mirror of https://github.com/pvnis/srsRAN_4G.git
Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next
Ismael Gomez
7 years ago
commit
aa81b4520b
Binary file not shown.
@ -0,0 +1,204 @@
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of
|
||||
* the License, or (at your option) any later version.
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*
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||||
* srsLTE is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU Affero General Public License for more details.
|
||||
*
|
||||
* A copy of the GNU Affero General Public License can be found in
|
||||
* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <unistd.h>
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#include "srslte/srslte.h"
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char *input_file_name = NULL;
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srslte_cell_t cell = {
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100, // nof_prb
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1, // nof_ports
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1, // cell_id
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SRSLTE_CP_EXT, // cyclic prefix
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SRSLTE_PHICH_R_1, // PHICH resources
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SRSLTE_PHICH_NORM // PHICH length
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};
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int flen;
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uint32_t cfi = 2;
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uint16_t rnti = SRSLTE_SIRNTI;
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int max_frames = 150;
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uint32_t sf_idx = 1;
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uint8_t non_mbsfn_region = 2;
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int mbsfn_area_id = 1;
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srslte_dci_format_t dci_format = SRSLTE_DCI_FORMAT1A;
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srslte_filesource_t fsrc;
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srslte_ue_dl_t ue_dl;
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cf_t *input_buffer[SRSLTE_MAX_PORTS];
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void usage(char *prog) {
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printf("Usage: %s [rovfcenmps] -i input_file\n", prog);
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printf("\t-o DCI format [Default %s]\n", srslte_dci_format_string(dci_format));
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printf("\t-c cell.id [Default %d]\n", cell.id);
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printf("\t-s Start subframe_idx [Default %d]\n", sf_idx);
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printf("\t-f cfi [Default %d]\n", cfi);
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printf("\t-r rnti [Default 0x%x]\n",rnti);
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printf("\t-p cell.nof_ports [Default %d]\n", cell.nof_ports);
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printf("\t-n cell.nof_prb [Default %d]\n", cell.nof_prb);
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printf("\t-M mbsfn_area_id [Default %d]\n", mbsfn_area_id);
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printf("\t-e Set extended prefix [Default Normal]\n");
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printf("\t-v [set srslte_verbose to debug, default none]\n");
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}
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void parse_args(int argc, char **argv) {
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int opt;
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while ((opt = getopt(argc, argv, "irovfcenmps")) != -1) {
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switch(opt) {
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case 'i':
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input_file_name = argv[optind];
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break;
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case 'c':
