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Commit f4274b2b authored by Raphael Defosseux's avatar Raphael Defosseux
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Merge remote-tracking branch 'origin/NCTU_GPU_ldpctest' into develop_integration_2020_w24

parents 128aa797 c68c6153
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openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
View file @ f4274b2b
...@@ -12,8 +12,8 @@ ...@@ -12,8 +12,8 @@
#include <unistd.h> #include <unistd.h>
#include <cuda_runtime.h> #include <cuda_runtime.h>
#include <cuda.h> #include <cuda.h>
#include "PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_types.h" #include "PHY/CODING/nrLDPC_decoder/nrLDPC_types.h"
#include "PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_defs.h" #include "PHY/CODING/nrLDPC_decoder/nrLDPCdecoder_defs.h"
#include "bgs/BG1_I0" #include "bgs/BG1_I0"
#include "bgs/BG1_I1" #include "bgs/BG1_I1"
......
openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
View file @ f4274b2b
#ifndef __NR_LDPC_DECODER_LYC__H__ #ifndef __NR_LDPC_DECODER_LYC__H__
#define __NR_LDPC_DECODER_LYC__H__ #define __NR_LDPC_DECODER_LYC__H__
#include "nrLDPC_types.h"
#include "nrLDPC_init_mem.h"
/*! \file PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h /*! \file PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
* \brief LDPC cuda support BG1 all length * \brief LDPC cuda support BG1 all length
......
openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_defs.h deleted 100644 → 0
View file @ 128aa797
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_defs.h
* \brief LDPC cuda support BG1 all length
* \author NCTU OpinConnect Terng-Yin Hsu,WEI-YING,LIN
* \email tyhsu@cs.nctu.edu.tw
* \date 13-05-2020
* \version
* \note
* \warning
*/
/*!\file nrLDPC_defs.h
* \brief Defines all constants and buffers for the LDPC decoder
* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
* \date 27-03-2018
* \version 1.0
* \note
* \warning
* */
#ifndef __NR_LDPC_DECODER_LYC__NR_LDPC_DEFS__H__
#define __NR_LDPC_DECODER_LYC__NR_LDPC_DEFS__H__
// ==============================================================================
// DEFINES
/** Maximum lifting size */
#define NR_LDPC_ZMAX 384
/** Number of columns in BG1 */
#define NR_LDPC_NCOL_BG1 68
/** Number of rows in BG1 */
#define NR_LDPC_NROW_BG1 46
/** Number of edges/entries in BG1 */
#define NR_LDPC_NUM_EDGE_BG1 316
/** Number of check node (CN) groups in BG1
A CN group is defined by its number of connected bit nodes. */
#define NR_LDPC_NUM_CN_GROUPS_BG1 9
/** First column in BG1 that is connected to only a single CN */
#define NR_LDPC_START_COL_PARITY_BG1 26
/** Number of columns in BG1 for rate 1/3 = 22/(68-2) */
#define NR_LDPC_NCOL_BG1_R13 NR_LDPC_NCOL_BG1
/** Number of columns in BG1 for rate 2/3 = 22/(35-2) */
#define NR_LDPC_NCOL_BG1_R23 35
/** Number of columns in BG1 for rate 8/9 ~ 22/(27-2) */
#define NR_LDPC_NCOL_BG1_R89 27
/** Number of bit node (BN) groups in BG1 for rate 1/3
A BN group is defined by its number of connected CNs. */
#define NR_LDPC_NUM_BN_GROUPS_BG1_R13 30
/** Number of bit node (BN) groups in BG1 for rate 2/3 */
#define NR_LDPC_NUM_BN_GROUPS_BG1_R23 8
/** Number of bit node (BN) groups in BG1 for rate 8/9 */
#define NR_LDPC_NUM_BN_GROUPS_BG1_R89 5
