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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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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/******************************************************************************
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* File: ra_nr.h
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*
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* Description: Implements Resource allocation Procedures common in for DL and UL
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*
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* Reference: 3GPP TS 38.214 version 15.10.0
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*****************************************************************************/
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#ifndef SRSLTE_RA_NR_H
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#define SRSLTE_RA_NR_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "srslte/config.h"
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#include "srslte/phy/common/phy_common_nr.h"
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#include "srslte/phy/phch/pdsch_cfg_nr.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Determines the number of resource elements available for a given PDSCH transmission
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* @param pdsch_cfg PDSCH configuration provided by higher layers
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* @param grant The given PDSCH transmission grant
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* @return The number of resource elements if the provided configuration is valid, otherwise SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_ra_dl_nr_slot_nof_re(const srslte_pdsch_cfg_nr_t* pdsch_cfg,
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const srslte_pdsch_grant_nr_t* grant);
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/**
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* @brief Calculates shared channel TBS
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* @param N_re Number of resource elements
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* @param S TB scaling, used in rare occasions. Set to 1, 0, NAN or INF if unused.
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* @param R Target Rate
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* @param Qm Modulation level
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* @param nof_layers Number of layers
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* @return The transport block size
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*/
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SRSLTE_API uint32_t srslte_ra_nr_tbs(uint32_t N_re, double S, double R, uint32_t Qm, uint32_t nof_layers);
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SRSLTE_API int srslte_ra_nr_fill_tb(const srslte_pdsch_cfg_nr_t* pdsch_cfg,
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const srslte_pdsch_grant_nr_t* grant,
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uint32_t mcs_idx,
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srslte_sch_tb_t* tb);
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#ifdef __cplusplus
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}
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#endif
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#endif // SRSLTE_RA_NR_H
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