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making nr_ulsim working again with the FAPI

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This commit is contained in:
Florian Kaltenberger
2019-10-29 17:14:46 +01:00
parent 5465516fe0
commit da625f1397
10 changed files with 50 additions and 66 deletions
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executables/nr-ue.c
+1 -1
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@@ -380,7 +380,7 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
//--------------------------Temporary configuration-----------------------------//
n_rnti = 0x1234;
nb_rb = 50;
start_rb = 30;
start_rb = 0;
nb_symb_sch = 12;
start_symbol = 2;
precod_nbr_layers = 1;
openair1/PHY/INIT/nr_init.c
+5 -14
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@@ -484,29 +484,20 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
}
}
for (i=0; i<NUMBER_OF_NR_UE_MAX; i++) {
for (i=0; i<NUMBER_OF_NR_ULSCH_MAX; i++) {
LOG_I(PHY,"Allocating Transport Channel Buffer for ULSCH, UE %d\n",i);
for (j=0; j<2; j++) {
// ULSCH for RA
if(i==0) {
gNB->ulsch[i][j] = new_gNB_ulsch(MAX_LDPC_ITERATIONS, fp->N_RB_UL, 0);
if (!gNB->ulsch[i][j]) {
LOG_E(PHY,"Can't get gNB ulsch structures\n");
exit(-1);
}
}
// ULSCH for data
gNB->ulsch[i+1][j] = new_gNB_ulsch(MAX_LDPC_ITERATIONS, fp->N_RB_UL, 0);
gNB->ulsch[i][j] = new_gNB_ulsch(MAX_LDPC_ITERATIONS, fp->N_RB_UL, 0);
if (!gNB->ulsch[i+1][j]) {
if (!gNB->ulsch[i][j]) {
LOG_E(PHY,"Can't get gNB ulsch structures\n");
exit(-1);
}
/*
LOG_I(PHY,"Initializing nFAPI for ULSCH, UE %d\n",i);
// [hna] added here for RT implementation
uint8_t harq_pid = 0;
@@ -525,8 +516,8 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
rel15_ul->ulsch_pdu_rel15.rv = 0;
rel15_ul->ulsch_pdu_rel15.n_layers = 1;
///////////////////////////////////////////////////
*/
//////////////////////////////////////////////////////////////////////////
}
}
openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
+3 -3
View File
@@ -375,7 +375,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
#ifdef DEBUG_ULSCH_DECODING
printf("ulsch decoding nr segmentation Z %d\n", harq_process->Z);
if (!frame%100)
printf("K %d C %d Z %d nl %d \n", harq_process->K, harq_process->C, harq_process->Z, harq_process->Nl);
printf("K %d C %d Z %d F %d \n", harq_process->K, harq_process->C, harq_process->Z, harq_process->F);
#endif
}
@@ -591,13 +591,13 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
if (check_crc((uint8_t*)llrProcBuf,length_dec,harq_process->F,crc_type)) {
#ifdef PRINT_CRC_CHECK
if (prnt_crc_cnt % 10 == 0)
//if (prnt_crc_cnt % 10 == 0)
LOG_I(PHY, "Segment %d CRC OK\n",r);
#endif
ret = no_iteration_ldpc;
} else {
#ifdef PRINT_CRC_CHECK
if (prnt_crc_cnt%10 == 0)
//if (prnt_crc_cnt%10 == 0)
LOG_I(PHY, "CRC NOK\n");
#endif
ret = ulsch->max_ldpc_iterations + 1;
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+3 -1
View File
@@ -136,8 +136,10 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
// to be removed later when MAC is ready
