mirror of https://github.com/PentHertz/srsLTE.git
140 lines
5.8 KiB
C
140 lines
5.8 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_DCI_NR_H
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#define SRSLTE_DCI_NR_H
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#include "dci.h"
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#include "srslte/phy/common/phy_common_nr.h"
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#include "srslte/phy/phch/phch_cfg_nr.h"
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typedef struct SRSLTE_API {
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srslte_dci_location_t location;
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srslte_search_space_type_t search_space;
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uint32_t coreset_id;
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uint8_t payload[50];
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srslte_rnti_type_t rnti_type;
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uint32_t nof_bits;
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srslte_dci_format_nr_t format;
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uint16_t rnti;
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} srslte_dci_msg_nr_t;
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typedef struct SRSLTE_API {
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uint16_t rnti;
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srslte_rnti_type_t rnti_type;
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srslte_dci_format_nr_t format;
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srslte_dci_location_t location;
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srslte_search_space_type_t search_space;
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uint32_t coreset_id;
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// Common fields
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uint32_t freq_domain_assigment; ///< Frequency domain resource assignment
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uint32_t time_domain_assigment; ///< Time domain resource assignment
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uint32_t vrb_to_prb_mapping; ///< VRB-to-PRB mapping
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uint32_t mcs; ///< Modulation and coding scheme
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uint32_t rv; ///< Redundancy version
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uint32_t reserved; ///< Reserved bits
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// C-RNTI/TC-RNTI specific fields
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uint32_t ndi; ///< New data indicator
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uint32_t pid; ///< HARQ process number
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uint32_t dai; ///< Downlink assignment index
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uint32_t tpc; ///< TPC command for scheduled PUCCH
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uint32_t pucch_resource; ///< PUCCH resource indicator
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uint32_t harq_feedback; ///< PDSCH-to-HARQ_feedback timing indicator
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// P-RNTI specific fields
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uint32_t smi; ///< Short Messages Indicator
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uint32_t sm; ///< Short Messages
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uint32_t tb_scaling; ///< TB scaling
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// SI-RNTI specific fields
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uint32_t sii; ///< System information indicator
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} srslte_dci_dl_nr_t;
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typedef struct SRSLTE_API {
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// Context information
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uint16_t rnti;
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srslte_rnti_type_t rnti_type;
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srslte_dci_format_nr_t format;
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srslte_dci_location_t location;
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srslte_search_space_type_t search_space;
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uint32_t coreset_id;
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// Common fields
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uint32_t freq_domain_assigment; ///< Frequency domain resource assignment
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uint32_t time_domain_assigment; ///< Time domain resource assignment
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uint32_t freq_hopping_flag; ///< Frequency hopping flag
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uint32_t mcs; ///< Modulation and coding scheme
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uint32_t rv; ///< Redundancy version
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uint32_t reserved; ///< Reserved bits
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// C-RNTI or CS-RNTI or MCS-C-RNTI
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uint32_t ndi; ///< New data indicator
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uint32_t pid; ///< HARQ process number
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uint32_t tpc; ///< TPC command for scheduled PUCCH
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uint32_t pucch_resource; ///< PUCCH resource indicator
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uint32_t harq_feedback; ///< PDSCH-to-HARQ_feedback timing indicator
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// Frequency hopping
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uint32_t frequency_offset; ///< frequency offset
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} srslte_dci_ul_nr_t;
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/**
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* @brief Indicates whether the provided DCI message format bit indicator belongs to DCI format 1_0 according according
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* to the RNTI type. If invalid, the DCI message is likely to be format 0_0
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* @param dci_msg Provides DCI format 1_0 message
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* @return true if the DCI message is format 1_0, false otherwise
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*/
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SRSLTE_API bool srslte_dci_nr_format_1_0_valid(const srslte_dci_msg_nr_t* dci_msg);
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SRSLTE_API int srslte_dci_nr_pack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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const srslte_dci_dl_nr_t* dci,
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srslte_dci_msg_nr_t* msg);
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SRSLTE_API int srslte_dci_nr_format_0_0_sizeof(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_rnti_type_t rnti_type);
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SRSLTE_API int srslte_dci_nr_format_0_0_pack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset0,
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const srslte_dci_ul_nr_t* dci,
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srslte_dci_msg_nr_t* msg);
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SRSLTE_API int srslte_dci_nr_format_0_0_unpack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_dci_msg_nr_t* msg,
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srslte_dci_ul_nr_t* dci);
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SRSLTE_API int srslte_dci_nr_format_1_0_sizeof(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_rnti_type_t rnti_type);
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SRSLTE_API int srslte_dci_nr_format_1_0_pack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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const srslte_dci_dl_nr_t* dci,
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srslte_dci_msg_nr_t* msg);
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SRSLTE_API int srslte_dci_nr_format_1_0_unpack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_dci_msg_nr_t* msg,
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srslte_dci_dl_nr_t* dci);
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SRSLTE_API int srslte_dci_ul_nr_to_str(const srslte_dci_ul_nr_t* dci, char* str, uint32_t str_len);
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SRSLTE_API int srslte_dci_dl_nr_to_str(const srslte_dci_dl_nr_t* dci, char* str, uint32_t str_len);
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#endif // SRSLTE_DCI_NR_H
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