mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
345 lines
16 KiB
C
345 lines
16 KiB
C
/**
|
|
* Copyright 2013-2022 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN 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.
|
|
*
|
|
* srsRAN 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 SRSRAN_DCI_NR_H
|
|
#define SRSRAN_DCI_NR_H
|
|
|
|
#include "dci.h"
|
|
#include "srsran/phy/common/phy_common_nr.h"
|
|
#include "srsran/phy/phch/phch_cfg_nr.h"
|
|
|
|
/**
|
|
* @brief Maximum number of NR DCI sizes the UE shall search for a given serving cell
|
|
*/
|
|
#define SRSRAN_DCI_NR_MAX_NOF_SIZES 4
|
|
|
|
/**
|
|
* @brief DCI configuration given a serving cell
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
/// Bandwidth parameters
|
|
uint32_t coreset0_bw; ///< CORESET0 DL bandwidth, set to 0 if not present
|
|
uint32_t bwp_dl_initial_bw; ///< Initial DL BWP bandwidth
|
|
uint32_t bwp_dl_active_bw; ///< Active DL BWP bandwidth in PRB
|
|
uint32_t bwp_ul_initial_bw; ///< Initial UL BWP bandwidth
|
|
uint32_t bwp_ul_active_bw; ///< Active UL BWP bandwidth in PRB
|
|
|
|
/// Search space derived parameters
|
|
bool monitor_common_0_0; ///< Set to true if Format 0_0 is monitored in common SS
|
|
bool monitor_0_0_and_1_0; ///< Set to true if Format 0_0 is monitored in UE-specific SS
|
|
bool monitor_0_1_and_1_1; ///< Set to true if Formats 0_1 and 1_1 are monitored in UE-specific SS
|
|
|
|
/// PUSCH configuration derived parameters
|
|
bool enable_sul; ///< Set to true if supplementary uplink is configured
|
|
bool enable_hopping; ///< Set to true if frequency hopping is enabled
|
|
|
|
/// Common Formats 0_1 and 1_1
|
|
uint32_t carrier_indicator_size; ///< Defined in TS 38.213 clause 10.1
|
|
srsran_harq_ack_codebook_t harq_ack_codebok; ///< PDSCH HARQ-ACK codebook mode
|
|
uint32_t nof_rb_groups; ///< For allocation type 0, defined in TS 38.214 clause 6.1.2.2.1
|
|
|
|
/// Format 0_1 specific configuration (for PUSCH only)
|
|
uint32_t nof_ul_bwp; ///< Number of UL BWPs excluding the initial UL BWP, mentioned in the TS as N_BWP_RRC
|
|
uint32_t nof_ul_time_res; ///< Number of dedicated PUSCH time domain resource assigment, set to 0 for default
|
|
uint32_t nof_srs; ///< Number of configured SRS resources
|
|
uint32_t nof_ul_layers; ///< Set to the maximum number of layers for PUSCH
|
|
uint32_t pusch_nof_cbg; ///< determined by maxCodeBlockGroupsPerTransportBlock for PUSCH
|
|
uint32_t report_trigger_size; ///< determined by reportTriggerSize
|
|
bool enable_transform_precoding; ///< Set to true if PUSCH transform precoding is enabled
|
|
bool dynamic_dual_harq_ack_codebook; ///< Set to true if HARQ-ACK codebook is set to dynamic with 2 sub-codebooks
|
|
bool pusch_tx_config_non_codebook; ///< Set to true if PUSCH txConfig is set to non-codebook
|
|
bool pusch_ptrs; ///< Set to true if PT-RS are enabled for PUSCH transmission
|
|
bool pusch_dynamic_betas; ///< Set to true if beta offsets operation is not semi-static
|
|
srsran_resource_alloc_t pusch_alloc_type; ///< PUSCH resource allocation type
|
|
srsran_dmrs_sch_type_t pusch_dmrs_type; ///< PUSCH DMRS type
|
|
srsran_dmrs_sch_len_t pusch_dmrs_max_len; ///< PUSCH DMRS maximum length
|
|
|
|
/// Format 1_1 specific configuration (for PDSCH only)
|
|
uint32_t nof_dl_bwp; ///< Number of DL BWPs excluding the initial UL BWP, mentioned in the TS as N_BWP_RRC
|
|
uint32_t nof_dl_time_res; ///< Number of dedicated PDSCH time domain resource assigment
