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Move the accounting phase of the DL pre-processor in a separate procedure

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This commit is contained in:
Niccolò Iardella
2018-02-19 15:48:17 +01:00
committed by Navid Nikaein
parent 5357ef2050
commit 10e91d4e2f
2 changed files with 603 additions and 604 deletions
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openair2/LAYER2/MAC/pre_processor.c
+182 -178
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@@ -593,119 +593,58 @@ void sort_UEs(module_id_t Mod_idP, slice_id_t slice_id, int frameP, sub_frame_t
#endif #endif
} }
void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
// This function assigns pre-available RBS to each UE in specified sub-bands before scheduling is done
void
dlsch_scheduler_pre_processor(module_id_t Mod_id,
slice_id_t slice_id, slice_id_t slice_id,
frame_t frameP, frame_t frameP,
sub_frame_t subframeP, sub_frame_t subframeP,
int N_RBG[MAX_NUM_CCs], int *mbsfn_flag) int N_RBG[MAX_NUM_CCs],
{ int min_rb_unit[MAX_NUM_CCs],
uint8_t rballoc_sub[MAX_NUM_CCs][N_RBG_MAX],
uint8_t MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX],
uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX]) {
unsigned char rballoc_sub[MAX_NUM_CCs][N_RBG_MAX], harq_pid =
0, round = 0, total_ue_count[MAX_NUM_CCs], total_rbs_used[MAX_NUM_CCs]; int UE_id, CC_id;
unsigned char MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX]; int ii, r1;
int UE_id, i;
uint16_t ii, j; rnti_t rnti;
uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; uint8_t harq_pid, round, transmission_mode;
uint8_t total_rbs_used[MAX_NUM_CCs];
uint8_t total_ue_count[MAX_NUM_CCs];
uint16_t average_rbs_per_user[MAX_NUM_CCs];
uint16_t nb_rbs_required_remaining[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; uint16_t nb_rbs_required_remaining[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
uint16_t nb_rbs_required_remaining_1[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; uint16_t nb_rbs_required_remaining_1[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
uint16_t average_rbs_per_user[MAX_NUM_CCs] = { 0 };
rnti_t rnti;
int min_rb_unit[MAX_NUM_CCs];
uint16_t r1 = 0;
uint8_t CC_id;
UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
int N_RB_DL; int N_RB_DL;
int transmission_mode = 0; UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
UE_sched_ctrl *ue_sched_ctl; UE_sched_ctrl *ue_sched_ctl;
// int rrc_status = RRC_IDLE;
COMMON_channels_t *cc; COMMON_channels_t *cc;
#ifdef TM5
int harq_pid1 = 0;
int round1 = 0, round2 = 0;
int UE_id2;
uint16_t i1, i2, i3;
rnti_t rnti1, rnti2;
LTE_eNB_UE_stats *eNB_UE_stats1 = NULL;
LTE_eNB_UE_stats *eNB_UE_stats2 = NULL;
UE_sched_ctrl *ue_sched_ctl1, *ue_sched_ctl2;
#endif
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) { for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
total_ue_count[CC_id] = 0;
if (mbsfn_flag[CC_id] > 0) // If this CC is allocated for MBSFN skip it here total_rbs_used[CC_id] = 0;
continue; average_rbs_per_user[CC_id] = 0;
for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; ++UE_id) {
nb_rbs_required_remaining[CC_id][UE_id] = 0;
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
for (i = 0; i < NUMBER_OF_UE_MAX; i++) {
if (UE_list->active[i] != TRUE)
continue;
if (!ue_slice_membership(i, slice_id))
continue;
UE_id = i;
// Initialize scheduling information for all active UEs
dlsch_scheduler_pre_processor_reset(Mod_id,
UE_id,
CC_id,
frameP,
subframeP,
N_RBG[CC_id],
nb_rbs_required,
nb_rbs_required_remaining,
total_ue_count,
total_rbs_used,
rballoc_sub,
MIMO_mode_indicator);
} }
} }
// Store the DLSCH buffer for each logical channel
store_dlsch_buffer(Mod_id, slice_id,frameP, subframeP);
// Calculate the number of RBs required by each UE on the basis of logical channel's buffer
assign_rbs_required(Mod_id, slice_id, frameP, subframeP, nb_rbs_required,
min_rb_unit);
// Sorts the user on the basis of dlsch logical channel buffer and CQI
sort_UEs(Mod_id, slice_id, frameP, subframeP);
// loop over all active UEs // loop over all active UEs
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, i); rnti = UE_RNTI(Mod_id, UE_id);
if (rnti == NOT_A_RNTI) if (rnti == NOT_A_RNTI)
continue; continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1)
continue; continue;
UE_id = i;
if (!ue_slice_membership(UE_id, slice_id)) if (!ue_slice_membership(UE_id, slice_id))
continue; continue;
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) { for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id]; CC_id = UE_list->ordered_CCids[ii][UE_id];
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
cc = &RC.mac[Mod_id]->common_channels[ii]; cc = &RC.mac[Mod_id]->common_channels[CC_id];
// TODO Can we use subframe2harqpid() here?