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cell.id = atoi(argv[optind]);
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break;
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case 's':
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sf_idx = atoi(argv[optind]);
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break;
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case 'r':
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rnti = strtoul(argv[optind], NULL, 0);
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break;
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case 'f':
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cfi = atoi(argv[optind]);
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break;
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case 'n':
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cell.nof_prb = atoi(argv[optind]);
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break;
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case 'p':
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cell.nof_ports = atoi(argv[optind]);
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break;
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case 'M':
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mbsfn_area_id = atoi(argv[optind]);
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break;
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case 'o':
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dci_format = srslte_dci_format_from_string(argv[optind]);
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if (dci_format == SRSLTE_DCI_NOF_FORMATS) {
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fprintf(stderr, "Error unsupported format %s\n", argv[optind]);
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exit(-1);
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}
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break;
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case 'v':
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srslte_verbose++;
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break;
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case 'e':
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cell.cp = SRSLTE_CP_EXT;
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break;
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default:
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usage(argv[0]);
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exit(-1);
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}
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}
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if (!input_file_name) {
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usage(argv[0]);
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exit(-1);
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}
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}
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int base_init() {
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if (srslte_filesource_init(&fsrc, input_file_name, SRSLTE_COMPLEX_FLOAT_BIN)) {
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fprintf(stderr, "Error opening file %s\n", input_file_name);
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exit(-1);
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}
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flen = 2 * (SRSLTE_SLOT_LEN(srslte_symbol_sz(cell.nof_prb)));
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input_buffer[0] = malloc(flen * sizeof(cf_t));
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if (!input_buffer[0]) {
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perror("malloc");
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exit(-1);
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}
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if (srslte_ue_dl_init(&ue_dl, cell.nof_prb, 1)) {
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fprintf(stderr, "Error initializing UE DL\n");
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return -1;
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}
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if (srslte_ue_dl_set_cell(&ue_dl, cell)) {
