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Fix: add SNR filter for ULSCH AMC.

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This commit is contained in:
Haruki NAOI
2020-11-26 18:28:56 +09:00
committed by shono.takafumi
parent 66f99a9020
commit 55207a5062
5 changed files with 22 additions and 9 deletions
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openair2/LAYER2/MAC/defs.h
+1
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@@ -832,6 +832,7 @@ typedef struct {
uint8_t pucch3_snr[NFAPI_CC_MAX];
uint8_t pusch_snr[NFAPI_CC_MAX];
uint8_t pusch_snr_avg[NFAPI_CC_MAX];
uint8_t pusch_snr_amc[NFAPI_CC_MAX];
uint16_t feedback_cnt[NFAPI_CC_MAX];
uint16_t timing_advance;
uint16_t timing_advance_r9;
openair2/LAYER2/MAC/eNB_scheduler_fairRR.c
+9 -6
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@@ -2572,7 +2572,7 @@ void ulsch_scheduler_pre_processor_fairRR(module_id_t module_idP,
uint16_t first_rb[MAX_NUM_CCs];
uint8_t mcs;
uint8_t snr;
uint8_t snr2mcs_offset = 4;
uint8_t snr2mcs_offset = 0;
uint8_t rb_table_index;
uint8_t num_pucch_rb;
uint32_t tbs;
@@ -2667,10 +2667,13 @@ void ulsch_scheduler_pre_processor_fairRR(module_id_t module_idP,
UE_template = &UE_info->UE_template[CC_id][UE_id];
if ( UE_info->UE_sched_ctrl[UE_id].phr_received == 1 ) {
snr = (5 * UE_info->UE_sched_ctrl[UE_id].pusch_snr[CC_id] - 640) / 10;
snr = (5 * UE_info->UE_sched_ctrl[UE_id].pusch_snr_amc[CC_id] - 640) / 10;
if((snr + snr2mcs_offset) >= 20) {
mcs = 20;
}
else if((snr + snr2mcs_offset) < 3) {
mcs = 3;
}
else {
mcs = snr + snr2mcs_offset;
}
@@ -3204,8 +3207,8 @@ void schedule_ulsch_rnti_fairRR(module_id_t module_idP,
nfapi_hi_dci0_request_t *nfapi_hi_dci0_req = &eNB->HI_DCI0_req[CC_id][subframeP];
nfapi_hi_dci0_req->sfn_sf = frameP<<4|subframeP; // sfnsf_add_subframe(sched_frame, sched_subframeP, 0); // sunday!
nfapi_hi_dci0_req->header.message_id = NFAPI_HI_DCI0_REQUEST;
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE %d/%x, ulsch_frame %d, ulsch_subframe %d\n",
harq_pid,frameP,subframeP,UE_id,rnti,sched_frame,sched_subframeP);
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE %d/%x, ulsch_frame %d, ulsch_subframe %d mcs %d first_rb %d num_rb %d round %d\n",
harq_pid,frameP,subframeP,UE_id,rnti,sched_frame,sched_subframeP,UE_template->mcs_UL[harq_pid],first_rb[CC_id],rb_table[rb_table_index],0);
ul_req_index = 0;
dlsch_flag = 0;
@@ -3355,8 +3358,8 @@ void schedule_ulsch_rnti_fairRR(module_id_t module_idP,
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.harq_pid = harq_pid;
hi_dci0_req->number_of_dci++;
// Add UL_config PDUs
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE %d/%x, ulsch_frame %d, ulsch_subframe %d\n",
harq_pid,frameP,subframeP,UE_id,rnti,sched_frame,sched_subframeP);
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE %d/%x, ulsch_frame %d, ulsch_subframe %d mcs %d first_rb %d num_rb %d round %d\n",
harq_pid,frameP,subframeP,UE_id,rnti,sched_frame,sched_subframeP,mcs_rv,ulsch_ue_select[CC_id].list[ulsch_ue_num].start_rb,ulsch_ue_select[CC_id].list[ulsch_ue_num].nb_rb,UE_sched_ctrl->round_UL[CC_id][harq_pid]);
ul_req_index = 0;
dlsch_flag = 0;
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+1 -1
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@@ -2218,7 +2218,7 @@ add_new_ue(module_id_t mod_idP,
UE_info->UE_sched_ctrl[UE_id].ta_update = 31;
UE_info->UE_sched_ctrl[UE_id].pusch_snr[cc_idP] = 0;
UE_info->UE_sched_ctrl[UE_id].pusch_snr_avg[cc_idP] = 0;
UE_info->UE_sched_ctrl[UE_id].pusch_snr_amc[cc_idP] = 0;
for (j = 0; j < 8; j++) {
UE_info->UE_template[cc_idP][UE_id].oldNDI[j] = 0;
UE_info->UE_template[cc_idP][UE_id].oldNDI_UL[j] = 0;
openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+10 -2
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@@ -168,12 +168,20 @@ rx_sdu(const module_id_t enb_mod_idP,
UE_scheduling_control->ta_update = (UE_scheduling_control->ta_update * 3 + timing_advance) / 4;
UE_scheduling_control->pusch_snr[CC_idP] = ul_cqi;
double tpc_forgetting_filter=0.75;
double snr_filter_tpc=0.75;
if(UE_scheduling_control->pusch_snr_avg[CC_idP] == 0) {
UE_scheduling_control->pusch_snr_avg[CC_idP] = ul_cqi;
}
else {
UE_scheduling_control->pusch_snr_avg[CC_idP] = (int)((double)UE_scheduling_control->pusch_snr_avg[CC_idP] * tpc_forgetting_filter + (double)ul_cqi * (1-tpc_forgetting_filter));
UE_scheduling_control->pusch_snr_avg[CC_idP] = (int)((double)UE_scheduling_control->pusch_snr_avg[CC_idP] * snr_filter_tpc + (double)ul_cqi * (1-snr_filter_tpc));
}
double snr_filter_amc=0.5;
if(UE_scheduling_control->pusch_snr_amc[CC_idP] == 0) {
UE_scheduling_control->pusch_snr_amc[CC_idP] = ul_cqi;
}
else {
UE_scheduling_control->pusch_snr_amc[CC_idP] = (int)((double)UE_scheduling_control->pusch_snr_amc[CC_idP] * snr_filter_amc + (double)ul_cqi * (1-snr_filter_amc));
}
UE_scheduling_control->ul_consecutive_errors = 0;
openair2/LAYER2/MAC/mac.h
+1
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@@ -962,6 +962,7 @@ typedef struct {
uint8_t pucch3_snr[NFAPI_CC_MAX];
uint8_t pusch_snr[NFAPI_CC_MAX];
uint8_t pusch_snr_avg[NFAPI_CC_MAX];
uint8_t pusch_snr_amc[NFAPI_CC_MAX];
uint16_t feedback_cnt[NFAPI_CC_MAX];
uint16_t timing_advance;
uint16_t timing_advance_r9;