francescomani
04ee4ea8e5
even if 2 codewords are currently not supported and not tested, the way UE handled the possibility of having 2 codewords was messy, in between support and non-support the intention of this MR is to cleanup the code more than extend the support Signed-off-by: Francesco Mani <email@francescomani.it>
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/*
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* SPDX-License-Identifier: LicenseRef-CSSL-1.0
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*/
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/*!
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* \brief data structures for PDSCH/DLSCH/PUSCH/ULSCH physical and transport channel descriptors (TX/RX)
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*/
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#ifndef __NR_TRANSPORT_UE__H__
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#define __NR_TRANSPORT_UE__H__
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#include <limits.h>
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#include "PHY/CODING/nrLDPC_decoder/nrLDPC_types.h"
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#include "nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h"
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#include "../NR_TRANSPORT/nr_transport_common_proto.h"
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typedef struct {
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/// Index of current HARQ round for this ULSCH
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uint8_t round;
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/// pointer to pdu from MAC interface (TS 36.212 V15.4.0, Sec 5.1 p. 8)
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unsigned char *payload_AB;
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/// Pointers to transport block segments
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uint8_t **c;
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/// LDPC-code outputs
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uint8_t **d;
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/// LDPC-code outputs (TS 36.212 V15.4.0, Sec 5.3.2 p. 17)
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uint8_t *e;
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/// Rate matching (Interleaving) outputs (TS 36.212 V15.4.0, Sec 5.4.2.2 p. 30)
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uint8_t *f;
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/// Number of code segments
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uint32_t C;
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/// Number of bits in code segments
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uint32_t K;
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///
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uint32_t Kb;
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/// Number of "Filler" bits
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uint32_t F;
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/// Number of soft channel bits
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uint32_t G;
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// Number of modulated symbols carrying data
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uint32_t num_of_mod_symbols;
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// Encoder BG
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uint8_t BG;
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// LDPC lifting size
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uint32_t Z;
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} NR_UL_UE_HARQ_t;
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typedef enum {
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NR_SCH_IDLE = 0,
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NR_ACTIVE
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} NR_SCH_status_t;
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typedef struct {
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NR_SCH_status_t status;
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/// NDAPI struct for UE
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nfapi_nr_ue_pusch_pdu_t pusch_pdu;
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// UL number of harq processes
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uint8_t number_harq_processes_for_pusch;
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/// RNTI type
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nr_rnti_type_t rnti_type;
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/// Cell ID
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int Nid_cell;
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/// bit mask of PT-RS ofdm symbol indicies
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uint16_t ptrs_symbols;
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} NR_UE_ULSCH_t;
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typedef struct {
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/// Indicator of first reception
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uint8_t first_rx;
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/// DLSCH status flag indicating
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NR_SCH_status_t status;
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/// Pointer to the payload (38.212 V15.4.0 section 5.1)
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uint8_t *b;
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/// Pointers to transport block segments
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uint8_t **c;
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/// soft bits for each received segment ("d"-sequence)(for definition see 36-212 V8.6 2009-03, p.15)
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/// Accumulates the soft bits for each round to increase decoding success (HARQ)
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int16_t **d;
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/// Index of current HARQ round for this DLSCH
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uint8_t DLround;
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/// Number of code segments
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uint32_t C;
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/// Number of bits in code segments
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uint32_t K;
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/// Number of "Filler" bits
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uint32_t F;
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/// LDPC lifting factor
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uint32_t Z;
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/// codeword this transport block is mapped to
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uint8_t codeword;
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/// HARQ-ACKs
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bool decodeResult;
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/// Last index of LLR buffer that contains information.
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/// Used for computing LDPC decoder R
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int llrLen;
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/// Number of segments processed so far
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uint32_t processedSegments;
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decode_abort_t abort_decode;
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} NR_DL_UE_HARQ_t;
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typedef struct {
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fapi_nr_dl_cw_info_t cw_info;
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/// RNTI
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uint16_t rnti;
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/// RNTI type
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uint8_t rnti_type;
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/// Active flag for DLSCH demodulation
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bool active;
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/// Maximum number of LDPC iterations
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uint8_t max_ldpc_iterations;
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/// number of iterations used in last turbo decoding
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int8_t last_iteration_cnt;
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/// bit mask of PT-RS ofdm symbol indicies
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uint16_t ptrs_symbols;
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// PTRS symbol index, to be updated every PTRS symbol within a slot.
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uint8_t ptrs_symbol_index;
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} NR_UE_DLSCH_t;
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typedef struct {
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uint16_t Q_dash_ACK; // number of coded HARQ-ACK symbols
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uint16_t E_uci_ACK; // number of coded HARQ-ACK bits
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uint16_t Q_dash_ACK_rvd; // number of coded HARQ-ACK symbols reserved
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uint16_t E_uci_ACK_rvd; // number of coded HARQ-ACK bits reserved
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uint16_t Q_dash_CSI1; // number of coded CSI part 1 symbols
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uint16_t E_uci_CSI1; // number of coded CSI part 1 bits
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uint16_t Q_dash_CSI2; // number of coded CSI part 2 symbols
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uint16_t E_uci_CSI2; // number of coded CSI part 2 bits
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uint32_t G_ulsch; // bit capacity of ULSCH
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} rate_match_info_uci_t;
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#endif
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