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Fixes for reception of Msg2:

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- ceiling computation num of segments (cod/dec)
- fixes demodulation
- initialisation CW for PDSCH RA
- memcpy dl_ch_estimates to pdsch_vars_ra (hotfix)
- correct N_RB for DCI 1_0 and RNTI_RA
This commit is contained in:
cig
2020-07-02 12:32:33 +02:00
parent 79a655d47e
commit 8e271ce945
4 changed files with 35 additions and 23 deletions
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openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+1 -1
View File
@@ -150,7 +150,7 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(NR_DL_FRAME_PARMS *frame_parms,
if (N_RB != 273) {
a_segments = a_segments*N_RB;
a_segments = a_segments/273;
a_segments = (a_segments + 272) / 273;
}
uint16_t dlsch_bytes = a_segments*1056; // allocated bytes per segment
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+1 -1
View File
@@ -406,7 +406,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
if (nb_rb != 273) {
a_segments = a_segments*nb_rb;
a_segments = a_segments/273;
a_segments = (a_segments + 272) / 273;
}
if (harq_process->C > a_segments) {
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+30 -19
View File
@@ -134,7 +134,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
int avgs = 0;// rb;
NR_DL_UE_HARQ_t *dlsch0_harq, *dlsch1_harq = NULL;
uint8_t beamforming_mode;
uint8_t beamforming_mode = 0;
int32_t **rxdataF_comp_ptr;
int32_t **dl_ch_mag_ptr;
@@ -162,24 +162,34 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
pdsch_vars = ue->pdsch_vars_SI;
dlsch = &ue->dlsch_SI[eNB_id];
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
beamforming_mode = 0;
break;
case RA_PDSCH:
pdsch_vars = ue->pdsch_vars_ra;
dlsch = &ue->dlsch_ra[eNB_id];
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
beamforming_mode = 0;
// WIP TBR Hotfix
memcpy((void*)&pdsch_vars[eNB_id]->dl_ch_estimates[0][ue->frame_parms.ofdm_symbol_size*2], (void*)&ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_estimates[0][ue->frame_parms.ofdm_symbol_size*2], ue->frame_parms.ofdm_symbol_size*sizeof(int32_t));
break;
case PDSCH:
pdsch_vars = ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]];
dlsch = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id];
beamforming_mode = ue->transmission_mode[eNB_id] < 7 ? 0 :ue->transmission_mode[eNB_id];
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
dlsch1_harq = dlsch[1]->harq_processes[harq_pid];
beamforming_mode = ue->transmission_mode[eNB_id] < 7 ? 0 :ue->transmission_mode[eNB_id];
break;
default:
AssertFatal(1 == 0, "[UE][FATAL] nr_tti_rx %d: Unknown PDSCH format %d\n", nr_tti_rx, type);
return(-1);
break;
}
if (dlsch1_harq){
//printf("status TB0 = %d, status TB1 = %d \n", dlsch[0]->harq_processes[harq_pid]->status, dlsch[1]->harq_processes[harq_pid]->status);
LOG_D(PHY,"AbsSubframe %d.%d / Sym %d harq_pid %d, harq status %d.%d \n", frame, nr_tti_rx, symbol, harq_pid, dlsch0_harq->status, dlsch1_harq->status);
@@ -191,27 +201,25 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dlsch1_harq = dlsch[codeword_TB1]->harq_processes[harq_pid];
#ifdef DEBUG_HARQ
printf("[DEMOD] I am assuming both TBs are active\n");
printf("[DEMOD] I am assuming both TBs are active, in cw0 %d and cw1 %d \n", codeword_TB0, codeword_TB1);
#endif
