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

dynamic selection of codewords for DL init

Browse Source
This commit is contained in:
francescomani
2022-02-16 11:18:15 +01:00
parent ebfea5a0c9
commit 83cd94cf6a
10 changed files with 33 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/INIT/nr_init.c
+3 -2
View File
@@ -146,11 +146,12 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
pdsch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
AssertFatal(pdsch_dmrs[slot]!=NULL, "NR init: pdsch_dmrs for slot %d - malloc failed\n", slot);
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
for (int symb=0; symb<fp->symbols_per_slot; symb++) {
pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(nb_codewords*sizeof(uint32_t *));
AssertFatal(pdsch_dmrs[slot][symb]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
for (int q=0; q<NR_MAX_NB_CODEWORDS; q++) {
for (int q=0; q<nb_codewords; q++) {
pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(pdsch_dmrs_init_length*sizeof(uint32_t));
AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
}
openair1/PHY/INIT/nr_init_ue.c
+6 -3
View File
@@ -296,11 +296,12 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
pdsch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
AssertFatal(pdsch_dmrs[slot]!=NULL, "NR init: pdsch_dmrs for slot %d - malloc failed\n", slot);
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
for (int symb=0; symb<fp->symbols_per_slot; symb++) {
pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(nb_codewords*sizeof(uint32_t *));
AssertFatal(pdsch_dmrs[slot][symb]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
for (int q=0; q<NR_MAX_NB_CODEWORDS; q++) {
for (int q=0; q<nb_codewords; q++) {
pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(pdsch_dmrs_init_length*sizeof(uint32_t));
AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
}
@@ -471,8 +472,10 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
void init_nr_ue_transport(PHY_VARS_NR_UE *ue,
int abstraction_flag) {
int num_codeword = NR_MAX_NB_LAYERS > 4? 2:1;
for (int i = 0; i < NUMBER_OF_CONNECTED_gNB_MAX; i++) {
for (int j=0; j<2; j++) {
for (int j=0; j<num_codeword; j++) {
for (int k=0; k<RX_NB_TH_MAX; k++) {
AssertFatal((ue->dlsch[k][i][j] = new_nr_ue_dlsch(1,NR_MAX_DLSCH_HARQ_PROCESSES,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL, abstraction_flag))!=NULL,"Can't get ue dlsch structures\n");
LOG_D(PHY,"dlsch[%d][%d][%d] => %p\n",k,i,j,ue->dlsch[k][i][j]);
openair1/PHY/NR_REFSIG/nr_gold.c
+5 -4
View File
@@ -82,11 +82,12 @@ void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid)
{
uint32_t x1, x2;
uint8_t reset, q;
uint8_t reset;
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
uint32_t ****pdsch_dmrs = gNB->nr_gold_pdsch_dmrs;
int pdsch_dmrs_init_length = ((fp->N_RB_DL*12)>>5)+1;
uint16_t N_n_scid[NR_MAX_NB_CODEWORDS]={Nid, Nid}; // Not correct, appropriate scrambling IDs have to be updated to support DCI 1_1
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
uint16_t N_n_scid[2]={Nid, Nid};
uint8_t n_scid=0; // again works only for 1_0
for (uint8_t slot=0; slot<fp->slots_per_frame; slot++) {
@@ -99,8 +100,8 @@ void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid)
reset = 0;
}
for (q = 1; q < NR_MAX_NB_CODEWORDS; q++)
memcpy(pdsch_dmrs[slot][symb][q],pdsch_dmrs[slot][symb][0],sizeof(uint32_t)*pdsch_dmrs_init_length);
if(nb_codewords>1)
memcpy(pdsch_dmrs[slot][symb][1],pdsch_dmrs[slot][symb][0],sizeof(uint32_t)*pdsch_dmrs_init_length);
}
}
}
openair1/PHY/NR_REFSIG/nr_gold_ue.c
+7 -8
View File
@@ -78,29 +78,28 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
unsigned short *n_idDMRS)
{
unsigned char l;
unsigned int n,x1,x2,x2tmp0,ns;
int nscid;
unsigned int x1,x2,x2tmp0;
unsigned int nid;
