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srsRAN_4G
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Improved how data is displayed in pdsch_ue

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master
Xavier Arteaga 7 years ago
parent 409d81f43c
commit 2979833364
1 changed files with 55 additions and 39 deletions
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92
lib/examples/pdsch_ue.c
Unescape Escape View File

@ -304,6 +304,12 @@ prog_args_t prog_args;
uint32_t sfn = 0; // system frame number uint32_t sfn = 0; // system frame number
srslte_netsink_t net_sink, net_sink_signal; srslte_netsink_t net_sink, net_sink_signal;
/* Useful macros for printing lines which will disappear */
#define PRINT_LINE_INIT() int this_nof_lines = 0; static int prev_nof_lines = 0
#define PRINT_LINE(_fmt, ...) printf("\033[K" _fmt "\n", ##__VA_ARGS__); this_nof_lines++
#define PRINT_LINE_RESET_CURSOR() printf("\033[%dA", this_nof_lines); prev_nof_lines = this_nof_lines
#define PRINT_LINE_ADVANCE_CURSOR() printf("\033[%dB", prev_nof_lines + 1)
int main(int argc, char **argv) { int main(int argc, char **argv) {
int ret; int ret;
int decimate = 1; int decimate = 1;
@ -542,6 +548,7 @@ int main(int argc, char **argv) {
while (!go_exit && (sf_cnt < prog_args.nof_subframes || prog_args.nof_subframes == -1)) { while (!go_exit && (sf_cnt < prog_args.nof_subframes || prog_args.nof_subframes == -1)) {
bool acks [SRSLTE_MAX_CODEWORDS] = {false}; bool acks [SRSLTE_MAX_CODEWORDS] = {false};
char input[128]; char input[128];
PRINT_LINE_INIT();
fd_set set; fd_set set;
FD_ZERO(&set); FD_ZERO(&set);
@ -668,55 +675,64 @@ int main(int argc, char **argv) {
if (gain < 0) { if (gain < 0) {
gain = 10*log10(srslte_agc_get_gain(&ue_sync.agc)); gain = 10*log10(srslte_agc_get_gain(&ue_sync.agc));
} }
if (cell.nof_ports == 1) {
printf("CFO: %+6.2f kHz, "
"SNR: %4.1f dB, "
"PDCCH-Miss: %5.2f%%, PDSCH-BLER: %5.2f%%\r",
srslte_ue_sync_get_cfo(&ue_sync) / 1000, /* Print transmission scheme */
10 * log10(rsrp0 / noise), if (ue_dl.pdsch_cfg.mimo_type == SRSLTE_MIMO_TYPE_SPATIAL_MULTIPLEX) {
100 * (1 - (float) ue_dl.nof_detected / nof_trials), PRINT_LINE(" Tx scheme: %s (codebook_idx=%d)", srslte_mimotype2str(ue_dl.pdsch_cfg.mimo_type),
(float) 100 * ue_dl.pkt_errors / ue_dl.pkts_total); ue_dl.pdsch_cfg.codebook_idx);
} else { } else {
PRINT_LINE(" Tx scheme: %s", srslte_mimotype2str(ue_dl.pdsch_cfg.mimo_type));
}
/* Print basic Parameters */
PRINT_LINE(" nof layers: %d", ue_dl.pdsch_cfg.nof_layers);
PRINT_LINE("nof codewords: %d", ue_dl.pdsch_cfg.grant.nof_tb);
