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C

/**
* Copyright 2013-2021 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 polar_chanalloc.h
* \brief Declaration of the subchannel allocation block.
* \author Jesus Gomez
* \date 2020
*
* \copyright Software Radio Systems Limited
*
*
*/
#ifndef SRSRAN_CHANALLOC_H
#define SRSRAN_CHANALLOC_H
#include "srsran/config.h"
#include "stdint.h"
/*!
* Allocates message bits (data + CRC) to the encoder input bit vector at the
* positions specified in \a K_set\\PC_set, computes and allocates the PC bits and
* zeros to the remaining positions.
* \param[in] message A pointer to the vector with the message bits (data and CRC).
* \param[out] input_encoder A pointer to the encoder input bit vector.
* \param[in] N The codeword length.
* \param[in] K Number of data + CRC bits.
* \param[in] nPC Number of parity check (PC) bits.
* \param[in] K_set Pointer to the indices of the encoder input vector containing.
* \param[in] PC_set Pointer to the indices of the parity check bits.
*/
void srsran_polar_chanalloc_tx(const uint8_t* message,
uint8_t* input_encoder,
const uint16_t N,
const uint16_t K,
const uint8_t nPC,
const uint16_t* K_set,
const uint16_t* PC_set);
/*!
* Extracts message bits (data + CRC) from the decoder output vector
* according to the positions specified in \a K_set\\PC_set.
* \param[in] output_decoder A pointer to the decoder output bit vector.
* \param[out] message A pointer to the vector with the message bits (data and CRC).
* \param[in] K Number of data + CRC bits.
* \param[in] nPC Number of parity check (PC) bits.
* \param[in] K_set Pointer to the indices of the encoder input vector containing.
* \param[in] PC_set Pointer to the indices of the parity check bits.
*/
void srsran_polar_chanalloc_rx(const uint8_t* output_decoder,
uint8_t* message,
const uint16_t K,
const uint8_t nPC,
const uint16_t* K_set,
const uint16_t* PC_set);
#endif // SRSRAN_CHANALLOC_H