mirror of https://github.com/PentHertz/srsLTE.git
Added nof_frames to pbch_file_test
This commit is contained in:
ismagom
parent
37e386d6d5
commit
40c7db7009
|
|
@ -34,9 +34,6 @@
|
|||
#include "liblte/phy/phy.h"
|
||||
|
||||
char *input_file_name = NULL;
|
||||
char *matlab_file_name = NULL;
|
||||
|
||||
FILE *fmatlab = NULL;
|
||||
|
||||
lte_cell_t cell = {
|
||||
6, // nof_prb
|
||||
|
|
@ -47,9 +44,11 @@ lte_cell_t cell = {
|
|||
PHICH_NORM // PHICH length
|
||||
};
|
||||
|
||||
int nof_frames = 1;
|
||||
|
||||
uint8_t bch_payload_file[BCH_PAYLOAD_LEN] = {0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
|
||||
|
||||
#define FLEN 9600
|
||||
#define FLEN (10*SF_LEN(lte_symbol_sz(cell.nof_prb)))
|
||||
|
||||
filesource_t fsrc;
|
||||
cf_t *input_buffer, *fft_buffer, *ce[MAX_PORTS];
|
||||
|
|
@ -59,17 +58,17 @@ chest_dl_t chest;
|
|||
|
||||
void usage(char *prog) {
|
||||
printf("Usage: %s [vcoe] -i input_file\n", prog);
|
||||
printf("\t-o output matlab file name [Default Disabled]\n");
|
||||
printf("\t-c cell_id [Default %d]\n", cell.id);
|
||||
printf("\t-n nof_prb [Default %d]\n", cell.nof_prb);
|
||||
printf("\t-p nof_prb [Default %d]\n", cell.nof_prb);
|
||||
printf("\t-e Set extended prefix [Default Normal]\n");
|
||||
printf("\t-n nof_frames [Default %d]\n", nof_frames);
|
||||
printf("\t-v [set verbose to debug, default none]\n");
|
||||
}
|
||||
|
||||
void parse_args(int argc, char **argv) {
|
||||
int opt;
|
||||
|
||||
while ((opt = getopt(argc, argv, "iovce")) != -1) {
|
||||
while ((opt = getopt(argc, argv, "ivcpne")) != -1) {
|
||||
switch(opt) {
|
||||
case 'i':
|
||||
input_file_name = argv[optind];
|
||||
|
|
@ -77,8 +76,11 @@ void parse_args(int argc, char **argv) {
|
|||
case 'c':
|
||||
cell.id = atoi(argv[optind]);
|
||||
break;
|
||||
case 'o':
|
||||
matlab_file_name = argv[optind];
|
||||
case 'p':
|
||||
cell.nof_prb = atoi(argv[optind]);
|
||||
break;
|
||||
case 'n':
|
||||
nof_frames = atoi(argv[optind]);
|
||||
break;
|
||||
case 'v':
|
||||
verbose++;
|
||||
|
|
@ -105,16 +107,6 @@ int base_init() {
|
|||
exit(-1);
|
||||
}
|
||||
|
||||
if (matlab_file_name) {
|
||||
fmatlab = fopen(matlab_file_name, "w");
|
||||
if (!fmatlab) {
|
||||
perror("fopen");
|
||||
return -1;
|
||||
}
|
||||
} else {
|
||||
fmatlab = NULL;
|
||||
}
|
||||
|
||||
input_buffer = malloc(FLEN * sizeof(cf_t));
|
||||
if (!input_buffer) {
|
||||
perror("malloc");
|
||||
|
|
@ -163,9 +155,6 @@ void base_free() {
|
|||
int i;
|
||||
|
||||
filesource_free(&fsrc);
|
||||
if (fmatlab) {
|
||||
fclose(fmatlab);
|
||||
}
|
||||
|
||||
free(input_buffer);
|
||||
free(fft_buffer);
|
||||
|
|
@ -198,47 +187,59 @@ int main(int argc, char **argv) {
