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periodic cqi procedures

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This commit is contained in:
Raymond Knopp
2016-10-20 06:32:33 -07:00
parent 2e688c69ca
commit d8defff0fa
8 changed files with 317 additions and 12 deletions
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openair1/SCHED/phy_procedures_lte_ue.c
+241 -3
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@@ -377,6 +377,112 @@ uint8_t is_SR_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
return(0);
}
void get_cqipmiri_params(PHY_VARS_UE *ue,uint8_t eNB_id)
{
CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;
int cqi_PMI_ConfigIndex = cqirep->cqi_PMI_ConfigIndex;
if (ue->frame_parms.frame_type == FDD) {
if (cqi_PMI_ConfigIndex <= 1) { // 2 ms CQI_PMI period
cqirep->Npd = 2;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex;
} else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
cqirep->Npd = 5;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-1;
} else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
cqirep->Npd = 10;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-6;
} else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
cqirep->Npd = 20;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-16;
} else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
cqirep->Npd = 40;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-36;
} else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
cqirep->Npd = 80;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-76;
} else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
cqirep->Npd = 160;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-156;
}
else if (cqi_PMI_ConfigIndex > 317) {
if (cqi_PMI_ConfigIndex <= 349) { // 32 ms CQI_PMI period
cqirep->Npd = 32;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-316;
}
else if (cqi_PMI_ConfigIndex <= 413) { // 64 ms CQI_PMI period
cqirep->Npd = 64;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-349;
}
else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
cqirep->Npd = 128;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-413;
}
}
}
else { // TDD
if (cqi_PMI_ConfigIndex == 0) { // all UL subframes
cqirep->Npd = 1;
cqirep->N_OFFSET_CQI = 0;
} else if (cqi_PMI_ConfigIndex <= 6) { // 5 ms CQI_PMI period
cqirep->Npd = 5;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-1;
} else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
cqirep->Npd = 10;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-6;
} else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
cqirep->Npd = 20;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-16;
} else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
cqirep->Npd = 40;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-36;
} else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
cqirep->Npd = 80;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-76;
} else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
cqirep->Npd = 160;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-156;
}
}
}
uint8_t is_cqi_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{
int subframe = proc->subframe_tx;
int frame = proc->frame_tx;
CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;
LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Checking for CQI TXOp (cqi_ConfigIndex %d)\n",
ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
cqirep->cqi_PMI_ConfigIndex);
if (((10*frame + subframe) % cqirep->Npd) == cqirep->N_OFFSET_CQI)
return(1);
else
return(0);
}
uint8_t is_ri_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
{
int subframe = proc->subframe_tx;
int frame = proc->frame_tx;
CQI_REPORTPERIODIC *cqirep = &ue->cqi_report_config[eNB_id].CQI_ReportPeriodic;
int log2Mri = cqirep->ri_ConfigIndex/161;
int N_OFFSET_RI = cqirep->ri_ConfigIndex % 161;
LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Checking for RI TXOp (ri_ConfigIndex %d)\n",
ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
cqirep->ri_ConfigIndex);
if (((10*frame + subframe + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0)
return(1);
else
return(0);
}
uint16_t get_n1_pucch(PHY_VARS_UE *ue,
