Added debug prints in ULSIM for PTRS RE calculations
- Added PTRS Symbols in a slot and Resource elements count in debug print
This commit is contained in:
Parminder Singh
+255
-240
@@ -56,7 +56,7 @@
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#include "openair2/LAYER2/NR_MAC_UE/mac_proto.h"
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#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
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#include "common/utils/threadPool/thread-pool.h"
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#include "PHY/NR_REFSIG/ptrs_nr.h"
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#define inMicroS(a) (((double)(a))/(cpu_freq_GHz*1000.0))
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#include "SIMULATION/LTE_PHY/common_sim.h"
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@@ -197,7 +197,10 @@ int main(int argc, char **argv)
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int ptrs_arg[2] = {-1,-1};// Invalid values
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/* DMRS TYPE = dmrs_arg[0], Add Pos = dmrs_arg[1] */
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int dmrs_arg[2] = {-1,-1};// Invalid values
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uint16_t ptrsSymPos = 0;
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uint16_t ptrsSymbPerSlot = 0;
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uint16_t ptrsRePerSymb = 0;
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UE_nr_rxtx_proc_t UE_proc;
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FILE *scg_fd=NULL;
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int file_offset = 0;
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@@ -210,294 +213,294 @@ int main(int argc, char **argv)
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int params_from_file = 0;
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if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == 0 ) {
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exit_fun("[NR_ULSIM] Error, configuration module init failed\n");
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}
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}
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//logInit();
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randominit(0);
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//logInit();
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randominit(0);
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/* initialize the sin table */
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InitSinLUT();
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InitSinLUT();
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while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:G:H:M:N:PR:S:T:U:L:")) != -1) {
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printf("handling optarg %c\n",c);
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switch (c) {
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while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:j:kl:m:n:p:r:s:y:z:F:G:H:M:N:PR:S:T:U:L:")) != -1) {
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printf("handling optarg %c\n",c);
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switch (c) {
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/*case 'd':
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frame_type = 1;
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break;*/
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/*case 'd':
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frame_type = 1;
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break;*/
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case 'a':
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start_symbol = atoi(optarg);
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AssertFatal(start_symbol >= 0 && start_symbol < 13,"start_symbol %d is not in 0..12\n",start_symbol);
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break;
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case 'a':
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start_symbol = atoi(optarg);
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AssertFatal(start_symbol >= 0 && start_symbol < 13,"start_symbol %d is not in 0..12\n",start_symbol);
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break;
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case 'b':
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nb_symb_sch = atoi(optarg);
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AssertFatal(nb_symb_sch > 0 && nb_symb_sch < 15,"start_symbol %d is not in 1..14\n",nb_symb_sch);
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break;
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case 'c':
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n_rnti = atoi(optarg);
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AssertFatal(n_rnti > 0 && n_rnti<=65535,"Illegal n_rnti %x\n",n_rnti);
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break;
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case 'b':
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nb_symb_sch = atoi(optarg);
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AssertFatal(nb_symb_sch > 0 && nb_symb_sch < 15,"start_symbol %d is not in 1..14\n",nb_symb_sch);
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break;
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case 'c':
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n_rnti = atoi(optarg);
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AssertFatal(n_rnti > 0 && n_rnti<=65535,"Illegal n_rnti %x\n",n_rnti);
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break;
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case 'd':
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delay = atoi(optarg);
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break;
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case 'd':
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delay = atoi(optarg);
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break;
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case 'e':
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msg3_flag = 1;
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break;
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case 'e':
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msg3_flag = 1;
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break;
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case 'f':
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scg_fd = fopen(optarg, "r");
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case 'f':
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scg_fd = fopen(optarg, "r");
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if (scg_fd == NULL) {
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printf("Error opening %s\n", optarg);
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exit(-1);
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}
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if (scg_fd == NULL) {
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printf("Error opening %s\n", optarg);
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exit(-1);
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}
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break;
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break;
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case 'g':
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switch ((char) *optarg) {
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case 'A':
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channel_model = SCM_A;
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break;
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case 'g':
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switch ((char) *optarg) {
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case 'A':
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channel_model = SCM_A;
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break;
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case 'B':
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channel_model = SCM_B;
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break;
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case 'B':
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channel_model = SCM_B;
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break;
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case 'C':
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channel_model = SCM_C;
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break;
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case 'C':
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channel_model = SCM_C;
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break;
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case 'D':
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channel_model = SCM_D;
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break;
