/** * 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/. * */ #ifndef SRSRAN_PHY_CFG_NR_H #define SRSRAN_PHY_CFG_NR_H #include "srsran/config.h" #include "srsran/srsran.h" #include #include #include namespace srsran { /*************************** * PHY Config **************************/ struct phy_cfg_nr_t { /** * SSB configuration */ struct ssb_cfg_t { uint32_t periodicity_ms = 0; std::array position_in_burst = {}; srsran_subcarrier_spacing_t scs = srsran_subcarrier_spacing_30kHz; srsran_ssb_patern_t pattern = SRSRAN_SSB_PATTERN_A; }; srsran_duplex_config_nr_t duplex = {}; srsran_sch_hl_cfg_nr_t pdsch = {}; srsran_sch_hl_cfg_nr_t pusch = {}; srsran_pucch_nr_hl_cfg_t pucch = {}; srsran_prach_cfg_t prach = {}; srsran_pdcch_cfg_nr_t pdcch = {}; srsran_harq_ack_cfg_hl_t harq_ack = {}; srsran_csi_hl_cfg_t csi = {}; srsran_carrier_nr_t carrier = {}; ssb_cfg_t ssb; phy_cfg_nr_t() {} bool carrier_is_equal(const srsran::phy_cfg_nr_t& other) const { return srsran_carrier_nr_equal(&carrier, &other.carrier); } /** * @brief Computes the DCI configuration for the current UE configuration */ srsran_dci_cfg_nr_t get_dci_cfg() const; /** * @brief Asserts that the PDCCH configuration is valid for a given Search Space identifier * @param ss_id Identifier * @return true if the configuration is valid, false otherwise */ bool assert_ss_id(uint32_t ss_id) const; /** * @brief Calculates the DCI location candidates for a given search space and aggregation level * @param slot_idx Slot index * @param rnti UE temporal identifier * @param ss_id Search Space identifier * @param L Aggregation level * @param[out] locations DCI candidate locations * @return true if the configuration is valid, false otherwise */ bool get_dci_locations( const uint32_t& slot_idx, const uint16_t& rnti, const uint32_t& ss_id, const uint32_t& L, srsran::bounded_vector& locations) const; /** * @brief Selects a valid DCI format for scheduling PDSCH and given Search Space identifier * @param ss_id Identifier * @return A valid DCI format if available, SRSRAN_DCI_FORMAT_NR_COUNT otherwise */ srsran_dci_format_nr_t get_dci_format_pdsch(uint32_t ss_id) const; /** * @brief Selects a valid DCI format for scheduling PUSCH and given Search Space identifier * @param ss_id Identifier * @return A valid DCI format if available, SRSRAN_DCI_FORMAT_NR_COUNT otherwise */ srsran_dci_format_nr_t get_dci_format_pusch(uint32_t ss_id) const; /** * @brief Fills PDSCH DCI context for C-RNTI using a search space identifier, DCI candidate location and RNTI */ bool get_dci_ctx_pdsch_rnti_c(uint32_t ss_id, const srsran_dci_location_t& location, const uint16_t& rnti, srsran_dci_ctx_t& ctx) const; /** * @brief Fills PUSCH DCI context for C-RNTI using a search space identifier, DCI candidate location and RNTI */ bool get_dci_ctx_pusch_rnti_c(uint32_t ss_id, const srsran_dci_location_t& location, const uint16_t& rnti, srsran_dci_ctx_t& ctx) const; /** * @brief Get PDSCH configuration for a given slot and DCI */ bool get_pdsch_cfg(const srsran_slot_cfg_t& slot_cfg, const srsran_dci_dl_nr_t& dci, srsran_sch_cfg_nr_t& pdsch_cfg) const; /** * @brief Get PUSCH configuration for a given slot and DCI */ bool get_pusch_cfg(const srsran_slot_cfg_t& slot_cfg, const srsran_dci_ul_nr_t& dci, srsran_sch_cfg_nr_t& pdsch_cfg) const; /** * @brief Get PDSCH ACK resource for a given PDSCH transmission */ bool get_pdsch_ack_resource(const srsran_dci_dl_nr_t& dci_dl, srsran_harq_ack_resource_t& ack_resource) const; /** * @brief Compute UCI configuration for the given slot from the pending PDSCH ACK resources, periodic CSI, * periodic SR resources and so on. */ bool get_uci_cfg(const srsran_slot_cfg_t& slot_cfg, const srsran_pdsch_ack_nr_t& pdsch_ack, srsran_uci_cfg_nr_t& uci_cfg) const; /** * @brief Compute UCI configuration for PUCCH for the given slot from the pending PDSCH ACK resources, periodic CSI, * periodic SR resources and so on. */ bool get_pucch_uci_cfg(const srsran_slot_cfg_t& slot_cfg, const srsran_uci_cfg_nr_t& uci_cfg, srsran_pucch_nr_common_cfg_t& cfg, srsran_pucch_nr_resource_t& resource) const; /** * @brief Compute UCI configuration for PUSCH for the given slot from the pending PDSCH ACK resources, periodic CSI, * periodic SR resources and so on. */ bool get_pusch_uci_cfg(const srsran_slot_cfg_t& slot_cfg, const srsran_uci_cfg_nr_t& uci_cfg, srsran_sch_cfg_nr_t& pusch_cfg) const; /** * @brief Generate SSB configuration from the overall configuration * @attention Sampling rate is the only parameter missing * @return valid SSB configuration */ srsran_ssb_cfg_t get_ssb_cfg() const; }; } // namespace srsran #endif // SRSRAN_PHY_CFG_NR_H