if (harq_process_ul_ue != NULL){
for (i = 0; i < harq_process_ul_ue->TBS / 8; i++)
for (i = 0; i < harq_process_ul_ue->TBS / 8; i++) {
harq_process_ul_ue->a[i] = (unsigned char) rand();
//printf("input encoder a[%d]=0x%02x\n",i,harq_process_ul_ue->a[i]);
}
} else {
LOG_E(PHY, "[phy_procedures_nrUE_TX] harq_process_ul_ue is NULL !!\n");
return;
openair1/PHY/defs_gNB.h
+1 -6
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@@ -637,16 +637,11 @@ typedef struct PHY_VARS_gNB_s {
NR_gNB_PDCCH pdcch_vars;
NR_gNB_PBCH pbch;
// LTE_eNB_PHICH phich_vars[2];
NR_gNB_COMMON common_vars;
/* LTE_eNB_UCI uci_vars[NUMBER_OF_UE_MAX];
LTE_eNB_SRS srs_vars[NUMBER_OF_UE_MAX];
LTE_eNB_PRACH prach_vars;*/
NR_gNB_PUSCH *pusch_vars[NUMBER_OF_UE_MAX];
NR_gNB_DLSCH_t *dlsch[NUMBER_OF_NR_DLSCH_MAX][2]; // Nusers times two spatial streams
NR_gNB_ULSCH_t *ulsch[NUMBER_OF_NR_ULSCH_MAX+1][2]; // [Nusers times + number of RA][2 codewords], index 0 in [NUMBER_OF_UE_MAX+1] is for RA
// LTE_eNB_ULSCH_t *ulsch[NUMBER_OF_UE_MAX+1]; // Nusers + number of RA
NR_gNB_ULSCH_t *ulsch[NUMBER_OF_NR_ULSCH_MAX][2]; // [Nusers times][2 codewords]
NR_gNB_DLSCH_t *dlsch_SI,*dlsch_ra,*dlsch_p;
NR_gNB_DLSCH_t *dlsch_PCH;
/*
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+2
View File
@@ -372,6 +372,8 @@ void phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx)
for(uint8_t symbol = symbol_start; symbol < symbol_end; symbol++) {
nr_rx_pusch(gNB, UE_id, frame_rx, slot_rx, symbol, harq_pid);
}
//LOG_M("rxdataF_comp.m","rxF_comp",gNB->pusch_vars[UE_id]->rxdataF_comp[0],6900,1,1);
//LOG_M("rxdataF_ext.m","rxF_ext",gNB->pusch_vars[UE_id]->rxdataF_ext[0],6900,1,1);
nr_ulsch_procedures(gNB, frame_rx, slot_rx, UE_id, harq_pid);
nr_fill_rx_indication(gNB, frame_rx, slot_rx, UE_id, harq_pid); // indicate SDU to MAC
}
openair1/SIMULATION/NR_PHY/ulsim.c
+24 -34
View File
@@ -54,6 +54,7 @@
#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
#include "openair1/SIMULATION/NR_PHY/nr_dummy_functions.c"
#include "openair2/LAYER2/NR_MAC_UE/mac_proto.h"
#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
//#define DEBUG_ULSIM
@@ -96,7 +97,7 @@ int main(int argc, char **argv)
uint16_t N_RB_DL = 106, N_RB_UL = 106, mu = 1;
//unsigned char frame_type = 0;
int number_of_frames = 1;
int frame_length_complex_samples;
int frame_length_complex_samples, frame_length_complex_samples_no_prefix ;
NR_DL_FRAME_PARMS *frame_parms;
int loglvl = OAILOG_WARNING;
uint64_t SSB_positions=0x01;
@@ -126,7 +127,7 @@ int main(int argc, char **argv)
//logInit();
randominit(0);
while ((c = getopt(argc, argv, "d:f:g:h:i:j:l:m:n:p:r:s:y:z:F:M:N:P:R:S:")) != -1) {
while ((c = getopt(argc, argv, "d:f:g:h:i:j:l:m:n:p:r:s:y:z:F:M:N:P:R:S:L:")) != -1) {
switch (c) {
/*case 'd':
@@ -285,6 +286,10 @@ int main(int argc, char **argv)
printf("Setting SNR1 to %f\n", snr1);
break;
case 'L':
loglvl = atoi(optarg);
break;
default:
case 'h':
printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n", argv[0]);
@@ -355,7 +360,7 @@ int main(int argc, char **argv)
//init_eNB_afterRU();
