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Commit 4fb2e609 authored by Cedric Roux's avatar Cedric Roux
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Merge remote-tracking branch 'origin/enhancement-preprocessor' into develop_integration_2018_w08

parents 7b06a540 10e91d4e
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openair2/LAYER2/MAC/pre_processor.c
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......@@ -593,588 +593,591 @@ void sort_UEs(module_id_t Mod_idP, slice_id_t slice_id, int frameP, sub_frame_t
#endif
}
void dlsch_scheduler_pre_processor_accounting(module_id_t Mod_id,
slice_id_t slice_id,
frame_t frameP,
sub_frame_t subframeP,
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]) {
int UE_id, CC_id;
int ii, r1;
rnti_t rnti;
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_1[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
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;
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
total_ue_count[CC_id] = 0;
total_rbs_used[CC_id] = 0;
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;
}
}
// loop over all active UEs
for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, UE_id);
if (rnti == 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;
// 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)
{
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];
unsigned char MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX];
int UE_id, i;
uint16_t ii, j;
uint16_t nb_rbs_required[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 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 transmission_mode = 0;
UE_sched_ctrl *ue_sched_ctl;
// int rrc_status = RRC_IDLE;
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++) {
if (mbsfn_flag[CC_id] > 0) // If this CC is allocated for MBSFN skip it here
continue;
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
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];
average_rbs_per_user[CC_id] = 0;
if (round != 8) {
nb_rbs_required[CC_id][UE_id] = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid];
total_rbs_used[CC_id] += nb_rbs_required[CC_id][UE_id];
}
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
//nb_rbs_required_remaining[UE_id] = nb_rbs_required[UE_id];
if (nb_rbs_required[CC_id][UE_id] > 0) {
total_ue_count[CC_id] = total_ue_count[CC_id] + 1;
}
}
}
for (i = 0; i < NUMBER_OF_UE_MAX; i++) {
if (UE_list->active[i] != TRUE)
continue;
// loop over all active UEs and calculate avg rb per user based on total active UEs
for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, UE_id);
if (!ue_slice_membership(i, slice_id))
continue;
if (rnti == 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_id = i;
// Initialize scheduling information for all active UEs
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
// hypothetical assignment
/*
* If schedule is enabled and if the priority of the UEs is modified
* The average rbs per logical channel per user will depend on the level of
* priority. Concerning the hypothetical assignement, we should assign more
* rbs to prioritized users. Maybe, we can do a mapping between the
* average rbs per user and the level of priority or multiply the average rbs
* 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];
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);
// recalculate based on the what is left after retransmission
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);
}
if (total_ue_count[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])) {