uint8_t reset;
int pdsch_dmrs_init_length = ((ue->frame_parms.N_RB_DL*12)>>5)+1;
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
/// to be updated from higher layer
//unsigned short lbar = 0;
for (nscid=0; nscid<2; nscid++) {
for (ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
for (int nscid=0; nscid<nb_codewords; nscid++) {
for (int ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
nid = n_idDMRS[nscid];
for (l=0; l<ue->frame_parms.symbols_per_slot; l++) {
for (int l=0; l<ue->frame_parms.symbols_per_slot; l++) {
reset = 1;
x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31); //cinit
LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid);
for (n=0; n<pdsch_dmrs_init_length; n++) {
for (int n=0; n<pdsch_dmrs_init_length; n++) {
ue->nr_gold_pdsch[0][ns][l][nscid][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+3 -1
View File
@@ -137,7 +137,9 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(NR_DL_FRAME_PARMS *frame_parms,
dlsch->txdataF[layer] = (int32_t *)malloc16((txdataf_size)*sizeof(int32_t));
}
for (int q=0; q<NR_MAX_NB_CODEWORDS; q++)
int nb_codewords = NR_MAX_NB_LAYERS > 4 ? 2 : 1;
dlsch->mod_symbs = (int32_t **)malloc16(nb_codewords*sizeof(int32_t *));
for (int q=0; q<nb_codewords; q++)
dlsch->mod_symbs[q] = (int32_t *)malloc16(txdataf_size*max_layers*sizeof(int32_t));
dlsch->calib_dl_ch_estimates = (int32_t **)malloc16(64*sizeof(int32_t *));
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+2 -1
View File
@@ -205,7 +205,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
pdsch_vars = ue->pdsch_vars[proc->thread_id];
dlsch = ue->dlsch[proc->thread_id][gNB_id];
dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
dlsch1_harq = dlsch[1]->harq_processes[harq_pid];
if (NR_MAX_NB_LAYERS>4)
dlsch1_harq = dlsch[1]->harq_processes[harq_pid];
beamforming_mode = ue->transmission_mode[gNB_id] < 7 ? 0 :ue->transmission_mode[gNB_id];
break;
openair1/PHY/defs_gNB.h
+1 -1
View File
@@ -159,7 +159,7 @@ typedef struct {
/// TX buffers for UE-spec transmission (antenna layers 1,...,4 after to precoding)
int32_t **txdataF;
/// Modulated symbols buffer
int32_t *mod_symbs[NR_MAX_NB_CODEWORDS];
int32_t **mod_symbs;
/// beamforming weights for UE-spec transmission (antenna ports 5 or 7..14), for each codeword, maximum 4 layers?
int32_t ***ue_spec_bf_weights;
/// dl channel estimates (estimated from ul channel estimates)
openair1/PHY/defs_nr_UE.h
+1 -1
View File
@@ -817,7 +817,7 @@ typedef struct {
NR_UE_PRACH *prach_vars[NUMBER_OF_CONNECTED_gNB_MAX];
NR_UE_PUSCH *pusch_vars[RX_NB_TH_MAX][NUMBER_OF_CONNECTED_gNB_MAX];
NR_UE_PUCCH *pucch_vars[RX_NB_TH_MAX][NUMBER_OF_CONNECTED_gNB_MAX];
NR_UE_DLSCH_t *dlsch[RX_NB_TH_MAX][NUMBER_OF_CONNECTED_gNB_MAX][NR_MAX_NB_CODEWORDS]; // two RxTx Threads
NR_UE_DLSCH_t *dlsch[RX_NB_TH_MAX][NUMBER_OF_CONNECTED_gNB_MAX][NR_MAX_NB_LAYERS>4 ? 2:1]; // two RxTx Threads
NR_UE_ULSCH_t *ulsch[RX_NB_TH_MAX][NUMBER_OF_CONNECTED_gNB_MAX];
NR_UE_DLSCH_t *dlsch_SI[NUMBER_OF_CONNECTED_gNB_MAX];
NR_UE_DLSCH_t *dlsch_ra[NUMBER_OF_CONNECTED_gNB_MAX];
openair1/PHY/defs_nr_common.h
-1
View File
@@ -79,7 +79,6 @@
#define NR_MAX_NB_RBG 18
#define NR_MAX_NB_LAYERS 4 // 8
#define NR_MAX_NB_CODEWORDS 2
#define NR_MAX_NB_HARQ_PROCESSES 16
#define NR_MAX_PDSCH_TBS 3824
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+5 -1
View File
@@ -1847,13 +1847,17 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
start_meas(&ue->dlsch_procedures_stat[proc->thread_id]);
NR_UE_DLSCH_t *dlsch1 = NULL;
if (NR_MAX_NB_LAYERS>4)
dlsch1 = ue->dlsch[proc->thread_id][gNB_id][1];
if (ret_pdsch >= 0)
nr_ue_dlsch_procedures(ue,
proc,
gNB_id,
PDSCH,
ue->dlsch[proc->thread_id][gNB_id][0],
ue->dlsch[proc->thread_id][gNB_id][1],
dlsch1,
&ue->dlsch_errors[gNB_id],
dlsch_parallel);