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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
4 years ago
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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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#ifndef SRSLTE_ZC_SEQUENCE_H
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#define SRSLTE_ZC_SEQUENCE_H
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#include "srslte/config.h"
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#include <stdbool.h>
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#include <stdint.h>
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/**
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* @brief Generates ZC sequences given the required parameters used in the TS 36 series (LTE)
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*
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* @remark Implemented as defined in TS 36.211 section 5.5.1 Generation of the reference signal sequence
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*
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* @param[in] u Group number {0,1,...29}
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* @param[in] v Base sequence
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* @param[in] alpha Phase shift
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* @param[in] nof_prb Number of PRB
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* @param[out] sequence Output sequence
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* @return SRSLTE_SUCCESS if the generation is successful, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int srslte_zc_sequence_generate_lte(uint32_t u, uint32_t v, float alpha, uint32_t nof_prb, cf_t* sequence);
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/**
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* @brief Generates ZC sequences given the required parameters used in the TS 38 series (NR)
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*
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* @remark Implemented as defined in TS 38.211 section 5.2.2 Low-PAPR sequence generation
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* @param u Group number {0,1,...29}
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* @param v base sequence
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* @param alpha Phase shift
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* @param m Number of PRB
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* @param delta Delta parameter described in specification
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* @param sequence Output sequence
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* @return SRSLTE_SUCCESS if the generation is successful, SRSLTE_ERROR code otherwise
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*/
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SRSLTE_API int
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srslte_zc_sequence_generate_nr(uint32_t u, uint32_t v, float alpha, uint32_t m, uint32_t delta, cf_t* sequence);
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#endif // SRSLTE_ZC_SEQUENCE_H
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