2014-03-27 09:31:25 -07:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* \section COPYRIGHT
|
|
|
|
*
|
2015-03-20 05:01:08 -07:00
|
|
|
* Copyright 2013-2014 The srsLTE Developers. See the
|
2014-03-27 09:31:25 -07:00
|
|
|
* COPYRIGHT file at the top-level directory of this distribution.
|
|
|
|
*
|
|
|
|
* \section LICENSE
|
|
|
|
*
|
2015-03-20 05:01:08 -07:00
|
|
|
* This file is part of the srsLTE library.
|
2014-03-27 09:31:25 -07:00
|
|
|
*
|
2015-03-20 05:01:08 -07:00
|
|
|
* srsLTE is free software: you can redistribute it and/or modify
|
2014-03-27 09:31:25 -07:00
|
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
|
|
* published by the Free Software Foundation, either version 3 of
|
|
|
|
* the License, or (at your option) any later version.
|
|
|
|
*
|
2015-03-20 05:01:08 -07:00
|
|
|
* srsLTE is distributed in the hope that it will be useful,
|
2014-03-27 09:31:25 -07:00
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
* GNU Lesser General Public License for more details.
|
|
|
|
*
|
|
|
|
* A copy of the GNU Lesser General Public License can be found in
|
|
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
|
|
* and at http://www.gnu.org/licenses/.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <strings.h>
|
|
|
|
#include <unistd.h>
|
|
|
|
|
2015-03-18 05:31:13 -07:00
|
|
|
#include "srslte/srslte.h"
|
2014-03-27 09:31:25 -07:00
|
|
|
|
2014-06-29 10:51:25 -07:00
|
|
|
|
2015-03-18 05:41:50 -07:00
|
|
|
srslte_cell_t cell = {
|
2014-06-29 10:51:25 -07:00
|
|
|
6, // nof_prb
|
|
|
|
1, // nof_ports
|
|
|
|
1000, // cell_id
|
2015-04-05 07:32:35 -07:00
|
|
|
SRSLTE_CP_NORM, // cyclic prefix
|
2015-03-18 05:59:29 -07:00
|
|
|
SRSLTE_PHICH_R_1, // PHICH resources
|
|
|
|
SRSLTE_PHICH_NORM // PHICH length
|
2014-06-29 10:51:25 -07:00
|
|
|
};
|
|
|
|
|
2015-03-18 05:59:29 -07:00
|
|
|
srslte_phich_resources_t phich_res = SRSLTE_PHICH_R_1;
|
|
|
|
srslte_phich_length_t phich_length = SRSLTE_PHICH_NORM;
|
2014-03-27 09:31:25 -07:00
|
|
|
|
|
|
|
void usage(char *prog) {
|
2014-06-17 02:11:41 -07:00
|
|
|
printf("Usage: %s [cpvgel]\n", prog);
|
2014-06-29 10:51:25 -07:00
|
|
|
printf("\t-c cell id [Default %d]\n", cell.id);
|
|
|
|
printf("\t-p cell.nof_ports [Default %d]\n", cell.nof_ports);
|
|
|
|
printf("\t-n cell.nof_prb [Default %d]\n", cell.nof_prb);
|
2014-06-17 02:11:41 -07:00
|
|
|
printf("\t-g phich ng factor: 1/6, 1/2, 1, 2 [Default 1]\n");
|
|
|
|
printf("\t-e phich extended length [Default normal]\n");
|
|
|
|
printf("\t-l extended cyclic prefix [Default normal]\n");
|
2015-03-18 11:14:24 -07:00
|
|
|
printf("\t-v [set srslte_verbose to debug, default none]\n");
|
2014-03-27 09:31:25 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
void parse_args(int argc, char **argv) {
|
2014-06-17 02:11:41 -07:00
|
|
|
int opt;
|
|
|
|
while ((opt = getopt(argc, argv, "cpnvgel")) != -1) {
|
|
|
|
switch(opt) {
|
|
|
|
case 'p':
|
2014-06-29 10:51:25 -07:00
|
|
|
cell.nof_ports = atoi(argv[optind]);