} else if ((dlsch0_harq->status == ACTIVE) && (dlsch1_harq->status != ACTIVE) ) {
codeword_TB0 = dlsch0_harq->codeword;
codeword_TB1 = -1;
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
dlsch0_harq = dlsch[codeword_TB0]->harq_processes[harq_pid];
dlsch1_harq = NULL;
#ifdef DEBUG_HARQ
printf("[DEMOD] I am assuming only TB0 is active\n");
printf("[DEMOD] I am assuming only TB0 is active, in cw %d \n", codeword_TB0);
#endif
} else if ((dlsch0_harq->status != ACTIVE) && (dlsch1_harq->status == ACTIVE)){
codeword_TB0 = -1;
codeword_TB1 = dlsch1_harq->codeword;
dlsch0_harq = NULL;
dlsch1_harq = dlsch[1]->harq_processes[codeword_TB1];
dlsch1_harq = dlsch[codeword_TB1]->harq_processes[harq_pid];
#ifdef DEBUG_HARQ
printf("[DEMOD] I am assuming only TB1 is active, it is in cw %d\n", dlsch1_harq->codeword);
printf("[DEMOD] I am assuming only TB1 is active, it is in cw %d\n", codeword_TB1);
#endif
AssertFatal(1 == 0, "[UE][FATAL] DLSCH: TB0 not active and TB1 active case is not supported\n");
@@ -220,14 +228,17 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
LOG_E(PHY,"[UE][FATAL] nr_tti_rx %d: no active DLSCH\n", nr_tti_rx);
return(-1);
}
} else if (dlsch0_harq) {
if (dlsch0_harq->status == ACTIVE)
codeword_TB0 = dlsch0_harq->codeword;
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
break;
default:
AssertFatal(1 == 0, "[UE][FATAL] nr_tti_rx %d: Unknown PDSCH format %d\n", nr_tti_rx, type);
return(-1);
break;
#ifdef DEBUG_HARQ
printf("[DEMOD] I am assuming only TB0 is active\n");
#endif
} else {
LOG_E(PHY,"[UE][FATAL] nr_tti_rx %d: no active DLSCH\n", nr_tti_rx);
return (-1);
}
if (dlsch0_harq == NULL)
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+3 -2
View File
@@ -2312,7 +2312,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, nr
AssertFatal(mac->DLbwp[0]!=NULL,"DLbwp[0] should not be zero here!\n");
AssertFatal(mac->ULbwp[0]!=NULL,"DLbwp[0] should not be zero here!\n");
const uint16_t n_RB_DLBWP = NRRIV2BW(mac->DLbwp[0]->bwp_Common->genericParameters.locationAndBandwidth,275);
const uint16_t n_RB_DLBWP = (mac->ra_state == WAIT_RAR) ? NRRIV2BW(mac->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, 275) : NRRIV2BW(mac->DLbwp[0]->bwp_Common->genericParameters.locationAndBandwidth,275);
const uint16_t n_RB_ULBWP = NRRIV2BW(mac->ULbwp[0]->bwp_Common->genericParameters.locationAndBandwidth,275);
LOG_D(MAC,"nr_ue_process_dci at MAC layer with dci_format=%d (DL BWP %d, UL BWP %d)\n",dci_format,n_RB_DLBWP,n_RB_ULBWP);
@@ -2767,7 +2767,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, nr
/* HARQ_PROCESS_NUMBER (only if CRC scrambled by C-RNTI or CS-RNTI or new-RNTI or TC-RNTI)*/
dlsch_config_pdu_1_0->harq_process_nbr = dci->harq_process_number;
/* DAI (only if CRC scrambled by C-RNTI or CS-RNTI or new-RNTI or TC-RNTI)*/
dlsch_config_pdu_1_0->dai = dci ->dai;
dlsch_config_pdu_1_0->dai = dci->dai;
/* TB_SCALING (only if CRC scrambled by P-RNTI or RA-RNTI) */
// according to TS 38.214 Table 5.1.3.2-3
if (dci->tb_scaling == 0) dlsch_config_pdu_1_0->scaling_factor_S = 1;
@@ -3129,6 +3129,7 @@ void nr_extract_dci_info(NR_UE_MAC_INST_t *mac,
case NR_DL_DCI_FORMAT_1_0:
switch(rnti_type) {
case NR_RNTI_RA:
N_RB = NRRIV2BW(mac->scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth, 275); // TBR hotfix
// Freq domain assignment
fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
pos=fsize;