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[OAI-UE] - PUCCH Format2 Periodic CQI/RI reporting

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Handle SRS TX in case of CQI / SR / AN simultaneous transmission
This commit is contained in:
hbilel
2016-10-27 14:30:30 +02:00
parent 31fbc80520 d8defff0fa
commit 10ab1c3e8b
8 changed files with 445 additions and 73 deletions
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openair1/SCHED/phy_procedures_lte_ue.c
+317 -19
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@@ -377,6 +377,43 @@ uint8_t is_SR_TXOp(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id)
return(0);
}
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_I(PHY,"[UE %d][CRNTI %x] AbsSubFrame %d.%d Checking for CQI TXOp (cqi_ConfigIndex %d) isCQIOp %d\n",
// ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
// cqirep->cqi_PMI_ConfigIndex,
// (((10*frame + subframe) % cqirep->Npd) == cqirep->N_OFFSET_CQI));
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_I(PHY,"[UE %d][CRNTI %x] AbsSubFrame %d.%d Checking for RI TXOp (ri_ConfigIndex %d) isRIOp %d\n",
// ue->Mod_id,ue->pdcch_vars[eNB_id]->crnti,frame,subframe,
// cqirep->ri_ConfigIndex,
// (((10*frame + subframe + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0));
if (((10*frame + subframe + cqirep->N_OFFSET_CQI - N_OFFSET_RI) % (cqirep->Npd<<log2Mri)) == 0)
return(1);
else
return(0);
}
void compute_srs_pos(lte_frame_type_t frameType,uint16_t isrs,uint16_t *psrsPeriodicity,uint16_t *psrsOffset)
{
if(TDD == frameType)
@@ -484,6 +521,9 @@ void ue_compute_srs_occasion(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id
int subframe_tx = proc->subframe_tx;
uint8_t isSubframeSRS = 0; // SRS Cell Occasion
uint8_t is_pucch2_subframe = 0;
uint8_t is_sr_an_subframe = 0;
SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
// check for SRS opportunity
@@ -533,30 +573,149 @@ void ue_compute_srs_occasion(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id
LOG_D(PHY," SrsDedicatedSetup: %d \n",pSoundingrs_ul_config_dedicated->srsConfigDedicatedSetup);
if(pSoundingrs_ul_config_dedicated->srsConfigDedicatedSetup)
{
compute_srs_pos(frame_parms->frame_type, pSoundingrs_ul_config_dedicated->srs_ConfigIndex, &srsPeriodicity, &srsOffset);
compute_srs_pos(frame_parms->frame_type, pSoundingrs_ul_config_dedicated->srs_ConfigIndex, &srsPeriodicity, &srsOffset);
LOG_D(PHY," srsPeriodicity: %d srsOffset: %d isSubframeSRS %d \n",srsPeriodicity,srsOffset,isSubframeSRS);
LOG_D(PHY," srsPeriodicity: %d srsOffset: %d isSubframeSRS %d \n",srsPeriodicity,srsOffset,isSubframeSRS);
// transmit SRS if the four following constraints are respected:
// - UE is configured to transmit SRS
// - SRS are configured in current subframe
// - UE is configured to send SRS in this subframe
// - CQI is not scheduled in PUCCH transmission - TO BE ADDED
// - simultaneous transmission of SRS and ACKNACK is authorised - TO BE CHECKED
if( isSubframeSRS &&
(((10*frame_tx+subframe_tx) % srsPeriodicity) == srsOffset)
//(! is_pucch_per_cqi_report))
)
{
pSoundingrs_ul_config_dedicated->srsUeSubframe = 1;
ue->ulsch[eNB_id]->srs_active = 1;
ue->ulsch[eNB_id]->Nsymb_pusch = 12-(frame_parms->Ncp<<1)- ue->ulsch[eNB_id]->srs_active;
}
// transmit SRS if the four following constraints are respected:
// - UE is configured to transmit SRS
// - SRS are configured in current subframe
// - UE is configured to send SRS in this subframe
// 36.213 8.2
// 1- A UE shall not transmit SRS whenever SRS and PUCCH format 2/2a/2b transmissions happen to coincide in the same subframe
// 2- A UE shall not transmit SRS whenever SRS transmit
// on and PUCCH transmission carrying ACK/NACK and/or
// positive SR happen to coincide in the same subframe if the parameter
// Simultaneous-AN-and-SRS is FALSE
// check PUCCH format 2/2a/2b transmissions
is_pucch2_subframe = is_cqi_TXOp(ue,proc,eNB_id) && (ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex>0);
is_pucch2_subframe = (is_ri_TXOp(ue,proc,eNB_id) && (ue->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex>0)) || is_pucch2_subframe;
// check ACK/SR transmission
if(frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission == FALSE)
{
if(is_SR_TXOp(ue,proc,eNB_id))
{
uint32_t SR_payload = 0;
if (ue->mac_enabled==1)
{
int Mod_id = ue->Mod_id;
int CC_id = ue->CC_id;
SR_payload = mac_xface->ue_get_SR(Mod_id,
