Commit 5dbfc4b6 authored by laurent's avatar laurent

ldpc check based on crc

parent dae79d1f
......@@ -399,8 +399,8 @@ unsigned int crc8 (unsigned char * inptr, int bitlen);
@param bitlen length of inputs in bits*/
unsigned int crc6 (unsigned char * inptr, int bitlen);
int check_crc(uint8_t* decoded_bytes, uint32_t n, uint32_t F, uint8_t crc_type);
int check_crc(uint8_t *decoded_bytes, uint32_t n, uint8_t crc_type);
/*!\fn void phy_viterbi_dot11_sse2(int8_t *y, uint8_t *decoded_bytes, uint16_t n,int offset,int traceback)
\brief This routine performs a SIMD optmized Viterbi decoder for the 802.11 64-state convolutional code. It can be
run in segments with final trace back after last segment.
......
......@@ -313,7 +313,7 @@ uint32_t crc6(unsigned char* inptr, int bitlen)
return crc;
}
int check_crc(uint8_t* decoded_bytes, uint32_t n, uint32_t F, uint8_t crc_type)
int check_crc(uint8_t* decoded_bytes, uint32_t n, uint8_t crc_type)
{
uint32_t crc=0,oldcrc=0;
uint8_t crc_len=0;
......
......@@ -2728,41 +2728,25 @@ static inline void nrLDPC_bnProc(t_nrLDPC_lut* p_lut, int8_t* bnProcBuf, int8_t*
*/
static inline void nrLDPC_llr2bit(int8_t* out, int8_t* llrOut, uint16_t numLLR)
{
__m256i* p_llrOut = (__m256i*) llrOut;
__m256i* p_out = (__m256i*) out;
int8_t* p_llrOut8;
int8_t* p_out8;
uint32_t i;
uint32_t M = numLLR>>5;
uint32_t Mr = numLLR&31;
__m256i* p_llrOut = (__m256i*)llrOut;
__m256i* p_out = (__m256i*)out;
const int M = numLLR >> 5;
const int Mr = numLLR & 31;
const __m256i* p_zeros = (__m256i*) zeros256_epi8;
const __m256i* p_ones = (__m256i*) ones256_epi8;
const __m256i* p_zeros = (__m256i*)zeros256_epi8;
const __m256i* p_ones = (__m256i*)ones256_epi8;
for (i=0; i<M; i++)
{
*p_out++ = simde_mm256_and_si256(*p_ones, simde_mm256_cmpgt_epi8(*p_zeros, *p_llrOut));
p_llrOut++;
}
for (int i = 0; i < M; i++) {
*p_out++ = simde_mm256_and_si256(*p_ones, simde_mm256_cmpgt_epi8(*p_zeros, *p_llrOut));
p_llrOut++;
}
if (Mr > 0)
{
// Remaining LLRs that do not fit in multiples of 32 bytes
p_llrOut8 = (int8_t*) p_llrOut;
p_out8 = (int8_t*) p_out;
// Remaining LLRs that do not fit in multiples of 32 bytes
int8_t* p_llrOut8 = (int8_t*)p_llrOut;
int8_t* p_out8 = (int8_t*)p_out;
for (i=0; i<Mr; i++)
{
if (p_llrOut8[i] < 0)
{
p_out8[i] = 1;
}
else
{
p_out8[i] = 0;
}
}
}
for (int i = 0; i < Mr; i++)
p_out8[i] = p_llrOut8[i] < 0;
}
/**
......@@ -2778,44 +2762,29 @@ static inline void nrLDPC_llr2bitPacked(int8_t* out, int8_t* llrOut, uint16_t nu
{
/** Vector of indices for shuffling input */
const uint8_t constShuffle_256_epi8[32] __attribute__ ((aligned(32))) = {7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0,15,14,13,12,11,10,9,8};
const __m256i* p_shuffle = (__m256i*)constShuffle_256_epi8;
__m256i* p_llrOut = (__m256i*) llrOut;
uint32_t* p_bits = (uint32_t*) out;
__m256i inPerm;
int8_t* p_llrOut8;
uint32_t bitsTmp = 0;
uint32_t i;
uint32_t M = numLLR>>5;
uint32_t Mr = numLLR&31;
const __m256i* p_shuffle = (__m256i*) constShuffle_256_epi8;
for (i=0; i<M; i++)
{
// Move LSB to MSB on 8 bits
inPerm = simde_mm256_shuffle_epi8(*p_llrOut,*p_shuffle);
// Hard decision
*p_bits++ = simde_mm256_movemask_epi8(inPerm);
p_llrOut++;
const uint32_t M = numLLR >> 5;
const uint32_t Mr = numLLR & 31;
for (uint32_t i = 0; i < M; i++) {
// Move LSB to MSB on 8 bits
const __m256i inPerm = simde_mm256_shuffle_epi8(*p_llrOut, *p_shuffle);
