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Fixes for handling NR UE DCI decoding errors

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This commit is contained in:
Shweta Shrivastava
2020-08-26 15:01:00 -05:00
parent ab025ab026
commit 3a999254c9
4 changed files with 54 additions and 40 deletions
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executables/nr-uesoftmodem.c
+3 -1
View File
@@ -687,8 +687,10 @@ int main( int argc, char **argv ) {
nr_init_frame_parms_ue(frame_parms[CC_id],nrUE_config,NORMAL);
// Overwrite DL frequency (for FR2 testing)
if (downlink_frequency[0][0]!=0)
if (downlink_frequency[0][0]!=0) {
frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0];
frame_parms[CC_id]->ul_CarrierFreq = downlink_frequency[0][0];
}
init_nr_ue_vars(UE[CC_id],frame_parms[CC_id],0,abstraction_flag);
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+40 -31
View File
@@ -3026,7 +3026,7 @@ void copy_harq_proc_struct(NR_DL_UE_HARQ_t *harq_processes_dest, NR_DL_UE_HARQ_t
memcpy(harq_ack_dest, current_harq_ack, sizeof(nr_harq_status_t));
}*/
void nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_id, PDSCH_t pdsch, NR_UE_DLSCH_t *dlsch0, NR_UE_DLSCH_t *dlsch1) {
int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_id, PDSCH_t pdsch, NR_UE_DLSCH_t *dlsch0, NR_UE_DLSCH_t *dlsch1) {
int nr_tti_rx = proc->nr_tti_rx;
int m;
@@ -3081,8 +3081,8 @@ void nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB
#endif
// process DLSCH received in first slot
// skip DMRS symbols (will have to check later if PDSCH/DMRS are multiplexed
if (((1<<m)&dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos) == 0)
nr_rx_pdsch(ue,
if (((1<<m)&dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos) == 0) {
if (nr_rx_pdsch(ue,
pdsch,
eNB_id,
eNB_id_i,
@@ -3092,20 +3092,25 @@ void nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB
first_symbol_flag,
dual_stream_UE,
i_mod,
dlsch0->current_harq_pid);
dlsch0->current_harq_pid) < 0)
return -1;
}
else { // This is to adjust the llr offset in the case of skipping over a dmrs symbol (i.e. in case of no PDSCH REs in DMRS)
if (pdsch == RA_PDSCH) ue->pdsch_vars_ra[eNB_id]->llr_offset[m]=ue->pdsch_vars_ra[eNB_id]->llr_offset[m-1];
else if (pdsch == PDSCH) nr_rx_pdsch(ue,
pdsch,
eNB_id,
eNB_id_i,
proc->frame_rx,
nr_tti_rx, // nr_tti_rx,
m,
first_symbol_flag,
dual_stream_UE,
i_mod,
dlsch0->current_harq_pid);
else if (pdsch == PDSCH) {
if (nr_rx_pdsch(ue,
pdsch,
eNB_id,
eNB_id_i,
proc->frame_rx,
nr_tti_rx, // nr_tti_rx,
m,
first_symbol_flag,
dual_stream_UE,
i_mod,
dlsch0->current_harq_pid) < 0)
return -1;
}
else AssertFatal(1==0,"not RA_PDSCH or PDSCH\n");
}
if (pdsch == PDSCH) LOG_D(PHY,"Done processing symbol %d : llr_offset %d\n",m,ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][eNB_id]->llr_offset[m]);
@@ -4142,27 +4147,29 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
} else if (ue->dlsch_ra[0]->active == 1){
dlsch = ue->dlsch_ra[0];
}
AssertFatal(dlsch != NULL, "Unsupported mode\n");
uint8_t harq_pid = dlsch->current_harq_pid;
NR_DL_UE_HARQ_t *dlsch0_harq = dlsch->harq_processes[harq_pid];
uint16_t nb_symb_sch = dlsch0_harq->nb_symbols;
uint16_t start_symb_sch = dlsch0_harq->start_symbol;
int symb_dmrs = -1;
LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR Frame.slot %d.%d ------ \n", frame_rx%1024, nr_tti_rx);
//to update from pdsch config
if (dlsch) {
uint8_t harq_pid = dlsch->current_harq_pid;
NR_DL_UE_HARQ_t *dlsch0_harq = dlsch->harq_processes[harq_pid];
uint16_t nb_symb_sch = dlsch0_harq->nb_symbols;
uint16_t start_symb_sch = dlsch0_harq->start_symbol;
int symb_dmrs = -1;
for (int i=0;i<4;i++) if (((1<<i)&dlsch0_harq->dlDmrsSymbPos) > 0) {symb_dmrs=i;break;}
AssertFatal(symb_dmrs>=0,"no dmrs in 0..3\n");
LOG_D(PHY,"Initializing dmrs for symb %d DMRS mask %x\n",symb_dmrs,dlsch0_harq->dlDmrsSymbPos);
nr_gold_pdsch(ue,symb_dmrs,0, 1);
LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR Frame.slot %d.%d ------ \n", frame_rx%1024, nr_tti_rx);
//to update from pdsch config
for (int i=0;i<4;i++) if (((1<<i)&dlsch0_harq->dlDmrsSymbPos) > 0) {symb_dmrs=i;break;}
