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add CSI-RS for rate matching in PDSCH v3 maintenance parameters

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Signed-off-by: francescomani <email@francescomani.it>
This commit is contained in:
francescomani
2026-04-22 16:30:30 +02:00
committed by Francesco Mani
parent 38ea4f92a1
commit 99c6a07eb0
1 changed files with 10 additions and 63 deletions
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73
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface_scf.h
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@@ -904,10 +904,14 @@ typedef struct {
nfapi_v4_pdcch_pdu_parameters_t param_v4;
} nfapi_nr_dl_tti_pdcch_pdu_rel15_t;
#define MAX_CSI_RS_RM 2 // TODO not sure what value to put here yet
typedef struct {
uint8_t ldpcBaseGraph;
uint32_t tbSizeLbrmBytes;
}nfapi_v3_pdsch_maintenance_parameters_t;
uint8_t numCSIRSForRM;
uint16_t csiRSForRM[MAX_CSI_RS_RM];
} nfapi_v3_pdsch_maintenance_parameters_t;
typedef struct {
/// Number of spatial streams used in the index array
@@ -1022,68 +1026,10 @@ typedef struct {
nfapi_v4_pdsch_parameters_t param_v4;
} nfapi_nr_dl_tti_pdsch_pdu_rel15_t;
//for pdsch_pdu:
/*
typedef struct
{
uint16_t target_code_rate;//
uint8_t qam_mod_order;//
uint8_t mcs_index;//
uint8_t mcs_table;//
uint8_t rv_index;//
uint32_t tb_size;//
} nfapi_nr_code_word_t;
//table 3-38
typedef struct
{
uint16_t pdu_bit_map;//Bitmap indicating presence of optional PDUs Bit 0: pdschPtrs - Indicates PTRS included (FR2) Bit 1:cbgRetxCtrl (Present when CBG based retransmit is used) All other bits reserved
uint16_t rnti;//The RNTI used for identifying the UE when receiving the PDU Value: 1 -> 65535
uint16_t pdu_index;//
uint16_t bwp_size;//Bandwidth part size [TS38.213 sec12]. Number of contiguous PRBs allocated to the BWP Value: 1->275
uint16_t bwp_start;//bandwidth part start RB index from reference CRB [TS38.213 sec 12] Value: 0->274
uint8_t subcarrier_spacing;//Value:0->4
uint8_t cyclic_prefix;//0: Normal; 1: Extended
uint8_t nr_of_code_words;//Number of code words for this RNTI (UE) Value: 1 -> 2
nfapi_nr_code_word_t* code_word_list;
uint16_t data_scrambling_id;//
uint8_t nr_of_layers;//
uint8_t transmission_scheme;//PDSCH transmission schemes [TS38.214, sec 5.1.1] 0: Up to 8 transmission layers
uint8_t ref_point;//Reference point for PDSCH DMRS "k" - used for tone mapping
//DMRS
uint16_t dl_dmrs_symb_pos;//Bitmap occupying the 14 LSBs with: bit 0: first symbol and for each bit 0: no DMRS 1: DMRS
uint8_t dmrs_config_type;//DL DMRS config type[TS38.211, sec 7.4.1.1.2] 0: type 1 1: type 2
uint16_t dl_dmrs_scrambling_id;//DL-DMRS-Scrambling-ID [TS38.211, sec 7.4.1.1.2 ] If provided by the higher-layer and the PDSCH is scheduled by PDCCH with CRC scrambled by CRNTI or CS-RNTI, otherwise, L2 should set this to physical cell id. Value: 0->65535
uint8_t scid;// 0 1
uint8_t num_dmrs_cdm_grps_no_data;//Number of DM-RS CDM groups without data [TS38.212 sec 7.3.1.2.2] [TS38.214 Table 4.1-1] it determines the ratio of PDSCH EPRE to DM-RS EPRE. Value: 1->3
uint16_t dmrs_ports;//DMRS ports. [TS38.212 7.3.1.2.2] provides description between DCI 1-1 content and DMRS ports. Bitmap occupying the 11 LSBs with: bit 0: antenna port 1000 bit 11: antenna port 1011 and for each bit 0: DMRS port not used 1: DMRS port used
//Pdsch Allocation in frequency domain [TS38.214, sec 5.1.2.2]
uint8_t resource_alloc;//Resource Allocation Type [TS38.214, sec 5.1.2.2] 0: Type 0 1: Type 1
