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.
185 lines
8.6 KiB
C
185 lines
8.6 KiB
C
4 years ago
|
/**
|
||
|
|
*
|
||
|
|
* \section COPYRIGHT
|
||
|
|
*
|
||
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
||
|
|
*
|
||
|
|
* By using this file, you agree to the terms and conditions set
|
||
|
|
* forth in the LICENSE file which can be found at the top level of
|
||
|
|
* the distribution.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**********************************************************************************************
|
||
|
|
* File: refsignal_ul.h
|
||
|
|
*
|
||
|
|
* Description: Object to manage uplink reference signals for channel estimation.
|
||
|
|
*
|
||
|
|
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.5
|
||
|
|
*********************************************************************************************/
|
||
|
|
|
||
|
|
#ifndef SRSRAN_REFSIGNAL_UL_H
|
||
|
|
#define SRSRAN_REFSIGNAL_UL_H
|
||
|
|
|
||
|
|
#include "srsran/config.h"
|
||
|
|
#include "srsran/phy/common/phy_common.h"
|
||
|
|
#include "srsran/phy/phch/pucch_cfg.h"
|
||
|
|
#include "srsran/phy/phch/pusch_cfg.h"
|
||
|
|
|
||
|
|
#define SRSRAN_NOF_GROUPS_U 30
|
||
|
|
#define SRSRAN_NOF_SEQUENCES_U 2
|
||
|
|
#define SRSRAN_NOF_DELTA_SS 30
|
||
|
|
#define SRSRAN_NOF_CSHIFT 8
|
||
|
|
|
||
|
|
#define SRSRAN_REFSIGNAL_UL_L(ns_idx, cp) ((ns_idx + 1) * SRSRAN_CP_NSYMB(cp) - 4)
|
||
|
|
|
||
|
|
/* PUSCH DMRS common configuration (received in SIB2) */
|
||
|
|
typedef struct SRSRAN_API {
|
||
|
|
uint32_t cyclic_shift;
|
||
|
|
uint32_t delta_ss;
|
||
|
|
bool group_hopping_en;
|
||
|
|
bool sequence_hopping_en;
|
||
|
|
} srsran_refsignal_dmrs_pusch_cfg_t;
|
||
|
|
|
||
|
|
typedef struct SRSRAN_API {
|
||
|
|
|
||
|
|
// Common Configuration
|
||
|
|
uint32_t subframe_config;
|
||
|
|
uint32_t bw_cfg;
|
||
|
|
bool simul_ack;
|
||
|
|
|
||
|
|
// Dedicated configuration
|
||
|
|
uint32_t B;
|
||
|
|
uint32_t b_hop;
|
||
|
|
uint32_t n_srs;
|
||
|
|
uint32_t I_srs;
|
||
|
|
uint32_t k_tc;
|
||
|
|
uint32_t n_rrc;
|
||
|
|
bool dedicated_enabled;
|
||
|
|
bool common_enabled;
|
||
|
|
bool configured;
|
||
|
|
} srsran_refsignal_srs_cfg_t;
|
||
|
|
|
||
|
|
/** Uplink DeModulation Reference Signal (DMRS) */
|
||
|
|
typedef struct SRSRAN_API {
|
||
|
|
srsran_cell_t cell;
|
||
|
|
|
||
|
|
uint32_t n_cs_cell[SRSRAN_NSLOTS_X_FRAME][SRSRAN_CP_NORM_NSYMB];
|
||
|
|
uint32_t n_prs_pusch[SRSRAN_NOF_DELTA_SS][SRSRAN_NSLOTS_X_FRAME]; // We precompute n_prs needed for cyclic shift alpha
|
||
|
|
// at srsran_refsignal_dl_init()
|
||
|
|
uint32_t f_gh[SRSRAN_NSLOTS_X_FRAME];
|
||
|
|
uint32_t u_pucch[SRSRAN_NSLOTS_X_FRAME];
|
||
|
|
uint32_t v_pusch[SRSRAN_NSLOTS_X_FRAME][SRSRAN_NOF_DELTA_SS];
|
||
|
|
} srsran_refsignal_ul_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
uint32_t max_prb;
|
||
|
|
cf_t** r[SRSRAN_NOF_CSHIFT][SRSRAN_NOF_SF_X_FRAME];
|
||
|
|
} srsran_refsignal_ul_dmrs_pregen_t;
|
||
|
|
|
||
|
|
typedef struct {
|
||
|
|
cf_t* r[SRSRAN_NOF_SF_X_FRAME];
|
||
|
|
} srsran_refsignal_srs_pregen_t;
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_ul_set_cell(srsran_refsignal_ul_t* q, srsran_cell_t cell);
|
||
|
|
|
||
|
|
SRSRAN_API uint32_t srsran_refsignal_dmrs_N_rs(srsran_pucch_format_t format, srsran_cp_t cp);
|
||
|
|
|
||
|
|
SRSRAN_API uint32_t srsran_refsignal_dmrs_pucch_symbol(uint32_t m, srsran_pucch_format_t format, srsran_cp_t cp);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_dmrs_pusch_pregen_init(srsran_refsignal_ul_dmrs_pregen_t* pregen, uint32_t max_prb);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_dmrs_pusch_pregen(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_ul_dmrs_pregen_t* pregen,
|
||
|
|