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case 'D':
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channel_model = SCM_D;
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break;
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case 'E':
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channel_model = EPA;
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break;
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case 'E':
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channel_model = EPA;
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break;
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case 'F':
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channel_model = EVA;
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break;
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case 'F':
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channel_model = EVA;
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break;
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case 'G':
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channel_model = ETU;
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break;
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case 'G':
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channel_model = ETU;
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break;
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case 'H':
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channel_model = TDL_C;
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DS_TDL = .030; // 30 ns
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break;
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case 'H':
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channel_model = TDL_C;
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DS_TDL = .030; // 30 ns
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break;
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case 'I':
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channel_model = TDL_C;
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DS_TDL = .3; // 300ns
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break;
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case 'I':
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channel_model = TDL_C;
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DS_TDL = .3; // 300ns
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break;
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case 'J':
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channel_model=TDL_D;
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DS_TDL = .03;
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break;
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case 'J':
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channel_model=TDL_D;
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DS_TDL = .03;
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break;
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default:
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printf("Unsupported channel model!\n");
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exit(-1);
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}
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default:
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printf("Unsupported channel model!\n");
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exit(-1);
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}
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break;
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break;
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/*case 'i':
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interf1 = atoi(optarg);
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break;
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/*case 'i':
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interf1 = atoi(optarg);
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break;
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case 'j':
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interf2 = atoi(optarg);
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break;*/
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case 'j':
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interf2 = atoi(optarg);
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break;*/
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case 'k':
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printf("Setting threequarter_fs_flag\n");
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openair0_cfg[0].threequarter_fs= 1;
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break;
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case 'k':
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printf("Setting threequarter_fs_flag\n");
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openair0_cfg[0].threequarter_fs= 1;
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break;
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case 'l':
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nb_symb_sch = atoi(optarg);
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break;
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case 'l':
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nb_symb_sch = atoi(optarg);
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break;
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case 'm':
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Imcs = atoi(optarg);
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break;
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case 'm':
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Imcs = atoi(optarg);
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break;
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case 'n':
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n_trials = atoi(optarg);
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break;
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case 'n':
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n_trials = atoi(optarg);
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break;
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case 'p':
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extended_prefix_flag = 1;
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break;
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case 'p':
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extended_prefix_flag = 1;
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break;
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case 'r':
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nb_rb = atoi(optarg);
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break;
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case 'r':
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nb_rb = atoi(optarg);
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break;
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case 's':
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snr0 = atof(optarg);
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printf("Setting SNR0 to %f\n", snr0);
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break;
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case 's':
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snr0 = atof(optarg);
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printf("Setting SNR0 to %f\n", snr0);
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break;
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/*
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case 't':
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eff_tp_check = (float)atoi(optarg)/100;
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break;
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case 't':
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eff_tp_check = (float)atoi(optarg)/100;
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break;
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*/
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/*
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case 'r':
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ricean_factor = pow(10,-.1*atof(optarg));
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if (ricean_factor>1) {
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printf("Ricean factor must be between 0 and 1\n");
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exit(-1);
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}
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break;
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*/
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/*
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case 'r':
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ricean_factor = pow(10,-.1*atof(optarg));
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if (ricean_factor>1) {
