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110 lines
4.7 KiB
C
110 lines
4.7 KiB
C
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 SRSRAN_UCI_CFG_NR_H
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#define SRSRAN_UCI_CFG_NR_H
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#include "csi_cfg.h"
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#include "harq_ack_cfg.h"
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#include "srsran/phy/common/phy_common_nr.h"
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#include <stdbool.h>
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#include <stdint.h>
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/**
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* @brief Maximum number of Uplink Control Bits
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* @remark TS 38.212 section 5.2.1 Polar coding: The value of A is no larger than 1706.
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*/
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#define SRSRAN_UCI_NR_MAX_NOF_BITS 1706U
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/**
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* @brief Maximum number of Channel State Information part 1 (CSI1) bits that can be carried in Uplink Control
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* Information (UCI) message
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*/
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#define SRSRAN_UCI_NR_MAX_CSI1_BITS 360
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/**
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* @brief Uplink Control Information bits configuration for PUCCH transmission
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*/
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typedef struct {
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uint16_t rnti; ///< RNTI
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uint32_t resource_id; ///< PUCCH resource indicator field in the DCI format 1_0 or DCI format 1_1
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uint32_t n_cce_0; ///< index of a first CCE for the PDCCH reception
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uint32_t N_cce; ///< number of CCEs in a CORESET of a PDCCH reception with DCI format 1_0 or 1_1
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uint32_t sr_resource_id; ///< Scheduling request resource identifier, only valid if positive SR
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} srsran_uci_nr_pucch_cfg_t;
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/**
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* @brief Uplink Control Information bits configuration for PUSCH transmission
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* @attention Set nof_layers, nof_re or R to 0 to indicate this structure is not initialised.
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*/
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typedef struct {
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uint32_t l0; ///< First OFDM symbol that does not carry DMRS of the PUSCH, after the first DMRS symbol(s)
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uint32_t l1; ///< OFDM symbol index of the first OFDM symbol that does not carry DMRS
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uint32_t M_pusch_sc[SRSRAN_NSYMB_PER_SLOT_NR]; ///< Number of potential RE for PUSCH transmission
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uint32_t M_uci_sc[SRSRAN_NSYMB_PER_SLOT_NR]; ///< Number of potential RE for UCI transmission
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uint32_t K_sum; ///< Sum of UL-SCH code block sizes, set to zero if no UL-SCH
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srsran_mod_t modulation; ///< Modulation for the PUSCH
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uint32_t nof_layers; ///< Number of layers for PUSCH
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uint32_t nof_re; ///< Total number of resource elements allocated for the grant
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float R; ///< Code rate of the PUSCH
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float alpha; ///< Higher layer parameter scaling
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float beta_harq_ack_offset;
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float beta_csi1_offset;
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float beta_csi2_offset;
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bool csi_part2_present;
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} srsran_uci_nr_pusch_cfg_t;
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/**
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* @brief Uplink Control Information (UCI) message configuration
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*/
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typedef struct SRSRAN_API {
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/// Common Parameters
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srsran_harq_ack_cfg_t ack; ///< HARQ-ACK configuration
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uint32_t o_sr; ///< Number of SR bits
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bool sr_positive_present; ///< Set to true if there is at least one positive SR
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srsran_csi_report_cfg_t csi[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]; ///< CSI report configuration
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uint32_t nof_csi; ///< Number of CSI reports
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union {
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srsran_uci_nr_pucch_cfg_t pucch; ///< Configuration for transmission in PUCCH
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srsran_uci_nr_pusch_cfg_t pusch; ///< Configuration for transmission in PUSCH
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};
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} srsran_uci_cfg_nr_t;
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/**
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* @brief Uplink Control Information (UCI) message packed information
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*/
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typedef struct SRSRAN_API {
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uint8_t ack[SRSRAN_HARQ_ACK_MAX_NOF_BITS]; ///< HARQ ACK feedback bits
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uint32_t sr; ///< Number of positive SR
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srsran_csi_report_value_t csi[SRSRAN_CSI_SLOT_MAX_NOF_REPORT]; ///< Packed CSI report values
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bool valid; ///< Indicates whether the message has been decoded successfully, ignored in the transmitter
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} srsran_uci_value_nr_t;
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/**
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* @brief Uplink Control Information (UCI) data (configuration + values)
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*/
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typedef struct SRSRAN_API {
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srsran_uci_cfg_nr_t cfg;
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srsran_uci_value_nr_t value;
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} srsran_uci_data_nr_t;
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#endif // SRSRAN_UCI_CFG_NR_H
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