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made L1 DLSCH encoding stateless. harq_pid/round information are not kept in PHY. Full channel encoding is performed for each transmission of a transport block.

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Still to be done: test, then cleanup data structures and fix unitary simulations.
This commit is contained in:
Raymond Knopp
2021-02-07 10:39:39 +01:00
committed by Robert Schmidt
parent d7f46a2ff2
commit ee2ce7670d
4 changed files with 12 additions and 12 deletions
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openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
+2 -2
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@@ -246,10 +246,10 @@ void nr_fill_dci(PHY_VARS_gNB *gNB,
dlsch = gNB->dlsch[dlsch_id][0];
int num_slots_tdd = (gNB->frame_parms.slots_per_frame)>>(7-gNB->gNB_config.tdd_table.tdd_period.value);
int harq_pid = slot % num_slots_tdd;
int harq_pid = 0;//slot % num_slots_tdd;
dlsch->slot_tx[slot] = 1;
dlsch->harq_ids[frame%2][slot] = harq_pid;
dlsch->harq_ids[frame%2][slot] = 0;//harq_pid;
AssertFatal(harq_pid < 8 && harq_pid >= 0,
"illegal harq_pid %d\n",harq_pid);
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+1 -1
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@@ -136,7 +136,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
dlsch = gNB->dlsch[dlsch_id][0];
if (dlsch->slot_tx[slot] == 0) continue;
int harq_pid = dlsch->harq_ids[frame%2][slot];
int harq_pid = 0;//dlsch->harq_ids[frame%2][slot];
NR_DL_gNB_HARQ_t *harq = dlsch->harq_processes[harq_pid];
nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &harq->pdsch_pdu.pdsch_pdu_rel15;
uint32_t scrambled_output[NR_MAX_NB_CODEWORDS][NR_MAX_PDSCH_ENCODED_LENGTH>>5];
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+7 -7
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@@ -322,7 +322,7 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
unsigned int G;
unsigned int crc=1;
uint8_t harq_pid = dlsch->harq_ids[frame%2][slot];
uint8_t harq_pid = 0;//dlsch->harq_ids[frame%2][slot];
AssertFatal(harq_pid<8 && harq_pid>=0,"illegal harq_pid %d\b",harq_pid);
nfapi_nr_dl_tti_pdsch_pdu_rel15_t *rel15 = &dlsch->harq_processes[harq_pid]->pdsch_pdu.pdsch_pdu_rel15;
uint16_t nb_rb = rel15->rbSize;
@@ -347,8 +347,8 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
float Coderate = 0.0;
uint8_t Nl = 4;
dlsch->harq_processes[harq_pid]->round = nr_rv_round_map[rel15->rvIndex[0]];
dlsch->harq_processes[harq_pid]->round = 0;// regenerate all code segments every round. was nr_rv_round_map[rel15->rvIndex[0]];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_DLSCH_ENCODING, VCD_FUNCTION_IN);
A = rel15->TBSize[0]<<3;
@@ -367,20 +367,20 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
}
if (stats) {
stats->round_trials[dlsch->harq_processes[harq_pid]->round]++;
// stats->round_trials[dlsch->harq_processes[harq_pid]->round]++;
stats->rnti = dlsch->rnti;
if (dlsch->harq_processes[harq_pid]->round == 0){
//if (dlsch->harq_processes[harq_pid]->round == 0){
stats->total_bytes_tx += rel15->TBSize[0];
stats->current_RI = rel15->nrOfLayers;
stats->current_Qm = rel15->qamModOrder[0];
}
//}
}
G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,rel15->nrOfLayers);
LOG_D(PHY,"dlsch coding A %d G %d mod_order %d\n", A,G, mod_order);
// if (dlsch->harq_processes[harq_pid]->Ndi == 1) { // this is a new packet
if (dlsch->harq_processes[harq_pid]->round == 0) { // this is a new packet
if (1) { //dlsch->harq_processes[harq_pid]->round == 0) { // this is a new packet
#ifdef DEBUG_DLSCH_CODING
LOG_D(PHY,"encoding thinks this is a new packet \n");
#endif
openair1/PHY/NR_TRANSPORT/nr_dlsch_tools.c
+2 -2
View File
@@ -291,10 +291,10 @@ void nr_fill_dlsch(PHY_VARS_gNB *gNB,
NR_gNB_DLSCH_t *dlsch = gNB->dlsch[dlsch_id][0];
NR_DL_gNB_HARQ_t **harq = dlsch->harq_processes;
/// DLSCH struct
memcpy((void*)&harq[dlsch->harq_ids[frame%2][slot]]->pdsch_pdu, (void*)pdsch_pdu, sizeof(nfapi_nr_dl_tti_pdsch_pdu));
memcpy((void*)&harq[0/*dlsch->harq_ids[frame%2][slot]*/]->pdsch_pdu, (void*)pdsch_pdu, sizeof(nfapi_nr_dl_tti_pdsch_pdu));
gNB->num_pdsch_rnti[slot]++;
AssertFatal(sdu!=NULL,"sdu is null\n");
harq[dlsch->harq_ids[frame%2][slot]]->pdu = sdu;
harq[0/*dlsch->harq_ids[frame%2][slot]*/]->pdu = sdu;
}