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printf("Ricean factor must be between 0 and 1\n");
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exit(-1);
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}
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break;
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*/
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/*case 'x':
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transmission_mode = atoi(optarg);
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break;*/
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/*case 'x':
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transmission_mode = atoi(optarg);
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break;*/
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case 'y':
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n_tx = atoi(optarg);
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case 'y':
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n_tx = atoi(optarg);
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if ((n_tx == 0) || (n_tx > 2)) {
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printf("Unsupported number of tx antennas %d\n", n_tx);
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exit(-1);
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}
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if ((n_tx == 0) || (n_tx > 2)) {
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printf("Unsupported number of tx antennas %d\n", n_tx);
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exit(-1);
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}
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break;
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break;
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case 'z':
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n_rx = atoi(optarg);
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case 'z':
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n_rx = atoi(optarg);
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if ((n_rx == 0) || (n_rx > 2)) {
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printf("Unsupported number of rx antennas %d\n", n_rx);
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exit(-1);
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}
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if ((n_rx == 0) || (n_rx > 2)) {
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printf("Unsupported number of rx antennas %d\n", n_rx);
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exit(-1);
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}
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break;
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break;
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case 'F':
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input_fd = fopen(optarg, "r");
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case 'F':
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input_fd = fopen(optarg, "r");
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if (input_fd == NULL) {
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printf("Problem with filename %s\n", optarg);
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exit(-1);
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}
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if (input_fd == NULL) {
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printf("Problem with filename %s\n", optarg);
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exit(-1);
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}
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break;
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break;
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case 'G':
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file_offset = atoi(optarg);
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break;
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case 'G':
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file_offset = atoi(optarg);
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break;
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case 'H':
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slot = atoi(optarg);
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break;
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case 'H':
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slot = atoi(optarg);
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break;
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case 'M':
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// SSB_positions = atoi(optarg);
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break;
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case 'M':
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// SSB_positions = atoi(optarg);
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break;
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case 'N':
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// Nid_cell = atoi(optarg);
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break;
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case 'N':
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// Nid_cell = atoi(optarg);
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break;
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case 'R':
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N_RB_DL = atoi(optarg);
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N_RB_UL = N_RB_DL;
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break;
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case 'R':
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N_RB_DL = atoi(optarg);
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N_RB_UL = N_RB_DL;
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break;
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case 'S':
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snr1 = atof(optarg);
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snr1set = 1;
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printf("Setting SNR1 to %f\n", snr1);
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break;
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case 'S':
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snr1 = atof(optarg);
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snr1set = 1;
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printf("Setting SNR1 to %f\n", snr1);
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break;
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case 'P':
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print_perf=1;
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opp_enabled=1;
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break;
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case 'P':
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print_perf=1;
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opp_enabled=1;
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break;
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case 'L':
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loglvl = atoi(optarg);
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break;
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case 'L':
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loglvl = atoi(optarg);
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break;
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case 'T':
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enable_ptrs=1;
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for(i=0; i < atoi(optarg); i++){
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ptrs_arg[i] = atoi(argv[optind++]);
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}
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break;
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case 'T':
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enable_ptrs=1;
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for(i=0; i < atoi(optarg); i++){
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ptrs_arg[i] = atoi(argv[optind++]);
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}
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break;
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case 'U':
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modify_dmrs = 1;
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for(i=0; i < atoi(optarg); i++){
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dmrs_arg[i] = atoi(argv[optind++]);
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}
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break;
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case 'U':
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modify_dmrs = 1;
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for(i=0; i < atoi(optarg); i++){
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dmrs_arg[i] = atoi(argv[optind++]);
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}