|
|
uint32_t nof_aperiodic_zp; ///< Number of aperiodic ZP CSI-RS resource sets configured
|
|
uint32_t pdsch_nof_cbg; ///< determined by maxCodeBlockGroupsPerTransportBlock for PDSCH
|
|
uint32_t nof_dl_to_ul_ack; ///< Number of entries in the dl-DataToUL-ACK
|
|
bool pdsch_inter_prb_to_prb; ///< Set to true if interleaved VRB to PRB mapping is enabled
|
|
bool pdsch_rm_pattern1; ///< Set to true if rateMatchPatternGroup1 is configured
|
|
bool pdsch_rm_pattern2; ///< Set to true if rateMatchPatternGroup2 is configured
|
|
bool pdsch_2cw; ///< Set to true if maxNrofCodeWordsScheduledByDCI is set to 2 in any BWP
|
|
bool multiple_scell; ///< Set to true if configured with multiple serving cell
|
|
bool pdsch_tci; ///< Set to true if tci-PresentInDCI is enabled
|
|
bool pdsch_cbg_flush; ///< Set to true if codeBlockGroupFlushIndicator is true
|
|
bool pdsch_dynamic_bundling; ///< Set to true if prb-BundlingType is set to dynamicBundling
|
|
srsran_resource_alloc_t pdsch_alloc_type; ///< PDSCH resource allocation type, set to 0 for default
|
|
srsran_dmrs_sch_type_t pdsch_dmrs_type; ///< PDSCH DMRS type
|
|
srsran_dmrs_sch_len_t pdsch_dmrs_max_len; ///< PDSCH DMRS maximum length
|
|
} srsran_dci_cfg_nr_t;
|
|
|
|
/**
|
|
* @brief NR-DCI object. Stores DCI configuration and pre-calculated DCI sizes
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
/// Configuration parameters
|
|
srsran_dci_cfg_nr_t cfg;
|
|
|
|
/// Formats 0_0 and 1_0 in common SS
|
|
uint32_t dci_0_0_and_1_0_common_size; ///< DCI format 0_0 and 1_0 in common SS size
|
|
uint32_t dci_0_0_common_trunc; ///< DCI format 0_0 in common SS truncation
|
|
uint32_t dci_0_0_common_padd; ///< DCI format 0_0 in common SS padding
|
|
|
|
/// Formats 0_0 and 1_0 in UE-specific SS
|
|
uint32_t dci_0_0_and_1_0_ue_size; ///< DCI format 0_0 and 1_0 in UE-specific SS size
|
|
uint32_t dci_0_0_ue_padd; ///< DCI format 0_0 in ue SS padding
|
|
uint32_t dci_1_0_ue_padd; ///< DCI format 1_0 in ue SS padding
|
|
|
|
/// Formats 0_1 and 1_0 (UE-specific SS only)
|
|
uint32_t dci_0_1_size; ///< DCI format 0_1 size
|
|
uint32_t dci_0_1_padd; ///< DCI format 0_1 padding
|
|
uint32_t dci_1_1_size; ///< DCI format 0_1 size
|
|
uint32_t dci_1_1_padd; ///< DCI format 1_1 padding
|
|
|
|
} srsran_dci_nr_t;
|
|
|
|
/**
|
|
* @brief Describes the NR DCI search context
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
srsran_dci_location_t location; ///< DCI location
|
|
srsran_search_space_type_t ss_type; ///< Search space type
|
|
uint32_t coreset_id; ///< CORESET identifier
|
|
uint32_t coreset_start_rb; ///< CORESET lowest RB index in the resource grid
|
|
srsran_rnti_type_t rnti_type; ///< RNTI type
|
|
srsran_dci_format_nr_t format; ///< DCI format
|
|
uint16_t rnti; ///< UE temporal RNTI
|
|
} srsran_dci_ctx_t;
|
|
|
|
/**
|
|
* @brief Describes any packed format NR DCI message
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
srsran_dci_ctx_t ctx; ///< DCI context
|
|
uint8_t payload[50];
|
|
uint32_t nof_bits;
|
|
} srsran_dci_msg_nr_t;
|
|
|
|
/**
|
|
* @brief Describes an unpacked DL NR DCI message
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
srsran_dci_ctx_t ctx; ///< DCI search context
|
|
|
|
// 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 for HARQ feedback
|
|
///< @note PUCCH resource is selected from PUCCH-ResourceSet if available, otherwise the UE
|
|
///< shall pick a pucch-ResourceCommon from Table 9.2.1-1.
