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112 lines
4.6 KiB
C
112 lines
4.6 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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/******************************************************************************
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* @file ue_dl_nr.h
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*
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* Description: NR UE uplink physical layer procedures for data
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*
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* This module is a frontend to all the uplink data channel processing modules.
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*
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* Reference:
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*****************************************************************************/
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#ifndef SRSRAN_UE_UL_DATA_H
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#define SRSRAN_UE_UL_DATA_H
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#include "srsran/phy/ch_estimation/dmrs_sch.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/phch_cfg_nr.h"
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#include "srsran/phy/phch/pucch_cfg_nr.h"
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#include "srsran/phy/phch/pucch_nr.h"
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#include "srsran/phy/phch/pusch_nr.h"
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typedef struct SRSRAN_API {
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srsran_pusch_nr_args_t pusch;
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srsran_pucch_nr_args_t pucch;
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uint32_t nof_max_prb;
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} srsran_ue_ul_nr_args_t;
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typedef struct SRSRAN_API {
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uint32_t max_prb;
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srsran_carrier_nr_t carrier;
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srsran_ofdm_t ifft;
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cf_t* sf_symbols[SRSRAN_MAX_PORTS];
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srsran_pusch_nr_t pusch;
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srsran_pucch_nr_t pucch;
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srsran_dmrs_sch_t dmrs;
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float freq_offset_hz;
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} srsran_ue_ul_nr_t;
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SRSRAN_API int srsran_ue_ul_nr_init(srsran_ue_ul_nr_t* q, cf_t* output, const srsran_ue_ul_nr_args_t* args);
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SRSRAN_API int srsran_ue_ul_nr_set_carrier(srsran_ue_ul_nr_t* q, const srsran_carrier_nr_t* carrier);
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SRSRAN_API void srsran_ue_ul_nr_set_freq_offset(srsran_ue_ul_nr_t* q, float freq_offset_hz);
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SRSRAN_API int srsran_ue_ul_nr_encode_pusch(srsran_ue_ul_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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const srsran_sch_cfg_nr_t* pusch_cfg,
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const srsran_pusch_data_nr_t* data);
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SRSRAN_API int srsran_ue_ul_nr_encode_pucch(srsran_ue_ul_nr_t* q,
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const srsran_slot_cfg_t* slot_cfg,
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const srsran_pucch_nr_common_cfg_t* cfg,
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const srsran_pucch_nr_resource_t* resource,
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const srsran_uci_data_nr_t* uci_data);
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SRSRAN_API void srsran_ue_ul_nr_free(srsran_ue_ul_nr_t* q);
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SRSRAN_API int srsran_ue_ul_nr_pusch_info(const srsran_ue_ul_nr_t* q,
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const srsran_sch_cfg_nr_t* cfg,
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const srsran_uci_value_nr_t* uci_value,
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char* str,
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uint32_t str_len);
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SRSRAN_API int srsran_ue_ul_nr_pucch_info(const srsran_pucch_nr_resource_t* resource,
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const srsran_uci_data_nr_t* uci_data,
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char* str,
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uint32_t str_len);
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/**
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* @brief Decides whether the provided slot index within the radio frame is a SR transmission opportunity
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*
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* @remark Implemented according to TS 38.213 9.2.4 UE procedure for reporting SR
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*
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* @param sr_resources Provides the SR configuration from the upper layers
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* @param slot_idx Slot index in the radio frame
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* @param[out] sr_resource_id Optional SR resource index (or identifier)
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*
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* @return the number of SR opportunities if the provided slot index is a SR transmission opportunity, SRSRAN_ERROR code
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* if provided parameters are invalid
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*/
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SRSRAN_API int
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srsran_ue_ul_nr_sr_send_slot(const srsran_pucch_nr_sr_resource_t sr_resources[SRSRAN_PUCCH_MAX_NOF_SR_RESOURCES],
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uint32_t slot_idx,
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uint32_t sr_resource_id[SRSRAN_PUCCH_MAX_NOF_SR_RESOURCES]);
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#endif // SRSRAN_UE_UL_DATA_H
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