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fprintf(stderr, "Error initializing UE DL\n");
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return -1;
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}
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srslte_ue_dl_set_rnti(&ue_dl, rnti);
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srslte_ue_dl_set_mbsfn_area_id(&ue_dl, mbsfn_area_id);
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srslte_ue_dl_set_non_mbsfn_region(&ue_dl, non_mbsfn_region);
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DEBUG("Memory init OK\n",0);
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return 0;
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}
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void base_free() {
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srslte_filesource_free(&fsrc);
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srslte_ue_dl_free(&ue_dl);
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free(input_buffer[0]);
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}
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int main(int argc, char **argv) {
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int ret;
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if (argc < 3) {
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usage(argv[0]);
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exit(-1);
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}
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parse_args(argc,argv);
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if (base_init()) {
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fprintf(stderr, "Error initializing memory\n");
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exit(-1);
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}
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uint8_t *data[] = {malloc(100000)};
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ret = -1;
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srslte_filesource_read(&fsrc, input_buffer[0], flen);
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INFO("Reading %d samples sub-frame %d\n", flen, sf_idx);
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ret = srslte_ue_dl_decode_mbsfn(&ue_dl, input_buffer, data[0], sf_idx);
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if(ret > 0) {
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printf("PMCH Decoded OK!\n");
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} else if (ret < 0) {
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printf("Error decoding PMCH\n");
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}
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base_free();
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free(data[0]);
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if (ret > 0) {
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exit(0);
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} else {
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exit(-1);
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}
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}
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@ -0,0 +1,469 @@
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/**
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*
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* \section COPYRIGHT
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||||
*
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* Copyright 2013-2015 Software Radio Systems Limited
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||||
*
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||||
* \section LICENSE
|
||||
*
|
||||
* This file is part of the srsLTE library.
|
||||
*
|
||||
* srsLTE is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* srsLTE is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* A copy of the GNU Affero 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/.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <srslte/phy/phch/ra.h>
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#include "srslte/srslte.h"
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// Enable to measure execution time