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]);
} else {
// 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
// extend nb_rbs_required to capture per LCID RB required
for (UE_id = UE_list->head; UE_id >= 0; UE_id = UE_list->next[UE_id]) {
rnti = UE_RNTI(Mod_id, UE_id);
// Store the DLSCH buffer for each logical channel
store_dlsch_buffer(Mod_id, slice_id,frameP, subframeP);
if (rnti == 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;
// 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);
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
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];
// control channel or retransmission
/* TODO: do we have to check for retransmission? */
if (mac_eNB_get_rrc_status(Mod_id, rnti) < RRC_RECONFIGURED || round > 0) {
nb_rbs_required_remaining_1[CC_id][UE_id] =
nb_rbs_required[CC_id][UE_id];
} else {
nb_rbs_required_remaining_1[CC_id][UE_id] =
cmin(average_rbs_per_user[CC_id], nb_rbs_required[CC_id][UE_id]);
}
}
}
//Allocation to UEs is done in 2 rounds,
// 1st stage: average number of RBs allocated to each UE
// 2nd stage: remaining RBs are allocated to high priority UEs
for (r1 = 0; r1 < 2; r1++) {
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, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
if (r1 == 0) {
nb_rbs_required_remaining[CC_id][UE_id] =
nb_rbs_required_remaining_1[CC_id][UE_id];
} 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][UE_id] =
nb_rbs_required[CC_id][UE_id] -
nb_rbs_required_remaining_1[CC_id][UE_id] +
nb_rbs_required_remaining[CC_id][UE_id];
if (nb_rbs_required_remaining[CC_id][UE_id] < 0)
abort();
}
if (nb_rbs_required[CC_id][UE_id] > 0)
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",
r1, CC_id, UE_id,
nb_rbs_required_remaining[CC_id][UE_id],
nb_rbs_required_remaining_1[CC_id][UE_id],
nb_rbs_required[CC_id][UE_id],
UE_list->UE_sched_ctrl[UE_id].pre_nb_available_rbs[CC_id],
N_RBG[CC_id],
min_rb_unit[CC_id]);
// Sorts the user on the basis of dlsch logical channel buffer and CQI
sort_UEs(Mod_id, slice_id, frameP, subframeP);
}
}
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, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
// if there are UEs with traffic
if (total_ue_count[CC_id] > 0) {
// ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
// round = ue_sched_ctl->round[CC_id][harq_pid];
rnti = UE_RNTI(Mod_id, UE_id);
// LOG_D(MAC,"UE %d rnti 0x\n", UE_id, rnti );
if (rnti == 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;
transmission_mode = get_tmode(Mod_id, CC_id, UE_id);
// mac_xface->get_ue_active_harq_pid(Mod_id,CC_id,rnti,frameP,subframeP,&harq_pid,&round,0);
// rrc_status = mac_eNB_get_rrc_status(Mod_id,rnti);
/* 1st allocate for the retx */
// retransmission in data channels
// control channel in the 1st transmission
// data channel for all TM
LOG_T(MAC,
"calling dlsch_scheduler_pre_processor_allocate .. \n ");
dlsch_scheduler_pre_processor_allocate(Mod_id, UE_id,
CC_id,
N_RBG[CC_id],
transmission_mode,
min_rb_unit
[CC_id],
to_prb(RC.mac
[Mod_id]->common_channels
[CC_id].mib->message.dl_Bandwidth),
nb_rbs_required,
nb_rbs_required_remaining,
rballoc_sub,
MIMO_mode_indicator);
// loop over all active UEs
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) {
rnti = UE_RNTI(Mod_id, i);
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1)
continue;
UE_id = i;
if (!ue_slice_membership(UE_id, slice_id))
continue;
#ifdef TM5
// data chanel TM5: to be revisited