// Hard decision
*p_bits++ = simde_mm256_movemask_epi8(inPerm);
p_llrOut++;
}
if (Mr > 0)
{
// Remaining LLRs that do not fit in multiples of 32 bytes
p_llrOut8 = (int8_t*) p_llrOut;
for (i=0; i<Mr; i++)
{
if (p_llrOut8[i] < 0)
{
bitsTmp |= (1<<((7-i) + (16*(i/8))));
}
else
{
bitsTmp |= (0<<((7-i) + (16*(i/8))));
}
}
// Remaining LLRs that do not fit in multiples of 32 bytes
if (Mr) {
const int8_t* p_llrOut8 = (int8_t*)p_llrOut;
uint32_t bitsTmp = 0;
for (uint32_t i = 0; i < Mr; i++)
bitsTmp |= (p_llrOut8[i] < 0) << ((7 - i) + (16 * (i / 8)));
*p_bits = bitsTmp;
}
*p_bits = bitsTmp;
}
#endif
......@@ -107,13 +107,9 @@
#endif
#define NR_LDPC_ENABLE_PARITY_CHECK
//#define NR_LDPC_PROFILER_DETAIL
//#define NR_LDPC_ENABLE_PARITY_CHECK
//#define NR_LDPC_PROFILER_DETAIL(a) a
#define NR_LDPC_PROFILER_DETAIL(a)
#ifdef NR_LDPC_DEBUG_MODE
#include "nrLDPC_tools/nrLDPC_debug.h"
......@@ -134,18 +130,19 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams,
t_nrLDPC_time_stats* p_profiler,
decode_abort_t* ab)
{
uint32_t numLLR;
uint32_t numIter = 0;
t_nrLDPC_lut lut;
t_nrLDPC_lut* p_lut = &lut;
// Initialize decoder core(s) with correct LUTs
numLLR = nrLDPC_init(p_decParams, p_lut);
// Launch LDPC decoder core for one segment
numIter = nrLDPC_decoder_core(p_llr, p_out, numLLR, p_lut, p_decParams, p_profiler, ab);
if (numIter > p_decParams->numMaxIter)
set_abort(ab, true);
uint32_t numLLR;
t_nrLDPC_lut lut;
t_nrLDPC_lut* p_lut = &lut;
// Initialize decoder core(s) with correct LUTs
numLLR = nrLDPC_init(p_decParams, p_lut);
// Launch LDPC decoder core for one segment
int numIter = nrLDPC_decoder_core(p_llr, p_out, numLLR, p_lut, p_decParams, p_profiler, ab);
if (numIter > p_decParams->numMaxIter) {
LOG_D(PHY, "set abort: %d, %d\n", numIter, p_decParams->numMaxIter);
set_abort(ab, true);
}
return numIter;
}
......@@ -183,9 +180,7 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
int8_t llrOut[NR_LDPC_MAX_NUM_LLR] __attribute__ ((aligned(64))) = {0};
// Minimum number of iterations is 1
// 0 iterations means hard-decision on input LLRs
uint32_t i = 1;
// Initialize with parity check fail != 0
int32_t pcRes = 1;
int8_t* p_llrOut;
if (outMode == nrLDPC_outMode_LLRINT8)
......@@ -200,27 +195,20 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
// Initialization
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->llr2llrProcBuf);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->llr2llrProcBuf));
nrLDPC_llr2llrProcBuf(p_lut, p_llr, llrProcBuf, Z, BG);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->llr2llrProcBuf);
#endif
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->llr2llrProcBuf));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_initBuffer2File(nrLDPC_buffers_LLR_PROC);
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_LLR_PROC, llrProcBuf);
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->llr2CnProcBuf);
#endif
if (BG == 1) nrLDPC_llr2CnProcBuf_BG1(p_lut, p_llr, cnProcBuf, Z);
else nrLDPC_llr2CnProcBuf_BG2(p_lut, p_llr, cnProcBuf, Z);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->llr2CnProcBuf);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->llr2CnProcBuf));
if (BG == 1)
nrLDPC_llr2CnProcBuf_BG1(p_lut, p_llr, cnProcBuf, Z);
else
nrLDPC_llr2CnProcBuf_BG2(p_lut, p_llr, cnProcBuf, Z);
