59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef CP_
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#define CP_
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#include <stdint.h>
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#include <complex.h>
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#include "srslte/config.h"
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typedef struct {
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cf_t *corr;
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uint32_t symbol_sz;
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uint32_t max_symbol_sz;
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} srslte_cp_synch_t;
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SRSLTE_API int srslte_cp_synch_init(srslte_cp_synch_t *q,
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uint32_t symbol_sz);
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SRSLTE_API void srslte_cp_synch_free(srslte_cp_synch_t *q);
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SRSLTE_API int srslte_cp_synch_resize(srslte_cp_synch_t *q,
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uint32_t symbol_sz);
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SRSLTE_API uint32_t srslte_cp_synch(srslte_cp_synch_t *q,
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cf_t *input,
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uint32_t max_offset,
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uint32_t nof_symbols,
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uint32_t cp_len);
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SRSLTE_API cf_t srslte_cp_synch_corr_output(srslte_cp_synch_t *q,
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uint32_t offset);
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#endif // CP_
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