if ((round == 0) &&
(transmission_mode == 5) &&
(ue_sched_ctl->dl_pow_off[CC_id] != 1)) {
for (j = 0; j < N_RBG[CC_id]; j += 2) {
if ((((j == (N_RBG[CC_id] - 1))
&& (rballoc_sub[CC_id][j] == 0)
&& (ue_sched_ctl->
rballoc_sub_UE[CC_id][j] == 0))
|| ((j < (N_RBG[CC_id] - 1))
&& (rballoc_sub[CC_id][j + 1] == 0)
&&
(ue_sched_ctl->rballoc_sub_UE
[CC_id][j + 1] == 0)))
&& (nb_rbs_required_remaining[CC_id][UE_id]
> 0)) {
for (ii = UE_list->next[UE_id + 1]; ii >= 0;
ii = UE_list->next[ii]) {
UE_id2 = ii;
rnti2 = UE_RNTI(Mod_id, UE_id2);
ue_sched_ctl2 =
&UE_list->UE_sched_ctrl[UE_id2];
round2 = ue_sched_ctl2->round[CC_id];
if (rnti2 == NOT_A_RNTI)
continue;
if (UE_list->
UE_sched_ctrl
[UE_id2].ul_out_of_sync == 1)
continue;
eNB_UE_stats2 =
UE_list->
eNB_UE_stats[CC_id][UE_id2];
//mac_xface->get_ue_active_harq_pid(Mod_id,CC_id,rnti2,frameP,subframeP,&harq_pid2,&round2,0);
if ((mac_eNB_get_rrc_status
(Mod_id,
rnti2) >= RRC_RECONFIGURED)
&& (round2 == 0)
&&
(get_tmode(Mod_id, CC_id, UE_id2)
== 5)
&& (ue_sched_ctl->
dl_pow_off[CC_id] != 1)) {
if ((((j == (N_RBG[CC_id] - 1))
&&
(ue_sched_ctl->rballoc_sub_UE
[CC_id][j] == 0))
|| ((j < (N_RBG[CC_id] - 1))
&&
(ue_sched_ctl->
rballoc_sub_UE[CC_id][j +
1]
== 0)))
&&
(nb_rbs_required_remaining
[CC_id]
[UE_id2] > 0)) {
if ((((eNB_UE_stats2->
DL_pmi_single ^
eNB_UE_stats1->
DL_pmi_single)
<< (14 - j)) & 0xc000) == 0x4000) { //MU-MIMO only for 25 RBs configuration
rballoc_sub[CC_id][j] = 1;
ue_sched_ctl->
rballoc_sub_UE[CC_id]
[j] = 1;
ue_sched_ctl2->
rballoc_sub_UE[CC_id]
[j] = 1;
MIMO_mode_indicator[CC_id]
[j] = 0;
if (j < N_RBG[CC_id] - 1) {
rballoc_sub[CC_id][j +
1] =
1;
ue_sched_ctl->
rballoc_sub_UE
[CC_id][j + 1] = 1;
ue_sched_ctl2->rballoc_sub_UE
[CC_id][j + 1] = 1;
MIMO_mode_indicator
[CC_id][j + 1]
= 0;
}
ue_sched_ctl->
dl_pow_off[CC_id]
= 0;
ue_sched_ctl2->
dl_pow_off[CC_id]
= 0;
if ((j == N_RBG[CC_id] - 1)
&& ((N_RB_DL == 25)
|| (N_RB_DL ==
50))) {
nb_rbs_required_remaining
[CC_id][UE_id] =
nb_rbs_required_remaining
[CC_id][UE_id] -
min_rb_unit[CC_id]
+ 1;
ue_sched_ctl->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl->pre_nb_available_rbs
[CC_id] +
min_rb_unit[CC_id]
- 1;
nb_rbs_required_remaining
[CC_id][UE_id2] =
nb_rbs_required_remaining
[CC_id][UE_id2] -
min_rb_unit[CC_id]
+ 1;
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] +
min_rb_unit[CC_id]
- 1;
} else {
nb_rbs_required_remaining
[CC_id][UE_id] =
nb_rbs_required_remaining
[CC_id][UE_id] - 4;
ue_sched_ctl->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl->pre_nb_available_rbs
[CC_id] + 4;
nb_rbs_required_remaining
[CC_id][UE_id2] =
nb_rbs_required_remaining
[CC_id][UE_id2] -
4;
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] + 4;
}
break;
}
}
}
}
}
}
}
#endif
} // total_ue_count
} // CC
} // UE
} // end of for for r1 and r2
}
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
cc = &RC.mac[Mod_id]->common_channels[ii];
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];
// 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) {
average_rbs_per_user[CC_id] = 0;
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
if (round != 8) {
nb_rbs_required[CC_id][UE_id] =
UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid];
total_rbs_used[CC_id]+=nb_rbs_required[CC_id][UE_id];
}
int min_rb_unit[MAX_NUM_CCs];
uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
//nb_rbs_required_remaining[UE_id] = nb_rbs_required[UE_id];
if (nb_rbs_required[CC_id][UE_id] > 0) {
total_ue_count[CC_id] = total_ue_count[CC_id] + 1;
}
