mirror of https://github.com/PentHertz/srsLTE.git
134 lines
5.3 KiB
C
134 lines
5.3 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_UE_DL_NR_H
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#define SRSRAN_UE_DL_NR_H
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#include "srsran/phy/ch_estimation/csi_rs.h"
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#include "srsran/phy/ch_estimation/dmrs_pdcch.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/csi.h"
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#include "srsran/phy/phch/dci_nr.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/phch/uci_cfg_nr.h"
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/**
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* Maximum number of DCI messages to receive
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*/
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#define SRSRAN_MAX_DCI_MSG_NR 4
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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_rx_antennas;
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uint32_t nof_max_prb;
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float pdcch_dmrs_corr_thr;
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float pdcch_dmrs_epre_thr;
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} srsran_ue_dl_nr_args_t;
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typedef struct SRSRAN_API {
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srsran_dci_ctx_t dci_ctx;
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srsran_dmrs_pdcch_measure_t measure;
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srsran_pdcch_nr_res_t result;
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uint32_t nof_bits;
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} srsran_ue_dl_nr_pdcch_info_t;
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typedef struct SRSRAN_API {
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uint32_t max_prb;
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uint32_t nof_rx_antennas;
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float pdcch_dmrs_corr_thr;
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float pdcch_dmrs_epre_thr;
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srsran_carrier_nr_t carrier;
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srsran_pdcch_cfg_nr_t 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_chest_dl_res_t chest;
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srsran_pdsch_nr_t pdsch;
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srsran_dmrs_sch_t dmrs_pdsch;
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srsran_dmrs_pdcch_estimator_t dmrs_pdcch[SRSRAN_UE_DL_NR_MAX_NOF_CORESET];
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srsran_pdcch_nr_t pdcch;
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srsran_dmrs_pdcch_ce_t* pdcch_ce;
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/// Store Blind-search information from all possible candidate locations for debug purposes
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srsran_ue_dl_nr_pdcch_info_t pdcch_info[SRSRAN_MAX_NOF_CANDIDATES_SLOT_NR];
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uint32_t pdcch_info_count;
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/// DCI packing/unpacking object
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srsran_dci_nr_t dci;
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/// Temporally stores Found DCI messages from all SS
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srsran_dci_msg_nr_t dl_dci_msg[SRSRAN_MAX_DCI_MSG_NR];
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uint32_t dl_dci_msg_count;
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srsran_dci_msg_nr_t ul_dci_msg[SRSRAN_MAX_DCI_MSG_NR];
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uint32_t ul_dci_count;
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} srsran_ue_dl_nr_t;
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SRSRAN_API int
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srsran_ue_dl_nr_init(srsran_ue_dl_nr_t* q, cf_t* input[SRSRAN_MAX_PORTS], const srsran_ue_dl_nr_args_t* args);
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SRSRAN_API int srsran_ue_dl_nr_set_carrier(srsran_ue_dl_nr_t* q, const srsran_carrier_nr_t* carrier);
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SRSRAN_API int srsran_ue_dl_nr_set_pdcch_config(srsran_ue_dl_nr_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_ue_dl_nr_free(srsran_ue_dl_nr_t* q);
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SRSRAN_API void srsran_ue_dl_nr_estimate_fft(srsran_ue_dl_nr_t* q, const srsran_slot_cfg_t* slot_cfg);
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SRSRAN_API int srsran_ue_dl_nr_find_dl_dci(srsran_ue_dl_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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uint16_t rnti,
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srsran_rnti_type_t rnti_type,
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srsran_dci_dl_nr_t* dci_dl_list,
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uint32_t nof_dci_msg);
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SRSRAN_API int srsran_ue_dl_nr_find_ul_dci(srsran_ue_dl_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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uint16_t rnti,
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srsran_rnti_type_t rnti_type,
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srsran_dci_ul_nr_t* dci_ul_list,
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uint32_t nof_dci_msg);
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SRSRAN_API int srsran_ue_dl_nr_decode_pdsch(srsran_ue_dl_nr_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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srsran_pdsch_res_nr_t* res);
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SRSRAN_API uint32_t srsran_ue_dl_nr_pdsch_info(const srsran_ue_dl_nr_t* q,
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const srsran_sch_cfg_nr_t* cfg,
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const srsran_pdsch_res_nr_t res[SRSRAN_MAX_CODEWORDS],
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char* str,
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uint32_t str_len);
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SRSRAN_API
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int srsran_ue_dl_nr_csi_measure_trs(const srsran_ue_dl_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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const srsran_csi_rs_nzp_set_t* csi_rs_nzp_set,
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srsran_csi_trs_measurements_t* measurement);
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SRSRAN_API
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int srsran_ue_dl_nr_csi_measure_channel(const srsran_ue_dl_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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const srsran_csi_rs_nzp_set_t* csi_rs_nzp_set,
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srsran_csi_channel_measurements_t* measurement);
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#endif // SRSRAN_UE_DL_NR_H
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