/** * * \section COPYRIGHT * * Copyright 2013-2020 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. * */ #ifndef SRSLTE_UE_DL_NR_H #define SRSLTE_UE_DL_NR_H #include "srslte/phy/ch_estimation/dmrs_pdcch.h" #include "srslte/phy/common/phy_common_nr.h" #include "srslte/phy/dft/ofdm.h" #include "srslte/phy/phch/dci_nr.h" #include "srslte/phy/phch/pdcch_nr.h" #include "srslte/phy/phch/pdsch_nr.h" #include "srslte/phy/phch/uci_cfg_nr.h" /** * Maximum number of CORESET * @remark Defined in TS 38.331 by maxNrofControlResourceSets-1 */ #define SRSLTE_UE_DL_NR_MAX_NOF_CORESET 12 /** * Maximum number of Search spaces * @remark Defined in TS 38.331 by maxNrofSearchSpaces-1 */ #define SRSLTE_UE_DL_NR_MAX_NOF_SEARCH_SPACE 40 /** * Maximum number of DCI messages to receive */ #define SRSLTE_MAX_DCI_MSG_NR 4 typedef struct SRSLTE_API { srslte_pdsch_nr_args_t pdsch; srslte_pdcch_nr_args_t pdcch; uint32_t nof_rx_antennas; uint32_t nof_max_prb; float pdcch_dmrs_corr_thr; float pdcch_dmrs_epre_thr; } srslte_ue_dl_nr_args_t; typedef struct SRSLTE_API { srslte_coreset_t coreset[SRSLTE_UE_DL_NR_MAX_NOF_CORESET]; ///< PDCCH Control resource sets (CORESET) collection bool coreset_present[SRSLTE_UE_DL_NR_MAX_NOF_CORESET]; ///< CORESET present flags srslte_search_space_t search_space[SRSLTE_UE_DL_NR_MAX_NOF_SEARCH_SPACE]; bool search_space_present[SRSLTE_UE_DL_NR_MAX_NOF_SEARCH_SPACE]; uint16_t ra_rnti; ///< Needs to be deduced from the PRACH configuration srslte_search_space_t ra_search_space; bool ra_search_space_present; } srslte_ue_dl_nr_pdcch_cfg_t; typedef struct { uint32_t scell_idx; ///< Serving cell index uint32_t v_dai_dl; ///< Downlink Assigment Index bool dci_format_1_1; ///< Set to true if the PDSCH transmission is triggered by a PDCCH DCI format 1_1 transmission uint32_t k1; ///< HARQ feedback timing uint16_t rnti; uint32_t pucch_resource_id; } srslte_pdsch_ack_resource_nr_t; typedef struct { srslte_pdsch_ack_resource_nr_t resource; uint8_t value[SRSLTE_MAX_CODEWORDS]; // 0/1 or 2 for DTX bool present; // set to true if there is a PDSCH on serving cell c associated with PDCCH in PDCCH monitoring occasion // m, or there is a PDCCH indicating SPS PDSCH release on serving cell c bool dl_bwp_changed; // set to true if PDCCH monitoring occasion m is before an active DL BWP change on serving cell c bool ul_bwp_changed; // set to true if an active UL BWP change on the PCell and an active DL BWP change is not // triggered by a DCI format 1_1 in PDCCH monitoring occasion m bool second_tb_present; // set to true if two TB were detected in the PDCCH monitoring occasion m } srslte_pdsch_ack_m_nr_t; #define SRSLTE_UCI_NR_MAX_M 10 typedef struct { uint32_t M; srslte_pdsch_ack_m_nr_t m[SRSLTE_UCI_NR_MAX_M]; } srslte_pdsch_ack_cc_nr_t; typedef struct { srslte_pdsch_ack_cc_nr_t cc[SRSLTE_MAX_CARRIERS]; uint32_t nof_cc; bool