maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'origin/NR_MAC_UE_rework_processing_DCI' into integration_2024_w14

Browse Source
This commit is contained in:
Jaroslava Fiedlerova
2024-04-04 16:39:37 +02:00
parent df86214067 aaddf3623c
commit 2ace33d289
8 changed files with 575 additions and 602 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+36 -47
View File
@@ -43,15 +43,6 @@
#include "assertions.h"
#include "T.h"
static const char nr_dci_format_string[8][30] = {"NR_DL_DCI_FORMAT_1_0",
"NR_DL_DCI_FORMAT_1_1",
"NR_DL_DCI_FORMAT_2_0",
"NR_DL_DCI_FORMAT_2_1",
"NR_DL_DCI_FORMAT_2_2",
"NR_DL_DCI_FORMAT_2_3",
"NR_UL_DCI_FORMAT_0_0",
"NR_UL_DCI_FORMAT_0_1"};
//#define DEBUG_DCI_DECODING 1
//#define NR_PDCCH_DCI_DEBUG // activates NR_PDCCH_DCI_DEBUG logs
@@ -699,24 +690,22 @@ static uint16_t nr_dci_false_detection(uint64_t *dci,
int rnti,
int8_t messageType,
uint16_t messageLength,
uint8_t aggregation_level
) {
uint8_t aggregation_level)
{
uint32_t encoder_output[NR_MAX_DCI_SIZE_DWORD];
polar_encoder_fast(dci, (void*)encoder_output, rnti, 1,
messageType, messageLength, aggregation_level);
polar_encoder_fast(dci, (void *)encoder_output, rnti, 1, messageType, messageLength, aggregation_level);
uint8_t *enout_p = (uint8_t*)encoder_output;
uint16_t x = 0;
for (int i=0; i<encoded_length/8; i++) {
x += ( enout_p[i] & 1 ) ^ ( ( soft_in[i*8] >> 15 ) & 1);
x += ( ( enout_p[i] >> 1 ) & 1 ) ^ ( ( soft_in[i*8+1] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 2 ) & 1 ) ^ ( ( soft_in[i*8+2] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 3 ) & 1 ) ^ ( ( soft_in[i*8+3] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 4 ) & 1 ) ^ ( ( soft_in[i*8+4] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 5 ) & 1 ) ^ ( ( soft_in[i*8+5] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 6 ) & 1 ) ^ ( ( soft_in[i*8+6] >> 15 ) & 1 );
x += ( ( enout_p[i] >> 7 ) & 1 ) ^ ( ( soft_in[i*8+7] >> 15 ) & 1 );
x += (enout_p[i] & 1) ^ ((soft_in[i * 8] >> 15) & 1);
x += ((enout_p[i] >> 1) & 1) ^ ((soft_in[i * 8 + 1] >> 15) & 1);
x += ((enout_p[i] >> 2) & 1) ^ ((soft_in[i * 8 + 2] >> 15) & 1);
x += ((enout_p[i] >> 3) & 1) ^ ((soft_in[i * 8 + 3] >> 15) & 1);
x += ((enout_p[i] >> 4) & 1) ^ ((soft_in[i * 8 + 4] >> 15) & 1);
x += ((enout_p[i] >> 5) & 1) ^ ((soft_in[i * 8 + 5] >> 15) & 1);
x += ((enout_p[i] >> 6) & 1) ^ ((soft_in[i * 8 + 6] >> 15) & 1);
x += ((enout_p[i] >> 7) & 1) ^ ((soft_in[i * 8 + 7] >> 15) & 1);
}
return x;
}
@@ -730,7 +719,7 @@ void nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
int e_rx_cand_idx = 0;
*dci_ind = (fapi_nr_dci_indication_t){.SFN = proc->frame_rx, .slot = proc->nr_slot_rx};
for (int j=0;j<rel15->number_of_candidates;j++) {
for (int j = 0; j < rel15->number_of_candidates; j++) {
int CCEind = rel15->CCE[j];
int L = rel15->L[j];