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#define DO_OFDM
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#ifdef DO_OFDM
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#define NOF_CE_SYMBOLS SRSLTE_SF_LEN_PRB(cell.nof_prb)
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#else
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#define NOF_CE_SYMBOLS SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp)
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#endif
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srslte_cell_t cell = {
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100, // nof_prb
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1, // nof_ports
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1, // cell_id
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SRSLTE_CP_EXT, // cyclic prefix
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SRSLTE_PHICH_NORM, // PHICH length
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SRSLTE_PHICH_R_1_6 // PHICH resources
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};
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char mimo_type_str [32] = "single";
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srslte_mimo_type_t mimo_type = SRSLTE_MIMO_TYPE_SINGLE_ANTENNA;
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uint32_t cfi = 2;
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uint32_t mcs_idx = 2;
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uint32_t subframe = 1;
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int rv_idx[SRSLTE_MAX_CODEWORDS] = {0, 1};
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uint16_t rnti = 1234;
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uint32_t nof_rx_antennas = 1;
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uint32_t pmi = 0;
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char *input_file = NULL;
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uint32_t mbsfn_area_id = 1;
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uint32_t non_mbsfn_region = 2;
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void usage(char *prog) {
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printf("Usage: %s [fmMcsrtRFpnwav] \n", prog);
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printf("\t-f read signal from file [Default generate it with pdsch_encode()]\n");
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printf("\t-m MCS [Default %d]\n", mcs_idx);
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printf("\t-M mbsfn area id [Default %d]\n", mbsfn_area_id);
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printf("\t-N non mbsfn region [Default %d]\n", non_mbsfn_region);
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printf("\t-c cell id [Default %d]\n", cell.id);
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printf("\t-s subframe [Default %d]\n", subframe);
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printf("\t-r rv_idx [Default %d]\n", rv_idx[0]);
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printf("\t-R rnti [Default %d]\n", rnti);
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printf("\t-F cfi [Default %d]\n", cfi);
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printf("\t-n cell.nof_prb [Default %d]\n", cell.nof_prb);
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printf("\t-a nof_rx_antennas [Default %d]\n", nof_rx_antennas);
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printf("\t-v [set srslte_verbose to debug, default none]\n");
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}
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void parse_args(int argc, char **argv) {
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int opt;
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||||
while ((opt = getopt(argc, argv, "fmMcsrtRFpnavx")) != -1) {
|
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switch(opt) {
|
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case 'f':
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input_file = argv[optind];
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break;
|
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case 'm':
|
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mcs_idx = (uint32_t) atoi(argv[optind]);
