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114 lines
5.1 KiB
C
114 lines
5.1 KiB
C
/**
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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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#ifndef SRSLTE_RA_UL_NR_H
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#define SRSLTE_RA_UL_NR_H
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#include "dci_nr.h"
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#include "srslte/config.h"
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#include "srslte/phy/phch/phch_cfg_nr.h"
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#include "srslte/phy/phch/pucch_cfg_nr.h"
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#include "uci_cfg_nr.h"
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/**
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* @brief Calculates the PUSCH time resource allocation and stores it in the provided PUSCH NR grant.
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*
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* @remark Defined by TS 38.214 V15.10.0 section 6.1.2.1.1 Determination of the resource allocation table to be used for
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* PUSCH
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*
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* @param cfg Flattened PUSCH configuration provided from higher layers
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* @param rnti_type Type of the RNTI of the corresponding DCI
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* @param ss_type Type of the SS for PDCCH
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* @param coreset_id CORESET identifier associated with the PDCCH transmission
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* @param m Time domain resource assignment field value m provided in DCI
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* @param[out] Provides grant pointer to fill
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* @return Returns SRSLTE_SUCCESS if the provided allocation is valid, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_ra_ul_nr_time(const srslte_sch_hl_cfg_nr_t* cfg,
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const srslte_rnti_type_t rnti_type,
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const srslte_search_space_type_t ss_type,
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const uint32_t coreset_id,
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const uint8_t m,
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srslte_sch_grant_nr_t* grant);
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/**
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* @brief Calculates the PUSCH time resource default A and stores it in the provided PUSCH NR grant.
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*
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* @remark Defined by TS 38.214 V15.10.0 Table 6.1.2.1.1-2: Default PUSCH time domain resource allocation A for normal
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* CP
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*
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* @param scs_cfg Sub-carrier spacing configuration for PUSCH (μ)
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* @param m Time domain resource assignment field value m of the DCI
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* @param[out] grant PUSCH grant
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* @return Returns SRSLTE_SUCCESS if the provided allocation is valid, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int
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srslte_ra_ul_nr_pdsch_time_resource_default_A(uint32_t scs_cfg, uint32_t m, srslte_sch_grant_nr_t* grant);
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/**
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* @brief Calculates the number of PUSCH-DMRS CDM groups without data for DCI format 0_0
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*
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* @remark Defined by TS 38.214 V15.10.0 6.2.2 UE DM-RS transmission procedure
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*
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* @param cfg PUSCH NR configuration by upper layers
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* @param[out] grant Provides grant pointer to fill
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* @return Returns SRSLTE_SUCCESS if the provided data is valid, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_ra_ul_nr_nof_dmrs_cdm_groups_without_data_format_0_0(const srslte_sch_cfg_nr_t* cfg,
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srslte_sch_grant_nr_t* grant);
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/**
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* @brief Calculates the ratio of PUSCH EPRE to DM-RS EPRE
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*
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* @remark Defined by TS 38.214 V15.10.0 Table 6.2.2-1: The ratio of PUSCH EPRE to DM-RS EPRE
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*
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* @param[out] grant Provides grant pointer to fill
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* @return Returns SRSLTE_SUCCESS if the provided data is valid, otherwise it returns SRSLTE_ERROR code
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*/
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SRSLTE_API int srslte_ra_ul_nr_dmrs_power_offset(srslte_sch_grant_nr_t* grant);
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/**
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* @brief Calculates the minimum number of PRB required for transmitting NR-PUCCH Format 2, 3 or 4
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* @remark Based in TS 38.213 9.2.5.1 UE procedure for multiplexing HARQ-ACK or CSI and SR in a PUCCH
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* @return The number of PRB if the provided configuration is valid, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_ra_ul_nr_pucch_format_2_3_min_prb(const srslte_pucch_nr_resource_t* resource,
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const srslte_uci_cfg_nr_t* uci_cfg);
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/**
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* @brief Calculates the PUSCH frequency resource allocation and stores it in the provided PUSCH NR grant.
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*
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* @remark Defined by TS 38.214 V15.10.0 section 5.1.2.2
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* @param carrier Carrier information
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* @param cfg PDSCH NR configuration by upper layers
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* @param dci_dl Unpacked DCI used to schedule the PDSCH grant
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* @param[out] grant Provides grant pointer to fill
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* @return SRSLTE_SUCCESS if the provided data is valid, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_ra_ul_nr_freq(const srslte_carrier_nr_t* carrier,
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const srslte_sch_hl_cfg_nr_t* cfg,
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const srslte_dci_ul_nr_t* dci_ul,
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srslte_sch_grant_nr_t* grant);
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/**
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* @brief Selects a valid PUCCH resource for transmission
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* @param pucch_cfg PUCCH configuration from upper layers
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* @param uci_cfg Uplink Control information configuration (and PDCCH context)
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* @param[out] resource Selected resource for transmitting PUCCH
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* @return SRSLTE_SUCCESS if provided configuration is valid, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_ra_ul_nr_pucch_resource(const srslte_pucch_nr_hl_cfg_t* pucch_cfg,
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const srslte_uci_cfg_nr_t* uci_cfg,
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srslte_pucch_nr_resource_t* resource);
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#endif // SRSLTE_RA_UL_NR_H
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