@@ -738,20 +727,20 @@ void nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
for (int k = 0; k < rel15->num_dci_options; k++) {
// skip this candidate if we've already found one with the
// same rnti and format at a different aggregation level
// same rnti and size at a different aggregation level
int dci_length = rel15->dci_length_options[k];
int ind;
for (ind = 0; ind < dci_ind->number_of_dcis; ind++) {
if (rel15->rnti == dci_ind->dci_list[ind].rnti && rel15->dci_format_options[k] == dci_ind->dci_list[ind].dci_format) {
if (rel15->rnti == dci_ind->dci_list[ind].rnti && dci_length == dci_ind->dci_list[ind].payloadSize) {
break;
}
}
if (ind < dci_ind->number_of_dcis)
continue;
int dci_length = rel15->dci_length_options[k];
uint64_t dci_estimation[2]= {0};
uint64_t dci_estimation[2] = {0};
LOG_D(NR_PHY_DCI,
"(%i.%i) Trying DCI candidate %d of %d number of candidates, CCE %d (%d), L %d, length %d, format %s\n",
"(%i.%i) Trying DCI candidate %d of %d number of candidates, CCE %d (%d), L %d, length %d, format %d\n",
proc->frame_rx,
proc->nr_slot_rx,
j,
@@ -760,31 +749,31 @@ void nr_dci_decoding_procedure(PHY_VARS_NR_UE *ue,
e_rx_cand_idx,
L,
dci_length,
nr_dci_format_string[rel15->dci_format_options[k]]);
rel15->dci_format_options[k]);
int16_t tmp_e[16 * 108];
nr_pdcch_unscrambling(&pdcch_e_rx[e_rx_cand_idx], rel15->coreset.scrambling_rnti, L*108, rel15->coreset.pdcch_dmrs_scrambling_id, tmp_e);
// this polar version decodes 64 bits max, dci_estimation[1] will never be filled
uint16_t crc = polar_decoder_int16(tmp_e,
dci_estimation,
1,
NR_POLAR_DCI_MESSAGE_TYPE, dci_length, L);
nr_pdcch_unscrambling(&pdcch_e_rx[e_rx_cand_idx],
rel15->coreset.scrambling_rnti,
L * 108,
rel15->coreset.pdcch_dmrs_scrambling_id,
tmp_e);
uint16_t crc = polar_decoder_int16(tmp_e, dci_estimation, 1, NR_POLAR_DCI_MESSAGE_TYPE, dci_length, L);
rnti_t n_rnti = rel15->rnti;
LOG_D(NR_PHY_DCI,
"(%i.%i) dci indication (rnti %x,dci format %s,n_CCE %d,payloadSize %d,payload %lx, is rnti: %d )\n",
proc->frame_rx,
proc->nr_slot_rx,
n_rnti,
nr_dci_format_string[rel15->dci_format_options[k]],
CCEind,
dci_length,
dci_estimation[0],
crc == n_rnti);
if (crc == n_rnti) {
uint16_t mb = nr_dci_false_detection(dci_estimation,tmp_e,L*108,n_rnti, NR_POLAR_DCI_MESSAGE_TYPE, dci_length, L);
LOG_D(NR_PHY_DCI,
"(%i.%i) Received dci indication (rnti %x,dci format %d,n_CCE %d,payloadSize %d,payload %llx)\n",
proc->frame_rx,
proc->nr_slot_rx,
n_rnti,
rel15->dci_format_options[k],
CCEind,
dci_length,
*(unsigned long long *)dci_estimation);
uint16_t mb = nr_dci_false_detection(dci_estimation, tmp_e, L * 108, n_rnti, NR_POLAR_DCI_MESSAGE_TYPE, dci_length, L);
ue->dci_thres = (ue->dci_thres + mb) / 2;
if (mb > (ue->dci_thres+30)) {
if (mb > (ue->dci_thres + 30)) {
LOG_W(NR_PHY_DCI,
"DCI false positive. Dropping DCI index %d. Mismatched bits: %d/%d. Current DCI threshold: %d\n",
j,