maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add partitioning as a separate function

Browse Source
This commit is contained in:
Niccolò Iardella
2018-09-03 18:10:28 +02:00
committed by Robert Schmidt
parent e80f64c8e5
commit ee4972cd2c
2 changed files with 35 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/MAC/mac_proto.h
+4
View File
@@ -230,6 +230,10 @@ void dlsch_scheduler_pre_processor_reset(module_id_t module_idP,
unsigned char MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX],
int *mbsfn_flag);
void dlsch_scheduler_pre_processor_partitioning(module_id_t Mod_id,
slice_id_t slice_id,
const uint8_t rbs_retx[NFAPI_CC_MAX]);
void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
slice_id_t slice_id,
frame_t frameP,
openair2/LAYER2/MAC/pre_processor.c
+31 -9
View File
@@ -583,6 +583,29 @@ void sort_UEs(module_id_t Mod_idP, slice_id_t slice_id, int frameP, sub_frame_t
#endif
}
void dlsch_scheduler_pre_processor_partitioning(module_id_t Mod_id,
slice_id_t slice_id,
const uint8_t rbs_retx[NFAPI_CC_MAX]) {
int UE_id, CC_id, N_RB_DL, i;
UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
UE_sched_ctrl *ue_sched_ctl;
for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
if (UE_RNTI(Mod_id, UE_id) == NOT_A_RNTI) continue;
if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1) continue;
if (!ue_slice_membership(UE_id, slice_id)) continue;
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
for (i = 0; i < UE_num_active_CC(UE_list, UE_id); ++i) {
CC_id = UE_list->ordered_CCids[i][UE_id];
N_RB_DL = to_prb(RC.mac[Mod_id]->common_channels[CC_id].mib->message.dl_Bandwidth);
ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id] = nb_rbs_allowed_slice(slice_percentage[slice_id], N_RB_DL) - rbs_retx[CC_id];
}
}
}
void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
slice_id_t slice_id,
frame_t frameP,
@@ -604,7 +627,6 @@ void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
int ue_count_retx[NFAPI_CC_MAX];
uint8_t ue_retx_flag[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
int N_RB_DL;
UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
UE_sched_ctrl *ue_sched_ctl;
COMMON_channels_t *cc;
@@ -654,6 +676,10 @@ void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
}
}
// PARTITIONING
// Reduces the available RBs according to slicing configuration
dlsch_scheduler_pre_processor_partitioning(Mod_id, slice_id, rbs_retx);
switch (accounting_policy[slice_id]) {
// If greedy scheduling, try to account all the required RBs
@@ -684,19 +710,15 @@ void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
if (!ue_slice_membership(UE_id, slice_id)) continue;
for (i = 0; i < UE_num_active_CC(UE_list, UE_id); ++i) {
CC_id = UE_list->ordered_CCids[i][UE_id];
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
N_RB_DL = to_prb(RC.mac[Mod_id]->common_channels[CC_id].mib->message.dl_Bandwidth) - rbs_retx[CC_id];
// recalculate based on the what is left after retransmission
ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id] = nb_rbs_allowed_slice(slice_percentage[slice_id], N_RB_DL);
available_rbs = ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id];
if (total_ue_count[CC_id] == 0) {
if (ue_count_newtx[CC_id] == 0) {
average_rbs_per_user[CC_id] = 0;
} else if ((min_rb_unit[CC_id] * total_ue_count[CC_id]) <= available_rbs) {
average_rbs_per_user[CC_id] = (uint16_t) floor(available_rbs / total_ue_count[CC_id]);
} else if (min_rb_unit[CC_id]*ue_count_newtx[CC_id] <= available_rbs) {
average_rbs_per_user[CC_id] = (uint16_t)floor(available_rbs/ue_count_newtx[CC_id]);
} else {
// consider the total number of use that can be scheduled UE
average_rbs_per_user[CC_id] = (uint16_t)min_rb_unit[CC_id];