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OpenXG-RAN
Commit 1d99c8e6 authored by Sakthivel Velumani's avatar Sakthivel Velumani
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LDPC iterations as command line parameter

parent b29f92c1
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Showing with 36 additions and 11 deletions
executables/nr-uesoftmodem.c
View file @ 1d99c8e6
......@@ -330,6 +330,7 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
LOG_I(PHY, "Set UE nb_rx_antenna %d, nb_tx_antenna %d, threequarter_fs %d, ssb_start_subcarrier %d\n", fp->nb_antennas_rx, fp->nb_antennas_tx, fp->threequarter_fs, fp->ssb_start_subcarrier);
fp->ofdm_offset_divisor = nrUE_params.ofdm_offset_divisor;
UE->max_ldpc_iterations = nrUE_params.max_ldpc_iterations;
}
......
executables/nr-uesoftmodem.h
View file @ 1d99c8e6
......@@ -7,10 +7,11 @@
#define CONFIG_HLP_IF_FREQ "IF frequency for RF, if needed"
#define CONFIG_HLP_IF_FREQ_OFF "UL IF frequency offset for RF, if needed"
#define CONFIG_HLP_IF_FREQ "IF frequency for RF, if needed\n"
#define CONFIG_HLP_IF_FREQ_OFF "UL IF frequency offset for RF, if needed\n"
#define CONFIG_HLP_DLSCH_PARA "number of threads for dlsch processing 0 for no parallelization\n"
#define CONFIG_HLP_OFFSET_DIV "Divisor for computing OFDM symbol offset in Rx chain (num samples in CP/<the value>). Default value is 8. To set the sample offset to 0, set this value ~ 10e6\n"
#define CONFIG_HLP_MAX_LDPC_ITERATIONS "Maximum LDPC decoder iterations\n"
/***************************************************************************************************************************************/
/* command line options definitions, CMDLINE_XXXX_DESC macros are used to initialize paramdef_t arrays which are then used as argument
when calling config_get or config_getlist functions */
......@@ -32,6 +33,7 @@
{"single-thread-disable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&single_thread_flag, defintval:1, TYPE_INT, 0}, \
{"dlsch-parallel", CONFIG_HLP_DLSCH_PARA, 0, iptr:(int32_t *)&nrUE_params.nr_dlsch_parallel, defintval:0, TYPE_UINT8, 0}, \
{"offset-divisor", CONFIG_HLP_OFFSET_DIV, 0, uptr:(uint32_t *)&nrUE_params.ofdm_offset_divisor, defuintval:UINT_MAX, TYPE_UINT32, 0}, \
{"max-ldpc-iterations", CONFIG_HLP_MAX_LDPC_ITERATIONS, 0, uptr:(uint32_t *)&nrUE_params.max_ldpc_iterations, defuintval:5, TYPE_UINT8, 0}, \
{"nr-dlsch-demod-shift", CONFIG_HLP_DLSHIFT, 0, iptr:(int32_t *)&nr_dlsch_demod_shift, defintval:0, TYPE_INT, 0}, \
{"V" , CONFIG_HLP_VCD, PARAMFLAG_BOOL, iptr:&vcdflag, defintval:0, TYPE_INT, 0}, \
{"uecap_file", CONFIG_HLP_UECAP_FILE, 0, strptr:(char **)&uecap_file, defstrval:"./uecap.xml", TYPE_STRING, 0}, \
......@@ -76,6 +78,7 @@ typedef struct {
uint64_t optmask; //mask to store boolean config options
uint32_t ofdm_offset_divisor; // Divisor for sample offset computation for each OFDM symbol
uint8_t nr_dlsch_parallel; // number of threads for dlsch decoding, 0 means no parallelization
uint8_t max_ldpc_iterations; // number of maximum LDPC iterations
tpool_t Tpool; // thread pool
} nrUE_params_t;
extern uint64_t get_nrUE_optmask(void);
......
openair1/PHY/CODING/coding_defs.h
View file @ 1d99c8e6
......@@ -38,7 +38,6 @@
#define MAX_TURBO_ITERATIONS_MBSFN 8
#define MAX_TURBO_ITERATIONS max_turbo_iterations
#define MAX_LDPC_ITERATIONS 5
#define MAX_LDPC_ITERATIONS_MBSFN 4
#define LTE_NULL 2
......
openair1/PHY/INIT/nr_init.c
View file @ 1d99c8e6
......@@ -1050,7 +1050,7 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
LOG_I(PHY,"Allocating Transport Channel Buffers for ULSCH %d/%d\n",i,gNB->number_of_nr_ulsch_max);
gNB->ulsch[i] = new_gNB_ulsch(MAX_LDPC_ITERATIONS, fp->N_RB_UL);
gNB->ulsch[i] = new_gNB_ulsch(gNB->max_ldpc_iterations, fp->N_RB_UL);
if (!gNB->ulsch[i]) {
LOG_E(PHY,"Can't get gNB ulsch structures\n");
......
