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.
178 lines
8.1 KiB
C
178 lines
8.1 KiB
C
/**
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* 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/.
|
|
*
|
|
*/
|
|
|
|
/**********************************************************************************************
|
|
* File: sequence.h
|
|
*
|
|
* Description: Pseudo Random Sequence generation. Sequences are defined by a length-31 Gold
|
|
* sequence.
|
|
*
|
|
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 7.2
|
|
*********************************************************************************************/
|
|
|
|
#ifndef SRSRAN_SEQUENCE_H
|
|
#define SRSRAN_SEQUENCE_H
|
|
|
|
#include "srsran/config.h"
|
|
#include "srsran/phy/common/phy_common.h"
|
|
|
|
#define SRSRAN_SEQUENCE_MOD(X) ((uint32_t)((X) & (uint64_t)INT32_MAX))
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint32_t x1;
|
|
uint32_t x2;
|
|
} srsran_sequence_state_t;
|
|
|
|
SRSRAN_API void srsran_sequence_state_init(srsran_sequence_state_t* s, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_state_gen_f(srsran_sequence_state_t* s, float value, float* out, uint32_t length);
|
|
|
|
SRSRAN_API void srsran_sequence_state_advance(srsran_sequence_state_t* s, uint32_t length);
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint8_t* c;
|
|
uint8_t* c_bytes;
|
|
float* c_float;
|
|
short* c_short;
|
|
int8_t* c_char;
|
|
uint32_t cur_len;
|
|
uint32_t max_len;
|
|
} srsran_sequence_t;
|
|
|
|
SRSRAN_API int srsran_sequence_init(srsran_sequence_t* q, uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_free(srsran_sequence_t* q);
|
|
|
|
SRSRAN_API int srsran_sequence_LTE_pr(srsran_sequence_t* q, uint32_t len, uint32_t seed);
|
|
|
|
SRSRAN_API int srsran_sequence_set_LTE_pr(srsran_sequence_t* q, uint32_t len, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_apply_f(const float* in, float* out, uint32_t length, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_apply_s(const int16_t* in, int16_t* out, uint32_t length, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_apply_c(const int8_t* in, int8_t* out, uint32_t length, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_apply_packed(const uint8_t* in, uint8_t* out, uint32_t length, uint32_t seed);
|
|
|
|
SRSRAN_API void srsran_sequence_apply_bit(const uint8_t* in, uint8_t* out, uint32_t length, uint32_t seed);
|
|
|
|
SRSRAN_API int srsran_sequence_pbch(srsran_sequence_t* seq, srsran_cp_t cp, uint32_t cell_id);
|
|
|
|
SRSRAN_API int srsran_sequence_pcfich(srsran_sequence_t* seq, uint32_t nslot, uint32_t cell_id);
|
|
|
|
SRSRAN_API int srsran_sequence_phich(srsran_sequence_t* seq, uint32_t nslot, uint32_t cell_id);
|
|
|
|
SRSRAN_API int srsran_sequence_pdcch(srsran_sequence_t* seq, uint32_t nslot, uint32_t cell_id, uint32_t len);
|
|
|
|
SRSRAN_API int
|
|
srsran_sequence_pdsch(srsran_sequence_t* seq, uint16_t rnti, int q, uint32_t nslot, uint32_t cell_id, uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pdsch_apply_pack(const uint8_t* in,
|
|
uint8_t* out,
|
|
uint16_t rnti,
|
|
int q,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pdsch_apply_f(const float* in,
|
|
float* out,
|
|
uint16_t rnti,
|
|
int q,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pdsch_apply_s(const int16_t* in,
|
|
int16_t* out,
|
|
uint16_t rnti,
|
|
int q,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pdsch_apply_c(const int8_t* in,
|
|
int8_t* out,
|
|
uint16_t rnti,
|
|
int q,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API int
|
|
srsran_sequence_pusch(srsran_sequence_t* seq, uint16_t rnti, uint32_t nslot, uint32_t cell_id, uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pusch_apply_pack(const uint8_t* in,
|
|
uint8_t* out,
|
|
uint16_t rnti,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pusch_apply_c(const int8_t* in,
|
|
int8_t* out,
|
|
uint16_t rnti,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void srsran_sequence_pusch_apply_s(const int16_t* in,
|
|
int16_t* out,
|
|
uint16_t rnti,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API void
|
|
srsran_sequence_pusch_gen_unpack(uint8_t* out, uint16_t rnti, uint32_t nslot, uint32_t cell_id, uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_pucch(srsran_sequence_t* seq, uint16_t rnti, uint32_t nslot, uint32_t cell_id);
|
|
|
|
SRSRAN_API int srsran_sequence_pmch(srsran_sequence_t* seq, uint32_t nslot, uint32_t mbsfn_id, uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_npbch(srsran_sequence_t* seq, srsran_cp_t cp, uint32_t cell_id);
|
|
|
|
SRSRAN_API int srsran_sequence_npbch_r14(srsran_sequence_t* seq, uint32_t n_id_ncell, uint32_t nf);
|
|
|
|
SRSRAN_API int srsran_sequence_npdsch(srsran_sequence_t* seq,
|
|
uint16_t rnti,
|
|
int q,
|
|
uint32_t nf,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_npdsch_bcch_r14(srsran_sequence_t* seq, uint32_t nf, uint32_t n_id_ncell, uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_npdcch(srsran_sequence_t* seq, uint32_t nslot, uint32_t cell_id, uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_npusch(srsran_sequence_t* seq,
|
|
uint16_t rnti,
|
|
uint32_t nf,
|
|
uint32_t nslot,
|
|
uint32_t cell_id,
|
|
uint32_t len);
|
|
|
|
SRSRAN_API int srsran_sequence_nprach(srsran_sequence_t* seq, uint32_t cell_id);
|
|
|
|
#endif // SRSRAN_SEQUENCE_H
|