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NFAPI SNR interfaces for PUCCH1/PUSCH integrated with power control loops.

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This commit is contained in:
Raymond Knopp
2017-10-01 15:00:56 -07:00
parent 14b2827cec
commit 7fb01d4ea9
8 changed files with 59 additions and 85 deletions
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openair1/PHY/LTE_TRANSPORT/defs.h
+2
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@@ -568,6 +568,8 @@ typedef struct {
uint16_t n_pucch_3[2];
/// TDD Bundling/multiplexing flag
uint8_t tdd_bundling;
/// Received Energy
uint32_t stat;
#ifdef Rel14
/// non BL/CE, CEmodeA, CEmodeB
UE_type_t ue_type;
openair1/PHY/LTE_TRANSPORT/pucch.c
+5 -67
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@@ -1790,12 +1790,9 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
LTE_eNB_COMMON *common_vars = &eNB->common_vars;
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
// PUCCH_CONFIG_DEDICATED *pucch_config_dedicated = &eNB->pucch_config_dedicated[UE_id];
int8_t sigma2_dB = eNB->measurements.n0_subband_power_tot_dB[0]-10;
uint32_t *Po_PUCCH = &(eNB->UE_stats[UE_id].Po_PUCCH);
int32_t *Po_PUCCH_dBm = &(eNB->UE_stats[UE_id].Po_PUCCH_dBm);
uint32_t *Po_PUCCH1_below = &(eNB->UE_stats[UE_id].Po_PUCCH1_below);
uint32_t *Po_PUCCH1_above = &(eNB->UE_stats[UE_id].Po_PUCCH1_above);
int32_t *Po_PUCCH_update = &(eNB->UE_stats[UE_id].Po_PUCCH_update);
int8_t sigma2_dB = 20;//eNB->measurements.n0_subband_power_tot_dB[0]-10;
uint32_t u,v,n,aa;
uint32_t z[12*14];
int16_t *zptr;
@@ -2154,6 +2151,7 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
LOG_I(PHY,"[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (%d, %d), phase_max : %d\n",dB_fixed(stat_max),sigma2_dB,eNB->measurements.n0_subband_power_tot_dBm[6],pucch1_thres,phase_max);
#endif
eNB->pucch1_stats[UE_id][(subframe<<10)+eNB->pucch1_stats_cnt[UE_id][subframe]] = stat_max;
eNB->pucch1_stats_thres[UE_id][(subframe<<10)+eNB->pucch1_stats_cnt[UE_id][subframe]] = sigma2_dB+pucch1_thres;
eNB->pucch1_stats_cnt[UE_id][subframe] = (eNB->pucch1_stats_cnt[UE_id][subframe]+1)&1023;
@@ -2174,15 +2172,10 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
// This is a moving average of the PUCCH1 statistics conditioned on being above or below the threshold
if (sigma2_dB<(dB_fixed(stat_max)-pucch1_thres)) {
*payload = 1;
*Po_PUCCH1_above = ((*Po_PUCCH1_above<<9) + (stat_max<<9)+1024)>>10;
//LOG_I(PHY,"[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (%d, %d), phase_max : %d\n",dB_fixed(stat_max),sigma2_dB,eNB->PHY_measurements_eNB[0].n0_power_tot_dBm,pucch1_thres,phase_max);
}
else {
*payload = 0;
*Po_PUCCH1_below = ((*Po_PUCCH1_below<<9) + (stat_max<<9)+1024)>>10;
}
//printf("[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (I0 %d dBm, thres %d), Po_PUCCH1_below/above : %d / %d\n",dB_fixed(stat_max),sigma2_dB,eNB->measurements[0].n0_subband_power_tot_dBm[6],pucch1_thres,dB_fixed(*Po_PUCCH1_below),dB_fixed(*Po_PUCCH1_above));
*Po_PUCCH_update = 1;
if (UE_id==0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_SR_ENERGY,dB_fixed(stat_max));
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_SR_THRES,sigma2_dB+pucch1_thres);
@@ -2283,23 +2276,10 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
stat_re=0;
stat_im=0;
// printf("PUCCH1A : Po_PUCCH before %d dB (%d)\n",dB_fixed(*Po_PUCCH),*Po_PUCCH);
*Po_PUCCH = ((*Po_PUCCH>>1) + ((stat_max)>>1));