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break;
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case 'Q':
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params_from_file = 1;
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break;
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case 'Q':
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params_from_file = 1;
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break;
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default:
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case 'h':
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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]);
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//printf("-d Use TDD\n");
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printf("-d Introduce delay in terms of number of samples\n");
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printf("-f Number of frames to simulate\n");
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printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
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printf("-h This message\n");
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//printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
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//printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
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printf("-s Starting SNR, runs from SNR0 to SNR0 + 10 dB if ending SNR isn't given\n");
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printf("-m MCS value\n");
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printf("-n Number of trials to simulate\n");
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printf("-p Use extended prefix mode\n");
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printf("-t Delay spread for multipath channel\n");
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//printf("-x Transmission mode (1,2,6 for the moment)\n");
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printf("-y Number of TX antennas used in eNB\n");
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printf("-z Number of RX antennas used in UE\n");
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printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
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//printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
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printf("-F Input filename (.txt format) for RX conformance testing\n");
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printf("-G Offset of samples to read from file (0 default)\n");
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printf("-M Multiple SSB positions in burst\n");
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printf("-N Nid_cell\n");
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printf("-O oversampling factor (1,2,4,8,16)\n");
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printf("-R N_RB_DL\n");
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printf("-t Acceptable effective throughput (in percentage)\n");
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printf("-S Ending SNR, runs from SNR0 to SNR1\n");
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printf("-P Print ULSCH performances\n");
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printf("-T Enable PTRS, arguments list L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 2 0 2 \n");
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printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:3}, e.g. -U 2 0 2 \n");
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printf("-Q If -F used, read parameters from file\n");
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exit(-1);
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break;
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default:
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case 'h':
|
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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]);
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//printf("-d Use TDD\n");
|
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printf("-d Introduce delay in terms of number of samples\n");
|
||||
printf("-f Number of frames to simulate\n");
|
||||
printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
|
||||
printf("-h This message\n");
|
||||
//printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
|
||||
//printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
|
||||
printf("-s Starting SNR, runs from SNR0 to SNR0 + 10 dB if ending SNR isn't given\n");
|
||||
printf("-m MCS value\n");
|
||||
printf("-n Number of trials to simulate\n");
|
||||
printf("-p Use extended prefix mode\n");
|
||||
printf("-t Delay spread for multipath channel\n");
|
||||
//printf("-x Transmission mode (1,2,6 for the moment)\n");
|
||||
printf("-y Number of TX antennas used in eNB\n");
|
||||
printf("-z Number of RX antennas used in UE\n");
|
||||
printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
|
||||
//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("-M Multiple SSB positions in burst\n");
|
||||
printf("-N Nid_cell\n");
|
||||
printf("-O oversampling factor (1,2,4,8,16)\n");
|
||||
printf("-R N_RB_DL\n");
|
||||
printf("-t Acceptable effective throughput (in percentage)\n");
|
||||
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
|
||||
printf("-P Print ULSCH performances\n");
|
||||
printf("-T Enable PTRS, arguments list L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 2 0 2 \n");
|
||||
printf("-U Change DMRS Config, arguments list DMRS TYPE{0=A,1=B} DMRS AddPos{0:3}, e.g. -U 2 0 2 \n");
|
||||
printf("-Q If -F used, read parameters from file\n");
|
||||
exit(-1);
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
logInit();
|
||||
set_glog(loglvl);
|
||||
T_stdout = 1;
|
||||
logInit();
|
||||
set_glog(loglvl);
|
||||
T_stdout = 1;
|
||||
|
||||
get_softmodem_params()->phy_test = 1;
|
||||
get_softmodem_params()->do_ra = 0;
|
||||
get_softmodem_params()->usim_test = 1;
|
||||
get_softmodem_params()->phy_test = 1;
|
||||
get_softmodem_params()->do_ra = 0;
|
||||
get_softmodem_params()->usim_test = 1;
|
||||
|
||||
|
||||
if (snr1set == 0)
|
||||
if (snr1set == 0)
|
||||
snr1 = snr0 + 10;
|
||||
double sampling_frequency;
|
||||
double bandwidth;
|
||||
@@ -1004,18 +1007,30 @@ int main(int argc, char **argv)
|
||||
multipath_tv_channel(UE2gNB,s_re,s_im,r_re,r_im,
|
||||
2*slot_length,0);
|
||||
}
|
||||
for (i=0; i<slot_length; i++) {
|
||||
for (ap=0; ap<frame_parms->nb_antennas_rx; ap++) {
|
||||
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((tx_gain*r_re[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point
|
||||
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((tx_gain*r_im[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0)));
|
||||
/* Add phase noise if enabled */
|
||||
if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
|
||||
phase_noise(ts, &((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(2*i)],
|
||||
&((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
for (i=0; i<slot_length; i++) {
|
||||
for (ap=0; ap<frame_parms->nb_antennas_rx; ap++) {
|
||||
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i) + (delay*2)] = (int16_t)((tx_gain*r_re[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0))); // convert to fixed point
|
||||
((int16_t*) &gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1 + (delay*2)] = (int16_t)((tx_gain*r_im[ap][i]) + (sqrt(sigma/2)*gaussdouble(0.0,1.0)));
|
||||
/* Add phase noise if enabled */
|
||||
if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
|
||||
phase_noise(ts, &((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(2*i)],
|
||||
&((int16_t*)&gNB->common_vars.rxdata[ap][slot_offset])[(2*i)+1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
if(pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS)
|
||||
{
|
||||
set_ptrs_symb_idx(&ptrsSymPos,
|
||||
pusch_pdu->nr_of_symbols,
|
||||
pusch_pdu->start_symbol_index,
|
||||
1<<ptrs_time_density,
|
||||
pusch_pdu->ul_dmrs_symb_pos);
|
||||
ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymPos, pusch_pdu->start_symbol_index, pusch_pdu->nr_of_symbols);
|
||||
ptrsRePerSymb = ((pusch_pdu->rb_size + ptrs_freq_density - 1)/ptrs_freq_density);
|
||||
printf("[ULSIM] PTRS Symbols in a slot: %2d, RE per Symbol: %3d, RE in a slot %4d\n", ptrsSymbPerSlot,ptrsRePerSymb, ptrsSymbPerSlot*ptrsRePerSymb );
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////
|
||||
@@ -1082,7 +1097,7 @@ int main(int argc, char **argv)
|
||||
}
|
||||
/* 2*5*(50/2), for RB = 50,K = 2 for 5 OFDM PTRS symbols */
|
||||
available_bits -= 2 * ptrs_symbols * ((nb_rb + ptrs_freq_density - 1) /ptrs_freq_density);
|
||||
printf("After PTRS subtraction available_bits are : %u \n", available_bits);
|
||||
printf("[ULSIM][PTRS] Available bits are: %5d, removed PTRS bits are: %5d \n",available_bits, (ptrsSymbPerSlot * ptrsRePerSymb * 2) );
|
||||
}
|
||||
|
||||
for (i = 0; i < available_bits; i++) {
|
||||
|
||||
Reference in New Issue
Block a user