if (cc->tdd_Config) if (cc->tdd_Config)
harq_pid = ((frameP * 10) + subframeP) % 10; harq_pid = ((frameP * 10) + subframeP) % 10;
else else
@@ -714,10 +653,8 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
average_rbs_per_user[CC_id] = 0; average_rbs_per_user[CC_id] = 0;
if (round != 8) { if (round != 8) {
nb_rbs_required[CC_id][UE_id] = nb_rbs_required[CC_id][UE_id] = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid];
UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid];
total_rbs_used[CC_id] += nb_rbs_required[CC_id][UE_id]; total_rbs_used[CC_id] += nb_rbs_required[CC_id][UE_id];
} }
@@ -725,19 +662,17 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
if (nb_rbs_required[CC_id][UE_id] > 0) { if (nb_rbs_required[CC_id][UE_id] > 0) {
total_ue_count[CC_id] = total_ue_count[CC_id] + 1; total_ue_count[CC_id] = total_ue_count[CC_id] + 1;
} }
} }
} }
// loop over all active UEs and calculate avg rb per user based on total active UEs // loop over all active UEs and calculate avg rb per user based on total active UEs
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, i); rnti = UE_RNTI(Mod_id, UE_id);
if (rnti == NOT_A_RNTI) if (rnti == NOT_A_RNTI)
continue; continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1)
continue; continue;
UE_id = i;
if (!ue_slice_membership(UE_id, slice_id)) if (!ue_slice_membership(UE_id, slice_id))
continue; continue;
@@ -754,54 +689,57 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
* per user by a coefficient which represents the degree of priority. * per user by a coefficient which represents the degree of priority.
*/ */
N_RB_DL = to_prb(RC.mac[Mod_id]->common_channels[CC_id].mib->message.dl_Bandwidth) - total_rbs_used[CC_id];
N_RB_DL = // recalculate based on the what is left after retransmission
to_prb(RC.mac[Mod_id]->common_channels[CC_id].mib->
message.dl_Bandwidth) - total_rbs_used[CC_id];
//recalcualte based on the what is left after retransmission
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id]= flexran_nb_rbs_allowed_slice(slice_percentage[slice_id],N_RB_DL); ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id] =
flexran_nb_rbs_allowed_slice(slice_percentage[slice_id], N_RB_DL);
if (total_ue_count[CC_id] == 0) { if (total_ue_count[CC_id] == 0) {
average_rbs_per_user[CC_id] = 0; average_rbs_per_user[CC_id] = 0;
} else if ((min_rb_unit[CC_id] * total_ue_count[CC_id]) <= (ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id])) { } else if ((min_rb_unit[CC_id] * total_ue_count[CC_id]) <=
(ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id])) {
average_rbs_per_user[CC_id] = average_rbs_per_user[CC_id] =
(uint16_t) floor(ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id] / total_ue_count[CC_id]); (uint16_t) floor(ue_sched_ctl->max_rbs_allowed_slice[CC_id][slice_id] / total_ue_count[CC_id]);
} else { } else {
average_rbs_per_user[CC_id] = min_rb_unit[CC_id]; // consider the total number of use that can be scheduled UE // consider the total number of use that can be scheduled UE
average_rbs_per_user[CC_id] = min_rb_unit[CC_id];
} }
} }
} }
// note: nb_rbs_required is assigned according to total_buffer_dl // note: nb_rbs_required is assigned according to total_buffer_dl
// extend nb_rbs_required to capture per LCID RB required // extend nb_rbs_required to capture per LCID RB required
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, i); rnti = UE_RNTI(Mod_id, UE_id);
if (rnti == NOT_A_RNTI) if (rnti == NOT_A_RNTI)
continue; continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1)
continue; continue;
if (!ue_slice_membership(i, slice_id)) if (!ue_slice_membership(UE_id, slice_id))
continue; continue;
for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) { for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][i]; CC_id = UE_list->ordered_CCids[ii][UE_id];
ue_sched_ctl = &UE_list->UE_sched_ctrl[i]; ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
cc = &RC.mac[Mod_id]->common_channels[CC_id];
// TODO Can we use subframe2harqpid() here?