openair1/PHY/INIT/nr_init_ue.c
View file @ 1d99c8e6
......@@ -577,7 +577,7 @@ void init_nr_ue_transport(PHY_VARS_NR_UE *ue) {
for (int i = 0; i < NUMBER_OF_CONNECTED_gNB_MAX; i++) {
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))!=NULL,"Can't get ue dlsch structures\n");
AssertFatal((ue->dlsch[k][i][j] = new_nr_ue_dlsch(1,NR_MAX_DLSCH_HARQ_PROCESSES,NSOFT,ue->max_ldpc_iterations,ue->frame_parms.N_RB_DL))!=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]);
if (j==0) {
AssertFatal((ue->ulsch[k][i] = new_nr_ue_ulsch(ue->frame_parms.N_RB_UL, NR_MAX_ULSCH_HARQ_PROCESSES,&ue->frame_parms))!=NULL,"Can't get ue ulsch structures\n");
......@@ -586,8 +586,8 @@ void init_nr_ue_transport(PHY_VARS_NR_UE *ue) {
}
}
ue->dlsch_SI[i] = new_nr_ue_dlsch(1,1,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL);
ue->dlsch_ra[i] = new_nr_ue_dlsch(1,1,NSOFT,MAX_LDPC_ITERATIONS,ue->frame_parms.N_RB_DL);
ue->dlsch_SI[i] = new_nr_ue_dlsch(1,1,NSOFT,ue->max_ldpc_iterations,ue->frame_parms.N_RB_DL);
ue->dlsch_ra[i] = new_nr_ue_dlsch(1,1,NSOFT,ue->max_ldpc_iterations,ue->frame_parms.N_RB_DL);
ue->transmission_mode[i] = ue->frame_parms.nb_antenna_ports_gNB==1 ? 1 : 2;
}
......
openair1/PHY/defs_gNB.h
View file @ 1d99c8e6
......@@ -826,7 +826,8 @@ typedef struct PHY_VARS_gNB_s {
int **dl_precoder_SgNB[3];
char log2_maxp; /// holds the maximum channel/precoder coefficient
int prb_interpolation;
int prb_interpolation;
int max_ldpc_iterations;
/// if ==0 enables phy only test mode
int mac_enabled;
......
openair1/PHY/defs_nr_UE.h
View file @ 1d99c8e6
......@@ -865,6 +865,8 @@ typedef struct {
/// N0 (used for abstraction)
double N0;
uint8_t max_ldpc_iterations;
/// PDSCH Varaibles
PDSCH_CONFIG_DEDICATED pdsch_config_dedicated[NUMBER_OF_CONNECTED_gNB_MAX];
......
openair1/SIMULATION/NR_PHY/dlsim.c
View file @ 1d99c8e6
......@@ -435,6 +435,7 @@ int main(int argc, char **argv)
uint8_t mcsIndex = 9;
uint8_t dlsch_threads = 0;
int prb_inter = 0;
uint8_t max_ldpc_iterations = 5;
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0) {
exit_fun("[NR_DLSIM] Error, configuration module init failed\n");
}
......@@ -636,6 +637,10 @@ int main(int argc, char **argv)
output_fd = fopen("txdata.dat", "w+");
break;
case 'Q':
max_ldpc_iterations = atoi(optarg);
break;
case 'T':
enable_ptrs=1;
for(i=0; i < atoi(optarg); i++) {
......@@ -688,6 +693,7 @@ int main(int argc, char **argv)
printf("-q MCS Table index\n");
printf("-t Acceptable effective throughput (in percentage)\n");
printf("-T Enable PTRS, arguments list L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 2 0 2 \n");
printf("-Q Maximum LDPC decoder iterations\n");
printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:2} DMRS ConfType{1:2}, e.g. -U 3 0 2 1 \n");
printf("-P Print DLSCH performances\n");
printf("-w Write txdata to binary file (one frame)\n");
......@@ -983,6 +989,7 @@ int main(int argc, char **argv)
UE->if_inst->dl_indication = nr_ue_dl_indication;
UE->if_inst->ul_indication = dummy_nr_ue_ul_indication;
UE->prb_interpolation = prb_inter;
UE->max_ldpc_iterations = max_ldpc_iterations;
UE_mac->if_module = nr_ue_if_module_init(0);
......
