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56 lines
1.9 KiB
C
56 lines
1.9 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 SRSLTE_CHEST_COMMON_H
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#define SRSLTE_CHEST_COMMON_H
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#include <stdint.h>
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#include "srslte/config.h"
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#define SRSLTE_CHEST_MAX_SMOOTH_FIL_LEN 65
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SRSLTE_API void srslte_chest_average_pilots(cf_t *input,
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cf_t *output,
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float *filter,
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uint32_t nof_ref,
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uint32_t nof_symbols,
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uint32_t filter_len);
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SRSLTE_API void srslte_chest_set_smooth_filter3_coeff(float *smooth_filter,
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float w);
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SRSLTE_API float srslte_chest_estimate_noise_pilots(cf_t *noisy,
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cf_t *noiseless,
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cf_t *noise_vec,
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uint32_t nof_pilots);
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SRSLTE_API void srslte_chest_set_triangle_filter(float *fil,
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int filter_len);
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#endif // SRSLTE_CHEST_COMMON_H
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