*Po_PUCCH_dBm = dB_fixed(*Po_PUCCH/frame_parms->N_RB_UL) - eNB->rx_total_gain_dB;
*Po_PUCCH_update = 1;
/*
printf("PUCCH1A : stat_max %d (%d,%d,%d) => Po_PUCCH %d\n",
dB_fixed(stat_max),
pucch1_thres+sigma2_dB,
pucch1_thres,
sigma2_dB,
dB_fixed(*Po_PUCCH));
*/
// Do detection now
if (sigma2_dB<(dB_fixed(stat_max)-pucch1_thres)) {//
*Po_PUCCH = ((*Po_PUCCH*1023) + stat_max)>>10;
chL = (nsymb>>1)-4;
chest_mag=0;
cfo = (frame_parms->Ncp==0) ? &cfo_pucch_np[14*phase_max] : &cfo_pucch_ep[12*phase_max];
@@ -2534,45 +2514,3 @@ uint32_t rx_pucch(PHY_VARS_eNB *eNB,
return((int32_t)stat_max);
}
int32_t rx_pucch_emul(PHY_VARS_eNB *eNB,
eNB_rxtx_proc_t *proc,
uint8_t UE_index,
PUCCH_FMT_t fmt,
uint8_t n1_pucch_sel,
uint8_t *payload)
{
uint8_t UE_id;
uint16_t rnti;
int subframe = proc->subframe_rx;
uint8_t CC_id = eNB->CC_id;
rnti = eNB->ulsch[UE_index]->rnti;
for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
if (rnti == PHY_vars_UE_g[UE_id][CC_id]->pdcch_vars[PHY_vars_UE_g[UE_id][CC_id]->current_thread_id[subframe]][0]->crnti)
break;
}
if (UE_id==NB_UE_INST) {
LOG_W(PHY,"rx_pucch_emul: Didn't find UE with rnti %x\n",rnti);
return(-1);
}
if (fmt == pucch_format1) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->sr[subframe];
} else if (fmt == pucch_format1a) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[0];
} else if (fmt == pucch_format1b) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[0];
payload[1] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[1];
} else
LOG_E(PHY,"[eNB] Frame %d: Can't handle formats 2/2a/2b\n",proc->frame_rx);
if (PHY_vars_UE_g[UE_id][CC_id]->pucch_sel[subframe] == n1_pucch_sel)
return(99);
else
return(0);
}
openair1/SCHED/fapi_l1.h
+1 -1
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@@ -39,7 +39,7 @@
void fill_uci_harq_indication(PHY_VARS_eNB *eNB,LTE_eNB_UCI *uci,int frame,int subframe,uint8_t *harq_ack,uint8_t tdd_mapping_mode,uint16_t tdd_multiplexing_mask);
void fill_ulsch_harq_indication(PHY_VARS_eNB *eNB,LTE_UL_eNB_HARQ_t *ulsch_harq,uint16_t rnti, int frame,int subframe,int bundling);
void fill_ulsch_cqi_indication(PHY_VARS_eNB *eNB,uint16_t frame,uint8_t subframe,LTE_UL_eNB_HARQ_t *ulsch_harq,uint16_t rnti);
void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe);
void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe,uint32_t stat);
void fill_rx_indication(PHY_VARS_eNB *eNB,int UE_id,int frame,int subframe);
void fill_crc_indication(PHY_VARS_eNB *eNB,int UE_id,int frame,int subframe,uint8_t crc_flag);
void handle_nfapi_dci_dl_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,nfapi_dl_config_request_pdu_t *dl_config_pdu);
openair1/SCHED/phy_procedures_lte_eNb.c
+27 -5
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@@ -752,8 +752,8 @@ void srs_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
}
}
void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe) {
void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe,uint32_t stat) {
pthread_mutex_lock(&eNB->UL_INFO_mutex);
nfapi_sr_indication_pdu_t *pdu = &eNB->UL_INFO.sr_ind.sr_pdu_list[eNB->UL_INFO.sr_ind.number_of_srs];
@@ -761,6 +761,14 @@ void fill_sr_indication(PHY_VARS_eNB *eNB,uint16_t rnti,int frame,int subframe)
// pdu->rx_ue_information.handle = handle;
pdu->rx_ue_information.rnti = rnti;
int SNRtimes10 = dB_fixed_times10(stat) - 200;//(10*eNB->measurements.n0_power_dB[0]);
if (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
