_BSR_SHORT *bsr_s = (NR_BSR_SHORT *) ce_ptr;
LOG_I(MAC, "SHORT BSR, LCG ID %d, BS Index %d, BS value < %d\n",
bsr_s->LcgID, bsr_s->Buffer_size, NR_SHORT_BSR_TABLE[bsr_s->Buffer_size]);
sched_ctrl->estimated_ul_buffer = 0;
sched_ctrl->estimated_ul_buffer = NR_SHORT_BSR_TABLE[bsr_s->Buffer_size];
LOG_D(MAC, "SHORT BSR, LCG ID %d, BS Index %d, BS value < %d, est buf %d\n",
bsr_s->LcgID,
bsr_s->Buffer_size,
NR_SHORT_BSR_TABLE[bsr_s->Buffer_size],
sched_ctrl->estimated_ul_buffer);
break;
case UL_SCH_LCID_L_BSR:
@@ -153,6 +165,7 @@ void nr_process_mac_pdu(
/* Extract long BSR value */
ce_ptr = &pdu_ptr[mac_subheader_len];
NR_BSR_LONG *bsr_l = (NR_BSR_LONG *) ce_ptr;
sched_ctrl->estimated_ul_buffer = 0;
n_Lcg = bsr_l->LcgID7 + bsr_l->LcgID6 + bsr_l->LcgID5 + bsr_l->LcgID4 +
bsr_l->LcgID3 + bsr_l->LcgID2 + bsr_l->LcgID1 + bsr_l->LcgID0;
@@ -165,6 +178,8 @@ void nr_process_mac_pdu(
LOG_D(MAC, "LONG BSR, %d/%d (n/n_Lcg), BS Index %d, BS value < %d",
n, n_Lcg, pdu_ptr[mac_subheader_len + 1 + n],
NR_LONG_BSR_TABLE[pdu_ptr[mac_subheader_len + 1 + n]]);
sched_ctrl->estimated_ul_buffer +=
NR_LONG_BSR_TABLE[pdu_ptr[mac_subheader_len + 1 + n]];
}
break;
@@ -263,6 +278,12 @@ void nr_process_mac_pdu(
1,
NULL);
/* Updated estimated buffer when receiving data */
if (sched_ctrl->estimated_ul_buffer >= mac_sdu_len)
sched_ctrl->estimated_ul_buffer -= mac_sdu_len;
else
sched_ctrl->estimated_ul_buffer = 0;
break;
default:
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+3
View File
@@ -425,6 +425,9 @@ typedef struct {
uint16_t rbSize;
uint16_t rbStart;
/// estimation of the UL buffer size
int estimated_ul_buffer;
// time-domain allocation for scheduled RBs
int time_domain_allocation;