2020-11-26 01:25:22 -08:00
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/**
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2015-01-29 16:15:09 -08:00
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*
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2020-11-26 01:25:22 -08:00
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* \section COPYRIGHT
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2015-01-29 16:15:09 -08:00
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*
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2021-03-19 03:45:56 -07:00
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* Copyright 2013-2021 Software Radio Systems Limited
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2015-01-29 16:15:09 -08:00
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*
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2020-11-26 01:25:22 -08:00
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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2015-01-29 16:15:09 -08:00
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*
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*/
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2015-04-03 05:49:12 -07:00
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/******************************************************************************
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* File: uci.h
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*
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2015-04-18 18:13:25 -07:00
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* Description: Uplink control information. Only 1-bit ACK for UCI on PUSCCH is supported
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2015-04-03 05:49:12 -07:00
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*
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* Reference: 3GPP TS 36.212 version 10.0.0 Release 10 Sec. 5.2.3, 5.2.4
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*****************************************************************************/
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2015-01-29 16:15:09 -08:00
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2021-03-19 03:45:56 -07:00
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#ifndef SRSRAN_UCI_H
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#define SRSRAN_UCI_H
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#include "srsran/config.h"
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#include "srsran/phy/common/phy_common.h"
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#include "srsran/phy/fec/convolutional/viterbi.h"
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#include "srsran/phy/fec/crc.h"
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#include "srsran/phy/phch/pusch_cfg.h"
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#include "srsran/phy/phch/uci_cfg.h"
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#define SRSRAN_UCI_MAX_CQI_LEN_PUSCH 512
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#define SRSRAN_UCI_MAX_CQI_LEN_PUCCH 13
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#define SRSRAN_UCI_CQI_CODED_PUCCH_B 20
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#define SRSRAN_UCI_STR_MAX_CHAR 32
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typedef struct SRSRAN_API {
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srsran_crc_t crc;
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srsran_viterbi_t viterbi;
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uint8_t tmp_cqi[SRSRAN_UCI_MAX_CQI_LEN_PUSCH];
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uint8_t encoded_cqi[3 * SRSRAN_UCI_MAX_CQI_LEN_PUSCH];
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int16_t encoded_cqi_s[3 * SRSRAN_UCI_MAX_CQI_LEN_PUSCH];
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} srsran_uci_cqi_pusch_t;
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typedef struct SRSRAN_API {
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2019-12-16 07:04:22 -08:00
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uint8_t** cqi_table;
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int16_t** cqi_table_s;
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} srsran_uci_cqi_pucch_t;
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2017-03-28 00:13:24 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API void srsran_uci_cqi_pucch_init(srsran_uci_cqi_pucch_t* q);
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2017-03-28 00:13:24 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API void srsran_uci_cqi_pucch_free(srsran_uci_cqi_pucch_t* q);
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2017-09-05 01:54:36 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int
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srsran_uci_encode_cqi_pucch(uint8_t* cqi_data, uint32_t cqi_len, uint8_t b_bits[SRSRAN_UCI_CQI_CODED_PUCCH_B]);
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2017-03-28 00:13:24 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_encode_cqi_pucch_from_table(srsran_uci_cqi_pucch_t* q,
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uint8_t* cqi_data,
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uint32_t cqi_len,
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uint8_t b_bits[SRSRAN_UCI_CQI_CODED_PUCCH_B]);
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2017-10-16 08:33:30 -07:00
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SRSRAN_API int16_t srsran_uci_decode_cqi_pucch(srsran_uci_cqi_pucch_t* q,
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int16_t b_bits[SRSRAN_CQI_MAX_BITS], // aligned for simd
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2019-04-23 01:53:11 -07:00
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uint8_t* cqi_data,
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uint32_t cqi_len);
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2020-01-31 15:51:53 -08:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_cqi_init(srsran_uci_cqi_pusch_t* q);
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2015-02-09 02:32:47 -08:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API void srsran_uci_cqi_free(srsran_uci_cqi_pusch_t* q);
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2019-12-16 07:04:22 -08:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_encode_cqi_pusch(srsran_uci_cqi_pusch_t* q,
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srsran_pusch_cfg_t* cfg,
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2019-12-16 07:04:22 -08:00
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uint8_t* cqi_data,
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uint32_t cqi_len,
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float beta,
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uint32_t Q_prime_ri,
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uint8_t* q_bits);
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_decode_cqi_pusch(srsran_uci_cqi_pusch_t* q,
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srsran_pusch_cfg_t* cfg,
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int16_t* q_bits,
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float beta,
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uint32_t Q_prime_ri,
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uint32_t cqi_len,
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uint8_t* cqi_data,
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bool* cqi_ack);
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2019-04-23 01:53:11 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_encode_ack(srsran_pusch_cfg_t* cfg,
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uint8_t acks[2],
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uint32_t nof_acks,
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uint32_t O_cqi,
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float beta,
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uint32_t H_prime_total,
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srsran_uci_bit_t* ri_bits);
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SRSRAN_API int srsran_uci_encode_ack_ri(srsran_pusch_cfg_t* cfg,
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uint8_t* data,
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uint32_t O_ack,
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uint32_t O_cqi,
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float beta,
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uint32_t H_prime_total,
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bool input_is_ri,
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uint32_t N_bundle,
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srsran_uci_bit_t* ri_bits);
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int srsran_uci_decode_ack_ri(srsran_pusch_cfg_t* cfg,
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2019-04-23 01:53:11 -07:00
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int16_t* q_bits,
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uint8_t* c_seq,
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float beta,
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uint32_t H_prime_total,
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uint32_t O_cqi,
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srsran_uci_bit_t* ack_ri_bits,
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uint8_t* data,
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2020-07-27 06:44:57 -07:00
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bool* valid,
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uint32_t nof_bits,
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bool is_ri);
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2020-08-25 13:30:35 -07:00
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/**
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* Calculates the maximum number of coded symbols used by CQI-UCI over PUSCH
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*/
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SRSRAN_API uint32_t srsran_qprime_cqi_ext(uint32_t L_prb, uint32_t nof_symbols, uint32_t tbs, float beta);
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/**
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* Calculates the maximum number of coded symbols used by ACK/RI over PUSCH
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*/
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SRSRAN_API uint32_t
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srsran_qprime_ack_ext(uint32_t L_prb, uint32_t nof_symbols, uint32_t tbs, uint32_t nof_ack, float beta);
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2020-08-25 13:30:35 -07:00
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2020-02-11 10:12:01 -08:00
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/**
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* Calculates the number of acknowledgements carried by the Uplink Control Information (UCI) deduced from the number of
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* transport blocks indicated in the UCI's configuration.
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*
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* @param uci_cfg is the UCI configuration
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* @return the number of acknowledgements
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*/
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2021-03-19 03:45:56 -07:00
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SRSRAN_API uint32_t srsran_uci_cfg_total_ack(const srsran_uci_cfg_t* uci_cfg);
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2019-10-01 07:05:44 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API void srsran_uci_data_reset(srsran_uci_data_t* uci_data);
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2019-10-01 07:05:44 -07:00
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2021-03-19 03:45:56 -07:00
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SRSRAN_API int
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srsran_uci_data_info(srsran_uci_cfg_t* uci_cfg, srsran_uci_value_t* uci_data, char* str, uint32_t maxlen);
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2015-01-29 16:15:09 -08:00
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2021-03-19 03:45:56 -07:00
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#endif // SRSRAN_UCI_H
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