/** Number of columns in BG2 */
#define NR_LDPC_NCOL_BG2 52
/** Number of rows in BG2 */
#define NR_LDPC_NROW_BG2 42
/** Number of edges/entries in BG2 */
#define NR_LDPC_NUM_EDGE_BG2 197
/** Number of check node (CN) groups in BG2
A CN group is defined by its number of connected bit nodes. */
#define NR_LDPC_NUM_CN_GROUPS_BG2 6
/** First column in BG2 that is connected to only a single CN */
#define NR_LDPC_START_COL_PARITY_BG2 14
/** Number of columns in BG2 for rate 1/5 = 10/(52-2) */
#define NR_LDPC_NCOL_BG2_R15 NR_LDPC_NCOL_BG2
/** Number of columns in BG2 for rate 1/3 = 10/(32-2) */
#define NR_LDPC_NCOL_BG2_R13 32
/** Number of columns in BG2 for rate 2/3 = 10/(17-2) */
#define NR_LDPC_NCOL_BG2_R23 17
/** Number of bit node (BN) groups in BG2 for rate 1/5
A BN group is defined by its number of connected CNs. */
#define NR_LDPC_NUM_BN_GROUPS_BG2_R15 23
/** Number of bit node (BN) groups in BG2 for rate 1/3 */
#define NR_LDPC_NUM_BN_GROUPS_BG2_R13 10
/** Number of bit node (BN) groups in BG2 for rate 2/3 */
#define NR_LDPC_NUM_BN_GROUPS_BG2_R23 6
/** Worst case size of the CN processing buffer */
#define NR_LDPC_SIZE_CN_PROC_BUF NR_LDPC_NUM_EDGE_BG1*NR_LDPC_ZMAX
/** Worst case size of the BN processing buffer */
#define NR_LDPC_SIZE_BN_PROC_BUF NR_LDPC_NUM_EDGE_BG1*NR_LDPC_ZMAX
/** Maximum number of possible input LLR = NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX */
#define NR_LDPC_MAX_NUM_LLR 26112
// ==============================================================================
// GLOBAL CONSTANT VARIABLES
/** Start addresses for the cnProcBuf for each CN group in BG1*/
static const uint32_t lut_startAddrCnGroups_BG1[NR_LDPC_NUM_CN_GROUPS_BG1] = {0, 1152, 8832, 43392, 61824, 75264, 81408, 88320, 92160};
/** Start addresses for the cnProcBuf for each CN group in BG2*/
static const uint32_t lut_startAddrCnGroups_BG2[NR_LDPC_NUM_CN_GROUPS_BG2] = {0, 6912, 37632, 54912, 61824, 67968};
/** Number of BNs of CN group for BG1.
E.g. 10 means that there is a CN group where every CN is connected to 10 BNs */
static const uint8_t lut_numBnInCnGroups_BG1_R13[NR_LDPC_NUM_CN_GROUPS_BG1] = {3, 4, 5, 6, 7, 8, 9, 10, 19};
/** Number of rows/CNs in every CN group for rate = 1/3 BG1, e.g. 5 rows of CNs connected to 4 BNs */
static const uint8_t lut_numCnInCnGroups_BG1_R13[NR_LDPC_NUM_CN_GROUPS_BG1] = {1, 5, 18, 8, 5, 2, 2, 1, 4};
/** Number of rows/CNs in every CN group for rate = 2/3 BG1, e.g. 3 rows of CNs connected to 7 BNs */
static const uint8_t lut_numCnInCnGroups_BG1_R23[NR_LDPC_NUM_CN_GROUPS_BG1] = {1, 0, 0, 0, 3, 2, 2, 1, 4};
/** Number of rows/CNs in every CN group for rate = 8/9 BG1, e.g. 4 rows of CNs connected to 19 BNs */
static const uint8_t lut_numCnInCnGroups_BG1_R89[NR_LDPC_NUM_CN_GROUPS_BG1] = {1, 0, 0, 0, 0, 0, 0, 0, 4};
/** Number of connected BNs for every column in BG1 rate = 1/3, e.g. in first column all BNs are connected to 30 CNs */
static const uint8_t lut_numEdgesPerBn_BG1_R13[NR_LDPC_START_COL_PARITY_BG1] = {30, 28, 7, 11, 9, 4, 8, 12, 8, 7, 12, 10, 12, 11, 10, 7, 10, 10, 13, 7, 8, 11, 12, 5, 6, 6};
/** Number of connected BNs for every column in BG1 rate = 2/3, e.g. in first column all BNs are connected to 12 CNs */
