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