|
|||
exit(-1);
|
||||
}
|
||||
|
||||
n = filesource_read(&fsrc, input_buffer, FLEN);
|
||||
int frame_cnt = 0;
|
||||
int nof_decoded_mibs = 0;
|
||||
int nread = 0;
|
||||
do {
|
||||
nread = filesource_read(&fsrc, input_buffer, FLEN);
|
||||
|
||||
lte_fft_run_sf(&fft, input_buffer, fft_buffer);
|
||||
if (nread > 0) {
|
||||
// process 1st subframe only
|
||||
lte_fft_run_sf(&fft, input_buffer, fft_buffer);
|
||||
|
||||
if (fmatlab) {
|
||||
fprintf(fmatlab, "outfft=");
|
||||
vec_sc_prod_cfc(fft_buffer, 1000.0, fft_buffer, CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB);
|
||||
vec_fprint_c(fmatlab, fft_buffer, CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB);
|
||||
fprintf(fmatlab, ";\n");
|
||||
vec_sc_prod_cfc(fft_buffer, 0.001, fft_buffer, CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB);
|
||||
}
|
||||
/* Get channel estimates for each port */
|
||||
chest_dl_estimate(&chest, fft_buffer, ce, 0);
|
||||
|
||||
/* Get channel estimates for each port */
|
||||
chest_dl_estimate(&chest, fft_buffer, ce, 0);
|
||||
INFO("Decoding PBCH\n", 0);
|
||||
|
||||
for (int i=0;i<MAX_PORTS;i++) {
|
||||
ce_slot1[i] = &ce[i][SLOT_LEN_RE(cell.nof_prb, cell.cp)];
|
||||
}
|
||||
|
||||
INFO("Decoding PBCH\n", 0);
|
||||
|
||||
for (int i=0;i<MAX_PORTS;i++) {
|
||||
ce_slot1[i] = &ce[i][SLOT_LEN_RE(cell.nof_prb, cell.cp)];
|
||||
}
|
||||
|
||||
n = pbch_decode(&pbch, &fft_buffer[SLOT_LEN_RE(cell.nof_prb, cell.cp)],
|
||||
ce_slot1, chest_dl_get_noise_estimate(&chest),
|
||||
bch_payload, &nof_tx_ports, &sfn_offset);
|
||||
|
||||
base_free();
|
||||
if (n < 0) {
|
||||
fprintf(stderr, "Error decoding PBCH\n");
|
||||
exit(-1);
|
||||
} else if (n == 0) {
|
||||
printf("Could not decode PBCH\n");
|
||||
exit(-1);
|
||||
} else {
|
||||
printf("MIB decoded OK. Nof ports: %d. SFN offset: %d Payload: ", nof_tx_ports, sfn_offset);
|
||||
vec_fprint_hex(stdout, bch_payload, BCH_PAYLOAD_LEN);
|
||||
if (nof_tx_ports == 2 && sfn_offset == 0 && !memcmp(bch_payload, bch_payload_file, BCH_PAYLOAD_LEN)) {
|
||||
printf("This is the signal.1.92M.dat file\n");
|
||||
exit(0);
|
||||
} else {
|
||||
printf("This is an unknown file\n");
|
||||
pbch_decode_reset(&pbch);
|
||||
n = pbch_decode(&pbch, &fft_buffer[SLOT_LEN_RE(cell.nof_prb, cell.cp)],
|
||||
ce_slot1, chest_dl_get_noise_estimate(&chest),
|
||||
bch_payload, &nof_tx_ports, &sfn_offset);
|
||||
if (n == 1) {
|
||||
nof_decoded_mibs++;
|
||||
} else if (n < 0) {
|
||||
fprintf(stderr, "Error decoding PBCH\n");
|
||||
exit(-1);
|
||||
}
|
||||
frame_cnt++;
|
||||
} else if (nread < 0) {
|
||||
fprintf(stderr, "Error reading from file\n");
|
||||
exit(-1);
|