UE_list_t *UE_list = &RC.mac[Mod_id]->UE_list;
UE_sched_ctrl *ue_sched_ctl;
// int rrc_status = RRC_IDLE;
}
}
#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
// 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]) {
rnti = UE_RNTI(Mod_id, i);
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1)
continue;
UE_id = i;
if (!ue_slice_membership(UE_id, slice_id))
continue;
if (mbsfn_flag[CC_id] > 0) // If this CC is allocated for MBSFN skip it here
continue;
for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
// hypothetical assignment
/*
* If schedule is enabled and if the priority of the UEs is modified
* The average rbs per logical channel per user will depend on the level of
* priority. Concerning the hypothetical assignement, we should assign more
* rbs to prioritized users. Maybe, we can do a mapping between the
* average rbs per user and the level of priority or multiply the average rbs
* 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];
//recalcualte based on the what is left after retransmission
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);
if (total_ue_count[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])) {
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]);
} else {
average_rbs_per_user[CC_id] = min_rb_unit[CC_id]; // consider the total number of use that can be scheduled UE
}
}
}
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
// note: nb_rbs_required is assigned according to total_buffer_dl
// extend nb_rbs_required to capture per LCID RB required
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) {
rnti = UE_RNTI(Mod_id, i);
for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; ++UE_id) {
if (UE_list->active[UE_id] != TRUE)
continue;
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1)
continue;
if (!ue_slice_membership(i, slice_id))
continue;
if (!ue_slice_membership(UE_id, slice_id))
continue;
for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) {
CC_id = UE_list->ordered_CCids[ii][i];
ue_sched_ctl = &UE_list->UE_sched_ctrl[i];
round = ue_sched_ctl->round[CC_id][harq_pid];
// control channel or retransmission
/* TODO: do we have to check for retransmission? */
if (mac_eNB_get_rrc_status(Mod_id, rnti) < RRC_RECONFIGURED
|| round > 0) {
nb_rbs_required_remaining_1[CC_id][i] =
nb_rbs_required[CC_id][i];
} else {
nb_rbs_required_remaining_1[CC_id][i] =
cmin(average_rbs_per_user[CC_id],
nb_rbs_required[CC_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,
rballoc_sub,
MIMO_mode_indicator);
}
}
}
}
//Allocation to UEs is done in 2 rounds,
// 1st stage: average number of RBs allocated to each UE
// 2nd stage: remaining RBs are allocated to high priority UEs
for (r1 = 0; r1 < 2; r1++) {
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) {
for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) {
CC_id = UE_list->ordered_CCids[ii][i];
if (r1 == 0) {
nb_rbs_required_remaining[CC_id][i] =
nb_rbs_required_remaining_1[CC_id][i];
} else { // rb required based only on the buffer - rb allloctaed in the 1st round + extra reaming rb form the 1st round
nb_rbs_required_remaining[CC_id][i] =
nb_rbs_required[CC_id][i] -
nb_rbs_required_remaining_1[CC_id][i] +
nb_rbs_required_remaining[CC_id][i];
if (nb_rbs_required_remaining[CC_id][i] < 0)
abort();
}
if (nb_rbs_required[CC_id][i] > 0)
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",
r1, CC_id, i,
nb_rbs_required_remaining[CC_id][i],
nb_rbs_required_remaining_1[CC_id][i],
nb_rbs_required[CC_id][i],
UE_list->UE_sched_ctrl[i].