use_pusch; // Set to true, if UCI bits are carried by PUSCH } srslte_pdsch_ack_nr_t; typedef struct SRSLTE_API { bool harq_ack_spatial_bundling_pucch; ///< Param harq-ACK-SpatialBundlingPUCCH, set to true if provided bool harq_ack_spatial_bundling_pusch; ///< Param harq-ACK-SpatialBundlingPUSCH, set to true if provided srslte_pdsch_harq_ack_codebook_t pdsch_harq_ack_codebook; ///< pdsch-HARQ-ACK-Codebook configuration bool max_cw_sched_dci_is_2; ///< Param maxNrofCodeWordsScheduledByDCI, set to true if present and equal to 2 uint32_t dl_data_to_ul_ack[SRSLTE_MAX_NOF_DL_DATA_TO_UL]; uint32_t nof_dl_data_to_ul_ack; } srslte_ue_dl_nr_harq_ack_cfg_t; typedef struct SRSLTE_API { uint32_t max_prb; uint32_t nof_rx_antennas; float pdcch_dmrs_corr_thr; float pdcch_dmrs_epre_thr; srslte_carrier_nr_t carrier; srslte_ue_dl_nr_pdcch_cfg_t cfg; srslte_ofdm_t fft[SRSLTE_MAX_PORTS]; cf_t* sf_symbols[SRSLTE_MAX_PORTS]; srslte_chest_dl_res_t chest; srslte_pdsch_nr_t pdsch; srslte_dmrs_sch_t dmrs_pdsch; srslte_dmrs_pdcch_estimator_t dmrs_pdcch[SRSLTE_UE_DL_NR_MAX_NOF_CORESET]; srslte_pdcch_nr_t pdcch; srslte_dmrs_pdcch_ce_t* pdcch_ce; srslte_dci_msg_nr_t pending_ul_dci_msg[SRSLTE_MAX_DCI_MSG_NR]; uint32_t pending_ul_dci_count; } srslte_ue_dl_nr_t; SRSLTE_API int srslte_ue_dl_nr_init(srslte_ue_dl_nr_t* q, cf_t* input[SRSLTE_MAX_PORTS], const srslte_ue_dl_nr_args_t* args); SRSLTE_API int srslte_ue_dl_nr_set_carrier(srslte_ue_dl_nr_t* q, const srslte_carrier_nr_t* carrier); SRSLTE_API int srslte_ue_dl_nr_set_pdcch_config(srslte_ue_dl_nr_t* q, const srslte_ue_dl_nr_pdcch_cfg_t* cfg); SRSLTE_API void srslte_ue_dl_nr_free(srslte_ue_dl_nr_t* q); SRSLTE_API void srslte_ue_dl_nr_estimate_fft(srslte_ue_dl_nr_t* q, const srslte_slot_cfg_t* slot_cfg); SRSLTE_API int srslte_ue_dl_nr_find_dl_dci(srslte_ue_dl_nr_t* q, const srslte_slot_cfg_t* slot_cfg, uint16_t rnti, srslte_rnti_type_t rnti_type, srslte_dci_dl_nr_t* dci_dl_list, uint32_t nof_dci_msg); SRSLTE_API int srslte_ue_dl_nr_find_ul_dci(srslte_ue_dl_nr_t* q, const srslte_slot_cfg_t* slot_cfg, uint16_t rnti, srslte_rnti_type_t rnti_type, srslte_dci_ul_nr_t* dci_ul_list, uint32_t nof_dci_msg); SRSLTE_API int srslte_ue_dl_nr_decode_pdsch(srslte_ue_dl_nr_t* q, const srslte_slot_cfg_t* slot, const srslte_sch_cfg_nr_t* cfg, srslte_pdsch_res_nr_t* res); SRSLTE_API int srslte_ue_dl_nr_pdsch_info(const srslte_ue_dl_nr_t* q, const srslte_sch_cfg_nr_t* cfg, const srslte_pdsch_res_nr_t res[SRSLTE_MAX_CODEWORDS], char* str, uint32_t str_len); SRSLTE_API int srslte_ue_dl_nr_pdsch_ack_resource(const srslte_ue_dl_nr_harq_ack_cfg_t* cfg, const srslte_dci_dl_nr_t* dci_dl, srslte_pdsch_ack_resource_nr_t* pdsch_ack_resource); SRSLTE_API int srslte_ue_dl_nr_gen_ack(const srslte_ue_dl_nr_harq_ack_cfg_t* cfg, const srslte_pdsch_ack_nr_t* ack_info, srslte_uci_data_nr_t* uci_data); #endif // SRSLTE_UE_DL_NR_H