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.
116 lines
5.1 KiB
C
116 lines
5.1 KiB
C
/**
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN 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.
|
|
*
|
|
* srsRAN 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: pdsch_nr.h
|
|
*
|
|
* Description: Physical downlink shared channel for NR
|
|
*
|
|
* Reference: 3GPP TS 38.211 V15.8.0 Sec. 7.3.1
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSRAN_PDSCH_NR_H
|
|
#define SRSRAN_PDSCH_NR_H
|
|
|
|
#include "srsran/config.h"
|
|
#include "srsran/phy/ch_estimation/dmrs_sch.h"
|
|
#include "srsran/phy/modem/evm.h"
|
|
#include "srsran/phy/modem/modem_table.h"
|
|
#include "srsran/phy/phch/phch_cfg_nr.h"
|
|
#include "srsran/phy/phch/regs.h"
|
|
#include "srsran/phy/phch/sch_nr.h"
|
|
#include "srsran/phy/scrambling/scrambling.h"
|
|
|
|
/**
|
|
* @brief PDSCH encoder and decoder initialization arguments
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
srsran_sch_nr_args_t sch;
|
|
bool measure_evm;
|
|
bool measure_time;
|
|
uint32_t max_prb;
|
|
uint32_t max_layers;
|
|
} srsran_pdsch_nr_args_t;
|
|
|
|
/**
|
|
* @brief PDSCH NR object
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
uint32_t max_prb; ///< Maximum number of allocated prb
|
|
uint32_t max_layers; ///< Maximum number of allocated layers
|
|
uint32_t max_cw; ///< Maximum number of allocated code words
|
|
srsran_carrier_nr_t carrier; ///< NR carrier configuration
|
|
srsran_sch_nr_t sch; ///< SCH Encoder/Decoder Object
|
|
uint8_t* b[SRSRAN_MAX_CODEWORDS]; ///< SCH Encoded and scrambled data
|
|
cf_t* d[SRSRAN_MAX_CODEWORDS]; ///< PDSCH modulated bits
|
|
cf_t* x[SRSRAN_MAX_LAYERS_NR]; ///< PDSCH modulated bits
|
|
srsran_modem_table_t modem_tables[SRSRAN_MOD_NITEMS]; ///< Modulator tables
|
|
srsran_evm_buffer_t* evm_buffer;
|
|
bool meas_time_en;
|
|
uint32_t meas_time_us;
|
|
srsran_re_pattern_t dmrs_re_pattern;
|
|
uint32_t nof_rvd_re;
|
|
} srsran_pdsch_nr_t;
|
|
|
|
/**
|
|
* @brief Groups NR-PDSCH data for reception
|
|
*/
|
|
typedef struct {
|
|
srsran_sch_tb_res_nr_t tb[SRSRAN_MAX_TB]; ///< SCH payload
|
|
float evm[SRSRAN_MAX_CODEWORDS]; ///< EVM measurement if configured through arguments
|
|
} srsran_pdsch_res_nr_t;
|
|
|
|
SRSRAN_API int srsran_pdsch_nr_init_enb(srsran_pdsch_nr_t* q, const srsran_pdsch_nr_args_t* args);
|
|
|
|
SRSRAN_API int srsran_pdsch_nr_init_ue(srsran_pdsch_nr_t* q, const srsran_pdsch_nr_args_t* args);
|
|
|
|
SRSRAN_API void srsran_pdsch_nr_free(srsran_pdsch_nr_t* q);
|
|
|
|
SRSRAN_API int srsran_pdsch_nr_set_carrier(srsran_pdsch_nr_t* q, const srsran_carrier_nr_t* carrier);
|
|
|
|
SRSRAN_API int srsran_pdsch_nr_encode(srsran_pdsch_nr_t* q,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
const srsran_sch_grant_nr_t* grant,
|
|
uint8_t* data[SRSRAN_MAX_TB],
|
|
cf_t* sf_symbols[SRSRAN_MAX_PORTS]);
|
|
|
|
SRSRAN_API int srsran_pdsch_nr_decode(srsran_pdsch_nr_t* q,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
const srsran_sch_grant_nr_t* grant,
|
|
srsran_chest_dl_res_t* channel,
|
|
cf_t* sf_symbols[SRSRAN_MAX_PORTS],
|
|
srsran_pdsch_res_nr_t* res);
|
|
|
|
SRSRAN_API uint32_t srsran_pdsch_nr_rx_info(const srsran_pdsch_nr_t* q,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
const srsran_sch_grant_nr_t* grant,
|
|
const srsran_pdsch_res_nr_t* res,
|
|
char* str,
|
|
uint32_t str_len);
|
|
|
|
SRSRAN_API uint32_t srsran_pdsch_nr_tx_info(const srsran_pdsch_nr_t* q,
|
|
const srsran_sch_cfg_nr_t* cfg,
|
|
const srsran_sch_grant_nr_t* grant,
|
|
char* str,
|
|
uint32_t str_len);
|
|
|
|
#endif // SRSRAN_PDSCH_NR_H
|