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88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
4 years ago
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/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_DCI_NR_H
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#define SRSLTE_DCI_NR_H
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#include "srslte/phy/common/phy_common_nr.h"
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#include "srslte/phy/phch/pdsch_cfg_nr.h"
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typedef enum SRSLTE_API {
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srslte_rnti_type_c = 0,
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srslte_rnti_type_p,
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srslte_rnti_type_si,
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srslte_rnti_type_ra,
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srslte_rnti_type_tc,
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} srslte_rnti_type_t;
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typedef struct SRSLTE_API {
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uint8_t payload[32];
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srslte_rnti_type_t rnti_type;
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uint32_t nof_bits;
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srslte_dci_format_nr_t format;
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uint16_t rnti;
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} srslte_dci_msg_nr_t;
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typedef struct SRSLTE_API {
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srslte_rnti_type_t rnti_type;
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// Common fields
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uint32_t freq_domain_assigment; ///< Frequency domain resource assignment
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uint32_t time_domain_assigment; ///< Time domain resource assignment
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uint32_t vrb_to_prb_mapping; ///< VRB-to-PRB mapping
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uint32_t mcs; ///< Modulation and coding scheme
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uint32_t rv; ///< Redundancy version
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uint32_t reserved; ///< Reserved bits
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// C-RNTI/TC-RNTI specific fields
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uint32_t ndi; ///< New data indicator
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uint32_t pid; ///< HARQ process number
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uint32_t dai; ///< Downlink assignment index
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uint32_t tpc; ///< TPC command for scheduled PUCCH
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uint32_t pucch_resource; ///< PUCCH resource indicator
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uint32_t harq_feedback; ///< PDSCH-to-HARQ_feedback timing indicator
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// P-RNTI specific fields
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uint32_t smi; ///< Short Messages Indicator
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uint32_t sm; ///< Short Messages
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uint32_t tb_scaling; ///< TB scaling
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// SI-RNTI specific fields
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uint32_t sii; ///< System information indicator
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} srslte_dci_dl_t;
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SRSLTE_API SRSLTE_API int srslte_dci_nr_format_1_0_sizeof(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_rnti_type_t rnti_type);
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SRSLTE_API int srslte_dci_nr_format_1_0_pack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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const srslte_dci_dl_t* dci,
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srslte_dci_msg_nr_t* msg);
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SRSLTE_API int srslte_dci_nr_format_1_0_unpack(const srslte_carrier_nr_t* carrier,
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const srslte_coreset_t* coreset,
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srslte_dci_msg_nr_t* msg,
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srslte_dci_dl_t* dci);
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#endif // SRSLTE_DCI_NR_H
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