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openairinterface5g/openair1/PHY/CODING/nrLDPC_defs.h
T
Jaroslava Fiedlerova 6bec8779c6 Enhance T2 Offload for gNB and UE
- Reworked nrLDPC_decoder_offload.c to process all segments in a TB with a single call to LDPCdecoder() or LDPCencoder().
- Perform CRC checks on the T2.
- Modified nr_ulsch_decoding (gNB decoder) to:
  - Count processed segments.
  - Properly perform CRC checks.
- Created a constant NR_LDPC_MAX_NUM_CB to define the maximum number of codeblocks.
- Conditional library loading:
  - On gNB: Load ldpc_t2 library if offload is enabled using the --ldpc-offload-enable flag.
  - On UE: Load both ldpc_t2 and ldpc libraries since only encoder offload is supported.
- General cleanup of nrLDPC_decoder_offload.c for improved readability and maintainability.
- Modified the structure of LDPC encoder/decoder/offload parameters:
  - Introduced a structure for code block (CB) related parameters.
  - Removed parameter E from the encoder and offload parameter structures for clarity.
  - Replaced E with perCB->E_cb in the UE encoder code.
2024-06-27 14:40:41 +02:00

91 lines
3.1 KiB
C

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
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* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
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*/
//============================================================================================================================
// encoder interface
#ifndef __NRLDPC_DEFS__H__
#define __NRLDPC_DEFS__H__
#include <openair1/PHY/defs_nr_common.h>
#include "openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_types.h"
/**
\brief LDPC encoder
\param 1 input
\param 2 channel_input
\param 3 int Zc
\param 4 int Kb
\param 5 short block_length
\param 6 short BG
\param 7 int n_segment
\param 8 unsigned int macro_num
\param 9-12 time_stats_t *tinput,*tprep, *tparity,*toutput
*/
typedef struct {
unsigned int n_segments; // optim8seg
unsigned int macro_num; // optim8segmulti
unsigned char gen_code; //orig
time_stats_t *tinput;
time_stats_t *tprep;
time_stats_t *tparity;
time_stats_t *toutput;
int Kr;
uint32_t Kb;
uint32_t Zc;
void *harq;
/// Encoder BG
uint8_t BG;
/// Interleaver outputs
unsigned char *output;
/// Number of bits in "small" code segments
uint32_t K;
/// Number of "Filler" bits
uint32_t F;
/// Modulation order
uint8_t Qm;
uint32_t Tbslbrm;
unsigned int G;
nrLDPC_params_per_cb_t perCB[NR_LDPC_MAX_NUM_CB];
// Redundancy version index
uint8_t rv;
} encoder_implemparams_t;
typedef int32_t(LDPC_initfunc_t)(void);
typedef int32_t(LDPC_shutdownfunc_t)(void);
// decoder interface
/**
\brief LDPC decoder API type definition
\param p_decParams LDPC decoder parameters
\param p_llr Input LLRs
\param p_llrOut Output vector
\param p_profiler LDPC profiler statistics
*/
typedef int32_t(LDPC_decoderfunc_t)(t_nrLDPC_dec_params *p_decParams,
uint8_t harq_pid,
uint8_t ulsch_id,
uint8_t C,
int8_t *p_llr,
int8_t *p_out,
t_nrLDPC_time_stats *,
decode_abort_t *ab);
typedef int32_t(LDPC_encoderfunc_t)(uint8_t **, uint8_t **, encoder_implemparams_t *);
#endif