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break;
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case 's':
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subframe = atoi(argv[optind]);
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break;
|
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case 'r':
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rv_idx[0] = (uint32_t) atoi(argv[optind]);
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break;
|
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case 'R':
|
||||
rnti = atoi(argv[optind]);
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break;
|
||||
case 'F':
|
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cfi = atoi(argv[optind]);
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||||
break;
|
||||
case 'x':
|
||||
strncpy(mimo_type_str, argv[optind], 32);
|
||||
break;
|
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case 'p':
|
||||
pmi = (uint32_t) atoi(argv[optind]);
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break;
|
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case 'n':
|
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cell.nof_prb = atoi(argv[optind]);
|
||||
break;
|
||||
case 'c':
|
||||
cell.id = atoi(argv[optind]);
|
||||
break;
|
||||
case 'a':
|
||||
nof_rx_antennas = (uint32_t) atoi(argv[optind]);
|
||||
break;
|
||||
case 'v':
|
||||
srslte_verbose++;
|
||||
break;
|
||||
default:
|
||||
usage(argv[0]);
|
||||
exit(-1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static uint8_t *data_tx[SRSLTE_MAX_CODEWORDS] = {NULL};
|
||||
static uint8_t *data_rx[SRSLTE_MAX_CODEWORDS] = {NULL};
|
||||
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
|
||||
srslte_softbuffer_rx_t *softbuffers_rx[SRSLTE_MAX_CODEWORDS];
|
||||
srslte_ra_dl_grant_t grant;
|
||||
#ifdef DO_OFDM
|
||||
cf_t *tx_sf_symbols[SRSLTE_MAX_PORTS];
|
||||
cf_t *rx_sf_symbols[SRSLTE_MAX_PORTS];
|
||||
#endif /* DO_OFDM */
|
||||
cf_t *tx_slot_symbols[SRSLTE_MAX_PORTS];
|
||||
cf_t *rx_slot_symbols[SRSLTE_MAX_PORTS];
|
||||
srslte_pmch_t pmch_tx, pmch_rx;
|
||||
srslte_pdsch_cfg_t pmch_cfg;
|
||||
srslte_ofdm_t ifft_mbsfn, fft_mbsfn;
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
uint32_t i, j, k;
|
||||
int ret = -1;
|
||||
struct timeval t[3];
|
||||
srslte_softbuffer_tx_t *softbuffers_tx[SRSLTE_MAX_CODEWORDS];
|
||||
int M=1;
|
||||
|
||||
parse_args(argc,argv);
|
||||
/* Initialise to zeros */
|
||||
bzero(&pmch_tx, sizeof(srslte_pmch_t));
|
||||
bzero(&pmch_rx, sizeof(srslte_pmch_t));
|
||||
bzero(&pmch_cfg, sizeof(srslte_pdsch_cfg_t));
|
||||
bzero(ce, sizeof(cf_t*)*SRSLTE_MAX_PORTS);
|
||||
bzero(tx_slot_symbols, sizeof(cf_t*)*SRSLTE_MAX_PORTS);
|
||||
bzero(rx_slot_symbols, sizeof(cf_t*)*SRSLTE_MAX_PORTS);
|
||||
|
||||
cell.nof_ports = 1;
|
||||
|
||||
srslte_ra_dl_dci_t dci;
|
||||
bzero(&dci, sizeof(srslte_ra_dl_dci_t));
|
||||
dci.type0_alloc.rbg_bitmask = 0xffffffff;
|
||||
|
||||
|
||||
/* If transport block 0 is enabled */
|
||||
grant.tb_en[0] = true;
|
||||
grant.tb_en[1] = false;
|
||||
grant.nof_tb = 1;
|
||||
grant.mcs[0].idx = mcs_idx;
|
||||
|
||||
grant.nof_prb = cell.nof_prb;
|
||||
grant.sf_type = SRSLTE_SF_MBSFN;
|
||||
|
||||
srslte_dl_fill_ra_mcs(&grant.mcs[0], cell.nof_prb);
|
||||
grant.Qm[0] = srslte_mod_bits_x_symbol(grant.mcs[0].mod);
|
||||
for(int i = 0; i < 2; i++){
|
||||
for(int j = 0; j < grant.nof_prb; j++){
|
||||
grant.prb_idx[i][j] = true;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
#ifdef DO_OFDM
|
||||
|
||||
if (srslte_ofdm_tx_init_mbsfn(&ifft_mbsfn, SRSLTE_CP_EXT, cell.nof_prb)) {
|
||||
fprintf(stderr, "Error creating iFFT object\n");
|
||||
exit(-1);
|
||||
}
|
||||
if (srslte_ofdm_rx_init_mbsfn(&fft_mbsfn, SRSLTE_CP_EXT, cell.nof_prb)) {
|
||||
fprintf(stderr, "Error creating iFFT object\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
srslte_ofdm_set_non_mbsfn_region(&ifft_mbsfn, non_mbsfn_region);
|
||||
srslte_ofdm_set_non_mbsfn_region(&fft_mbsfn, non_mbsfn_region);
|
||||
srslte_ofdm_set_normalize(&ifft_mbsfn, true);
|
||||
srslte_ofdm_set_normalize(&fft_mbsfn, true);
|
||||
|
||||
|
||||
for (i = 0; i < cell.nof_ports; i++) {
|
||||
tx_sf_symbols[i] = srslte_vec_malloc(sizeof(cf_t) * SRSLTE_SF_LEN_PRB(cell.nof_prb));
