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Fix PDCCH extract RBs

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This commit is contained in:
rmagueta
2021-01-23 15:54:16 +00:00
parent 70938bb907
commit e2df86be88
1 changed files with 5 additions and 5 deletions
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openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+5 -5
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@@ -386,14 +386,14 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
rxF=NULL;
// first we set initial conditions for pointer to rxdataF depending on the situation of the first RB within the CORESET (c_rb = n_BWP_start)
if ((c_rb < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
if (((c_rb + n_BWP_start) < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
//if RB to be treated is lower than middle system bandwidth then rxdataF pointed at (offset + c_br + symbol * ofdm_symbol_size): even case
rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];
LOG_DDD("in even case c_rb (%d) is lower than half N_RB_DL -> rxF = &rxdataF[aarx = (%d)][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))) = (%d)]\n",
c_rb,aarx,(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size))));
}
if ((c_rb >= (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
if (((c_rb + n_BWP_start) >= (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) == 0)) {
// number of RBs is even and c_rb is higher than half system bandwidth (we don't skip DC)
// if these conditions are true the pointer has to be situated at the 1st part of the rxdataF
rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12]; // we point at the 1st part of the rxdataF in symbol
@@ -406,7 +406,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
//#endif
}
if ((c_rb < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
if (((c_rb + n_BWP_start) < (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
//if RB to be treated is lower than middle system bandwidth then rxdataF pointed at (offset + c_br + symbol * ofdm_symbol_size): odd case
rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];
#ifdef NR_PDCCH_DCI_DEBUG
@@ -415,7 +415,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
#endif
}
if ((c_rb > (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
if (((c_rb + n_BWP_start) > (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) {
// number of RBs is odd and c_rb is higher than half system bandwidth + 1
// if these conditions are true the pointer has to be situated at the 1st part of the rxdataF just after the first IQ symbols of the RB containing DC
rxF = &rxdataF[aarx][(12*(c_rb - (frame_parms->N_RB_DL>>1)) - 6 + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12]; // we point at the 1st part of the rxdataF in symbol
@@ -425,7 +425,7 @@ void nr_pdcch_extract_rbs_single(int32_t **rxdataF,
#endif
}
if ((c_rb == (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) { // treatment of RB containing the DC
if (((c_rb + n_BWP_start) == (frame_parms->N_RB_DL >> 1)) && ((frame_parms->N_RB_DL & 1) != 0)) { // treatment of RB containing the DC
// if odd number RBs in system bandwidth and first RB to be treated is higher than middle system bandwidth (around DC)
// we have to treat the RB in two parts: first part from i=0 to 5, the data is at the end of rxdataF (pointing at the end of the table)
rxF = &rxdataF[aarx][(frame_parms->first_carrier_offset + 12 * c_rb + (symbol * (frame_parms->ofdm_symbol_size)))+n_BWP_start*12];