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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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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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*
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*/
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/**
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*
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* @file dci_nbiot.h
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*
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* @brief Downlink control information (DCI) for NB-IoT.
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*
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* Packing/Unpacking functions to convert between bit streams
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* and packed DCI UL/DL grants defined in ra_nbiot.h
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*
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* Reference: 3GPP TS 36.212 version 13.2.0 Release 13 Sec. 6.4.3
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*
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*/
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#ifndef SRSLTE_DCI_NBIOT_H
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#define SRSLTE_DCI_NBIOT_H
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#include <stdint.h>
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#include "srslte/config.h"
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#include "srslte/phy/common/phy_common.h"
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#include "srslte/phy/phch/dci.h"
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#include "srslte/phy/phch/ra_nbiot.h"
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#define SRSLTE_DCI_MAX_BITS 128
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#define SRSLTE_NBIOT_RAR_GRANT_LEN 15
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SRSLTE_API void srslte_nbiot_dci_rar_grant_unpack(srslte_nbiot_dci_rar_grant_t* rar,
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const uint8_t grant[SRSLTE_NBIOT_RAR_GRANT_LEN]);
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SRSLTE_API int srslte_nbiot_dci_msg_to_dl_grant(const srslte_dci_msg_t* msg,
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const uint16_t msg_rnti,
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srslte_ra_nbiot_dl_dci_t* dl_dci,
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srslte_ra_nbiot_dl_grant_t* grant,
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const uint32_t sfn,
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const uint32_t sf_idx,
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const uint32_t r_max,
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const srslte_nbiot_mode_t mode);
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SRSLTE_API int srslte_nbiot_dci_msg_to_ul_grant(const srslte_dci_msg_t* msg,
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srslte_ra_nbiot_ul_dci_t* ul_dci,
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srslte_ra_nbiot_ul_grant_t* grant,
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const uint32_t rx_tti,
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const srslte_npusch_sc_spacing_t spacing);
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SRSLTE_API int
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srslte_nbiot_dci_rar_to_ul_grant(srslte_nbiot_dci_rar_grant_t* rar, srslte_ra_nbiot_ul_grant_t* grant, uint32_t rx_tti);
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SRSLTE_API bool srslte_nbiot_dci_location_isvalid(const srslte_dci_location_t* c);
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SRSLTE_API int srslte_dci_msg_pack_npdsch(const srslte_ra_nbiot_dl_dci_t* data,
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const srslte_dci_format_t format,
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srslte_dci_msg_t* msg,
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const bool crc_is_crnti);
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SRSLTE_API int
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srslte_dci_msg_unpack_npdsch(const srslte_dci_msg_t* msg, srslte_ra_nbiot_dl_dci_t* data, const bool crc_is_crnti);
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SRSLTE_API int srslte_dci_msg_unpack_npusch(const srslte_dci_msg_t* msg, srslte_ra_nbiot_ul_dci_t* data);
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SRSLTE_API uint32_t srslte_dci_nbiot_format_sizeof(srslte_dci_format_t format);
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#endif // SRSLTE_DCI_NBIOT_H
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