else if (SNRtimes10 > 635) pdu->ul_cqi_information.ul_cqi=255;
else pdu->ul_cqi_information.ul_cqi=(640+SNRtimes10)/5;
pdu->ul_cqi_information.channel = 0;
eNB->UL_INFO.sr_ind.number_of_srs++;
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
}
@@ -838,7 +846,7 @@ void uci_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc)
uci->n_pucch_1_0_sr[0]);
if (uci->type == SR) {
if (SR_payload == 1) {
fill_sr_indication(eNB,uci->rnti,frame,subframe);
fill_sr_indication(eNB,uci->rnti,frame,subframe,metric_SR);
return;
}
else {
@@ -867,7 +875,7 @@ void uci_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc)
/* cancel SR detection if reception on n1_pucch0 is better than on SR PUCCH resource index, otherwise send it up to MAC */
if (uci->type==HARQ_SR && metric[0] > metric_SR) SR_payload = 0;
else if (SR_payload == 1) fill_sr_indication(eNB,uci->rnti,frame,subframe);
else if (SR_payload == 1) fill_sr_indication(eNB,uci->rnti,frame,subframe,metric_SR);
if (uci->type==HARQ_SR && metric[0] <= metric_SR) {
/* when transmitting ACK/NACK on SR PUCCH resource index, SR payload is always 1 */
@@ -1740,7 +1748,13 @@ void fill_ulsch_harq_indication(PHY_VARS_eNB *eNB,LTE_UL_eNB_HARQ_t *ulsch_harq,
}
void fill_uci_harq_indication(PHY_VARS_eNB *eNB,LTE_eNB_UCI *uci,int frame,int subframe,uint8_t *harq_ack,uint8_t tdd_mapping_mode,uint16_t tdd_multiplexing_mask) {
void fill_uci_harq_indication(PHY_VARS_eNB *eNB,
LTE_eNB_UCI *uci,
int frame,
int subframe,
uint8_t *harq_ack,
uint8_t tdd_mapping_mode,
uint16_t tdd_multiplexing_mask) {
int UE_id=find_dlsch(uci->rnti,eNB,SEARCH_EXIST);
@@ -1752,6 +1766,14 @@ void fill_uci_harq_indication(PHY_VARS_eNB *eNB,LTE_eNB_UCI *uci,int frame,int s
// pdu->rx_ue_information.handle = handle;
pdu->rx_ue_information.rnti = uci->rnti;
// estimate UL_CQI for MAC (from antenna port 0 only)
int SNRtimes10 = dB_fixed_times10(uci->stat) - 200;//(10*eNB->measurements.n0_power_dB[0]);
if (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
else if (SNRtimes10 > 635) pdu->ul_cqi_information.ul_cqi=255;
else pdu->ul_cqi_information.ul_cqi=(640+SNRtimes10)/5;
pdu->ul_cqi_information.channel = 0;
if (eNB->frame_parms.frame_type == FDD) {
if (uci->pucch_fmt == pucch_format1a) {
openair2/LAYER2/MAC/defs.h
+3
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@@ -819,8 +819,11 @@ typedef struct {
int32_t phr_received;
uint8_t periodic_ri_received[NFAPI_CC_MAX];
uint8_t aperiodic_ri_received[NFAPI_CC_MAX];
uint8_t pucch1_cqi_update[NFAPI_CC_MAX];
uint8_t pucch1_snr[NFAPI_CC_MAX];
uint8_t pucch2_cqi_update[NFAPI_CC_MAX];
uint8_t pucch2_snr[NFAPI_CC_MAX];
uint8_t pucch3_cqi_update[NFAPI_CC_MAX];
uint8_t pucch3_snr[NFAPI_CC_MAX];
uint8_t pusch_snr[NFAPI_CC_MAX];
uint16_t feedback_cnt[NFAPI_CC_MAX];
openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
+8 -7
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@@ -1165,16 +1165,17 @@ schedule_ue_spec(
// do PUCCH power control
// this is the normalized RX power
eNB_UE_stats = &UE_list->eNB_UE_stats[CC_id][UE_id];
normalized_rx_power = eNB_UE_stats->Po_PUCCH_dBm;
target_rx_power = cc[CC_id].radioResourceConfigCommon->uplinkPowerControlCommon.p0_NominalPUCCH + 20;
normalized_rx_power = ue_sched_ctl->pucch1_snr[CC_id];
target_rx_power = 20;
// this assumes accumulated tpc
// make sure that we are only sending a tpc update once a frame, otherwise the control loop will freak out
int32_t framex10psubframe = UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame*10+UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe;