PRINT_LINE(" CFO: %+5.2f kHz", srslte_ue_sync_get_cfo(&ue_sync) / 1000);
PRINT_LINE(" SNR: %+5.1f dB | %+5.1f dB", 10 * log10(rsrp0 / noise), 10 * log10(rsrp1 / noise));
PRINT_LINE(" Rb: %6.2f / %6.2f Mbps (net/maximum)", uerate, enodebrate);
PRINT_LINE(" PDCCH-Miss: %5.2f%%", 100 * (1 - (float) ue_dl.nof_detected / nof_trials));
PRINT_LINE(" PDSCH-BLER: %5.2f%%", (float) 100 * ue_dl.pkt_errors / ue_dl.pkts_total);
PRINT_LINE(" TB 0: mcs=%d; tbs=%d", ue_dl.pdsch_cfg.grant.mcs[0].idx,
ue_dl.pdsch_cfg.grant.mcs[0].tbs);
PRINT_LINE(" TB 1: mcs=%d; tbs=%d", ue_dl.pdsch_cfg.grant.mcs[1].idx,
ue_dl.pdsch_cfg.grant.mcs[1].tbs);
/* MIMO: if tx and rx antennas are bigger than 1 */
if (cell.nof_ports > 1 && ue_dl.pdsch.nof_rx_antennas > 1) {
/* Compute condition number */ /* Compute condition number */
srslte_ue_dl_ri_select(&ue_dl, NULL, &cn); srslte_ue_dl_ri_select(&ue_dl, NULL, &cn);
/* Print condition number */
PRINT_LINE(" κ: %.1f dB (Condition number, 0 dB => Best)", cn);
}
PRINT_LINE("");
/* Spatial multiplex only */
if (ue_dl.pdsch_cfg.mimo_type == SRSLTE_MIMO_TYPE_SPATIAL_MULTIPLEX) {
/* Compute Rank Indicator (RI) and Precoding Matrix Indicator (PMI) */ /* Compute Rank Indicator (RI) and Precoding Matrix Indicator (PMI) */
srslte_ue_dl_ri_pmi_select(&ue_dl, &ri, &pmi, NULL); srslte_ue_dl_ri_pmi_select(&ue_dl, &ri, &pmi, NULL);
for (uint32_t nl = 0; nl < SRSLTE_MAX_LAYERS; nl++) { for (uint32_t nl = 0; nl < SRSLTE_MAX_LAYERS; nl++) {
for (uint32_t cb = 0; cb < SRSLTE_MAX_CODEBOOKS; cb ++) { for (uint32_t cb = 0; cb < SRSLTE_MAX_CODEBOOKS; cb++) {
sinr[nl][cb] = SRSLTE_VEC_EMA(ue_dl.sinr[nl][cb], sinr[nl][cb], 0.5f); sinr[nl][cb] = SRSLTE_VEC_EMA(ue_dl.sinr[nl][cb], sinr[nl][cb], 0.5f);
} }
} }
/* Print Results */ /* Print Multiplex stats */
if (ue_dl.pdsch_cfg.mimo_type == SRSLTE_MIMO_TYPE_SPATIAL_MULTIPLEX) { PRINT_LINE("SINR (dB) Vs RI and PMI:");
printf("\033[K Tx scheme: %s (codebook_idx=%d)\n", srslte_mimotype2str(ue_dl.pdsch_cfg.mimo_type), PRINT_LINE(" | RI | 1 | 2 |");
ue_dl.pdsch_cfg.codebook_idx); PRINT_LINE(" -------+-------+-------+");
} else { PRINT_LINE(" P | 0 | %5.2f%c| %5.2f%c|", 10 * log10(sinr[0][0]), (ri == 1 && pmi == 0) ? '*' : ' ',
printf("\033[K Tx scheme: %s\n", srslte_mimotype2str(ue_dl.pdsch_cfg.mimo_type)); 10 * log10(sinr[1][0]), (ri == 2 && pmi == 0) ? '*' : ' ');
} PRINT_LINE(" M | 1 | %5.2f%c| %5.2f%c|", 10 * log10(sinr[0][1]), (ri == 1 && pmi == 1) ? '*' : ' ',
printf("\033[K nof layers: %d \n", ue_dl.pdsch_cfg.nof_layers); 10 * log10(sinr[1][1]), (ri == 2 && pmi == 1) ? '*' : ' ');
