LDPC iterations as command line parameter

openair1/SIMULATION/NR_PHY/dlsim.c

@@ -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

@@ -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;