pre_nb_available_rbs[CC_id], N_RBG[CC_id],
min_rb_unit[CC_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++) {
// if there are UEs with traffic
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];
round = ue_sched_ctl->round[CC_id][harq_pid];
// Store the DLSCH buffer for each logical channel
store_dlsch_buffer(Mod_id, slice_id, frameP, subframeP);
rnti = UE_RNTI(Mod_id, UE_id);
// 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);
// LOG_D(MAC,"UE %d rnti 0x\n", UE_id, rnti );
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1)
continue;
if (!ue_slice_membership(i, slice_id))
continue;
transmission_mode = get_tmode(Mod_id, CC_id, UE_id);
// mac_xface->get_ue_active_harq_pid(Mod_id,CC_id,rnti,frameP,subframeP,&harq_pid,&round,0);
//rrc_status = mac_eNB_get_rrc_status(Mod_id,rnti);
/* 1st allocate for the retx */
// retransmission in data channels
// control channel in the 1st transmission
// data channel for all TM
LOG_T(MAC,
"calling dlsch_scheduler_pre_processor_allocate .. \n ");
dlsch_scheduler_pre_processor_allocate(Mod_id, UE_id,
CC_id,
N_RBG[CC_id],
transmission_mode,
min_rb_unit
[CC_id],
to_prb(RC.mac
[Mod_id]->common_channels
[CC_id].mib->message.dl_Bandwidth),
nb_rbs_required,
nb_rbs_required_remaining,
rballoc_sub,
MIMO_mode_indicator);
// Sorts the user on the basis of dlsch logical channel buffer and CQI
sort_UEs(Mod_id, slice_id, frameP, subframeP);
#ifdef TM5
// 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);
// data chanel TM5: to be revisted
if ((round == 0) &&
(transmission_mode == 5) &&
(ue_sched_ctl->dl_pow_off[CC_id] != 1)) {
for (j = 0; j < N_RBG[CC_id]; j += 2) {
if ((((j == (N_RBG[CC_id] - 1))
&& (rballoc_sub[CC_id][j] == 0)
&& (ue_sched_ctl->
rballoc_sub_UE[CC_id][j] == 0))
|| ((j < (N_RBG[CC_id] - 1))
&& (rballoc_sub[CC_id][j + 1] == 0)
&&
(ue_sched_ctl->rballoc_sub_UE
[CC_id][j + 1] == 0)))
&& (nb_rbs_required_remaining[CC_id][UE_id]
> 0)) {
for (ii = UE_list->next[i + 1]; ii >= 0;
ii = UE_list->next[ii]) {
UE_id2 = ii;
rnti2 = UE_RNTI(Mod_id, UE_id2);
ue_sched_ctl2 =
&UE_list->UE_sched_ctrl[UE_id2];
round2 = ue_sched_ctl2->round[CC_id];
if (rnti2 == NOT_A_RNTI)
continue;
if (UE_list->
UE_sched_ctrl
[UE_id2].ul_out_of_sync == 1)
continue;
eNB_UE_stats2 =
UE_list->
eNB_UE_stats[CC_id][UE_id2];
//mac_xface->get_ue_active_harq_pid(Mod_id,CC_id,rnti2,frameP,subframeP,&harq_pid2,&round2,0);
if ((mac_eNB_get_rrc_status
(Mod_id,
rnti2) >= RRC_RECONFIGURED)
&& (round2 == 0)
&&
(get_tmode(Mod_id, CC_id, UE_id2)
== 5)
&& (ue_sched_ctl->
dl_pow_off[CC_id] != 1)) {
if ((((j == (N_RBG[CC_id] - 1))
&&
(ue_sched_ctl->rballoc_sub_UE
[CC_id][j] == 0))
|| ((j < (N_RBG[CC_id] - 1))
&&
(ue_sched_ctl->
rballoc_sub_UE[CC_id][j +
1]
== 0)))
&&
(nb_rbs_required_remaining
[CC_id]
[UE_id2] > 0)) {
if ((((eNB_UE_stats2->
DL_pmi_single ^
eNB_UE_stats1->
DL_pmi_single)
<< (14 - j)) & 0xc000) == 0x4000) { //MU-MIMO only for 25 RBs configuration
rballoc_sub[CC_id][j] = 1;
ue_sched_ctl->
rballoc_sub_UE[CC_id]
[j] = 1;
ue_sched_ctl2->
rballoc_sub_UE[CC_id]
[j] = 1;
MIMO_mode_indicator[CC_id]
[j] = 0;
if (j < N_RBG[CC_id] - 1) {
rballoc_sub[CC_id][j +
1] =
1;
ue_sched_ctl->
rballoc_sub_UE
[CC_id][j + 1] = 1;
ue_sched_ctl2->rballoc_sub_UE
[CC_id][j + 1] = 1;
MIMO_mode_indicator
[CC_id][j + 1]
= 0;
}
ue_sched_ctl->
dl_pow_off[CC_id]
= 0;
ue_sched_ctl2->
