* (particular case when the RB with DC as it is treated differently: it is situated in symbol borders of rxdataF)
* 2.1 The RB is < than the N_RB_DL/2 -> IQ symbols are in the second half of the rxdataF (from first_carrier_offset)
* 2.2 The RB is > than the N_RB_DL/2 -> IQ symbols are in the first half of the rxdataF (from element 0 + 2nd half RB containing DC)
* 2.3 The RB is == N_RB_DL/2 -> IQ symbols are in the upper border of the rxdataF for first 6 IQ element and the lower border of the rxdataF for the last 6 IQ elements
* If the first RB containing PDCCH within the UE BWP and within the CORESET is higher than half of the system bandwidth (N_RB_DL),
* then the IQ symbol is going to be found at the position 0+c_rb-N_RB_DL/2 in rxdataF and
* we have to point the pointer at (1+c_rb-N_RB_DL/2) in rxdataF
* 2.2 The RB is > than the N_RB_DL/2 -> IQ symbols are in the first half of the rxdataF (from element 0 + 2nd half RB
* containing DC) 2.3 The RB is == N_RB_DL/2 -> IQ symbols are in the upper border of the rxdataF for first 6 IQ
* element and the lower border of the rxdataF for the last 6 IQ elements If the first RB containing PDCCH within the UE BWP
* and within the CORESET is higher than half of the system bandwidth (N_RB_DL), then the IQ symbol is going to be found at
* the position 0+c_rb-N_RB_DL/2 in rxdataF and we have to point the pointer at (1+c_rb-N_RB_DL/2) in rxdataF
// 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=(int32_t*)&rxdataF[aarx][12*(c_rb+n_BWP_start-(frame_parms->N_RB_DL>>1))+symbol*frame_parms->ofdm_symbol_size];// we point at the 1st part of the rxdataF in symbol
LOG_DDD("in even case c_rb (%d) is higher than half N_RB_DL (not DC) -> rxF = &rxdataF[aarx = (%d)][12*(c_rb + n_BWP_start - (frame_parms->N_RB_DL>>1)) + symbol * frame_parms->ofdm_symbol_size = (%d)]\n",
// 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=(int32_t*)&rxdataF[aarx][12*(c_rb+n_BWP_start-(frame_parms->N_RB_DL>>1))-6+symbol*frame_parms->ofdm_symbol_size];// we point at the 1st part of the rxdataF in symbol
LOG_DDD("in odd case c_rb (%d) is higher than half N_RB_DL (not DC) -> rxF = &rxdataF[aarx = (%d)][12*(c_rb + n_BWP_start - (frame_parms->N_RB_DL>>1)) - 6 + symbol * frame_parms->ofdm_symbol_size = (%d)]\n",
LOG_D(PHY,"we enter nr_pdcch_channel_level(avgP=%d) => compute channel level based on ofdm symbol 0, pdcch_vars[eNB_id]->dl_ch_estimates_ext\n",*avgP);
break;// If DCI is found, no need to check for remaining DCI lengths
}
}else{
LOG_D(PHY,"(%i.%i) Decoded crc %x does not match rnti %x for DCI format %d\n",proc->frame_rx,proc->nr_slot_rx,crc,n_rnti,rel15->dci_format_options[k]);
LOG_D(NR_PHY_DCI,
"(%i.%i) Decoded crc %x does not match rnti %x for DCI format %d\n",
proc->frame_rx,
proc->nr_slot_rx,
crc,
n_rnti,
rel15->dci_format_options[k]);
}
}
e_rx_cand_idx+=9*L*6*2;//e_rx index for next candidate (L CCEs, 6 REGs per CCE and 9 REs per REG and 2 uint16_t per RE)
e_rx_cand_idx+=9*L*6;// e_rx index for next candidate (L CCEs, 6 REGs per CCE and 9 REs per REG )
