srsLTE/lib/include/srsran/phy/phch/pusch.h

131 lines
4.3 KiB
C

/**
*
* \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: pusch.h
*
* Description: Physical uplink shared channel.
*
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 5.3
*****************************************************************************/
#ifndef SRSRAN_PUSCH_H
#define SRSRAN_PUSCH_H
#include "srsran/config.h"
#include "srsran/phy/ch_estimation/refsignal_ul.h"
#include "srsran/phy/common/phy_common.h"
#include "srsran/phy/dft/dft_precoding.h"
#include "srsran/phy/mimo/layermap.h"
#include "srsran/phy/mimo/precoding.h"
#include "srsran/phy/modem/demod_soft.h"
#include "srsran/phy/modem/evm.h"
#include "srsran/phy/modem/mod.h"
#include "srsran/phy/phch/dci.h"
#include "srsran/phy/phch/pusch_cfg.h"
#include "srsran/phy/phch/regs.h"
#include "srsran/phy/phch/sch.h"
#include "srsran/phy/scrambling/scrambling.h"
/* PUSCH object */
typedef struct SRSRAN_API {
srsran_cell_t cell;
bool is_ue;
uint16_t ue_rnti;
uint32_t max_re;
bool llr_is_8bit;
srsran_dft_precoding_t dft_precoding;
/* buffers */
// void buffers are shared for tx and rx
cf_t* ce;
cf_t* z;
cf_t* d;
void* q;
void* g;
/* tx & rx objects */
srsran_modem_table_t mod[SRSRAN_MOD_NITEMS];
srsran_sch_t ul_sch;
// EVM buffer
srsran_evm_buffer_t* evm_buffer;
} srsran_pusch_t;
typedef struct SRSRAN_API {
uint8_t* ptr;
srsran_uci_value_t uci;
} srsran_pusch_data_t;
typedef struct SRSRAN_API {
uint8_t* data;
srsran_uci_value_t uci;
bool crc;
float avg_iterations_block;
float evm;
float epre_dbfs;
} srsran_pusch_res_t;
SRSRAN_API int srsran_pusch_init_ue(srsran_pusch_t* q, uint32_t max_prb);
SRSRAN_API int srsran_pusch_init_enb(srsran_pusch_t* q, uint32_t max_prb);
SRSRAN_API void srsran_pusch_free(srsran_pusch_t* q);
/* These functions modify the state of the object and may take some time */
SRSRAN_API int srsran_pusch_set_cell(srsran_pusch_t* q, srsran_cell_t cell);
/**
* Asserts PUSCH grant attributes are in range
* @param grant Pointer to PUSCH grant
* @return it returns SRSRAN_SUCCESS if the grant is correct, otherwise it returns a SRSRAN_ERROR code
*/
SRSRAN_API int srsran_pusch_assert_grant(const srsran_pusch_grant_t* grant);
/* These functions do not modify the state and run in real-time */
SRSRAN_API int srsran_pusch_encode(srsran_pusch_t* q,
srsran_ul_sf_cfg_t* sf,
srsran_pusch_cfg_t* cfg,
srsran_pusch_data_t* data,
cf_t* sf_symbols);
SRSRAN_API int srsran_pusch_decode(srsran_pusch_t* q,
srsran_ul_sf_cfg_t* sf,
srsran_pusch_cfg_t* cfg,
srsran_chest_ul_res_t* channel,
cf_t* sf_symbols,
srsran_pusch_res_t* data);
SRSRAN_API uint32_t srsran_pusch_grant_tx_info(srsran_pusch_grant_t* grant,
srsran_uci_cfg_t* uci_cfg,
srsran_uci_value_t* uci_data,
char* str,
uint32_t str_len);
SRSRAN_API uint32_t srsran_pusch_tx_info(srsran_pusch_cfg_t* cfg,
srsran_uci_value_t* uci_data,
char* str,
uint32_t str_len);
SRSRAN_API uint32_t srsran_pusch_rx_info(srsran_pusch_cfg_t* cfg,
srsran_pusch_res_t* res,
srsran_chest_ul_res_t* chest_res,
char* str,
uint32_t str_len);
#endif // SRSRAN_PUSCH_H