static const uint8_t lut_numEdgesPerBn_BG1_R23[NR_LDPC_START_COL_PARITY_BG1] = {12, 11, 4, 5, 5, 3, 4, 5, 5, 3, 6, 6, 6, 6, 5, 3, 6, 5, 6, 4, 5, 6, 6, 3, 3, 2};
/** Number of connected BNs for every column in BG1 rate = 8/9, e.g. in first column all BNs are connected to 5 CNs */
static const uint8_t lut_numEdgesPerBn_BG1_R89[NR_LDPC_START_COL_PARITY_BG1] = {5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2};
/** Number of BNs of CN group for BG2.
E.g. 3 means that there is a CN group where every CN is connected to 3 BNs */
static const uint8_t lut_numBnInCnGroups_BG2_R15[NR_LDPC_NUM_CN_GROUPS_BG2] = {3, 4, 5, 6, 8, 10};
/** Number of rows/CNs in every CN group for rate = 1/5 BG2, e.g. 6 rows of CNs connected to 3 BNs */
static const uint8_t lut_numCnInCnGroups_BG2_R15[NR_LDPC_NUM_CN_GROUPS_BG2] = {6, 20, 9, 3, 2, 2};
/** Number of rows/CNs in every CN group for rate = 1/3 BG2, e.g. 8 rows of CNs connected to 4 BNs */
static const uint8_t lut_numCnInCnGroups_BG2_R13[NR_LDPC_NUM_CN_GROUPS_BG2] = {0, 8, 7, 3, 2, 2};
/** Number of rows/CNs in every CN group for rate = 2/3 BG2, e.g. 1 row of CNs connected to 4 BNs */
static const uint8_t lut_numCnInCnGroups_BG2_R23[NR_LDPC_NUM_CN_GROUPS_BG2] = {0, 1, 0, 2, 2, 2};
/** Number of connected BNs for every column in BG2 rate = 1/5, e.g. in first column all BNs are connected to 22 CNs */
static const uint8_t lut_numEdgesPerBn_BG2_R15[NR_LDPC_START_COL_PARITY_BG2] = {22, 23, 10, 5, 5, 14, 7, 13, 6, 8, 9, 16, 9, 12};
/** Number of connected BNs for every column in BG2 rate = 1/3, e.g. in first column all BNs are connected to 14 CNs */
static const uint8_t lut_numEdgesPerBn_BG2_R13[NR_LDPC_START_COL_PARITY_BG2] = {14, 16, 2, 4, 4, 6, 6, 8, 6, 6, 6, 13, 5, 7};
/** Number of connected BNs for every column in BG2 rate = 2/3, e.g. in first column all BNs are connected to 6 CNs */
static const uint8_t lut_numEdgesPerBn_BG2_R23[NR_LDPC_START_COL_PARITY_BG2] = { 6, 5, 2, 3, 3, 4, 3, 4, 3, 4, 3, 5, 2, 2};
// Number of groups for bit node processing
/** Number of connected CNs for every column/BN in BG1 for rate = 1/3, Worst case is BG1 with up to 30 CNs connected to one BN
E.g. 42 parity BNs connected to single CN */
// BG1: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
static const uint8_t lut_numBnInBnGroups_BG1_R13[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = {42, 0, 0, 1, 1, 2, 4, 3, 1, 4, 3, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1};
/** Number of connected CNs for every column/BN in BG1 for rate = 2/3 */
static const uint8_t lut_numBnInBnGroups_BG1_R23[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = { 9, 1, 5, 3, 7, 8, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/** Number of connected CNs for every column/BN in BG1 for rate = 8/9 */
static const uint8_t lut_numBnInBnGroups_BG1_R89[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = { 1, 3,21, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/** Number of connected CNs for every column/BN in BG2 for rate = 1/5, Worst case is BG1 with up to 30 CNs connected to one BN
E.g. 38 parity BNs connected to single CN */
// BG2: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
static const uint8_t lut_numBnInBnGroups_BG2_R15[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = {38, 0, 0, 0, 2, 1, 1, 1, 2, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0};
