srsLTE/lib/include/srslte/phy/phch/dci_nr.h

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2020-11-13 10:21:27 -08:00
/*
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSLTE_DCI_NR_H
#define SRSLTE_DCI_NR_H
#include "srslte/phy/common/phy_common_nr.h"
#include "srslte/phy/phch/pdsch_cfg_nr.h"
typedef enum SRSLTE_API {
srslte_rnti_type_c = 0,
srslte_rnti_type_p,
srslte_rnti_type_si,
srslte_rnti_type_ra,
srslte_rnti_type_tc,
} srslte_rnti_type_t;
typedef struct SRSLTE_API {
uint8_t payload[32];
srslte_rnti_type_t rnti_type;
uint32_t nof_bits;
srslte_dci_format_nr_t format;
uint16_t rnti;
} srslte_dci_msg_nr_t;
typedef struct SRSLTE_API {
srslte_rnti_type_t rnti_type;
// Common fields
uint32_t freq_domain_assigment; ///< Frequency domain resource assignment
uint32_t time_domain_assigment; ///< Time domain resource assignment
uint32_t vrb_to_prb_mapping; ///< VRB-to-PRB mapping
uint32_t mcs; ///< Modulation and coding scheme
uint32_t rv; ///< Redundancy version
uint32_t reserved; ///< Reserved bits
// C-RNTI/TC-RNTI specific fields
uint32_t ndi; ///< New data indicator
uint32_t pid; ///< HARQ process number
uint32_t dai; ///< Downlink assignment index
uint32_t tpc; ///< TPC command for scheduled PUCCH
uint32_t pucch_resource; ///< PUCCH resource indicator
uint32_t harq_feedback; ///< PDSCH-to-HARQ_feedback timing indicator
// P-RNTI specific fields
uint32_t smi; ///< Short Messages Indicator
uint32_t sm; ///< Short Messages
uint32_t tb_scaling; ///< TB scaling
// SI-RNTI specific fields
uint32_t sii; ///< System information indicator
} srslte_dci_dl_t;
SRSLTE_API SRSLTE_API int srslte_dci_nr_format_1_0_sizeof(const srslte_carrier_nr_t* carrier,
const srslte_coreset_t* coreset,
srslte_rnti_type_t rnti_type);
SRSLTE_API int srslte_dci_nr_format_1_0_pack(const srslte_carrier_nr_t* carrier,
const srslte_coreset_t* coreset,
const srslte_dci_dl_t* dci,
srslte_dci_msg_nr_t* msg);
SRSLTE_API int srslte_dci_nr_format_1_0_unpack(const srslte_carrier_nr_t* carrier,
const srslte_coreset_t* coreset,
srslte_dci_msg_nr_t* msg,
srslte_dci_dl_t* dci);
#endif // SRSLTE_DCI_NR_H