dl_pow_off[CC_id]
= 0;
if ((j == N_RBG[CC_id] - 1)
&& ((N_RB_DL == 25)
|| (N_RB_DL ==
50))) {
nb_rbs_required_remaining
[CC_id][UE_id] =
nb_rbs_required_remaining
[CC_id][UE_id] -
min_rb_unit[CC_id]
+ 1;
ue_sched_ctl->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl->pre_nb_available_rbs
[CC_id] +
min_rb_unit[CC_id]
- 1;
nb_rbs_required_remaining
[CC_id][UE_id2] =
nb_rbs_required_remaining
[CC_id][UE_id2] -
min_rb_unit[CC_id]
+ 1;
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] +
min_rb_unit[CC_id]
- 1;
} else {
nb_rbs_required_remaining
[CC_id][UE_id] =
nb_rbs_required_remaining
[CC_id][UE_id] - 4;
ue_sched_ctl->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl->pre_nb_available_rbs
[CC_id] + 4;
nb_rbs_required_remaining
[CC_id][UE_id2] =
nb_rbs_required_remaining
[CC_id][UE_id2] -
4;
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] =
ue_sched_ctl2->pre_nb_available_rbs
[CC_id] + 4;
}
break;
}
}
}
}
}
}
}
#endif
} // total_ue_count
}
}
} // end of for for r1 and r2
#ifdef TM5
// This has to be revisited!!!!
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
i1 = 0;
i2 = 0;
i3 = 0;
for (j = 0; j < N_RBG[CC_id]; j++) {
if (MIMO_mode_indicator[CC_id][j] == 2) {
i1 = i1 + 1;
} else if (MIMO_mode_indicator[CC_id][j] == 1) {
i2 = i2 + 1;
} else if (MIMO_mode_indicator[CC_id][j] == 0) {
i3 = i3 + 1;
}
}
// This has to be revisited!!!!
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
i1 = 0;
i2 = 0;
i3 = 0;
for (j = 0; j < N_RBG[CC_id]; j++) {
if (MIMO_mode_indicator[CC_id][j] == 2) {
i1 = i1 + 1;
} else if (MIMO_mode_indicator[CC_id][j] == 1) {
i2 = i2 + 1;
} else if (MIMO_mode_indicator[CC_id][j] == 0) {
i3 = i3 + 1;
}
}
if ((i1 < N_RBG[CC_id]) && (i2 > 0) && (i3 == 0)) {
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_SUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->
check_for_SUMIMO_transmissions + 1;
}
if ((i1 < N_RBG[CC_id]) && (i2 > 0) && (i3 == 0)) {
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_SUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->
check_for_SUMIMO_transmissions + 1;
}
if (i3 == N_RBG[CC_id] && i1 == 0 && i2 == 0) {
PHY_vars_eNB_g[Mod_id][CC_id]->FULL_MUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->FULL_MUMIMO_transmissions +
1;
}
if (i3 == N_RBG[CC_id] && i1 == 0 && i2 == 0) {
PHY_vars_eNB_g[Mod_id][CC_id]->FULL_MUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->FULL_MUMIMO_transmissions +
1;
}
if ((i1 < N_RBG[CC_id]) && (i3 > 0)) {
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_MUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->
check_for_MUMIMO_transmissions + 1;
}
if ((i1 < N_RBG[CC_id]) && (i3 > 0)) {
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_MUMIMO_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->
check_for_MUMIMO_transmissions + 1;
}
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_total_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_total_transmissions +
1;
}
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_total_transmissions =
PHY_vars_eNB_g[Mod_id][CC_id]->check_for_total_transmissions +
1;
}
#endif
for (i = UE_list->head; i >= 0; i = UE_list->next[i]) {
UE_id = i;
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
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, UE_id); ii++) {
CC_id = UE_list->ordered_CCids[ii][UE_id];
//PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].dl_pow_off = dl_pow_off[UE_id];
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];
//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) {
LOG_D(MAC,
"******************DL Scheduling Information 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++) {
//PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].rballoc_sub[i] = rballoc_sub_UE[CC_id][UE_id][i];
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]);
}
if (ue_sched_ctl->pre_nb_available_rbs[CC_id] > 0) {
LOG_D(MAC, "******************DL Scheduling Information 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);
//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,
ue_sched_ctl->pre_nb_available_rbs[CC_id]);
}
}
for (j = 0; j < N_RBG[CC_id]; j++) {
//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", 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];
LOG_D(MAC, "[eNB %d][SLICE %d]Total RBs allocated for UE%d = %d\n",
Mod_id, slice_id, UE_id, ue_sched_ctl->pre_nb_available_rbs[CC_id]);
}
}
}
}
#define SF0_LIMIT 1
void
dlsch_scheduler_pre_processor_reset(int module_idP,
int UE_id,
uint8_t CC_id,
int frameP,
int subframeP,
int N_RBG,
uint16_t nb_rbs_required[MAX_NUM_CCs]
[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
rballoc_sub[MAX_NUM_CCs]
[N_RBG_MAX],
unsigned char
MIMO_mode_indicator[MAX_NUM_CCs]
[N_RBG_MAX])
int UE_id,
uint8_t CC_id,
int frameP,
int subframeP,
int N_RBG,
uint16_t nb_rbs_required[MAX_NUM_CCs]
[NUMBER_OF_UE_MAX],
unsigned char
rballoc_sub[MAX_NUM_CCs]
[N_RBG_MAX],
unsigned char
MIMO_mode_indicator[MAX_NUM_CCs]
[N_RBG_MAX])
{
int i, j;
UE_list_t *UE_list = &RC.mac[module_idP]->UE_list;
UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
rnti_t rnti = UE_RNTI(module_idP, UE_id);
uint8_t *vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
int N_RB_DL =
to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->
message.dl_Bandwidth);
int RBGsize = N_RB_DL / N_RBG, RBGsize_last;
int i, j;
UE_list_t *UE_list = &RC.mac[module_idP]->UE_list;
UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
rnti_t rnti = UE_RNTI(module_idP, UE_id);
uint8_t *vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
int N_RB_DL =
to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
int RBGsize = N_RB_DL / N_RBG, RBGsize_last;
#ifdef SF0_LIMIT
int sf0_upper = -1, sf0_lower = -1;
int sf0_upper = -1, sf0_lower = -1;
#endif
LOG_D(MAC, "Running preprocessor for UE %d (%x)\n", UE_id, rnti);
// initialize harq_pid and round
LOG_D(MAC, "Running preprocessor for UE %d (%x)\n", UE_id, rnti);
// initialize harq_pid and round
if (ue_sched_ctl->ta_timer)
ue_sched_ctl->ta_timer--;
if (ue_sched_ctl->ta_timer)
ue_sched_ctl->ta_timer--;
/*
eNB_UE_stats *eNB_UE_stats;
......@@ -1234,95 +1237,96 @@ dlsch_scheduler_pre_processor_reset(int module_idP,
}
*/
nb_rbs_required[CC_id][UE_id] = 0;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
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) {
nb_rbs_required[CC_id][UE_id] = 0;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctl->dl_pow_off[CC_id] = 2;
switch (N_RB_DL) {
case 6:
RBGsize = 1;
RBGsize_last = 1;
break;
RBGsize = 1;
RBGsize_last = 1;
break;
case 15:
RBGsize = 2;
RBGsize_last = 1;
break;
RBGsize = 2;
RBGsize_last = 1;
break;
case 25:
RBGsize = 2;
RBGsize_last = 1;
break;
