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cleaner faster nr_pdcch_demapping_deinterleaving() inner loop

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This commit is contained in:
Laurent THOMAS
2024-09-27 11:46:59 +02:00
parent ccdabb4c2c
commit 5a5063bddc
1 changed files with 5 additions and 24 deletions
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openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+5 -24
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@@ -170,35 +170,16 @@ static void nr_pdcch_demapping_deinterleaving(c16_t *llr,
}
int rb_count = 0;
int data_sc = 9; // 9 sub-carriers with data per PRB
const int data_sc = 9; // 9 sub-carriers with data per PRB
for (int c_id = 0; c_id < number_of_candidates; c_id++) {
for (int symbol_idx = start_symbol; symbol_idx < start_symbol + coreset_time_dur; symbol_idx++) {
for (int cce_count = 0; cce_count < L[c_id]; cce_count++) {
for (int k = 0; k < NR_NB_REG_PER_CCE / reg_bundle_size_L; k++) { // loop over REG bundles
int f = f_bundle_j_list_ord[c_id][k + NR_NB_REG_PER_CCE * cce_count / reg_bundle_size_L];
for (int rb = 0; rb < B_rb; rb++) { // loop over the RBs of the bundle
c16_t *out = e_rx + data_sc * rb_count;
c16_t *in = llr + (uint16_t)(f * B_rb + rb + symbol_idx * coreset_nbr_rb) * data_sc;
for (int i = 0; i < data_sc; i++) {
out[i] = in[i];
#ifdef NR_PDCCH_DCI_DEBUG
LOG_I(NR_PHY_DCI,
"[candidate=%d,symbol_idx=%d,cce=%d,REG bundle=%d,PRB=%d] z[%d]=(%d,%d) <-> \t llr[%d]=(%d,%d) \n",
c_id,
symbol_idx,
cce_count,
k,
f * B_rb + rb,
(index_z + i),
out->r,
out->i,
index_llr + i,
in.r,
in.i);
#endif
}
rb_count++;
}
c16_t *in = llr + (f * B_rb + symbol_idx * coreset_nbr_rb) * data_sc;
// loop over the RBs of the bundle
memcpy(e_rx + data_sc * rb_count, in, B_rb * data_sc * sizeof(*e_rx));
rb_count += B_rb;
}
}
}