|
|
uint32_t harq_feedback; ///< PDSCH-to-HARQ_feedback timing indicator
|
|
///< @note harq_feedback for format 1_0 indicates the delay between the PDSCH reception and
|
|
///< the UL transmission timing
|
|
///< @note harq_feedback for format 1_1 is index of the delay indicated in DL data to UL ACK
|
|
///< dedicated configuration table
|
|
|
|
// 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
|
|
|
|
// Second TB (Optional)
|
|
uint32_t mcs2; ///< Modulation and coding scheme for the second transport block
|
|
uint32_t ndi2; ///< New data indicator for the second transport block
|
|
uint32_t rv2; ///< Redundancy version for the second transport block
|
|
|
|
// Optional fields
|
|
uint32_t cc_id; ///< Carrier indicator
|
|
uint32_t bwp_id; ///< BWP indicator
|
|
uint32_t rm_pattern1; ///< Rate matching pattern 1 indicator
|
|
uint32_t rm_pattern2; ///< Rate matching pattern 2 indicator
|
|
uint32_t zp_csi_rs_id; ///< ZP-CSI-RS trigger
|
|
uint32_t ports; ///< Antenna ports
|
|
uint32_t tci; ///< Transmission configuration indication
|
|
uint32_t srs_request; ///< SRS request
|
|
uint32_t cbg_info; ///< CBG transmission information (CBGTI)
|
|
uint32_t cbg_flush; ///< CBG flushing out information (CBGFI)
|
|
uint32_t dmrs_id; ///< DMRS sequence initialization
|
|
|
|
// DL context from unpacking. Required for resource allocation
|
|
uint32_t coreset0_bw; ///< CORESET0 size used for frequency resource allocation
|
|
|
|
} srsran_dci_dl_nr_t;
|
|
|
|
/**
|
|
* @brief Describes an unpacked UL NR DCI message
|
|
* @remark NR RAR UL DCI Described in TS 38.213 Table 8.2-1: Random Access Response Grant Content field size
|
|
*/
|
|
typedef struct SRSRAN_API {
|
|
// Context information
|
|
srsran_dci_ctx_t ctx; ///< Context information
|
|
|
|
// Common fields
|
|
uint32_t freq_domain_assigment; ///< Frequency domain resource assignment
|
|
uint32_t time_domain_assigment; ///< Time domain resource assignment
|
|
uint32_t freq_hopping_flag; ///< Frequency hopping flag
|
|
uint32_t mcs; ///< Modulation and coding scheme
|
|
uint32_t rv; ///< Redundancy version
|
|
uint32_t reserved; ///< Reserved bits
|
|
|
|
// C-RNTI or CS-RNTI or MCS-C-RNTI
|
|
uint32_t ndi; ///< New data indicator
|
|
uint32_t pid; ///< HARQ process number
|
|
uint32_t tpc; ///< TPC command for scheduled PUCCH
|
|
|
|
// Frequency hopping
|
|
uint32_t frequency_offset; ///< frequency offset
|
|
|
|
// Random Access Response Grant
|
|
uint32_t csi_request; ///< CSI request
|
|
|
|
// Optional fields
|
|
uint32_t sul; ///< Supplementary Uplink flag
|
|
uint32_t cc_id; ///< Carrier indicator
|
|
uint32_t bwp_id; ///< BWP indicator
|
|
uint32_t dai1; ///< First DAI
|
|
uint32_t dai2; ///< Second DAI
|
|
uint32_t srs_id; ///< SRS resource indicator
|
|
uint32_t ports; ///< Antenna ports
|
|
uint32_t srs_request; ///< SRS request
|
|
uint32_t cbg_info; ///< CBG transmission information (CBGTI)
|
|
uint32_t ptrs_id; ///< PTRS-DMRS association
|
|
uint32_t beta_id; ///< beta_offset indicator
|
|
uint32_t dmrs_id; ///< DMRS sequence initialization
|
|
uint32_t ulsch; ///< UL-SCH indicator
|
|
} srsran_dci_ul_nr_t;
|
|
|
|
/**
|
|
* @brief Set NR-DCI configuration for a given cell. This function will pre-compute the DCI sizes, padding, truncation
|
|
* and so on from a given DCI configuration.