frame_length_complex_samples = frame_parms->samples_per_subframe;
//frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
@@ -397,8 +402,9 @@ int main(int argc, char **argv)
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, precod_nbr_layers);
NR_gNB_ULSCH_t *ulsch_gNB = gNB->ulsch[UE_id+1][0];
nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &ulsch_gNB->harq_processes[harq_pid]->ulsch_pdu;
NR_gNB_ULSCH_t *ulsch_gNB = gNB->ulsch[UE_id][0];
//nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &ulsch_gNB->harq_processes[harq_pid]->ulsch_pdu;
nfapi_nr_ul_tti_request_t *UL_tti_req = &gNB->UL_tti_req;
NR_UE_ULSCH_t **ulsch_ue = UE->ulsch[0][0];
@@ -428,7 +434,8 @@ int main(int argc, char **argv)
UE_proc.nr_tti_tx = slot;
UE_proc.frame_tx = frame;
// --------- setting rel15_ul parameters for gNB --------
// --------- setting parameters for gNB --------
/*
rel15_ul->rnti = n_rnti;
rel15_ul->ulsch_pdu_rel15.start_rb = start_rb;
rel15_ul->ulsch_pdu_rel15.number_rbs = nb_rb;
@@ -442,8 +449,12 @@ int main(int argc, char **argv)
rel15_ul->ulsch_pdu_rel15.ndi = 0;
rel15_ul->ulsch_pdu_rel15.n_layers = precod_nbr_layers;
///////////////////////////////////////////////////
*/
//fapi_nr_tx_request_t tx_request;
nr_schedule_uss_ulsch_phytest(UL_tti_req,frame,slot);
// --------- setting parameters for UE --------
scheduled_response.module_id = 0;
scheduled_response.CC_id = 0;
@@ -477,6 +488,8 @@ int main(int argc, char **argv)
phy_procedures_nrUE_TX(UE, &UE_proc, gNB_id, 0);
//LOG_M("txsig0.m","txs0", UE->common_vars.txdata[0],frame_length_complex_samples,1,1);
///////////
////////////////////////////////////////////////////
tx_offset = slot*frame_parms->samples_per_slot;
@@ -514,6 +527,8 @@ int main(int argc, char **argv)
//----------------------------------------------------------
phy_procedures_gNB_common_RX(gNB, frame, slot);
//LOG_M("rxsigF0.m","rxsF0",gNB->common_vars.rxdataF[0],frame_length_complex_samples_no_prefix,1,1);
phy_procedures_gNB_uespec_RX(gNB, frame, slot);
////////////////////////////////////////////////////////////
@@ -539,7 +554,7 @@ int main(int argc, char **argv)
for (i = 0; i < TBS; i++) {
estimated_output_bit[i] = (ulsch_gNB->harq_processes[harq_pid]->b[i/8] & (1 << (i & 7))) >> (i & 7);
test_input_bit[i] = (ulsch_ue[0]->harq_processes[harq_pid]->b[i / 8] & (1 << (i & 7))) >> (i & 7);
test_input_bit[i] = (ulsch_ue[0]->harq_processes[harq_pid]->b[i/8] & (1 << (i & 7))) >> (i & 7);
if (estimated_output_bit[i] != test_input_bit[i]) {
if(errors_decoding == 0)
@@ -563,7 +578,7 @@ int main(int argc, char **argv)
break;
} // frame loop
if(is_frame_in_error == 0)
if(is_frame_in_error == 0 || number_of_frames==1)
break;
} // SNR loop
@@ -576,31 +591,6 @@ int main(int argc, char **argv)
printf("\n");
for (i = 0; i < 2; i++) {
printf("----------------------\n");
printf("freeing codeword %d\n", i);
printf("----------------------\n");
printf("gNB ulsch[0][%d]\n", i); // [hna] ulsch[0] is for RA
free_gNB_ulsch(gNB->ulsch[0][i]);
printf("gNB ulsch[%d][%d]\n",UE_id+1, i);