if (cc->tdd_Config)
harq_pid = ((frameP * 10) + subframeP) % 10;
else
harq_pid = ((frameP * 10) + subframeP) & 7;
round = ue_sched_ctl->round[CC_id][harq_pid]; round = ue_sched_ctl->round[CC_id][harq_pid];
// control channel or retransmission // control channel or retransmission
/* TODO: do we have to check for retransmission? */ /* TODO: do we have to check for retransmission? */
if (mac_eNB_get_rrc_status(Mod_id, rnti) < RRC_RECONFIGURED if (mac_eNB_get_rrc_status(Mod_id, rnti) < RRC_RECONFIGURED || round > 0) {
|| round > 0) { nb_rbs_required_remaining_1[CC_id][UE_id] =
nb_rbs_required_remaining_1[CC_id][i] = nb_rbs_required[CC_id][UE_id];
nb_rbs_required[CC_id][i];
} else { } else {
nb_rbs_required_remaining_1[CC_id][i] = nb_rbs_required_remaining_1[CC_id][UE_id] =
cmin(average_rbs_per_user[CC_id], cmin(average_rbs_per_user[CC_id], nb_rbs_required[CC_id][UE_id]);
nb_rbs_required[CC_id][i]);
} }
} }
} }
@@ -811,47 +749,45 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
// 2nd stage: remaining RBs are allocated to high priority UEs // 2nd stage: remaining RBs are allocated to high priority UEs
for (r1 = 0; r1 < 2; r1++) { for (r1 = 0; r1 < 2; r1++) {
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) { for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][i]; CC_id = UE_list->ordered_CCids[ii][UE_id];
if (r1 == 0) { if (r1 == 0) {
nb_rbs_required_remaining[CC_id][i] = nb_rbs_required_remaining[CC_id][UE_id] =
nb_rbs_required_remaining_1[CC_id][i]; nb_rbs_required_remaining_1[CC_id][UE_id];
} else { // rb required based only on the buffer - rb allloctaed in the 1st round + extra reaming rb form the 1st round } else { // rb required based only on the buffer - rb allocated in the 1st round + extra reaming rb form the 1st round
nb_rbs_required_remaining[CC_id][i] = nb_rbs_required_remaining[CC_id][UE_id] =
nb_rbs_required[CC_id][i] - nb_rbs_required[CC_id][UE_id] -
nb_rbs_required_remaining_1[CC_id][i] + nb_rbs_required_remaining_1[CC_id][UE_id] +
nb_rbs_required_remaining[CC_id][i]; nb_rbs_required_remaining[CC_id][UE_id];
if (nb_rbs_required_remaining[CC_id][i] < 0) if (nb_rbs_required_remaining[CC_id][UE_id] < 0)
abort(); abort();
} }
if (nb_rbs_required[CC_id][i] > 0) if (nb_rbs_required[CC_id][UE_id] > 0)
LOG_D(MAC, LOG_D(MAC,
"round %d : nb_rbs_required_remaining[%d][%d]= %d (remaining_1 %d, required %d, pre_nb_available_rbs %d, N_RBG %d, rb_unit %d)\n", "round %d : nb_rbs_required_remaining[%d][%d]= %d (remaining_1 %d, required %d, pre_nb_available_rbs %d, N_RBG %d, rb_unit %d)\n",
r1, CC_id, i, r1, CC_id, UE_id,
nb_rbs_required_remaining[CC_id][i], nb_rbs_required_remaining[CC_id][UE_id],
nb_rbs_required_remaining_1[CC_id][i], nb_rbs_required_remaining_1[CC_id][UE_id],
nb_rbs_required[CC_id][i], nb_rbs_required[CC_id][UE_id],
UE_list->UE_sched_ctrl[i]. UE_list->UE_sched_ctrl[UE_id].pre_nb_available_rbs[CC_id],
pre_nb_available_rbs[CC_id], N_RBG[CC_id], N_RBG[CC_id],
min_rb_unit[CC_id]); min_rb_unit[CC_id]);
} }
} }
for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) {
UE_id = i;
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) { for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