uint8_t rb_bit_map[36];//For resource alloc type 0. TS 38.212 V15.0.x, 7.3.1.2.2 bitmap of RBs, 273 rounded up to multiple of 32. This bitmap is in units of VRBs. LSB of byte 0 of the bitmap represents the first RB of the bwp
uint16_t rb_start;//For resource allocation type 1. [TS38.214, sec5.1.2.2.2] The starting resource block within the BWP for this PDSCH. Value: 0->274
uint16_t rb_size;//For resource allocation type 1. [TS38.214, sec 5.1.2.2.2] The number of resource block within for this PDSCH. Value: 1->275
uint8_t vrb_to_prb_mapping;//VRB-to-PRB-mapping [TS38.211, sec 7.3.1.6] 0: non-interleaved 1: interleaved with RB size 2 2: Interleaved with RB size 4
//Resource Allocation in time domain [TS38.214, sec 5.1.2.1]
uint8_t start_symbol_index;//Start symbol index of PDSCH mapping from the start of the slot, S. [TS38.214, Table 5.1.2.1-1] Value: 0->13
uint8_t nr_of_symbols;//PDSCH duration in symbols, L [TS38.214, Table 5.1.2.1-1] Value: 1->14
//PTRS TS38.214 sec 5.1.6.3
uint8_t ptrs_port_index;//PT-RS antenna ports [TS38.214, sec 5.1.6.3] [TS38.211, table 7.4.1.2.2-1] Bitmap occupying the 6 LSBs with: bit 0: ntenna port 1000 bit 5: antenna port 1005 and for each bit 0: PTRS port not used 1: PTRS port used
uint8_t ptrs_time_density;//PT-RS time density [TS38.214, table 5.1.6.3-1] 0: 1 1: 2 2: 4
uint8_t ptrs_freq_density;//PT-RS frequency density [TS38.214, table[5.1.6.3-2] 0: 2 1: 4
uint8_t ptrs_re_offset;//PT-RS resource element offset [TS38.211, table [7.4.1.2.2-1]
uint8_t n_epre_ratio_of_pdsch_to_ptrs;//PT-RS-to-PDSCH EPRE ratio [TS38.214, table 4.1-2] Value :0->3
nfapi_nr_tx_precoding_and_beamforming_t* precoding_and_beamforming_list;
//TX power info
uint8_t power_control_offset;//Ratio of PDSCH EPRE to NZP CSI-RSEPRE [TS38.214, sec 5.2.2.3.1] Value :0->23 representing -8 to 15 dB in 1dB steps
uint8_t power_control_offset_ss;//Ratio of SSB/PBCH block EPRE to NZP CSI-RS EPRES [TS38.214, sec 5.2.2.3.1] Values: 0: -3dB, 1: 0dB, 2: 3dB, 3: 6dB
//CBG fields
uint8_t is_last_cb_present;//Indicates whether last CB is present in the CBG retransmission 0: CBG retransmission does not include last CB 1: CBG retransmission includes last CB If CBG Re-Tx includes last CB, L1 will add the TB CRC to the last CB in the payload before it is read into the LDPC HW unit
uint8_t is_inline_tb_crc;//Indicates whether TB CRC is part of data payload or control message 0: TB CRC is part of data payload 1: TB CRC is part of control message
uint32_t dl_tb_crc;//TB CRC: to be used in the last CB, applicable only if last CB is present
} nfapi_nr_dlsch_pdu_t;
*/
uint16_t csiRS_pdu_index_v3; // Unique index across all CSI-RS PDUs in the slot, in the order of appearance in DL_TTI.request
} nfapi_v3_csirs_maintenance_parameters_t;
typedef struct
{
@@ -1111,6 +1057,7 @@ typedef struct
/// Spatial stream index array
uint8_t spatialStreamIndices[MAX_NUM_SPATIAL_STREAMS];
} param_v4;
nfapi_v3_csirs_maintenance_parameters_t maintenance_parms_v3;
} nfapi_nr_dl_tti_csi_rs_pdu_rel15_t;
typedef struct
@@ -1390,7 +1337,7 @@ typedef struct
typedef struct {
uint8_t ldpcBaseGraph;
uint32_t tbSizeLbrmBytes;
}nfapi_v3_pusch_maintenance_parameters_t;
} nfapi_v3_pusch_maintenance_parameters_t;
typedef struct
{
@@ -1437,7 +1384,7 @@ typedef struct
nfapi_nr_dfts_ofdm_t dfts_ofdm;
//beamforming
nfapi_nr_ul_beamforming_t beamforming;
nfapi_v3_pdsch_maintenance_parameters_t maintenance_parms_v3;
nfapi_v3_pusch_maintenance_parameters_t maintenance_parms_v3;
// Spatial stream indexing for MU-MIMO
nfapi_nr_spatial_stream_index_t param_v4;
} nfapi_nr_pusch_pdu_t;