|
|
* @remark Implemented according TS 38.212 section 7.3.1.0 DCI size alignment
|
|
* @param[in,out] dci DCI object
|
|
* @param[in] cfg NR-DCI configuration
|
|
* @return SRSRAN_SUCCESS if the configuration is valid, SRSRAN_ERROR code otherwise
|
|
*/
|
|
SRSRAN_API int srsran_dci_nr_set_cfg(srsran_dci_nr_t* dci, const srsran_dci_cfg_nr_t* cfg);
|
|
|
|
/**
|
|
* @brief Calculates a DL NR-DCI size for a given SS type and format
|
|
* @attention Only DCI 0_0 and 1_0 can be in common search-space
|
|
* @param q NR DCI object
|
|
* @param ss_type Search Space type
|
|
* @param format NR DCI format
|
|
* @return The number of bis for the DCI message if configured, 0 otherwise
|
|
*/
|
|
SRSRAN_API uint32_t srsran_dci_nr_size(const srsran_dci_nr_t* q,
|
|
srsran_search_space_type_t ss_type,
|
|
srsran_dci_format_nr_t format);
|
|
|
|
/**
|
|
* @brief Indicates whether the provided DCI message format bit indicator belongs to the a Dl DCI format (1_0 or 1_1)
|
|
* according according to the RNTI type. If invalid, the DCI message is likely to be an UL DCI
|
|
* @param dci Provides DCI format message
|
|
* @return true if the DCI message is for DL, false otherwise
|
|
*/
|
|
SRSRAN_API bool srsran_dci_nr_valid_direction(const srsran_dci_msg_nr_t* dci);
|
|
|
|
/**
|
|
* @brief Packs a DL NR DCI into a DCI message
|
|
* @param q NR DCI object with precomputed DCI parameters
|
|
* @param dci DL NR DCI to pack (serialize)
|
|
* @param[out] msg Resultant packed DCI message
|
|
* @return SRSRAN_SUCCESS if provided arguments are valid, SRSRAN_ERROR code otherwise
|
|
*/
|
|
SRSRAN_API int srsran_dci_nr_dl_pack(const srsran_dci_nr_t* q, const srsran_dci_dl_nr_t* dci, srsran_dci_msg_nr_t* msg);
|
|
|
|
/**
|
|
* @brief Unpacks an NR DCI message into a DL NR DCI
|
|
* @param q NR DCI object with precomputed DCI parameters
|
|
* @param msg DCI message to unpack (deserialize)
|
|
* @param[out] dci Resultant unpacked DL DCI
|
|
* @return SRSRAN_SUCCESS if provided arguments are valid, SRSRAN_ERROR code otherwise
|
|
*/
|
|
SRSRAN_API int srsran_dci_nr_dl_unpack(const srsran_dci_nr_t* q, srsran_dci_msg_nr_t* msg, srsran_dci_dl_nr_t* dci);
|
|
|
|
/**
|
|
* @brief Packs an UL NR DCI into a DCI message
|
|
* @param q NR DCI object with precomputed DCI parameters (not required for RAR type, set to NULL)
|
|
* @param dci UL NR DCI to pack (serialize)
|
|
* @param[out] msg resultant DCI message
|
|
* @return SRSRAN_SUCCESS if provided arguments are valid, SRSRAN_ERROR code otherwise
|
|
*/
|
|
SRSRAN_API int srsran_dci_nr_ul_pack(const srsran_dci_nr_t* q, const srsran_dci_ul_nr_t* dci, srsran_dci_msg_nr_t* msg);
|
|
|
|
/**
|
|
* @brief Unpacks an NR DCI message into an UL NR DCI
|
|
* @param q NR DCI object with precomputed DCI parameters (not required for RAR type, set to NULL)
|
|
* @param msg DCI message to unpack (deserialize)
|
|
* @param[out] dci Resultant unpacked UL DCI
|
|
* @return SRSRAN_SUCCESS if provided arguments are valid, SRSRAN_ERROR code otherwise
|
|
*/
|
|
SRSRAN_API int srsran_dci_nr_ul_unpack(const srsran_dci_nr_t* q, srsran_dci_msg_nr_t* msg, srsran_dci_ul_nr_t* dci);
|
|
|
|
/**
|
|
* @brief Stringifies an NR DCI conxtext
|
|
* @param ctx Provides NR DCI context
|
|
* @param[out] str Destination string
|
|
* @param str_len Destination string length
|
|
* @return The number of written characters
|
|
*/
|
|
SRSRAN_API uint32_t srsran_dci_ctx_to_str(const srsran_dci_ctx_t* ctx, char* str, uint32_t str_len);
|
|
|
|
/**
|
|
* @brief Stringifies a DL NR DCI structure
|
|
* @param q NR DCI object with precomputed DCI parameters
|
|
* @param dci DL NR SCI structure to stringify
|
|
* @param[out] str Destination string
|
|
* @param str_len Destination string length
|
|
* @return The number of written characters
|
|
*/
|
|
SRSRAN_API uint32_t srsran_dci_dl_nr_to_str(const srsran_dci_nr_t* q,
|
|
const srsran_dci_dl_nr_t* dci,
|
|
char* str,
|
|
uint32_t str_len);
|
|
|
|
/**
|
|
* @brief Stringifies an UL NR DCI structure
|
|
* @param q NR DCI object with precomputed DCI parameters
|
|
* @param dci UL NR SCI structure to stringify
|
|
* @param[out] str Destination string
|
|
* @param str_len Destination string length
|
|
* @return The number of written characters
|
|
*/
|
|
SRSRAN_API uint32_t srsran_dci_ul_nr_to_str(const srsran_dci_nr_t* q,
|
|
const srsran_dci_ul_nr_t* dci,
|
|
char* str,
|
|
uint32_t str_len);
|
|
|
|
#endif // SRSRAN_DCI_NR_H
|