// if there are UEs with traffic // if there are UEs with traffic
if (total_ue_count[CC_id] > 0) { if (total_ue_count[CC_id] > 0) {
CC_id = UE_list->ordered_CCids[ii][UE_id]; // ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; // round = ue_sched_ctl->round[CC_id][harq_pid];
round = ue_sched_ctl->round[CC_id][harq_pid];
rnti = UE_RNTI(Mod_id, UE_id); rnti = UE_RNTI(Mod_id, UE_id);
@@ -860,7 +796,7 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
continue; continue;
if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1) if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1)
continue; continue;
if (!ue_slice_membership(i, slice_id)) if (!ue_slice_membership(UE_id, slice_id))
continue; continue;
transmission_mode = get_tmode(Mod_id, CC_id, UE_id); transmission_mode = get_tmode(Mod_id, CC_id, UE_id);
@@ -888,8 +824,7 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
MIMO_mode_indicator); MIMO_mode_indicator);
#ifdef TM5 #ifdef TM5
// data chanel TM5: to be revisited
// data chanel TM5: to be revisted
if ((round == 0) && if ((round == 0) &&
(transmission_mode == 5) && (transmission_mode == 5) &&
(ue_sched_ctl->dl_pow_off[CC_id] != 1)) { (ue_sched_ctl->dl_pow_off[CC_id] != 1)) {
@@ -908,7 +843,7 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
&& (nb_rbs_required_remaining[CC_id][UE_id] && (nb_rbs_required_remaining[CC_id][UE_id]
> 0)) { > 0)) {
for (ii = UE_list->next[i + 1]; ii >= 0; for (ii = UE_list->next[UE_id + 1]; ii >= 0;
ii = UE_list->next[ii]) { ii = UE_list->next[ii]) {
UE_id2 = ii; UE_id2 = ii;
@@ -1051,12 +986,95 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
} }
#endif #endif
} // total_ue_count } // total_ue_count
} } // CC
} } // UE
} // end of for for r1 and r2 } // end of for for r1 and r2
}
// This function assigns pre-available RBS to each UE in specified sub-bands before scheduling is done
void
dlsch_scheduler_pre_processor(module_id_t Mod_id,
slice_id_t slice_id,
frame_t frameP,
sub_frame_t subframeP,
int N_RBG[MAX_NUM_CCs],
int *mbsfn_flag) {
int UE_id;
uint8_t CC_id;
uint16_t i, j;
uint8_t rballoc_sub[MAX_NUM_CCs][N_RBG_MAX];
uint8_t MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX]; // If TM5 is revisited, we can move this inside accounting
int min_rb_unit[MAX_NUM_CCs];
uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
UE_sched_ctrl *ue_sched_ctl;
// int rrc_status = RRC_IDLE;
#ifdef TM5 #ifdef TM5
int harq_pid1 = 0;
int round1 = 0, round2 = 0;
int UE_id2;
uint16_t i1, i2, i3;
rnti_t rnti1, rnti2;
LTE_eNB_UE_stats *eNB_UE_stats1 = NULL;
LTE_eNB_UE_stats *eNB_UE_stats2 = NULL;
UE_sched_ctrl *ue_sched_ctl1, *ue_sched_ctl2;
#endif
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
if (mbsfn_flag[CC_id] > 0) // If this CC is allocated for MBSFN skip it here
continue;
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; ++UE_id) {
if (UE_list->active[UE_id] != TRUE)
continue;
if (!ue_slice_membership(UE_id, slice_id))
continue;
// Initialize scheduling information for all active UEs
dlsch_scheduler_pre_processor_reset(Mod_id,
UE_id,
CC_id,
frameP,
subframeP,
N_RBG[CC_id],
nb_rbs_required,
rballoc_sub,
MIMO_mode_indicator);
}
}
// Store the DLSCH buffer for each logical channel
