mirror of https://github.com/PentHertz/srsLTE.git
106 lines
4.1 KiB
C
106 lines
4.1 KiB
C
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSRAN_GNB_DL_H
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#define SRSRAN_GNB_DL_H
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#include "srsran/phy/ch_estimation/csi_rs.h"
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#include "srsran/phy/common/phy_common_nr.h"
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#include "srsran/phy/dft/ofdm.h"
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#include "srsran/phy/phch/pdcch_cfg_nr.h"
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#include "srsran/phy/phch/pdcch_nr.h"
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#include "srsran/phy/phch/pdsch_nr.h"
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#include "srsran/phy/sync/ssb.h"
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typedef struct SRSRAN_API {
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srsran_pdsch_nr_args_t pdsch;
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srsran_pdcch_nr_args_t pdcch;
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uint32_t nof_tx_antennas;
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uint32_t nof_max_prb; ///< Maximum number of allocated RB
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double srate_hz; ///< Fix sampling rate, set to 0 for minimum to fit nof_max_prb
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srsran_subcarrier_spacing_t scs;
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} srsran_gnb_dl_args_t;
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typedef struct SRSRAN_API {
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float srate_hz;
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uint32_t symbol_sz;
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uint32_t max_prb;
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uint32_t nof_tx_antennas;
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srsran_carrier_nr_t carrier;
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srsran_pdcch_cfg_nr_t pdcch_cfg;
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srsran_ofdm_t fft[SRSRAN_MAX_PORTS];
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cf_t* sf_symbols[SRSRAN_MAX_PORTS];
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srsran_pdsch_nr_t pdsch;
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srsran_dmrs_sch_t dmrs;
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srsran_dci_nr_t dci; ///< Stores DCI configuration
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srsran_pdcch_nr_t pdcch;
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srsran_ssb_t ssb;
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} srsran_gnb_dl_t;
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SRSRAN_API int srsran_gnb_dl_init(srsran_gnb_dl_t* q, cf_t* output[SRSRAN_MAX_PORTS], const srsran_gnb_dl_args_t* args);
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SRSRAN_API int srsran_gnb_dl_set_carrier(srsran_gnb_dl_t* q, const srsran_carrier_nr_t* carrier);
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SRSRAN_API int srsran_gnb_dl_set_ssb_config(srsran_gnb_dl_t* q, const srsran_ssb_cfg_t* ssb);
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SRSRAN_API int srsran_gnb_dl_set_pdcch_config(srsran_gnb_dl_t* q,
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const srsran_pdcch_cfg_nr_t* cfg,
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const srsran_dci_cfg_nr_t* dci_cfg);
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SRSRAN_API void srsran_gnb_dl_free(srsran_gnb_dl_t* q);
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SRSRAN_API int srsran_gnb_dl_base_zero(srsran_gnb_dl_t* q);
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SRSRAN_API void srsran_gnb_dl_gen_signal(srsran_gnb_dl_t* q);
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SRSRAN_API int srsran_gnb_dl_add_ssb(srsran_gnb_dl_t* q, const srsran_pbch_msg_nr_t* pbch_msg, uint32_t sf_idx);
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SRSRAN_API int
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srsran_gnb_dl_pdcch_put_dl(srsran_gnb_dl_t* q, const srsran_slot_cfg_t* slot_cfg, const srsran_dci_dl_nr_t* dci_dl);
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SRSRAN_API int
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srsran_gnb_dl_pdcch_put_ul(srsran_gnb_dl_t* q, const srsran_slot_cfg_t* slot_cfg, const srsran_dci_ul_nr_t* dci_ul);
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SRSRAN_API int srsran_gnb_dl_pdsch_put(srsran_gnb_dl_t* q,
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const srsran_slot_cfg_t* slot,
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const srsran_sch_cfg_nr_t* cfg,
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uint8_t* data[SRSRAN_MAX_TB]);
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SRSRAN_API float srsran_gnb_dl_get_maximum_signal_power_dBfs(uint32_t nof_prb);
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SRSRAN_API int
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srsran_gnb_dl_pdsch_info(const srsran_gnb_dl_t* q, const srsran_sch_cfg_nr_t* cfg, char* str, uint32_t str_len);
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SRSRAN_API int
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srsran_gnb_dl_pdcch_dl_info(const srsran_gnb_dl_t* q, const srsran_dci_dl_nr_t* dci, char* str, uint32_t str_len);
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SRSRAN_API int
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srsran_gnb_dl_pdcch_ul_info(const srsran_gnb_dl_t* q, const srsran_dci_ul_nr_t* dci, char* str, uint32_t str_len);
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SRSRAN_API int srsran_gnb_dl_nzp_csi_rs_put(srsran_gnb_dl_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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const srsran_csi_rs_nzp_resource_t* resource);
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#endif // SRSRAN_GNB_DL_H
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