srsran_refsignal_dmrs_pusch_cfg_t* cfg);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_dmrs_pusch_pregen_free(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_ul_dmrs_pregen_t* pregen);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_dmrs_pusch_pregen_put(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_ul_sf_cfg_t* sf_cfg,
|
||
|
|
srsran_refsignal_ul_dmrs_pregen_t* pregen,
|
||
|
|
srsran_pusch_cfg_t* pusch_cfg,
|
||
|
|
cf_t* sf_symbols);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_dmrs_pusch_gen(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_dmrs_pusch_cfg_t* cfg,
|
||
|
|
uint32_t nof_prb,
|
||
|
|
uint32_t sf_idx,
|
||
|
|
uint32_t cyclic_shift_for_dmrs,
|
||
|
|
cf_t* r_pusch);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_dmrs_pusch_put(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_pusch_cfg_t* pusch_cfg,
|
||
|
|
cf_t* r_pusch,
|
||
|
|
cf_t* sf_symbols);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_dmrs_pusch_get(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_pusch_cfg_t* pusch_cfg,
|
||
|
|
cf_t* sf_symbols,
|
||
|
|
cf_t* r_pusch);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_dmrs_pucch_gen(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_ul_sf_cfg_t* sf,
|
||
|
|
srsran_pucch_cfg_t* cfg,
|
||
|
|
cf_t* r_pucch);
|
||
|
|
|
||
|
|
SRSRAN_API int
|
||
|
|
srsran_refsignal_dmrs_pucch_put(srsran_refsignal_ul_t* q, srsran_pucch_cfg_t* cfg, cf_t* r_pucch, cf_t* output);
|
||
|
|
|
||
|
|
SRSRAN_API int
|
||
|
|
srsran_refsignal_dmrs_pucch_get(srsran_refsignal_ul_t* q, srsran_pucch_cfg_t* cfg, cf_t* input, cf_t* r_pucch);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_pregen(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_srs_pregen_t* pregen,
|
||
|
|
srsran_refsignal_srs_cfg_t* cfg,
|
||
|
|
srsran_refsignal_dmrs_pusch_cfg_t* dmrs);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_pregen_put(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_srs_pregen_t* pregen,
|
||
|
|
srsran_refsignal_srs_cfg_t* cfg,
|
||
|
|
uint32_t tti,
|
||
|
|
cf_t* sf_symbols);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_srs_pregen_free(srsran_refsignal_ul_t* q, srsran_refsignal_srs_pregen_t* pregen);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_gen(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_srs_cfg_t* cfg,
|
||
|
|
srsran_refsignal_dmrs_pusch_cfg_t* pusch_cfg,
|
||
|
|
uint32_t sf_idx,
|
||
|
|
cf_t* r_srs);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_put(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_srs_cfg_t* cfg,
|
||
|
|
uint32_t tti,
|
||
|
|
cf_t* r_srs,
|
||
|
|
cf_t* sf_symbols);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_get(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_refsignal_srs_cfg_t* cfg,
|
||
|
|
uint32_t tti,
|
||
|
|
cf_t* r_srs,
|
||
|
|
cf_t* sf_symbols);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_srs_pusch_shortened(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_ul_sf_cfg_t* sf,
|
||
|
|
srsran_refsignal_srs_cfg_t* srs_cfg,
|
||
|
|
srsran_pusch_cfg_t* pusch_cfg);
|
||
|
|
|
||
|
|
SRSRAN_API void srsran_refsignal_srs_pucch_shortened(srsran_refsignal_ul_t* q,
|
||
|
|
srsran_ul_sf_cfg_t* sf,
|
||
|
|
srsran_refsignal_srs_cfg_t* srs_cfg,
|
||
|
|
srsran_pucch_cfg_t* pucch_cfg);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_send_cs(uint32_t subframe_config, uint32_t sf_idx);
|
||
|
|
|
||
|
|
SRSRAN_API int srsran_refsignal_srs_send_ue(uint32_t I_srs, uint32_t tti);
|
||
|
|
|
||
|
|
SRSRAN_API uint32_t srsran_refsignal_srs_rb_start_cs(uint32_t bw_cfg, uint32_t nof_prb);
|
||
|
|
|
||
|
|
SRSRAN_API uint32_t srsran_refsignal_srs_rb_L_cs(uint32_t bw_cfg, uint32_t nof_prb);
|
||
|
|
|
||
|
|
SRSRAN_API uint32_t srsran_refsignal_srs_M_sc(srsran_refsignal_ul_t* q, srsran_refsignal_srs_cfg_t* cfg);
|
||
|
|
|
||
|
|
#endif // SRSRAN_REFSIGNAL_UL_H
|