|
||||
}
|
||||
|
||||
for (i = 0; i < nof_rx_antennas; i++) {
|
||||
rx_sf_symbols[i] = srslte_vec_malloc(sizeof(cf_t) * SRSLTE_SF_LEN_PRB(cell.nof_prb));
|
||||
}
|
||||
#endif /* DO_OFDM */
|
||||
|
||||
/* Configure PDSCH */
|
||||
|
||||
if (srslte_pmch_cfg(&pmch_cfg, cell, &grant, cfi, subframe)) {
|
||||
fprintf(stderr, "Error configuring PMCH\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
/* init memory */
|
||||
for (i=0;i<SRSLTE_MAX_PORTS;i++) {
|
||||
for (j = 0; j < SRSLTE_MAX_PORTS; j++) {
|
||||
ce[i][j] = srslte_vec_malloc(sizeof(cf_t) * NOF_CE_SYMBOLS);
|
||||
if (!ce[i]) {
|
||||
perror("srslte_vec_malloc");
|
||||
goto quit;
|
||||
}
|
||||
for (k = 0; k < NOF_CE_SYMBOLS; k++) {
|
||||
ce[i][j][k] = (i == j) ? 1.0f : 0.0f;
|
||||
}
|
||||
}
|
||||
rx_slot_symbols[i] = srslte_vec_malloc(sizeof(cf_t) * SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp));
|
||||
if (!rx_slot_symbols[i]) {
|
||||
perror("srslte_vec_malloc");
|
||||
goto quit;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
for (int i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
|
||||
if (grant.tb_en[i]) {
|
||||
data_tx[i] = srslte_vec_malloc(sizeof(uint8_t) * grant.mcs[i].tbs);
|
||||
if (!data_tx[i]) {
|
||||
perror("srslte_vec_malloc");
|
||||
goto quit;
|
||||
}
|
||||
bzero(data_tx[i], sizeof(uint8_t) * grant.mcs[i].tbs);
|
||||
|
||||
data_rx[i] = srslte_vec_malloc(sizeof(uint8_t) * grant.mcs[i].tbs);
|
||||
if (!data_rx[i]) {
|
||||
perror("srslte_vec_malloc");
|
||||
goto quit;
|
||||
}
|
||||
bzero(data_rx[i], sizeof(uint8_t) * grant.mcs[i].tbs);
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
|
||||
softbuffers_rx[i] = calloc(sizeof(srslte_softbuffer_rx_t), 1);
|
||||
if (!softbuffers_rx[i]) {
|
||||
fprintf(stderr, "Error allocating RX soft buffer\n");
|
||||
goto quit;
|
||||
}
|
||||
|
||||
if (srslte_softbuffer_rx_init(softbuffers_rx[i], cell.nof_prb)) {
|
||||
fprintf(stderr, "Error initiating RX soft buffer\n");
|
||||
goto quit;
|
||||
}
|
||||
}
|
||||
|
||||
if (srslte_pmch_cfg(&pmch_cfg, cell, &grant, cfi, subframe)) {
|
||||
fprintf(stderr, "Error configuring PMCH\n");
|
||||
exit(-1);
|
||||
}
|
||||
|
||||
|
||||
INFO(" Global:\n");
|
||||
INFO(" nof_prb=%d\n", cell.nof_prb);
|
||||
INFO(" nof_ports=%d\n", cell.nof_ports);
|
||||
INFO(" id=%d\n", cell.id);
|
||||
INFO(" cp=%s\n", srslte_cp_string(cell.cp));
|
||||
INFO(" phich_length=%d\n", (int) cell.phich_length);
|
||||
INFO(" phich_resources=%d\n", (int) cell.phich_resources);
|
||||
INFO(" nof_prb=%d\n", pmch_cfg.grant.nof_prb);
|
||||
INFO(" sf_idx=%d\n", pmch_cfg.sf_idx);
|
||||
INFO(" mimo_type=%s\n", srslte_mimotype2str(pmch_cfg.mimo_type));
|
||||
INFO(" nof_layers=%d\n", pmch_cfg.nof_layers);
|
||||
INFO(" nof_tb=%d\n", SRSLTE_RA_DL_GRANT_NOF_TB(&pmch_cfg.grant));
|
||||
|
||||
INFO(" Qm=%d\n", pmch_cfg.grant.Qm[0]);
|
||||
INFO(" mcs.idx=0x%X\n", pmch_cfg.grant.mcs[0].idx);
|
||||
INFO(" mcs.tbs=%d\n", pmch_cfg.grant.mcs[0].tbs);
|
||||
INFO(" mcs.mod=%s\n", srslte_mod_string(pmch_cfg.grant.mcs[0].mod));
|
||||
INFO(" rv=%d\n", pmch_cfg.rv[0]);
|
||||
INFO(" lstart=%d\n", pmch_cfg.nbits[0].lstart);
|
||||
INFO(" nof_bits=%d\n", pmch_cfg.nbits[0].nof_bits);
|
||||
INFO(" nof_re=%d\n", pmch_cfg.nbits[0].nof_re);
|
||||
INFO(" nof_symb=%d\n", pmch_cfg.nbits[0].nof_symb);
|
||||
|
||||
|
||||
|
||||
if (srslte_pmch_init(&pmch_tx, cell.nof_prb)) {
|
||||
fprintf(stderr, "Error creating PMCH object\n");
|
||||
}
|
||||
srslte_pmch_set_area_id(&pmch_tx, mbsfn_area_id);
|
||||
|
||||
if (srslte_pmch_init(&pmch_rx, cell.nof_prb)) {
|
||||
fprintf(stderr, "Error creating PMCH object\n");
|
||||
}
|
||||
srslte_pmch_set_area_id(&pmch_rx, mbsfn_area_id);
|
||||
|
||||
|
||||
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
|
||||
softbuffers_tx[i] = calloc(sizeof(srslte_softbuffer_tx_t), 1);
|
||||
if (!softbuffers_tx[i]) {
|
||||
fprintf(stderr, "Error allocating TX soft buffer\n");
|
||||
}
|
||||
|
||||
if (srslte_softbuffer_tx_init(softbuffers_tx[i], cell.nof_prb)) {
|
||||
fprintf(stderr, "Error initiating TX soft buffer\n");
|
||||
goto quit;
|
||||
}
|
||||
}
|
||||
|
||||
for (i = 0; i < cell.nof_ports; i++) {
|
||||
tx_slot_symbols[i] = calloc(SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp), sizeof(cf_t));
|
||||
