2019-04-26 12:27:38 -07:00
|
|
|
/*
|
|
|
|
* Copyright 2013-2019 Software Radio Systems Limited
|
2014-05-13 08:03:39 -07:00
|
|
|
*
|
2019-04-26 12:27:38 -07:00
|
|
|
* This file is part of srsLTE.
|
2014-05-13 08:03:39 -07:00
|
|
|
*
|
2015-03-18 05:31:13 -07:00
|
|
|
* srsLTE is free software: you can redistribute it and/or modify
|
2015-05-08 08:05:40 -07:00
|
|
|
* it under the terms of the GNU Affero General Public License as
|
2014-05-13 08:03:39 -07:00
|
|
|
* published by the Free Software Foundation, either version 3 of
|
|
|
|
* the License, or (at your option) any later version.
|
|
|
|
*
|
2015-03-18 05:31:13 -07:00
|
|
|
* srsLTE is distributed in the hope that it will be useful,
|
2014-05-13 08:03:39 -07:00
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
2015-05-08 08:05:40 -07:00
|
|
|
* GNU Affero General Public License for more details.
|
2014-05-13 08:03:39 -07:00
|
|
|
*
|
2015-05-08 08:05:40 -07:00
|
|
|
* A copy of the GNU Affero General Public License can be found in
|
2014-05-13 08:03:39 -07:00
|
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
|
|
* and at http://www.gnu.org/licenses/.
|
|
|
|
*
|
|
|
|
*/
|
|
|
|
|
2015-04-03 05:49:12 -07:00
|
|
|
/**********************************************************************************************
|
|
|
|
* File: turbocoder.h
|
|
|
|
*
|
|
|
|
* Description: Turbo coder.
|
|
|
|
* Parallel Concatenated Convolutional Code (PCCC) with two 8-state constituent
|
|
|
|
* encoders and one turbo code internal interleaver. The coding rate of turbo
|
|
|
|
* encoder is 1/3.
|
|
|
|
*
|
|
|
|
* Reference: 3GPP TS 36.212 version 10.0.0 Release 10 Sec. 5.1.3.2
|
|
|
|
*********************************************************************************************/
|
|
|
|
|
2018-03-31 10:04:04 -07:00
|
|
|
#ifndef SRSLTE_TURBOCODER_H
|
|
|
|
#define SRSLTE_TURBOCODER_H
|
2014-06-17 03:44:42 -07:00
|
|
|
|
2015-03-18 05:16:28 -07:00
|
|
|
#include "srslte/config.h"
|
2017-05-18 00:48:24 -07:00
|
|
|
#include "srslte/phy/fec/tc_interl.h"
|
2018-07-17 06:33:00 -07:00
|
|
|
#include "srslte/phy/fec/crc.h"
|
2014-05-13 08:03:39 -07:00
|
|
|
|
2015-09-15 02:55:07 -07:00
|
|
|
#define SRSLTE_TCOD_MAX_LEN_CB_BYTES (6144/8)
|
2014-05-13 08:03:39 -07:00
|
|
|
|
2015-03-18 08:05:38 -07:00
|
|
|
#ifndef SRSLTE_TX_NULL
|
|
|
|
#define SRSLTE_TX_NULL 100
|
2015-01-29 16:15:09 -08:00
|
|
|
#endif
|
|
|
|
|
2015-03-18 05:31:13 -07:00
|
|
|
typedef struct SRSLTE_API {
|
2014-07-05 12:00:32 -07:00
|
|
|
uint32_t max_long_cb;
|
2015-09-12 04:27:59 -07:00
|
|
|
uint8_t *temp;
|
2015-03-18 08:05:38 -07:00
|
|
|
} srslte_tcod_t;
|
|
|
|
|
2015-09-15 02:55:07 -07:00
|
|
|
|
|
|
|
/* This structure is used as an output for the LUT version of the encoder.
|
|
|
|
* The encoder produces parity bits only and rate matching will interleave them
|
|
|
|
* with the systematic bits
|
|
|
|
*/
|
|
|
|
|
2015-03-18 08:05:38 -07:00
|
|
|
SRSLTE_API int srslte_tcod_init(srslte_tcod_t *h,
|
|
|
|
uint32_t max_long_cb);
|
|
|
|
|
|
|
|
SRSLTE_API void srslte_tcod_free(srslte_tcod_t *h);
|
2014-05-13 08:03:39 -07:00
|
|
|
|
2015-03-18 08:05:38 -07:00
|
|
|
SRSLTE_API int srslte_tcod_encode(srslte_tcod_t *h,
|
|
|
|
uint8_t *input,
|
|
|
|
uint8_t *output,
|
|
|
|
uint32_t long_cb);
|
2014-05-13 08:03:39 -07:00
|
|
|
|
2018-07-17 06:33:00 -07:00
|
|
|
SRSLTE_API int srslte_tcod_encode_lut(srslte_tcod_t *h,
|
2018-09-04 08:51:35 -07:00
|
|
|
srslte_crc_t *crc_tb,
|
|
|
|
srslte_crc_t *crc_cb,
|
|
|
|
uint8_t *input,
|
2015-09-16 11:49:48 -07:00
|
|
|
uint8_t *parity,
|
2018-09-04 08:51:35 -07:00
|
|
|
uint32_t cblen_idx,
|
|
|
|
bool last_cb);
|
2015-09-15 02:55:07 -07:00
|
|
|
|
2015-09-12 04:27:59 -07:00
|
|
|
SRSLTE_API void srslte_tcod_gentable();
|
|
|
|
|
2018-03-31 10:04:04 -07:00
|
|
|
#endif // SRSLTE_TURBOCODER_H
|
2014-05-13 08:03:39 -07:00
|
|
|
|