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Commit 3781b40a authored by Francesco Mani's avatar Francesco Mani
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uci mac functions in a new file

parent 8873cf8c
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cmake_targets/CMakeLists.txt
View file @ 3781b40a
......@@ -1919,6 +1919,7 @@ set (MAC_NR_SRC
${NR_GNB_MAC_DIR}/gNB_scheduler_ulsch.c
${NR_GNB_MAC_DIR}/gNB_scheduler_primitives.c
${NR_GNB_MAC_DIR}/gNB_scheduler_phytest.c
${NR_GNB_MAC_DIR}/gNB_scheduler_uci.c
${NR_GNB_MAC_DIR}/gNB_scheduler_RA.c
)
......
openair1/SIMULATION/NR_PHY/prachsim.c
View file @ 3781b40a
......@@ -119,9 +119,6 @@ int main(int argc, char **argv){
uint16_t Nid_cell = 0, preamble_tx = 0, preamble_delay, format, format0, format1;
uint32_t tx_lev = 10000, prach_errors = 0, samp_count; //,tx_lev_dB;
uint64_t SSB_positions = 0x01, absoluteFrequencyPointA = 640000;
uint16_t RA_sfn_index;
uint8_t N_RA_slot;
uint8_t config_period;
int prachOccasion = 0;
double DS_TDL = .03;
uint16_t RA_sfn_index = -1;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
View file @ 3781b40a
This diff is collapsed.
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 3781b40a
......@@ -343,100 +343,6 @@ int nr_generate_dlsch_pdu(module_id_t module_idP,
return offset;
}
void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
// TODO
int max_harq_rounds = 4; // TODO define macro
if (uci_01 != NULL) {
// handle harq
int harq_idx_s = 0;
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_01->harq->num_harq; harq_bit++) {
// search for the right harq process
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
// if the gNB received ack with a good confidence
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
(uci_01->harq->harq_confidence_level == 0)) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
else
sched_ctrl->harq_processes[harq_idx].round++;
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
harq_idx_s = harq_idx + 1;
// if the max harq rounds was reached
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
stats->dlsch_errors++;
}
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
}
}
}
}
if (uci_234 != NULL) {
int harq_idx_s = 0;
int acknack;
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
acknack = ((uci_234->harq.harq_payload[harq_bit>>3])>>harq_bit)&0x01;
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
// if the gNB received ack with a good confidence or if the max harq rounds was reached
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
// TODO add some confidence level for when there is no CRC
if ((uci_234->harq.harq_crc != 1) && acknack) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
else
sched_ctrl->harq_processes[harq_idx].round++;
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
harq_idx_s = harq_idx + 1;
// if the max harq rounds was reached
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
stats->dlsch_errors++;
}
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
}
}
}
}
}
int getNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda) {
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList =
bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c 0 → 100644
View file @ 3781b40a
This diff is collapsed.
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
View file @ 3781b40a
......@@ -201,6 +201,9 @@ void nr_schedule_pucch(int Mod_idP,
frame_t frameP,
sub_frame_t slotP);
void csi_period_offset(NR_CSI_ReportConfig_t *csirep,
int *period, int *offset);
void nr_csi_meas_reporting(int Mod_idP,
int UE_id,
frame_t frameP,
......@@ -219,6 +222,22 @@ void nr_acknack_scheduling(int Mod_idP,
int get_pucch_resource(NR_UE_info_t *UE_info,int UE_id,int k,int l);
int checkTargetSSBInTCIStates_pdcchConfig(int ssb_index_t, int Mod_idP, int UE_id);
int checkTargetSSBInFirst64TCIStates_pdschConfig(int ssb_index_t, int Mod_idP, int UE_id);
int get_measured_rsrp(uint8_t index);
int get_diff_rsrp(uint8_t index, int strongest_rsrp);
void extract_pucch_csi_report (NR_CSI_MeasConfig_t *csi_MeasConfig,
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu,
NR_UE_sched_ctrl_t *sched_ctrl,
frame_t frame,
slot_t slot,
NR_SubcarrierSpacing_t scs, int UE_id,
module_id_t Mod_idP);
void get_pdsch_to_harq_feedback(int Mod_idP,
int UE_id,
NR_SearchSpace__searchSpaceType_PR ss_type,
......