if (!tx_slot_symbols[i]) {
|
||||
perror("srslte_vec_malloc");
|
||||
goto quit;
|
||||
}
|
||||
}
|
||||
|
||||
for (int tb = 0; tb < SRSLTE_MAX_CODEWORDS; tb++) {
|
||||
if (grant.tb_en[tb]) {
|
||||
for (int byte = 0; byte < grant.mcs[tb].tbs / 8; byte++) {
|
||||
data_tx[tb][byte] = (uint8_t) (rand() % 256);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (srslte_pmch_encode(&pmch_tx, &pmch_cfg, softbuffers_tx[0], data_tx[0], mbsfn_area_id, tx_slot_symbols)) {
|
||||
fprintf(stderr, "Error encoding PDSCH\n");
|
||||
exit(-1);
|
||||
}
|
||||
gettimeofday(&t[2], NULL);
|
||||
get_time_interval(t);
|
||||
printf("ENCODED in %.2f (PHY bitrate=%.2f Mbps. Processing bitrate=%.2f Mbps)\n",
|
||||
(float) t[0].tv_usec/M, (float) (grant.mcs[0].tbs + grant.mcs[1].tbs)/1000.0f,
|
||||
(float) (grant.mcs[0].tbs + grant.mcs[1].tbs)*M/t[0].tv_usec);
|
||||
|
||||
#ifdef DO_OFDM
|
||||
for (i = 0; i < cell.nof_ports; i++) {
|
||||
/* For each Tx antenna modulate OFDM */
|
||||
srslte_ofdm_tx_sf(&ifft_mbsfn, tx_slot_symbols[i], tx_sf_symbols[i]);
|
||||
}
|
||||
|
||||
|
||||
/* combine outputs */
|
||||
for (j = 0; j < nof_rx_antennas; j++) {
|
||||
for (k = 0; k < NOF_CE_SYMBOLS; k++) {
|
||||
rx_sf_symbols[j][k] = 0.0f;
|
||||
for (i = 0; i < cell.nof_ports; i++) {
|
||||
rx_sf_symbols[j][k] += tx_sf_symbols[i][k] * ce[i][j][k];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
/* combine outputs */
|
||||
for (j = 0; j < nof_rx_antennas; j++) {
|
||||
for (k = 0; k < SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp); k++) {
|
||||
rx_slot_symbols[j][k] = 0.0f;
|
||||
for (i = 0; i < cell.nof_ports; i++) {
|
||||
rx_slot_symbols[j][k] += tx_slot_symbols[i][k] * ce[i][j][k];
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
int r=0;
|
||||
gettimeofday(&t[1], NULL);
|
||||
|
||||
#ifdef DO_OFDM
|
||||
/* For each Rx antenna demodulate OFDM */
|
||||
for (i = 0; i < nof_rx_antennas; i++) {
|
||||
srslte_ofdm_rx_sf(&fft_mbsfn, tx_sf_symbols[i], rx_slot_symbols[i]);
|
||||
}
|
||||
#endif
|
||||
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
|
||||
if (grant.tb_en[i]) {
|
||||
srslte_softbuffer_rx_reset_tbs(softbuffers_rx[i], (uint32_t) grant.mcs[i].tbs);
|
||||
}
|
||||
}
|
||||
|
||||
r = srslte_pmch_decode(&pmch_rx, &pmch_cfg, softbuffers_rx[0],rx_slot_symbols[0], ce[0],0,mbsfn_area_id, data_rx[0]);
|
||||
gettimeofday(&t[2], NULL);
|
||||
get_time_interval(t);
|
||||
printf("DECODED %s in %.2f (PHY bitrate=%.2f Mbps. Processing bitrate=%.2f Mbps)\n", r?"Error":"OK",
|
||||
(float) t[0].tv_usec/M, (float) (grant.mcs[0].tbs + grant.mcs[1].tbs)/1000.0f,
|
||||
(float) (grant.mcs[0].tbs + grant.mcs[1].tbs)*M/t[0].tv_usec);
|
||||
|
||||
/* If there is an error in PDSCH decode */
|
||||
if (r) {
|
||||
ret = -1;
|
||||
goto quit;
|
||||
}
|
||||
|
||||
/* Check Tx and Rx bytes */
|
||||
for (int tb = 0; tb < SRSLTE_MAX_CODEWORDS; tb++) {
|
||||
if (grant.tb_en[tb]) {
|
||||
for (int byte = 0; byte < grant.mcs[tb].tbs / 8; byte++) {
|
||||
if (data_tx[tb][byte] != data_rx[tb][byte]) {
|
||||
ERROR("Found BYTE error in TB %d (%02X != %02X), quiting...", tb, data_tx[tb][byte], data_rx[tb][byte]);
|
||||
ret = SRSLTE_ERROR;
|
||||
goto quit;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ret = SRSLTE_SUCCESS;
|
||||
|
||||
quit:
|
||||
srslte_pmch_free(&pmch_tx);
|
||||
srslte_pmch_free(&pmch_rx);
|
||||
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
|
||||
srslte_softbuffer_tx_free(softbuffers_tx[i]);
|
||||
if (softbuffers_tx[i]) {
|
||||
free(softbuffers_tx[i]);
|
||||
}
|
||||
|
||||
srslte_softbuffer_rx_free(softbuffers_rx[i]);
|
||||
if (softbuffers_rx[i]) {
|
||||
free(softbuffers_rx[i]);
|
||||
}
|
||||
|
||||
if (data_tx[i]) {
|
||||
free(data_tx[i]);
|
||||
}
|
||||
|
||||
if (data_rx[i]) {
|
||||
free(data_rx[i]);
|
||||
}
|
||||
}
|
||||
|
||||
for (i=0;i<SRSLTE_MAX_PORTS;i++) {
|
||||
for (j = 0; j < SRSLTE_MAX_PORTS; j++) {
|
||||
if (ce[i][j]) {
|
||||
free(ce[i][j]);
|
||||
}
|
||||
}
|
||||
if (tx_slot_symbols[i]) {
|
||||
free(tx_slot_symbols[i]);
|
||||
}
|
||||
if (rx_slot_symbols[i]) {
|
||||
free(rx_slot_symbols[i]);
|
||||
}
|
||||
}
|
||||
if (ret) {
|
||||
printf("Error\n");
|
||||
} else {
|
||||
printf("Ok\n");
|
||||
}
|
||||
exit(ret);
|
||||
}
|
||||
Loading…
Reference in New Issue