Merge branch 'NR_RRC_PRACH_procedures' into NR_RRC_harq

This commit is contained in:
Francesco Mani
2020-04-13 15:15:48 +02:00
158 changed files with 9465 additions and 4189 deletions
+19 -15
View File
@@ -137,6 +137,7 @@ void nr_pdcch_scrambling(uint32_t *in,
uint32_t x1, x2, s=0;
reset = 1;
x2 = (n_RNTI<<16) + Nid;
LOG_D(PHY,"PDCCH Scrambling x2 %x : n_RNTI %x\n",x2,n_RNTI);
for (int i=0; i<size; i++) {
if ((i&0x1f)==0) {
s = lte_gold_generic(&x1, &x2, reset);
@@ -154,7 +155,7 @@ void nr_pdcch_scrambling(uint32_t *in,
uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
nfapi_nr_ul_dci_request_pdus_t *ul_dci_pdu,
nfapi_nr_ul_dci_request_pdus_t *ul_dci_pdu,
uint32_t **gold_pdcch_dmrs,
int32_t *txdataF,
int16_t amp,
@@ -206,8 +207,8 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
AssertFatal(pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED,
"Interleaved CCE REG MAPPING not supported\n");
uint32_t dmrs_length = (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED)?
(n_rb*6) : (pdcch_pdu_rel15->AggregationLevel[d]*36/cset_nsymb); //2(QPSK)*3(per RB)*6(REG per CCE)
uint32_t encoded_length = pdcch_pdu_rel15->AggregationLevel[d]*108; //2(QPSK)*9(per RB)*6(REG per CCE)
(n_rb*6) : (pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]*36/cset_nsymb); //2(QPSK)*3(per RB)*6(REG per CCE)
uint32_t encoded_length = pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]*108; //2(QPSK)*9(per RB)*6(REG per CCE)
LOG_D(PHY, "DMRS length per symbol %d\t DCI encoded length %d (precoder_granularity %d,reg_mapping %d)\n", dmrs_length, encoded_length,pdcch_pdu_rel15->precoderGranularity,pdcch_pdu_rel15->CceRegMappingType);
dmrs_length += rb_offset*6; // To accommodate more DMRS symbols in case of rb offset
@@ -228,17 +229,20 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
/// DCI payload processing
// CRC attachment + Scrambling + Channel coding + Rate matching
uint32_t encoder_output[NR_MAX_DCI_SIZE_DWORD];
uint16_t n_RNTI = pdcch_pdu_rel15->RNTI[d];
uint16_t Nid = pdcch_pdu_rel15->ScramblingId[d];
uint16_t n_RNTI = pdcch_pdu_rel15->dci_pdu.RNTI[d];
uint16_t Nid = pdcch_pdu_rel15->dci_pdu.ScramblingId[d];
uint16_t scrambling_RNTI = pdcch_pdu_rel15->dci_pdu.ScramblingRNTI[d];
t_nrPolar_params *currentPtr = nr_polar_params(NR_POLAR_DCI_MESSAGE_TYPE,
pdcch_pdu_rel15->PayloadSizeBits[d],
pdcch_pdu_rel15->AggregationLevel[d],
pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d],
pdcch_pdu_rel15->dci_pdu.AggregationLevel[d],
0,NULL);
polar_encoder_fast((uint64_t*)pdcch_pdu_rel15->Payload[d], encoder_output, n_RNTI,1,currentPtr);
polar_encoder_fast((uint64_t*)pdcch_pdu_rel15->dci_pdu.Payload[d], encoder_output, n_RNTI,1,currentPtr);
#ifdef DEBUG_CHANNEL_CODING
printf("polar rnti %x,length %d, L %d\n",n_RNTI, pdcch_pdu_rel15->PayloadSizeBits[d],pdcch_pdu_rel15->AggregationLevel[d]);
printf("polar rnti %x,length %d, L %d\n",n_RNTI, pdcch_pdu_rel15->dci_pdu.PayloadSizeBits[d],pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]);
printf("DCI PDU: [0]->0x%lx \t [1]->0x%lx\n",
((uint64_t*)pdcch_pdu_rel15->Payload[d])[0], ((uint64_t*)pdcch_pdu_rel15->Payload[d])[1]);
((uint64_t*)pdcch_pdu_rel15->dci_pdu.Payload[d])[0], ((uint64_t*)pdcch_pdu_rel15->dci_pdu.Payload[d])[1]);
printf("Encoded Payload (length:%d dwords):\n", encoded_length>>5);
for (int i=0; i<encoded_length>>5; i++)
@@ -248,7 +252,7 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
#endif
/// Scrambling
uint32_t scrambled_output[NR_MAX_DCI_SIZE_DWORD]= {0};
nr_pdcch_scrambling(encoder_output, encoded_length, Nid, n_RNTI, scrambled_output);
nr_pdcch_scrambling(encoder_output, encoded_length, Nid, scrambling_RNTI, scrambled_output);
#ifdef DEBUG_CHANNEL_CODING
printf("scrambled output: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%08x\t [4]->0x%08x\t [5]->0x%08x\t \
[6]->0x%08x \t [7]->0x%08x \t [8]->0x%08x \t [9]->0x%08x\t [10]->0x%08x\t [11]->0x%08x\n",
@@ -271,8 +275,8 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
cset_start_sc -= frame_parms.ofdm_symbol_size;
/*Reorder REG list for a freq first mapping*/
uint8_t nb_regs = pdcch_pdu_rel15->AggregationLevel[d]*NR_NB_REG_PER_CCE;
uint8_t reg_idx0 = pdcch_pdu_rel15->CceIndex[d]*NR_NB_REG_PER_CCE;
uint8_t reg_idx0 = pdcch_pdu_rel15->dci_pdu.CceIndex[d]*NR_NB_REG_PER_CCE;
uint8_t nb_regs = pdcch_pdu_rel15->dci_pdu.AggregationLevel[d]*NR_NB_REG_PER_CCE;
/*Mapping the encoded DCI along with the DMRS */
for (int reg_idx=reg_idx0; reg_idx<(nb_regs+reg_idx0); reg_idx++) {
@@ -294,8 +298,8 @@ uint8_t nr_generate_dci_top(nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu,
for (int m=0; m<NR_NB_SC_PER_RB; m++) {
if ( m == (k_prime<<2)+1) { // DMRS if not already mapped
if (pdcch_pdu_rel15->CceRegMappingType == NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED) {
((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = (2*amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (2*amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = (amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_PDCCH_DMRS
printf("PDCCH DMRS: l %d position %d => (%d,%d)\n",l,k,((int16_t *)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1],
((int16_t *)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);