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
View file @ 3781b40a
......@@ -79,159 +79,6 @@ void handle_nr_rach(NR_UL_IND_t *UL_info) {
}
}
void reverse_n_bits(uint8_t *value, uint16_t bitlen) {
uint16_t j;
uint8_t i;
for(j = bitlen - 1,i = 0; j > i; j--, i++) {
if(((*value>>j)&1) != ((*value>>i)&1)) {
*value ^= (1<<j);
*value ^= (1<<i);
}
}
}
void extract_pucch_csi_report ( NR_CSI_MeasConfig_t *csi_MeasConfig,
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu,
NR_UE_sched_ctrl_t *sched_ctrl,
frame_t frame,
slot_t slot,
NR_SubcarrierSpacing_t scs, int UE_id,
module_id_t Mod_idP
) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
uint8_t idx = 0;
uint8_t payload_size = ceil(((double)uci_pdu->csi_part1.csi_part1_bit_len)/8);
uint8_t *payload = calloc (payload_size, sizeof(uint8_t));
NR_CSI_ReportConfig__reportQuantity_PR reportQuantity_type = NR_CSI_ReportConfig__reportQuantity_PR_NOTHING;
NR_UE_info_t *UE_info = &(RC.nrmac[Mod_idP]->UE_info);
uint8_t csi_report_id = 0;
memcpy ( payload, uci_pdu->csi_part1.csi_part1_payload, payload_size);
UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report = 0;
for ( csi_report_id =0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++ ) {
//Assuming in periodic reporting for one slot can be configured with only one CSI-ReportConfig
// if (csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportConfigType.present == NR_CSI_ReportConfig__reportConfigType_PR_periodic) {
//Has to implement according to reportSlotConfig type
/*reportQuantity must be considered according to the current scheduled
CSI-ReportConfig if multiple CSI-ReportConfigs present*/
reportQuantity_type = UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type;
LOG_I(PHY,"SFN/SF:%d%d reportQuantity type = %d\n",frame,slot,reportQuantity_type);
if ( NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == reportQuantity_type) {
uint8_t csi_ssb_idx = 0;
uint8_t diff_rsrp_idx = 0;
uint8_t cri_ssbri_bitlen = UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen;
/*! As per the spec 38.212 and table: 6.3.1.1.2-12 in a single UCI sequence we can have multiple CSI_report
* the number of CSI_report will depend on number of CSI resource sets that are configured in CSI-ResourceConfig RRC IE
* From spec 38.331 from the IE CSI-ResourceConfig for SSB RSRP reporting we can configure only one resource set
* From spec 38.214 section 5.2.1.2 For periodic and semi-persistent CSI Resource Settings, the number of CSI-RS Resource Sets configured is limited to S=1
*/
/** from 38.214 sec 5.2.1.4.2
- if the UE is configured with the higher layer parameter groupBasedBeamReporting set to 'disabled', the UE is
not required to update measurements for more than 64 CSI-RS and/or SSB resources, and the UE shall report in
a single report nrofReportedRS (higher layer configured) different CRI or SSBRI for each report setting
- if the UE is configured with the higher layer parameter groupBasedBeamReporting set to 'enabled', the UE is not
required to update measurements for more than 64 CSI-RS and/or SSB resources, and the UE shall report in a
single reporting instance two different CRI or SSBRI for each report setting, where CSI-RS and/or SSB
resources can be received simultaneously by the UE either with a single spatial domain receive filter, or with
multiple simultaneous spatial domain receive filter
*/
idx = 0; //Since for SSB RSRP reporting in RRC can configure only one ssb resource set per one report config
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri = UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri;
for (csi_ssb_idx = 0; csi_ssb_idx < sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri ; csi_ssb_idx++) {
if(cri_ssbri_bitlen > 1)
reverse_n_bits(payload, cri_ssbri_bitlen);
if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type)
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx] =
*(UE_info->csi_report_template[UE_id][csi_report_id].SSB_Index_list[cri_ssbri_bitlen>0?((*payload)&~(~1<<(cri_ssbri_bitlen-1))):cri_ssbri_bitlen]);
else
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx] =
*(UE_info->csi_report_template[UE_id][csi_report_id].CSI_Index_list[cri_ssbri_bitlen>0?((*payload)&~(~1<<(cri_ssbri_bitlen-1))):cri_ssbri_bitlen]);
*payload >>= cri_ssbri_bitlen;
LOG_I(PHY,"SSB_index = %d",sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx]);
}
reverse_n_bits(payload, 7);
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP = (*payload) & 0x7f;
*payload >>= 7;
for ( diff_rsrp_idx =0; diff_rsrp_idx < sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri - 1; diff_rsrp_idx++ ) {
reverse_n_bits(payload,4);
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx] = (*payload) & 0x0f;
*payload >>= 4;
}
UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report++;
LOG_I(MAC,"csi_payload size = %d, rsrp_id = %d\n",payload_size, sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP);
}
}
if ( !(reportQuantity_type))
AssertFatal(reportQuantity_type, "reportQuantity is not configured");
#if 0
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1 == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
// Handling of extracting cri
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report.cri = calloc ( 1, ceil(bitlen_cri/8));
*(sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report.cri) = *((uint32_t *)payload) & ~(~1<<(bitlen_cri-1));
*payload >>= bitlen_cri;
if ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts ) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->ri = NULL;
} else {
//Handling for the ri for multiple csi ports
}
}
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
if ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts )
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->li = NULL;
else {
//Handle for li for multiple CSI ports
}
}
//TODO: check for zero padding if available shift payload to the number of zero padding bits
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
if ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts ) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->pmi_x1 = NULL;
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->pmi_x2 = NULL;
}
}
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
*(sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->cqi) = *(payload) & 0x0f;
*(payload) >>= 4;
}
#endif
}
void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats, int target_snrx10) {
int num_ucis = UL_info->uci_ind.num_ucis;
......@@ -293,8 +140,8 @@ void handle_nr_uci(NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_
//NR_BWP_Uplink_t *ubwp=RC.nrmac[Mod_idP]->UE_info.secondaryCellGroup[UE_id]->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[bwp_id-1];
NR_SubcarrierSpacing_t scs=*(RC.nrmac[Mod_idP]->common_channels->ServingCellConfigCommon->ssbSubcarrierSpacing);
LOG_I(PHY,"SFN/SF:%d%d scs %ld \n",
UL_info->frame,UL_info->slot,
scs);
UL_info->frame,UL_info->slot,
scs);
//API to parse the csi report and store it into sched_ctrl
extract_pucch_csi_report (csi_MeasConfig, uci_pdu, sched_ctrl,UL_info->frame, UL_info->slot, scs, UE_id, Mod_idP);
//TCI handling function
......
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