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
case 'n':
|
2014-06-29 10:51:25 -07:00
|
|
|
cell.nof_prb = atoi(argv[optind]);
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
case 'c':
|
2014-06-29 10:51:25 -07:00
|
|
|
cell.id = atoi(argv[optind]);
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
case 'g':
|
|
|
|
if (!strcmp(argv[optind], "1/6")) {
|
2015-03-18 05:59:29 -07:00
|
|
|
phich_res = SRSLTE_PHICH_SRSLTE_PHICH_R_1_6;
|
2014-06-17 02:11:41 -07:00
|
|
|
} else if (!strcmp(argv[optind], "1/2")) {
|
2015-03-18 05:59:29 -07:00
|
|
|
phich_res = SRSLTE_PHICH_SRSLTE_PHICH_R_1_2;
|
2014-06-17 02:11:41 -07:00
|
|
|
} else if (!strcmp(argv[optind], "1")) {
|
2015-03-18 05:59:29 -07:00
|
|
|
phich_res = SRSLTE_PHICH_R_1;
|
2014-06-17 02:11:41 -07:00
|
|
|
} else if (!strcmp(argv[optind], "2")) {
|
2015-03-18 05:59:29 -07:00
|
|
|
phich_res = SRSLTE_PHICH_R_2;
|
2014-06-17 02:11:41 -07:00
|
|
|
} else {
|
|
|
|
fprintf(stderr, "Invalid phich ng factor %s. Setting to default.\n", argv[optind]);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'e':
|
2015-03-18 05:59:29 -07:00
|
|
|
phich_length = SRSLTE_PHICH_EXT;
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
case 'l':
|
2015-04-05 07:32:35 -07:00
|
|
|
cell.cp = SRSLTE_CP_EXT;
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
case 'v':
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_verbose++;
|
2014-06-17 02:11:41 -07:00
|
|
|
break;
|
|
|
|
default:
|
|
|
|
usage(argv[0]);
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
}
|
2014-03-27 09:31:25 -07:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int main(int argc, char **argv) {
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_phich_t phich;
|
|
|
|
srslte_regs_t regs;
|
2014-06-17 02:11:41 -07:00
|
|
|
int i, j;
|
2015-03-18 05:41:50 -07:00
|
|
|
cf_t *ce[SRSLTE_MAX_PORTS];
|
2014-06-17 02:11:41 -07:00
|
|
|
int nof_re;
|
2015-03-18 05:41:50 -07:00
|
|
|
cf_t *slot_symbols[SRSLTE_MAX_PORTS];
|
2015-03-18 05:59:29 -07:00
|
|
|
uint8_t ack[50][SRSLTE_PHICH_NORM_NSEQUENCES], ack_rx;
|
2015-04-14 01:41:17 -07:00
|
|
|
uint32_t nsf;
|
|
|
|
float distance;
|
2014-06-17 02:11:41 -07:00
|
|
|
int cid, max_cid;
|
2014-07-01 01:48:51 -07:00
|
|
|
uint32_t ngroup, nseq, max_nseq;
|
2014-06-17 02:11:41 -07:00
|
|
|
|
|
|
|
parse_args(argc,argv);
|
|
|
|
|
2015-03-18 05:59:29 -07:00
|
|
|
max_nseq = SRSLTE_CP_ISNORM(cell.cp)?SRSLTE_PHICH_NORM_NSEQUENCES:SRSLTE_PHICH_EXT_NSEQUENCES;
|
2014-06-17 02:11:41 -07:00
|
|
|
|
2015-04-05 07:32:35 -07:00
|
|
|
nof_re = SRSLTE_CP_NORM_NSYMB * cell.nof_prb * SRSLTE_NRE;
|
2014-06-17 02:11:41 -07:00
|
|
|
|
|
|
|
/* init memory */
|
2015-03-18 05:41:50 -07:00
|
|
|
for (i=0;i<SRSLTE_MAX_PORTS;i++) {
|
2014-06-17 02:11:41 -07:00
|
|
|
ce[i] = malloc(sizeof(cf_t) * nof_re);
|
|
|
|
if (!ce[i]) {
|
|
|
|
perror("malloc");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
for (j=0;j<nof_re;j++) {
|
|
|
|
ce[i][j] = 1;
|
|
|
|
}
|
|
|
|
slot_symbols[i] = malloc(sizeof(cf_t) * nof_re);
|
|
|
|