CC_id,
frame_tx,
eNB_id,
ue->pdcch_vars[eNB_id]->crnti,
subframe_tx); // subframe used for meas gap
if (SR_payload > 0)
is_sr_an_subframe = 1;
}
}
uint8_t pucch_ack_payload[2];
if (get_ack(&ue->frame_parms,
ue->dlsch[eNB_id][0]->harq_ack,
subframe_tx,pucch_ack_payload) > 0)
{
is_sr_an_subframe = 1;
}
}
// check SRS UE opportunity
if( isSubframeSRS &&
(((10*frame_tx+subframe_tx) % srsPeriodicity) == srsOffset)
)
{
if ((is_pucch2_subframe == 0) && (is_sr_an_subframe == 0))
{
pSoundingrs_ul_config_dedicated->srsUeSubframe = 1;
ue->ulsch[eNB_id]->srs_active = 1;
ue->ulsch[eNB_id]->Nsymb_pusch = 12-(frame_parms->Ncp<<1)- ue->ulsch[eNB_id]->srs_active;
}
else
{
LOG_I(PHY,"DROP UE-SRS-TX for this subframe %d.%d: collision with PUCCH2 or SR/AN: PUCCH2-occasion: %d, SR-AN-occasion[simSRS-SR-AN %d]: %d \n", frame_tx, subframe_tx, is_pucch2_subframe, frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission, is_sr_an_subframe);
}
}
}
LOG_D(PHY," srsCellSubframe: %d, srsUeSubframe: %d, Nsymb-pusch: %d \n", pSoundingrs_ul_config_dedicated->srsCellSubframe, pSoundingrs_ul_config_dedicated->srsUeSubframe, ue->ulsch[eNB_id]->Nsymb_pusch);
}
}
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-2;
} else if (cqi_PMI_ConfigIndex <=16) { // 10ms CQI_PMI period
cqirep->Npd = 10;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-7;
} else if (cqi_PMI_ConfigIndex <= 36) { // 20 ms CQI_PMI period
cqirep->Npd = 20;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-17;
} else if (cqi_PMI_ConfigIndex <= 76) { // 40 ms CQI_PMI period
cqirep->Npd = 40;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-37;
} else if (cqi_PMI_ConfigIndex <= 156) { // 80 ms CQI_PMI period
cqirep->Npd = 80;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-77;
} else if (cqi_PMI_ConfigIndex <= 316) { // 160 ms CQI_PMI period
cqirep->Npd = 160;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-157;
}
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-318;
}
else if (cqi_PMI_ConfigIndex <= 413) { // 64 ms CQI_PMI period
cqirep->Npd = 64;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-350;
}
else if (cqi_PMI_ConfigIndex <= 541) { // 128 ms CQI_PMI period
cqirep->Npd = 128;
cqirep->N_OFFSET_CQI = cqi_PMI_ConfigIndex-414;
}
}
}
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;
}
}
}
uint16_t get_n1_pucch(PHY_VARS_UE *ue,
UE_rxtx_proc_t *proc,
uint8_t eNB_id,
@@ -1309,14 +1468,42 @@ void ue_srs_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uint8
}
}
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;
@@ -1326,6 +1513,12 @@ void ue_pucch_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
int8_t Po_PUCCH;
SOUNDINGRS_UL_CONFIG_DEDICATED *pSoundingrs_ul_config_dedicated=&ue->soundingrs_ul_config_dedicated[eNB_id];
// 36.213 8.2
/*if ackNackSRS_SimultaneousTransmission == TRUE and in the cell specific SRS subframes UE shall transmit
ACK/NACK and SR using the shortened PUCCH format. This shortened PUCCH format shall be used in a cell
specific SRS subframe even if the UE does not transmit SRS in that subframe
*/
uint8_t isShortenPucch = (pSoundingrs_ul_config_dedicated->srsCellSubframe && frame_parms->soundingrs_ul_config_common.ackNackSRS_SimultaneousTransmission);
bundling_flag = ue->pucch_config_dedicated[eNB_id].tdd_AckNackFeedbackMode;
@@ -1447,7 +1640,7 @@ 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);
}
@@ -1497,6 +1690,111 @@ 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][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2 (CQI), n2_pucch %d, Po_PUCCH %d, isShortenPucch %d, amp %d\n",
Mod_id,
ue->dlsch[eNB_id][0]->rnti,
frame_tx, subframe_tx,
n2_pucch,
Po_PUCCH,
isShortenPucch,
tx_amp);
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,
&CQI_payload,
len, // A
0, // B2 not needed
tx_amp,
subframe_tx,
ue->pdcch_vars[eNB_id]->crnti);
ue->generate_ul_signal[eNB_id] = 1;
}
// 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][RNTI %x] AbsSubFrame %d.%d Generating PUCCH 2 (RI), n2_pucch %d, Po_PUCCH %d, isShortenPucch %d, amp %d\n",
Mod_id,
ue->dlsch[eNB_id][0]->rnti,
frame_tx, subframe_tx,
n2_pucch,
Po_PUCCH,
isShortenPucch,
tx_amp);
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,
&RI_payload,
1, // A
0, // B2 not needed
tx_amp,
subframe_tx,
ue->pdcch_vars[eNB_id]->crnti);
ue->generate_ul_signal[eNB_id] = 1;
}
}
}
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) {