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C

/**
* Copyright 2013-2022 Software Radio Systems Limited
*
* This file is part of srsRAN.
*
* srsRAN is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsRAN is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
/******************************************************************************
* File: demod_hard.h
*
* Description: Hard demodulator.
* Supports BPSK, QPSK, 16QAM and 64QAM.
*
* Reference: 3GPP TS 36.211 version 10.0.0 Release 10 Sec. 7.1
*****************************************************************************/
#ifndef SRSRAN_DEMOD_HARD_H
#define SRSRAN_DEMOD_HARD_H
#include <stdint.h>
#include "modem_table.h"
#include "srsran/config.h"
typedef struct SRSRAN_API {
srsran_mod_t mod; /* In this implementation, mapping table is hard-coded */
} srsran_demod_hard_t;
SRSRAN_API void srsran_demod_hard_init(srsran_demod_hard_t* q);
SRSRAN_API void srsran_demod_hard_table_set(srsran_demod_hard_t* q, srsran_mod_t mod);
SRSRAN_API int srsran_demod_hard_demodulate(srsran_demod_hard_t* q, cf_t* symbols, uint8_t* bits, uint32_t nsymbols);
#endif // SRSRAN_DEMOD_HARD_H