/** Number of connected CNs for every column/BN in BG2 for rate = 1/3 */
static const uint8_t lut_numBnInBnGroups_BG2_R13[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = {18, 1, 0, 2, 1, 5, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
/** Number of connected CNs for every column/BN in BG2 for rate = 2/3 */
static const uint8_t lut_numBnInBnGroups_BG2_R23[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = { 3, 3, 5, 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Start addresses for the bnProcBuf for each BN group
// BG1
/** Start address for every BN group within the BN processing buffer for BG1 rate = 1/3 */
static const uint32_t lut_startAddrBnGroups_BG1_R13[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = {0, 16128, 17664, 19584, 24192, 34944, 44160, 47616, 62976, 75648, 94080, 99072, 109824};
/** Start address for every BN group within the BN processing buffer for BG1 rate = 2/3 */
static const uint32_t lut_startAddrBnGroups_BG1_R23[NR_LDPC_NUM_BN_GROUPS_BG1_R23] = {0, 3456, 4224, 9984, 14592, 28032, 46464, 50688};
/** Start address for every BN group within the BN processing buffer for BG1 rate = 8/9 */
static const uint32_t lut_startAddrBnGroups_BG1_R89[NR_LDPC_NUM_BN_GROUPS_BG1_R89] = {0, 384, 2688, 26880, 28416};
/** Start address for every BN group within the LLR processing buffer for BG1 rate = 1/3 */
static const uint16_t lut_startAddrBnGroupsLlr_BG1_R13[NR_LDPC_NUM_BN_GROUPS_BG1_R13] = {0, 16128, 16512, 16896, 17664, 19200, 20352, 20736, 22272, 23424, 24960, 25344, 25728};
/** Start address for every BN group within the LLR processing buffer for BG1 rate = 2/3 */
static const uint16_t lut_startAddrBnGroupsLlr_BG1_R23[NR_LDPC_NUM_BN_GROUPS_BG1_R23] = {0, 3456, 3840, 5760, 6912, 9600, 12672, 13056};
/** Start address for every BN group within the LLR processing buffer for BG1 rate = 8/9 */
static const uint16_t lut_startAddrBnGroupsLlr_BG1_R89[NR_LDPC_NUM_BN_GROUPS_BG1_R89] = {0, 384, 1536, 9600, 9984};
// BG2
/** Start address for every BN group within the BN processing buffer for BG2 rate = 1/5 */
static const uint32_t lut_startAddrBnGroups_BG2_R15[NR_LDPC_NUM_BN_GROUPS_BG2_R15] = {0, 14592, 18432, 20736, 23424, 26496, 33408, 37248, 41856, 46848, 52224, 58368, 66816};
/** Start address for every BN group within the BN processing buffer for BG2 rate = 1/3 */
static const uint32_t lut_startAddrBnGroups_BG2_R13[NR_LDPC_NUM_BN_GROUPS_BG2_R13] = {0, 6912, 7680, 10752, 12672, 24192, 26880, 29952, 34944, 40320};
/** Start address for every BN group within the BN processing buffer for BG2 rate = 2/3 */
static const uint32_t lut_startAddrBnGroups_BG2_R23[NR_LDPC_NUM_BN_GROUPS_BG2_R23] = {0, 1152, 3456, 9216, 13824, 17664};
/** Start address for every BN group within the LLR processing buffer for BG2 rate = 1/5 */
static const uint16_t lut_startAddrBnGroupsLlr_BG2_R15[NR_LDPC_NUM_BN_GROUPS_BG2_R15] = {0, 14592, 15360, 15744, 16128, 16512, 17280, 17664, 18048, 18432, 18816, 19200, 19584};
/** Start address for every BN group within the LLR processing buffer for BG2 rate = 1/3 */
static const uint16_t lut_startAddrBnGroupsLlr_BG2_R13[NR_LDPC_NUM_BN_GROUPS_BG2_R13] = {0, 6912, 7296, 8064, 8448, 10368, 10752, 11136, 11520, 11904};
/** Start address for every BN group within the LLR processing buffer for BG2 rate = 2/3 */