openair1/SIMULATION/NR_PHY/ulsim.c
View file @ 1d99c8e6
......@@ -337,6 +337,7 @@ int main(int argc, char **argv)
int ibwps=24;
int ibwp_rboffset=41;
int params_from_file = 0;
int max_ldpc_iterations = 5;
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0 ) {
exit_fun("[NR_ULSIM] Error, configuration module init failed\n");
}
......@@ -347,7 +348,7 @@ int main(int argc, char **argv)
/* initialize the sin-cos table */
InitSinLUT();
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:ikl:m:n:p:r:s:t:u:w:y:z:F:G:H:M:N:PR:S:T:U:L:Z:W:")) != -1) {
while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:ikl:m:n:p:r:s:t:u:w:y:z:B:F:G:H:I:M:N:PR:S:T:U:L:Z:W:")) != -1) {
printf("handling optarg %c\n",c);
switch (c) {
......@@ -539,6 +540,10 @@ int main(int argc, char **argv)
slot = atoi(optarg);
break;
case 'I':
max_ldpc_iterations = atoi(optarg);
break;
case 'M':
// SSB_positions = atoi(optarg);
break;
......@@ -617,7 +622,8 @@ int main(int argc, char **argv)
//printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
printf("-F Input filename (.txt format) for RX conformance testing\n");
printf("-G Offset of samples to read from file (0 default)\n");
printf("-L <log level, 0(errors), 1(warning), 2(info) 3(debug) 4 (trace)>\n");
printf("-L <log level, 0(errors), 1(warning), 2(info) 3(debug) 4 (trace)>\n");
printf("-I Maximum LDPC decoder iterations\n");
printf("-M Multiple SSB positions in burst\n");
printf("-N Nid_cell\n");
printf("-O oversampling factor (1,2,4,8,16)\n");
......@@ -722,6 +728,7 @@ int main(int argc, char **argv)
gNB->UL_INFO.rx_ind.number_of_pdus = 0;
gNB->UL_INFO.crc_ind.number_crcs = 0;
gNB->prb_interpolation = prb_inter;
gNB->max_ldpc_iterations = max_ldpc_iterations;
frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
frame_parms->N_RB_DL = N_RB_DL;
......
openair2/GNB_APP/L1_nr_paramdef.h
View file @ 1d99c8e6
......@@ -51,6 +51,7 @@
#define CONFIG_STRING_L1_PUCCH0_DTX_THRESHOLD "pucch0_dtx_threshold"
#define CONFIG_STRING_L1_PRACH_DTX_THRESHOLD "prach_dtx_threshold"
#define CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD "pusch_dtx_threshold"
#define CONFIG_STRING_L1_MAX_LDPC_ITERATIONS "max_ldpc_iterations"
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
/* L1 configuration parameters */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
......@@ -69,7 +70,8 @@
{CONFIG_STRING_L1_OFDM_OFFSET_DIVISOR, NULL, 0, uptr:NULL, defuintval:8, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PUCCH0_DTX_THRESHOLD, NULL, 0, uptr:NULL, defintval:100, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PRACH_DTX_THRESHOLD, NULL, 0, uptr:NULL, defintval:150, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD, NULL, 0, uptr:NULL, defintval:50, TYPE_UINT, 0} \
{CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD, NULL, 0, uptr:NULL, defintval:50, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, uptr:NULL, defintval:5, TYPE_UINT, 0}, \
}
#define L1_CC_IDX 0
#define L1_TRANSPORT_N_PREFERENCE_IDX 1
......@@ -85,6 +87,7 @@
#define L1_PUCCH0_DTX_THRESHOLD 11
#define L1_PRACH_DTX_THRESHOLD 12
#define L1_PUSCH_DTX_THRESHOLD 13
#define L1_MAX_LDPC_ITERATIONS 14
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/GNB_APP/gnb_config.c
View file @ 1d99c8e6
......@@ -727,6 +727,7 @@ void RCconfig_NR_L1(void) {
RC.gNB[j]->pucch0_thres = *(L1_ParamList.paramarray[j][L1_PUCCH0_DTX_THRESHOLD].uptr);
RC.gNB[j]->prach_thres = *(L1_ParamList.paramarray[j][L1_PRACH_DTX_THRESHOLD].uptr);
RC.gNB[j]->pusch_thres = *(L1_ParamList.paramarray[j][L1_PUSCH_DTX_THRESHOLD].uptr);
RC.gNB[j]->max_ldpc_iterations = *(L1_ParamList.paramarray[j][L1_MAX_LDPC_ITERATIONS].uptr);
RC.gNB[j]->num_ulprbbl = num_prbbl;
RC.gNB[j]->ap_N1 = N1;
RC.gNB[j]->ap_N2 = N2;
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
View file @ 1d99c8e6
......@@ -194,6 +194,7 @@ L1s = (
num_cc = 1;
tr_n_preference = "local_mac";
thread_pool_size = 8;
max_ldpc_iterations = 5;
ofdm_offset_divisor = 8; #set this to UINT_MAX for offset 0
}
);
......
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