printf("\033[Knof codewords: %d \n", ue_dl.pdsch_cfg.grant.nof_tb); PRINT_LINE(" I | 2 | %5.2f%c|-------+ ", 10 * log10(sinr[0][2]), (ri == 1 && pmi == 2) ? '*' : ' ');
printf("\033[K CFO: %+5.2f kHz\n", srslte_ue_sync_get_cfo(&ue_sync) / 1000); PRINT_LINE(" | 3 | %5.2f%c| ", 10 * log10(sinr[0][3]), (ri == 1 && pmi == 3) ? '*' : ' ');
printf("\033[K SNR: %+5.1f dB | %+5.1f dB\n", 10 * log10(rsrp0 / noise), 10 * log10(rsrp1 / noise)); PRINT_LINE("");
printf("\033[K Rb: %6.2f / %6.2f Mbps (net/maximum)\n", uerate, enodebrate);
printf("\033[K PDCCH-Miss: %5.2f%%\n", 100 * (1 - (float) ue_dl.nof_detected / nof_trials));
printf("\033[K PDSCH-BLER: %5.2f%%\n", (float) 100 * ue_dl.pkt_errors / ue_dl.pkts_total);
printf("\033[K TB 0: mcs=%d; tbs=%d\n", ue_dl.pdsch_cfg.grant.mcs[0].idx, ue_dl.pdsch_cfg.grant.mcs[0].tbs);
printf("\033[K TB 1: mcs=%d; tbs=%d\n", ue_dl.pdsch_cfg.grant.mcs[1].idx, ue_dl.pdsch_cfg.grant.mcs[1].tbs);
printf("\033[K κ: %.1f dB (Condition number, 0 dB => Best)\n", cn);
printf("\033[K\n");
printf("\033[KSINR (dB) Vs RI and PMI (for TM4, close loop MIMO only):\n");
printf("\033[K | RI | 1 | 2 |\n");
printf("\033[K -------+-------+-------+\n");
printf("\033[K P | 0 | %5.2f%c| %5.2f%c|\n", 10 * log10(sinr[0][0]), (ri == 1 && pmi == 0)?'*':' ', 10 * log10(sinr[1][0]), (ri == 2 && pmi == 0)?'*':' ');
printf("\033[K M | 1 | %5.2f%c| %5.2f%c|\n", 10 * log10(sinr[0][1]), (ri == 1 && pmi == 1)?'*':' ', 10 * log10(sinr[1][1]), (ri == 2 && pmi == 1)?'*':' ');
printf("\033[K I | 2 | %5.2f%c|-------+ \n", 10 * log10(sinr[0][2]), (ri == 1 && pmi == 2)?'*':' ');
printf("\033[K | 3 | %5.2f%c| \n", 10 * log10(sinr[0][3]), (ri == 1 && pmi == 3)?'*':' ');
printf("\033[K\nPress enter maximum printing debug log of 1 subframe.\n");
printf("\033[21A");
} }
PRINT_LINE("Press enter maximum printing debug log of 1 subframe.");
PRINT_LINE("");
PRINT_LINE_RESET_CURSOR();
} }
break; break;
} }
@ -724,7 +740,7 @@ int main(int argc, char **argv) {
sfn++; sfn++;
if (sfn == 1024) { if (sfn == 1024) {
sfn = 0; sfn = 0;
printf("\033[21B"); PRINT_LINE_ADVANCE_CURSOR();
ue_dl.pkt_errors = 0; ue_dl.pkt_errors = 0;
ue_dl.pkts_total = 0; ue_dl.pkts_total = 0;
ue_dl.nof_detected = 0; ue_dl.nof_detected = 0;
@ -756,7 +772,7 @@ int main(int argc, char **argv) {
sf_cnt++; sf_cnt++;
} // Main loop } // Main loop
printf("\033[21B\n"); printf("\033[30B\n");
#ifndef DISABLE_GRAPHICS #ifndef DISABLE_GRAPHICS
if (!prog_args.disable_plots) { if (!prog_args.disable_plots) {

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