mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2014 The srsLTE Developers. See the
|
|
* COPYRIGHT file at the top-level directory of this distribution.
|
|
*
|
|
* \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 Lesser 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 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 <strings.h>
|
|
#include "srslte/common/phy_common.h"
|
|
#include "srslte/common/sequence.h"
|
|
|
|
/**
|
|
* 36.211 6.6.1
|
|
*/
|
|
int srslte_sequence_pbch(srslte_sequence_t *seq, srslte_cp_t cp, uint32_t cell_id) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, SRSLTE_CP_ISNORM(cp)?1920:1728, cell_id);
|
|
}
|
|
|
|
/**
|
|
* 36.211 6.7.1
|
|
*/
|
|
int srslte_sequence_pcfich(srslte_sequence_t *seq, uint32_t nslot, uint32_t cell_id) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, 32, (nslot/2+1) * (2*cell_id + 1) * 512 + cell_id);
|
|
}
|
|
|
|
|
|
/**
|
|
* 36.211 6.9.1
|
|
*/
|
|
int srslte_sequence_phich(srslte_sequence_t *seq, uint32_t nslot, uint32_t cell_id) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, 12, (nslot/2+1) * (2*cell_id + 1) * 512 + cell_id);
|
|
}
|
|
|
|
/**
|
|
* 36.211 6.8.2
|
|
*/
|
|
int srslte_sequence_pdcch(srslte_sequence_t *seq, uint32_t nslot, uint32_t cell_id, uint32_t len) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, len, (nslot/2) * 512 + cell_id);
|
|
}
|
|
|
|
/**
|
|
* 36.211 6.3.1
|
|
*/
|
|
int srslte_sequence_pdsch(srslte_sequence_t *seq, unsigned short rnti, int q, uint32_t nslot, uint32_t cell_id, uint32_t len) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, len, (rnti<<14) + (q<<13) + ((nslot/2)<<9) + cell_id);
|
|
}
|
|
|
|
/**
|
|
* 36.211 5.3.1
|
|
*/
|
|
int srslte_sequence_pusch(srslte_sequence_t *seq, unsigned short rnti, uint32_t nslot, uint32_t cell_id, uint32_t len) {
|
|
bzero(seq, sizeof(srslte_sequence_t));
|
|
return srslte_sequence_LTE_pr(seq, len, (rnti<<14) + ((nslot/2)<<9) + cell_id);
|
|
}
|