RBGsize = 2;
RBGsize_last = 1;
break;
case 50:
RBGsize = 3;
RBGsize_last = 2;
break;
RBGsize = 3;
RBGsize_last = 2;
break;
case 75:
RBGsize = 4;
RBGsize_last = 3;
break;
RBGsize = 4;
RBGsize_last = 3;
break;
case 100:
RBGsize = 4;
RBGsize_last = 4;
break;
RBGsize = 4;
RBGsize_last = 4;
break;
default:
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
}
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
}
#ifdef SF0_LIMIT
switch (N_RBG) {
switch (N_RBG) {
case 6:
sf0_lower = 0;
sf0_upper = 5;
break;
sf0_lower = 0;
sf0_upper = 5;
break;
case 8:
sf0_lower = 2;
sf0_upper = 5;
break;
sf0_lower = 2;
sf0_upper = 5;
break;
case 13:
sf0_lower = 4;
sf0_upper = 7;
break;
sf0_lower = 4;
sf0_upper = 7;
break;
case 17:
sf0_lower = 7;
sf0_upper = 9;
break;
sf0_lower = 7;
sf0_upper = 9;
break;
case 25:
sf0_lower = 11;
sf0_upper = 13;
break;
sf0_lower = 11;
sf0_upper = 13;
break;
default:
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
}
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
}
#endif
// Initialize Subbands according to VRB map
for (i = 0; i < N_RBG; i++) {
int rb_size = i == N_RBG - 1 ? RBGsize_last : RBGsize;
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
rballoc_sub[CC_id][i] = 0;
// Initialize Subbands according to VRB map
for (i = 0; i < N_RBG; i++) {
int rb_size = i == N_RBG - 1 ? RBGsize_last : RBGsize;
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
rballoc_sub[CC_id][i] = 0;
#ifdef SF0_LIMIT
// for avoiding 6+ PRBs around DC in subframe 0 (avoid excessive errors)
/* TODO: make it proper - allocate those RBs, do not "protect" them, but
* compute number of available REs and limit MCS according to the
* TBS table 36.213 7.1.7.2.1-1 (can be done after pre-processor)
*/
if (subframeP == 0 && i >= sf0_lower && i <= sf0_upper)
rballoc_sub[CC_id][i] = 1;
// for avoiding 6+ PRBs around DC in subframe 0 (avoid excessive errors)
/* TODO: make it proper - allocate those RBs, do not "protect" them, but
* compute number of available REs and limit MCS according to the
* TBS table 36.213 7.1.7.2.1-1 (can be done after pre-processor)
*/
if (subframeP == 0 && i >= sf0_lower && i <= sf0_upper)
rballoc_sub[CC_id][i] = 1;
#endif
// for SI-RNTI,RA-RNTI and P-RNTI allocations
for (j = 0; j < rb_size; j++) {
if (vrb_map[j + (i * RBGsize)] != 0) {
rballoc_sub[CC_id][i] = 1;
LOG_D(MAC, "Frame %d, subframe %d : vrb %d allocated\n",
frameP, subframeP, j + (i * RBGsize));
break;
}
}
LOG_D(MAC, "Frame %d Subframe %d CC_id %d RBG %i : rb_alloc %d\n",
frameP, subframeP, CC_id, i, rballoc_sub[CC_id][i]);
MIMO_mode_indicator[CC_id][i] = 2;
// for SI-RNTI,RA-RNTI and P-RNTI allocations
for (j = 0; j < rb_size; j++) {
if (vrb_map[j + (i * RBGsize)] != 0) {
rballoc_sub[CC_id][i] = 1;
LOG_D(MAC, "Frame %d, subframe %d : vrb %d allocated\n",
frameP, subframeP, j + (i * RBGsize));
break;
}
}
LOG_D(MAC, "Frame %d Subframe %d CC_id %d RBG %i : rb_alloc %d\n",
frameP, subframeP, CC_id, i, rballoc_sub[CC_id][i]);
MIMO_mode_indicator[CC_id][i] = 2;
}
}
......
openair2/LAYER2/MAC/proto.h
View file @ 4fb2e609
......@@ -209,11 +209,6 @@ void dlsch_scheduler_pre_processor_reset(int module_idP, int UE_id,
uint16_t
nb_rbs_required[MAX_NUM_CCs]
[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
rballoc_sub[MAX_NUM_CCs]
[N_RBG_MAX],
......
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