||||
}
|
||||
} while(nread > 0 && frame_cnt < nof_frames);
|
||||
|
||||
base_free();
|
||||
if (frame_cnt == 1) {
|
||||
if (n == 0) {
|
||||
printf("Could not decode PBCH\n");
|
||||
exit(-1);
|
||||
} else {
|
||||
printf("MIB decoded OK. Nof ports: %d. SFN offset: %d Payload: ", nof_tx_ports, sfn_offset);
|
||||
vec_fprint_hex(stdout, bch_payload, BCH_PAYLOAD_LEN);
|
||||
if (nof_tx_ports == 2 && sfn_offset == 0 && !memcmp(bch_payload, bch_payload_file, BCH_PAYLOAD_LEN)) {
|
||||
printf("This is the signal.1.92M.dat file\n");
|
||||
exit(0);
|
||||
} else {
|
||||
printf("This is an unknown file\n");
|
||||
exit(-1);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
printf("Decoded %d/%d MIBs\n", nof_decoded_mibs, frame_cnt);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -36,8 +36,6 @@
|
|||
#define INPUT prhs[1]
|
||||
#define NOF_INPUTS 2
|
||||
|
||||
extern int indices[2048];
|
||||
|
||||
void help()
|
||||
{
|
||||
mexErrMsgTxt
|
||||
|
|
@ -148,9 +146,6 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
|
|||
if (nlhs >= 7) {
|
||||
mexutils_write_cf(pbch.ce[0], &plhs[6], pbch.nof_symbols, 1);
|
||||
}
|
||||
if (nlhs >= 7) {
|
||||
mexutils_write_int(indices, &plhs[7], 2048, 1);
|
||||
}
|
||||
|
||||
chest_dl_free(&chest);
|
||||
lte_fft_free(&fft);
|
||||
|
|
|
|||
|
|
@ -5,11 +5,11 @@
|
|||
% R.11-2 5 MHz 2 ports
|
||||
rmc = lteRMCDL('R.10');
|
||||
|
||||
NofPortsTx=2;
|
||||
NofPortsTx=1;
|
||||
|
||||
SNR_values_db=linspace(-8,-2,4);
|
||||
Nrealizations=200;
|
||||
enb = struct('NCellID',0,'NDLRB',50,'CellRefP',NofPortsTx,'CyclicPrefix','Normal','DuplexMode','FDD','NSubframe',0);
|
||||
SNR_values_db=1;%linspace(-8,-2,4);
|
||||
Nrealizations=5;
|
||||
enb = struct('NCellID',1,'NDLRB',25,'CellRefP',NofPortsTx,'CyclicPrefix','Normal','DuplexMode','FDD','NSubframe',0);
|
||||
|
||||
griddims = lteResourceGridSize(enb); % Resource grid dimensions
|
||||
L = griddims(2);
|
||||
|
|
@ -59,7 +59,7 @@ for snr_idx=1:length(SNR_values_db)
|
|||
|
||||
rxWaveform = noise + rxWaveform;
|
||||
|
||||
% rxWaveform = downsampled;
|
||||
rxWaveform = x((i-1)*76800+1:i*76800);
|
||||
|
||||
% Number of OFDM symbols in a subframe
|
||||
% OFDM demodulate signal
|
||||
|
|
@ -79,7 +79,7 @@ for snr_idx=1:length(SNR_values_db)
|
|||
errorReal(i,1)=1;
|
||||
end
|
||||
|
||||
[nof_ports2, pbchSymbols2, pbchBits, ce, ce2, pbchRx2, pbchHest2,indices]= liblte_pbch(enb, rxWaveform, hest, nest);
|
||||
[nof_ports2, pbchSymbols2, pbchBits, ce, ce2, pbchRx2, pbchHest2]= liblte_pbch(enb, rxWaveform, hest, nest);
|
||||
if (nof_ports2 ~= NofPortsTx)
|
||||
errorReal(i,2)=1;
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in New Issue