if (((framex10psubframe+10)<=(frameP*10+subframeP)) || //normal case
((framex10psubframe>(frameP*10+subframeP)) && (((10240-framex10psubframe+frameP*10+subframeP)>=10)))) //frame wrap-around
if (eNB_UE_stats->Po_PUCCH_update == 1) {
eNB_UE_stats->Po_PUCCH_update = 0;
if (ue_sched_ctl->pucch1_cqi_update[CC_id] == 1) {
ue_sched_ctl->pucch1_cqi_update[CC_id] = 0;
UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame=frameP;
UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe=subframeP;
@@ -1188,10 +1189,10 @@ schedule_ue_spec(
} else {
tpc = 1; //0
}
/*
LOG_I(MAC,"[eNB %d] DLSCH scheduler: frame %d, subframe %d, harq_pid %d, tpc %d, accumulated %d, normalized/target rx power %d/%d\n",
LOG_D(MAC,"[eNB %d] DLSCH scheduler: frame %d, subframe %d, harq_pid %d, tpc %d, accumulated %d, normalized/target rx power %d/%d\n",
module_idP,frameP, subframeP,harq_pid,tpc,
tpc_accumulated,normalized_rx_power,target_rx_power);*/
tpc_accumulated,normalized_rx_power,target_rx_power);
} // Po_PUCCH has been updated
else {
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+11 -3
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@@ -3626,6 +3626,12 @@ void SR_indication(module_id_t mod_idP, int cc_idP, frame_t frameP, sub_frame_t
if (UE_id != -1) {
if (mac_eNB_get_rrc_status(mod_idP,UE_RNTI(mod_idP,UE_id)) < RRC_CONNECTED)
LOG_I(MAC,"[eNB %d][SR %x] Frame %d subframeP %d Signaling SR for UE %d on CC_id %d\n",mod_idP,rntiP,frameP,subframeP, UE_id,cc_idP);
UE_sched_ctrl *sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
sched_ctl->pucch1_snr[cc_idP] = ul_cqi;
sched_ctl->pucch1_cqi_update[cc_idP] = 1;
UE_list->UE_template[cc_idP][UE_id].ul_SR = 1;
UE_list->UE_template[cc_idP][UE_id].ul_active = TRUE;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_SR_INDICATION,1);
@@ -3667,9 +3673,11 @@ void harq_indication(module_id_t mod_idP, int CC_idP, frame_t frameP, sub_frame_
UE_sched_ctrl *sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
COMMON_channels_t *cc = &RC.mac[mod_idP]->common_channels[CC_idP];
// extract HARQ Information
LOG_D(MAC,"Frame %d, subframe %d: Received harq indication (%d) from UE %d/%x\n",frameP,subframeP,channel,UE_id,rnti);
LOG_D(MAC,"Frame %d, subframe %d: Received harq indication (%d) from UE %d/%x, ul_cqi %d\n",frameP,subframeP,channel,UE_id,rnti,ul_cqi);
if (cc->tdd_Config) extract_harq(mod_idP,CC_idP,UE_id,frameP,subframeP,(void*)&harq_pdu->harq_indication_tdd_rel13,channel);
else extract_harq(mod_idP,CC_idP,UE_id,frameP,subframeP,(void*)&harq_pdu->harq_indication_fdd_rel13,channel);
if (channel == 0) sched_ctl->pucch1_snr[CC_idP] = ul_cqi;
if (channel == 0) {
sched_ctl->pucch1_snr[CC_idP] = ul_cqi;
sched_ctl->pucch1_cqi_update[CC_idP] = 1;
}
}
openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+2 -2
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@@ -994,8 +994,8 @@ abort();
//compute the expected ULSCH RX power (for the stats)
// this is the normalized RX power and this should be constant (regardless of mcs
normalized_rx_power = eNB_UE_stats->UL_rssi;
target_rx_power = cc[CC_id].radioResourceConfigCommon->uplinkPowerControlCommon.p0_NominalPUSCH;//get_target_pusch_rx_power(module_idP,CC_id);
normalized_rx_power = UE_sched_ctrl->pusch_snr[CC_id];
target_rx_power = 20;
// this assumes accumulated tpc
// make sure that we are only sending a tpc update once a frame, otherwise the control loop will freak out