store_dlsch_buffer(Mod_id, slice_id, frameP, subframeP);
// Calculate the number of RBs required by each UE on the basis of logical channel's buffer
assign_rbs_required(Mod_id, slice_id, frameP, subframeP, nb_rbs_required, min_rb_unit);
// Sorts the user on the basis of dlsch logical channel buffer and CQI
sort_UEs(Mod_id, slice_id, frameP, subframeP);
// This function does the main allocation of the number of RBs
dlsch_scheduler_pre_processor_accounting(Mod_id,
slice_id,
frameP,
subframeP,
N_RBG,
min_rb_unit,
rballoc_sub,
MIMO_mode_indicator,
nb_rbs_required);
#ifdef TM5
// This has to be revisited!!!! // This has to be revisited!!!!
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) { for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
i1 = 0; i1 = 0;
@@ -1096,37 +1114,28 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
1; 1;
} }
#endif #endif
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
UE_id = i;
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) { ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
CC_id = UE_list->ordered_CCids[ii][UE_id]; for (i = 0; i < UE_num_active_CC(UE_list, UE_id); i++) {
CC_id = UE_list->ordered_CCids[i][UE_id];
//PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].dl_pow_off = dl_pow_off[UE_id]; //PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].dl_pow_off = dl_pow_off[UE_id];
if (ue_sched_ctl->pre_nb_available_rbs[CC_id] > 0) { if (ue_sched_ctl->pre_nb_available_rbs[CC_id] > 0) {
LOG_D(MAC, LOG_D(MAC, "******************DL Scheduling Information for UE%d ************************\n", UE_id);
"******************DL Scheduling Information for UE%d ************************\n", LOG_D(MAC, "dl power offset UE%d = %d \n", UE_id, ue_sched_ctl->dl_pow_off[CC_id]);
UE_id); LOG_D(MAC, "***********RB Alloc for every subband for UE%d ***********\n", UE_id);
LOG_D(MAC, "dl power offset UE%d = %d \n", UE_id,
ue_sched_ctl->dl_pow_off[CC_id]);
LOG_D(MAC,
"***********RB Alloc for every subband for UE%d ***********\n",
UE_id);
for (j = 0; j < N_RBG[CC_id]; j++) { for (j = 0; j < N_RBG[CC_id]; j++) {
//PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].rballoc_sub[i] = rballoc_sub_UE[CC_id][UE_id][i]; //PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].rballoc_sub[UE_id] = rballoc_sub_UE[CC_id][UE_id][UE_id];
LOG_D(MAC, "RB Alloc for UE%d and Subband%d = %d\n", LOG_D(MAC, "RB Alloc for UE%d and Subband%d = %d\n", UE_id, j, ue_sched_ctl->rballoc_sub_UE[CC_id][j]);
UE_id, j,
ue_sched_ctl->rballoc_sub_UE[CC_id][j]);
} }
//PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = pre_nb_available_rbs[CC_id][UE_id]; //PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = pre_nb_available_rbs[CC_id][UE_id];
LOG_D(MAC, "[eNB %d][SLICE %d]Total RBs allocated for UE%d = %d\n", Mod_id, slice_id, UE_id, LOG_D(MAC, "[eNB %d][SLICE %d]Total RBs allocated for UE%d = %d\n",
ue_sched_ctl->pre_nb_available_rbs[CC_id]); Mod_id, slice_id, UE_id, ue_sched_ctl->pre_nb_available_rbs[CC_id]);
} }
} }
} }
@@ -1143,11 +1152,6 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
int N_RBG, int N_RBG,
uint16_t nb_rbs_required[MAX_NUM_CCs] uint16_t nb_rbs_required[MAX_NUM_CCs]
[NUMBER_OF_UE_MAX], [NUMBER_OF_UE_MAX],
uint16_t