static const uint16_t lut_startAddrBnGroupsLlr_BG2_R23[NR_LDPC_NUM_BN_GROUPS_BG2_R23] = {0, 1152, 2304, 4224, 5376, 6144};
/** Vector of 32 '1' in int8 for application with AVX2 */
static const int8_t ones256_epi8[32] __attribute__ ((aligned(32))) = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
/** Vector of 32 '0' in int8 for application with AVX2 */
static const int8_t zeros256_epi8[32] __attribute__ ((aligned(32))) = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
/** Vector of 32 '127' in int8 for application with AVX2 */
static const int8_t maxLLR256_epi8[32] __attribute__ ((aligned(32))) = {127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127};
#endif
openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_init_mem.h deleted 100644 → 0
View file @ 128aa797
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*!\file nrLDPC_init_mem.h
* \brief Defines the function to initialize the LDPC decoder and sets correct LUTs.
* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
* \date 07-12-2018
* \version 1.0
* \note
* \warning
*/
#ifndef __NR_LDPC_DECODER_LYC__NR_LDPC_INIT_MEM__H__
#define __NR_LDPC_DECODER_LYC__NR_LDPC_INIT_MEM__H__
#include <stdlib.h>
#include "nrLDPC_defs.h"
#include "nrLDPC_types.h"
#ifndef malloc32_clear
/**
\brief Allocates 32 byte aligned memory and initializes to zero
\param size Input size in bytes
\return Pointer to memory
*/
static inline void* malloc32_clear(size_t size)
{
void* ptr = (void*) memalign(32, size+32);
memset(ptr, 0, size);
return ptr;
}
#endif
/**
\brief Allocates and initializes the internal decoder processing buffers
\param p_decParams Pointer to decoder parameters
\param p_lut Pointer to decoder LUTs
\return Number of LLR values
*/
static inline t_nrLDPC_procBuf* nrLDPC_init_mem(void)
{
t_nrLDPC_procBuf* p_procBuf = (t_nrLDPC_procBuf*) malloc32_clear(sizeof(t_nrLDPC_procBuf));
if (p_procBuf)
{
p_procBuf->cnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
p_procBuf->cnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
p_procBuf->bnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
p_procBuf->bnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
p_procBuf->llrRes = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
p_procBuf->llrProcBuf = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
}
return(p_procBuf);
}
static inline void nrLDPC_free_mem(t_nrLDPC_procBuf* p_procBuf)
{
free(p_procBuf->cnProcBuf);
free(p_procBuf->cnProcBufRes);
free(p_procBuf->bnProcBuf);
free(p_procBuf->bnProcBufRes);
free(p_procBuf->llrRes);
free(p_procBuf->llrProcBuf);
free(p_procBuf);
}
#endif
openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_types.h deleted 100644 → 0
View file @ 128aa797
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*!\file nrLDPC_types.h
* \brief Defines all types for the LDPC decoder
* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
* \date 27-03-2018
* \version 1.0
* \note
* \warning
*/
#ifndef __NR_LDPC_DECODER_LYC__NR_LDPC_TYPES__H__
#define __NR_LDPC_DECODER_LYC__NR_LDPC_TYPES__H__
#include "PHY/TOOLS/time_meas.h"
#include "nrLDPC_defs.h"
// ==============================================================================
// TYPES
/**
Structure containing the pointers to the LUTs.