AssertFatal(symb_dmrs>=0,"no dmrs in 0..3\n");
LOG_D(PHY,"Initializing dmrs for symb %d DMRS mask %x\n",symb_dmrs,dlsch0_harq->dlDmrsSymbPos);
nr_gold_pdsch(ue,symb_dmrs,0, 1);
for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){
nr_slot_fep(ue,
for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){
nr_slot_fep(ue,
m, //to be updated from higher layer
nr_tti_rx,
0,
0);
}
}
} else {
LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: No DCIs found\n", ue->Mod_id, frame_rx, nr_tti_rx);
@@ -4174,9 +4181,10 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
start_meas(&ue->generic_stat);
#endif
// do procedures for C-RNTI
int ret_pdsch;
if (ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id][0]->active == 1) {
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PDSCH_PROC, VCD_FUNCTION_IN);
nr_ue_pdsch_procedures(ue,
ret_pdsch = nr_ue_pdsch_procedures(ue,
proc,
eNB_id,
PDSCH,
@@ -4271,7 +4279,8 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
start_meas(&ue->dlsch_procedures_stat[ue->current_thread_id[nr_tti_rx]]);
#endif
nr_ue_dlsch_procedures(ue,
if (ret_pdsch >= 0)
nr_ue_dlsch_procedures(ue,
proc,
eNB_id,
PDSCH,
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+4 -4
View File
@@ -2342,7 +2342,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, dc
nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_0,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val);
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,pusch_config_pdu_0_0,NULL,dci->time_domain_assignment.val) < 0)
break;
return -1;
/* FREQ_HOPPING_FLAG */
if ((mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated.resource_allocation != 0) &&
(mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated.frequency_hopping !=0))
@@ -2416,7 +2416,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, dc
nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu_0_1,NULL,n_RB_ULBWP,0,dci->frequency_domain_assignment.val);
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,pusch_config_pdu_0_1,NULL,dci->time_domain_assignment.val) < 0)
break;
return -1;
/* FREQ_HOPPING_FLAG */
if ((mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated.resource_allocation != 0) &&
(mac->phy_config.config_req.ul_bwp_dedicated.pusch_config_dedicated.frequency_hopping !=0))
@@ -2747,7 +2747,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, dc
nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_0,0,n_RB_DLBWP,dci->frequency_domain_assignment.val);
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,NULL,dlsch_config_pdu_1_0,dci->time_domain_assignment.val) < 0)
break;
return -1;
/* dmrs symbol positions*/
dlsch_config_pdu_1_0->dlDmrsSymbPos = fill_dmrs_mask(pdsch_config,
mac->scc->dmrs_TypeA_Position,
@@ -2872,7 +2872,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, dc
nr_ue_process_dci_freq_dom_resource_assignment(NULL,dlsch_config_pdu_1_1,0,n_RB_DLBWP,dci->frequency_domain_assignment.val);
/* TIME_DOM_RESOURCE_ASSIGNMENT */
if (nr_ue_process_dci_time_dom_resource_assignment(mac,NULL,dlsch_config_pdu_1_1,dci->time_domain_assignment.val) < 0)
break;
return -1;
/* dmrs symbol positions*/
dlsch_config_pdu_1_1->dlDmrsSymbPos = fill_dmrs_mask(pdsch_config,
mac->scc->dmrs_TypeA_Position,
openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+7 -4
View File
@@ -167,13 +167,16 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_
for(i=0; i<dl_info->dci_ind->number_of_dcis; ++i){
LOG_D(MAC,">>>NR_IF_Module i=%d, dl_info->dci_ind->number_of_dcis=%d\n",i,dl_info->dci_ind->number_of_dcis);
ret_mask |= (handle_dci(dl_info->module_id,
int8_t ret = handle_dci(dl_info->module_id,
dl_info->cc_id,
dl_info->gNB_index,
dl_info->dci_ind->dci_list+i)<< FAPI_NR_DCI_IND);
dl_info->dci_ind->dci_list+i);
AssertFatal( nr_ue_if_module_inst[module_id] != NULL, "IF module is void!\n" );
nr_ue_if_module_inst[module_id]->scheduled_response(&mac->scheduled_response);
ret_mask |= (ret << FAPI_NR_DCI_IND);
if (ret >= 0) {
AssertFatal( nr_ue_if_module_inst[module_id] != NULL, "IF module is void!\n" );
nr_ue_if_module_inst[module_id]->scheduled_response(&mac->scheduled_response);
}
}
}