nb_rbs_required_remaining
[MAX_NUM_CCs][NUMBER_OF_UE_MAX],
unsigned char total_ue_count[MAX_NUM_CCs],
unsigned char total_rbs_used[MAX_NUM_CCs],
unsigned char unsigned char
rballoc_sub[MAX_NUM_CCs] rballoc_sub[MAX_NUM_CCs]
[N_RBG_MAX], [N_RBG_MAX],
@@ -1162,8 +1166,7 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
uint8_t *vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map; uint8_t *vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
int N_RB_DL = int N_RB_DL =
to_prb(RC.mac[module_idP]->common_channels[CC_id].mib-> to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
message.dl_Bandwidth);
int RBGsize = N_RB_DL / N_RBG, RBGsize_last; int RBGsize = N_RB_DL / N_RBG, RBGsize_last;
#ifdef SF0_LIMIT #ifdef SF0_LIMIT
int sf0_upper = -1, sf0_lower = -1; int sf0_upper = -1, sf0_lower = -1;
@@ -1237,9 +1240,7 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
nb_rbs_required[CC_id][UE_id] = 0; nb_rbs_required[CC_id][UE_id] = 0;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0; ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctl->dl_pow_off[CC_id] = 2; ue_sched_ctl->dl_pow_off[CC_id] = 2;
nb_rbs_required_remaining[CC_id][UE_id] = 0;
total_ue_count[CC_id]=0;
total_rbs_used[CC_id]=0;
switch (N_RB_DL) { switch (N_RB_DL) {
case 6: case 6:
RBGsize = 1; RBGsize = 1;
@@ -1295,12 +1296,14 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL); AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
} }
#endif #endif
// Initialize Subbands according to VRB map // Initialize Subbands according to VRB map
for (i = 0; i < N_RBG; i++) { for (i = 0; i < N_RBG; i++) {
int rb_size = i == N_RBG - 1 ? RBGsize_last : RBGsize; int rb_size = i == N_RBG - 1 ? RBGsize_last : RBGsize;
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0; ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
rballoc_sub[CC_id][i] = 0; rballoc_sub[CC_id][i] = 0;
#ifdef SF0_LIMIT #ifdef SF0_LIMIT
// for avoiding 6+ PRBs around DC in subframe 0 (avoid excessive errors) // for avoiding 6+ PRBs around DC in subframe 0 (avoid excessive errors)
/* TODO: make it proper - allocate those RBs, do not "protect" them, but /* TODO: make it proper - allocate those RBs, do not "protect" them, but
@@ -1310,6 +1313,7 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
if (subframeP == 0 && i >= sf0_lower && i <= sf0_upper) if (subframeP == 0 && i >= sf0_lower && i <= sf0_upper)
rballoc_sub[CC_id][i] = 1; rballoc_sub[CC_id][i] = 1;
#endif #endif
// for SI-RNTI,RA-RNTI and P-RNTI allocations // for SI-RNTI,RA-RNTI and P-RNTI allocations
for (j = 0; j < rb_size; j++) { for (j = 0; j < rb_size; j++) {
if (vrb_map[j + (i * RBGsize)] != 0) { if (vrb_map[j + (i * RBGsize)] != 0) {
openair2/LAYER2/MAC/proto.h
-5
View File
@@ -209,11 +209,6 @@ void dlsch_scheduler_pre_processor_reset(int module_idP, int UE_id,
uint16_t uint16_t
nb_rbs_required[MAX_NUM_CCs] nb_rbs_required[MAX_NUM_CCs]
[NUMBER_OF_UE_MAX], [NUMBER_OF_UE_MAX],
uint16_t
nb_rbs_required_remaining
[MAX_NUM_CCs][NUMBER_OF_UE_MAX],
unsigned char total_ue_count[MAX_NUM_CCs],
unsigned char total_rbs_used[MAX_NUM_CCs],
unsigned char unsigned char
rballoc_sub[MAX_NUM_CCs] rballoc_sub[MAX_NUM_CCs]
[N_RBG_MAX], [N_RBG_MAX],