UE_rxtx_proc_t *proc,
uint8_t eNB_id,
@@ -1079,14 +1185,42 @@ void ue_ulsch_uespec_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB
}
int16_t get_pucch2_cqi(PHY_VARS_UE *ue,int eNB_id,int *len) {
if ((ue->transmission_mode[eNB_id]<4)||
(ue->transmission_mode[eNB_id]==7)) { // Mode 1-0 feedback
// 4-bit CQI message
*len=4;
return(sinr2cqi((double)ue->measurements.wideband_cqi_avg[eNB_id],
ue->transmission_mode[eNB_id]));
}
else { // Mode 1-1 feedback, later
*len=0;
// 2-antenna ports RI=1, 6 bits (2 PMI, 4 CQI)
// 2-antenna ports RI=2, 8 bits (1 PMI, 7 CQI/DIFF CQI)
return(0);
}
}
int16_t get_pucch2_ri(PHY_VARS_UE *ue,int eNB_id) {
return(1);
}
void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag) {
uint8_t pucch_ack_payload[2];
uint8_t n1_pucch;
uint8_t n1_pucch,n2_pucch;
ANFBmode_t bundling_flag;
PUCCH_FMT_t format;
uint8_t SR_payload;
uint16_t CQI_payload;
uint16_t RI_payload;
LTE_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
int frame_tx=proc->frame_tx;
int subframe_tx=proc->subframe_tx;
@@ -1210,7 +1344,7 @@ void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
#endif
}
} else if (SR_payload==1) { // no ACK/NAK but SR is triggered by MAC
if (ue->mac_enabled == 1) {
Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,pucch_format1);
}
@@ -1258,6 +1392,107 @@ void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
}
} // SR_Payload==1
// PUCCH 2x
if (ue->generate_ul_signal[eNB_id] == 0) { // we have not generated ACK/NAK/SR in this subframe
n2_pucch = ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PUCCH_ResourceIndex;
// only use format2 for now, i.e. now ACK/NAK - CQI multiplexing
format = pucch_format2;
// Periodic CQI report
if ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0)&&
(is_cqi_TXOp(ue,proc,eNB_id)==1)){
if (ue->mac_enabled == 1) {
Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
}
else {
Po_PUCCH = ue->tx_power_max_dBm;
}
ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
ue->tx_total_RE[subframe_tx] = 12;
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
tx_amp = get_tx_amp(Po_PUCCH,
ue->tx_power_max_dBm,
ue->frame_parms.N_RB_UL,
1);
#else
tx_amp = AMP;
#endif
LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Generating PUCCH 2 (CQI), n2_pucch %d, Po_PUCCH %d\n",
Mod_id,
ue->dlsch[eNB_id][0]->rnti,
frame_tx, subframe_tx,
n2_pucch,
Po_PUCCH);
int len;
// get the payload : < 12 bits, returned in len
CQI_payload = get_pucch2_cqi(ue,eNB_id,&len);
generate_pucch2x(ue->common_vars.txdataF,
&ue->frame_parms,
ue->ncs_cell,
format,
&ue->pucch_config_dedicated[eNB_id],
n2_pucch,
1, // shortened format
&CQI_payload,
len, // A
0, // B2 not needed
tx_amp,
subframe_tx,
ue->pdcch_vars[eNB_id]->crnti);
}
// Periodic RI report
else if ((ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0) &&
(is_ri_TXOp(ue,proc,eNB_id)==1)){
if (ue->mac_enabled == 1) {
Po_PUCCH = pucch_power_cntl(ue,proc,subframe_tx,eNB_id,format);
}
else {
Po_PUCCH = ue->tx_power_max_dBm;
}
ue->tx_power_dBm[subframe_tx] = Po_PUCCH;
ue->tx_total_RE[subframe_tx] = 12;
#if defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_BLADERF) || defined(OAI_LMSSDR)
tx_amp = get_tx_amp(Po_PUCCH,
ue->tx_power_max_dBm,
ue->frame_parms.N_RB_UL,
1);
#else
tx_amp = AMP;
#endif
LOG_D(PHY,"[UE %d][SR %x] Frame %d subframe %d Generating PUCCH 2 (RI), n2_pucch %d, Po_PUCCH %d\n",
Mod_id,
ue->dlsch[eNB_id][0]->rnti,
frame_tx, subframe_tx,
n2_pucch,
Po_PUCCH);
RI_payload = get_pucch2_ri(ue,eNB_id);
generate_pucch2x(ue->common_vars.txdataF,
&ue->frame_parms,
ue->ncs_cell,
format,
&ue->pucch_config_dedicated[eNB_id],
n2_pucch,
1, // shortened format
&RI_payload,
1, // A
0, // B2 not needed
tx_amp,
subframe_tx,
ue->pdcch_vars[eNB_id]->crnti);
}
}
}
void phy_procedures_UE_TX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,runmode_t mode,relaying_type_t r_type) {
@@ -1299,7 +1534,10 @@ void phy_procedures_UE_TX(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,ui
}
if (ue->UE_mode[eNB_id] == PUSCH) { // check if we need to use PUCCH 1a/1b
ue_pucch_procedures(ue,proc,eNB_id,abstraction_flag);
ue_pucch_procedures(ue,proc,eNB_id,abstraction_flag);
} // UE_mode==PUSCH