free_gNB_ulsch(gNB->ulsch[UE_id+1][i]); // "+1" because first element in ulsch is for RA
for (sf = 0; sf < 2; sf++) {
printf("UE ulsch[%d][0][%d]\n", sf, i);
if (UE->ulsch[sf][0][i])
free_nr_ue_ulsch(UE->ulsch[sf][0][i]);
}
printf("\n");
}
free(test_input_bit);
free(estimated_output_bit);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+1 -1
View File
@@ -374,7 +374,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
// Phytest scheduling
if (slot_rxP==2)
nr_schedule_uss_ulsch_phytest(module_idP, frame_rxP, slot_rxP);
nr_schedule_uss_ulsch_phytest(&RC.nrmac[module_idP]->UL_tti_req[0], frame_rxP, slot_rxP);
if (slot_txP==1)
nr_schedule_uss_dlsch_phytest(module_idP, frame_txP, slot_txP);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+6 -6
View File
@@ -313,19 +313,19 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
}
}
void nr_schedule_uss_ulsch_phytest(module_id_t module_idP,
void nr_schedule_uss_ulsch_phytest(nfapi_nr_ul_tti_request_t *UL_tti_req,
frame_t frameP,
sub_frame_t slotP)
{
gNB_MAC_INST *nr_mac = RC.nrmac[module_idP];
nfapi_nr_ul_tti_request_t *UL_tti_req;
//gNB_MAC_INST *nr_mac = RC.nrmac[module_idP];
//nfapi_nr_ul_tti_request_t *UL_tti_req;
uint16_t rnti = 0x1234;
for (uint8_t CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
LOG_D(MAC, "Scheduling UE specific PUSCH for CC_id %d\n",CC_id);
UL_tti_req = &nr_mac->UL_tti_req[CC_id];
//UL_tti_req = &nr_mac->UL_tti_req[CC_id];
UL_tti_req->sfn = frameP;
UL_tti_req->slot = slotP;
UL_tti_req->n_pdus = 1;
@@ -378,14 +378,14 @@ void nr_schedule_uss_ulsch_phytest(module_id_t module_idP,
//Pusch Allocation in frequency domain [TS38.214, sec 6.1.2.2]
pusch_pdu->resource_alloc = 1; //type 1
//pusch_pdu->rb_bitmap;// for ressource alloc type 0
pusch_pdu->rb_start = 30;
pusch_pdu->rb_start = 0;
pusch_pdu->rb_size = 50;
pusch_pdu->vrb_to_prb_mapping = 0;
pusch_pdu->frequency_hopping = 0;
//pusch_pdu->tx_direct_current_location;//The uplink Tx Direct Current location for the carrier. Only values in the value range of this field between 0 and 3299, which indicate the subcarrier index within the carrier corresponding 1o the numerology of the corresponding uplink BWP and value 3300, which indicates "Outside the carrier" and value 3301, which indicates "Undetermined position within the carrier" are used. [TS38.331, UplinkTxDirectCurrentBWP IE]
pusch_pdu->uplink_frequency_shift_7p5khz = 0;
//Resource Allocation in time domain
pusch_pdu->start_symbol_index = 1;
pusch_pdu->start_symbol_index = 2;
pusch_pdu->nr_of_symbols = 12;
//Optional Data only included if indicated in pduBitmap
pusch_pdu->pusch_data.rv_index = 0;
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+4
View File
@@ -78,6 +78,10 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
frame_t frameP,
sub_frame_t slotP);
void nr_schedule_uss_ulsch_phytest(nfapi_nr_ul_tti_request_t *UL_tti_req,
frame_t frameP,
sub_frame_t slotP);
void nr_configure_css_dci_initial(nfapi_nr_dl_config_pdcch_parameters_rel15_t* pdcch_params,
nr_scs_e scs_common,
nr_scs_e pdcch_scs,