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97 lines
3.2 KiB
C
97 lines
3.2 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_UCI_NR_H
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#define SRSLTE_UCI_NR_H
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#include "srslte/phy/fec/crc.h"
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#include "srslte/phy/fec/polar/polar_code.h"
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#include "srslte/phy/fec/polar/polar_decoder.h"
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#include "srslte/phy/fec/polar/polar_encoder.h"
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#include "srslte/phy/fec/polar/polar_rm.h"
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#include "srslte/phy/phch/pucch_cfg_nr.h"
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#include "uci_cfg.h"
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#include "uci_cfg_nr.h"
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#include <stdbool.h>
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#include <stdint.h>
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typedef struct {
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bool disable_simd;
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} srslte_uci_nr_args_t;
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typedef struct {
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srslte_polar_rm_t rm;
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srslte_polar_encoder_t encoder;
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srslte_polar_decoder_t decoder;
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srslte_crc_t crc6;
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srslte_crc_t crc11;
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srslte_polar_code_t code;
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uint8_t* bit_sequence; ///< UCI bit sequence
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uint8_t* c; ///< UCI code-block prior encoding or after decoding
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uint8_t* allocated; ///< Polar code intermediate
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uint8_t* d; ///< Polar code encoded intermediate
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} srslte_uci_nr_t;
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/**
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* @brief Initialises NR-UCI encoder/decoder object
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* @param[in,out] q NR-UCI object
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* @param[in] args Configuration arguments
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* @return SRSLTE_SUCCESS if initialization is successful, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_uci_nr_init(srslte_uci_nr_t* q, const srslte_uci_nr_args_t* args);
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/**
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* @brief Deallocates NR-UCI encoder/decoder object
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* @param[in,out] q NR-UCI object
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*/
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SRSLTE_API void srslte_uci_nr_free(srslte_uci_nr_t* q);
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/**
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* @brief Encodes UCI bits
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*
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* @attention Compatible only with PUCCH formats 2, 3 and 4
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*
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* @remark Defined in TS 38.212 section 6.3.1.1
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*
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* @param[in,out] q NR-UCI object
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* @param[in] pucch_cfg Higher layers PUCCH configuration
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* @param[in] uci_cfg UCI configuration
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* @param[in] uci_value UCI values
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* @param[out] o Output encoded bits
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* @return Number of encoded bits if encoding is successful, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_uci_nr_encode_pucch(srslte_uci_nr_t* q,
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const srslte_pucch_nr_resource_t* pucch_resource,
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const srslte_uci_cfg_nr_t* uci_cfg,
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const srslte_uci_value_nr_t* value,
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uint8_t* o);
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/**
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* @brief Decoder UCI bits
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*
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* @attention Compatible only with PUCCH formats 2, 3 and 4
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*
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* @param[in,out] q NR-UCI object
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* @param[in] pucch_resource_cfg
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* @param[in] uci_cfg
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* @param[in] llr
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* @param[out] value
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* @return SRSLTE_SUCCESSFUL if it is successful, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_uci_nr_decode_pucch(srslte_uci_nr_t* q,
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const srslte_pucch_nr_resource_t* pucch_resource_cfg,
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const srslte_uci_cfg_nr_t* uci_cfg,
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const int8_t* llr,
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srslte_uci_value_nr_t* value);
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#endif // SRSLTE_UCI_NR_H
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