if (!slot_symbols[i]) {
|
|
|
|
perror("malloc");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-06-29 10:51:25 -07:00
|
|
|
if (cell.id == 1000) {
|
2014-06-17 02:11:41 -07:00
|
|
|
cid = 0;
|
|
|
|
max_cid = 503;
|
|
|
|
} else {
|
2014-06-29 10:51:25 -07:00
|
|
|
cid = cell.id;
|
|
|
|
max_cid = cell.id;
|
2014-06-17 02:11:41 -07:00
|
|
|
}
|
|
|
|
while(cid <= max_cid) {
|
2014-06-29 10:51:25 -07:00
|
|
|
cell.id = cid;
|
|
|
|
|
2014-06-17 02:11:41 -07:00
|
|
|
printf("Testing CellID=%d...\n", cid);
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_regs_init(®s, cell)) {
|
2014-06-17 02:11:41 -07:00
|
|
|
fprintf(stderr, "Error initiating regs\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_phich_init(&phich, ®s, cell)) {
|
2014-06-17 02:11:41 -07:00
|
|
|
fprintf(stderr, "Error creating PBCH object\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (nsf=0;nsf<10;nsf++) {
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_phich_reset(&phich, slot_symbols);
|
2014-06-17 02:11:41 -07:00
|
|
|
|
|
|
|
/* Transmit all PHICH groups and sequence numbers */
|
2015-03-18 11:14:24 -07:00
|
|
|
for (ngroup=0;ngroup<srslte_phich_ngroups(&phich);ngroup++) {
|
2014-06-17 02:11:41 -07:00
|
|
|
for (nseq=0;nseq<max_nseq;nseq++) {
|
|
|
|
|
|
|
|
ack[ngroup][nseq] = rand()%2;
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_phich_encode(&phich, ack[ngroup][nseq], ngroup, nseq, nsf, slot_symbols);
|
2014-06-17 02:11:41 -07:00
|
|
|
}
|
|
|
|
}
|
|
|
|
/* combine outputs */
|
2014-06-29 10:51:25 -07:00
|
|
|
for (i=1;i<cell.nof_ports;i++) {
|
2014-06-17 02:11:41 -07:00
|
|
|
for (j=0;j<nof_re;j++) {
|
|
|
|
slot_symbols[0][j] += slot_symbols[i][j];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Receive all PHICH groups and sequence numbers */
|
2015-03-18 11:14:24 -07:00
|
|
|
for (ngroup=0;ngroup<srslte_phich_ngroups(&phich);ngroup++) {
|
2014-06-17 02:11:41 -07:00
|
|
|
for (nseq=0;nseq<max_nseq;nseq++) {
|
|
|
|
|
2015-03-18 11:14:24 -07:00
|
|
|
if (srslte_phich_decode(&phich, slot_symbols[0], ce, 0, ngroup, nseq, nsf, &ack_rx, &distance)<0) {
|
2014-06-17 02:11:41 -07:00
|
|
|
printf("Error decoding ACK\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
INFO("%d/%d, ack_tx: %d, ack_rx: %d, ns: %d, distance: %d\n",
|
|
|
|
ngroup, nseq, ack[ngroup][nseq], ack_rx, nsf, distance);
|
|
|
|
if (ack[ngroup][nseq] != ack_rx) {
|
|
|
|
printf("Invalid received ACK: %d!=%d\n", ack[ngroup][nseq], ack_rx);
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
if (distance) {
|
|
|
|
printf("Error\n");
|
|
|
|
exit(-1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2015-03-18 11:14:24 -07:00
|
|
|
srslte_phich_free(&phich);
|
|
|
|
srslte_regs_free(®s);
|
2014-06-17 02:11:41 -07:00
|
|
|
cid++;
|
|
|
|
}
|
|
|
|
|
2015-03-18 05:41:50 -07:00
|
|
|
for (i=0;i<SRSLTE_MAX_PORTS;i++) {
|
2014-06-17 02:11:41 -07:00
|
|
|
free(ce[i]);
|
|
|
|
free(slot_symbols[i]);
|
|
|
|
}
|
|
|
|
printf("OK\n");
|
|
|
|
exit(0);
|
2014-03-27 09:31:25 -07:00
|
|
|
}
|