*/
typedef struct nrLDPC_lut {
const uint32_t* startAddrCnGroups; /**< Start addresses for CN groups in CN processing buffer */
const uint8_t* numCnInCnGroups; /**< Number of CNs in every CN group */
const uint8_t* numBnInBnGroups; /**< Number of CNs in every BN group */
const uint32_t* startAddrBnGroups; /**< Start addresses for BN groups in BN processing buffer */
const uint16_t* startAddrBnGroupsLlr; /**< Start addresses for BN groups in LLR processing buffer */
const uint16_t** circShift[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT for circular shift values for all CN groups and Zs */
const uint32_t** startAddrBnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT of start addresses of CN groups in BN proc buffer */
const uint8_t** bnPosBnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT of BN positions in BG for CN groups */
const uint16_t* llr2llrProcBufAddr; /**< LUT for transferring input LLRs to LLR processing buffer */
const uint8_t* llr2llrProcBufBnPos; /**< LUT BN position in BG */
const uint8_t** posBnInCnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT for llr2cnProcBuf */
} t_nrLDPC_lut;
/**
Enum with possible LDPC output formats.
*/
typedef enum nrLDPC_outMode {
nrLDPC_outMode_BIT, /**< 32 bits per uint32_t output */
nrLDPC_outMode_BITINT8, /**< 1 bit per int8_t output */
nrLDPC_outMode_LLRINT8 /**< Single LLR value per int8_t output */
} e_nrLDPC_outMode;
/**
Structure containing LDPC decoder parameters.
*/
typedef struct nrLDPC_dec_params {
uint8_t BG; /**< Base graph */
uint16_t Z; /**< Lifting size */
uint8_t R; /**< Decoding rate: Format 15,13,... for code rates 1/5, 1/3,... */
uint8_t numMaxIter; /**< Maximum number of iterations */
e_nrLDPC_outMode outMode; /**< Output format */
} t_nrLDPC_dec_params;
/**
Structure containing LDPC decoder processing time statistics.
*/
typedef struct nrLDPC_time_stats {
time_stats_t llr2llrProcBuf; /**< Statistics for function llr2llrProcBuf */
time_stats_t llr2CnProcBuf; /**< Statistics for function llr2CnProcBuf */
time_stats_t cnProc; /**< Statistics for function cnProc */
time_stats_t cnProcPc; /**< Statistics for function cnProcPc */
time_stats_t bnProcPc; /**< Statistics for function bnProcPc */
time_stats_t bnProc; /**< Statistics for function bnProc */
time_stats_t cn2bnProcBuf; /**< Statistics for function cn2bnProcBuf */
time_stats_t bn2cnProcBuf; /**< Statistics for function bn2cnProcBuf */
time_stats_t llrRes2llrOut; /**< Statistics for function llrRes2llrOut */
time_stats_t llr2bit; /**< Statistics for function llr2bit */
time_stats_t total; /**< Statistics for total processing time */
} t_nrLDPC_time_stats;
/**
Structure containing the processing buffers
*/
typedef struct nrLDPC_procBuf {
int8_t* cnProcBuf; /**< CN processing buffer */
int8_t* cnProcBufRes; /**< Buffer for CN processing results */
int8_t* bnProcBuf; /**< BN processing buffer */
int8_t* bnProcBufRes; /**< Buffer for BN processing results */
int8_t* llrRes; /**< Buffer for LLR results */
int8_t* llrProcBuf; /**< LLR processing buffer */
} t_nrLDPC_procBuf;
#endif
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