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->llr2CnProcBuf));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_initBuffer2File(nrLDPC_buffers_CN_PROC);
......@@ -230,12 +218,10 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
// First iteration
// CN processing
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->cnProc);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->cnProc));
if (BG==1) {
#ifndef UNROLL_CN_PROC
nrLDPC_cnProc_BG1(p_lut, cnProcBuf, cnProcBufRes, Z);
#ifndef UNROLL_CN_PROC
nrLDPC_cnProc_BG1(p_lut, cnProcBuf, cnProcBufRes, Z);
#else
switch (R)
{
......@@ -307,23 +293,19 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
}
#endif
}
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->cnProc);
#endif
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->cnProc));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_initBuffer2File(nrLDPC_buffers_CN_PROC_RES);
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_CN_PROC_RES, cnProcBufRes);
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->cn2bnProcBuf);
#endif
if (BG == 1) nrLDPC_cn2bnProcBuf_BG1(p_lut, cnProcBufRes, bnProcBuf, Z);
else nrLDPC_cn2bnProcBuf_BG2(p_lut, cnProcBufRes, bnProcBuf, Z);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->cn2bnProcBuf);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->cn2bnProcBuf));
if (BG == 1)
nrLDPC_cn2bnProcBuf_BG1(p_lut, cnProcBufRes, bnProcBuf, Z);
else
nrLDPC_cn2bnProcBuf_BG2(p_lut, cnProcBufRes, bnProcBuf, Z);
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->cn2bnProcBuf));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_initBuffer2File(nrLDPC_buffers_BN_PROC);
......@@ -331,10 +313,7 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
#endif
// BN processing
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->bnProcPc);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->bnProcPc));
#ifndef UNROLL_BN_PROC_PC
nrLDPC_bnProcPc(p_lut, bnProcBuf, bnProcBufRes, llrProcBuf, llrRes, Z);
......@@ -379,18 +358,14 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
}
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->bnProcPc);
#endif
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->bnProcPc));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_initBuffer2File(nrLDPC_buffers_LLR_RES);
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_LLR_RES, llrRes);
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->bnProc);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->bnProc));
if (BG==1) {
#ifndef UNROLL_BN_PROC
......@@ -491,13 +466,16 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
// estimated after only one iteration
// First iteration finished
while ( (i < numMaxIter) && (pcRes != 0) ) {
// Increase iteration counter
i++;
if (check_abort(ab))
return numMaxIter + 2;
// CN processing
uint32_t numIter = 1;
int32_t pcRes = 1; // pcRes is 0 if the ldpc decoder is succesful
while ((numIter <= numMaxIter) && (pcRes != 0)) {
// Increase iteration counter
numIter++;
if (check_abort(ab)) {
numIter = numMaxIter + 2;
break;
}
// CN processing
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->cnProc);
#endif
......@@ -593,9 +571,7 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
#endif
// BN Processing
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->bnProcPc);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->bnProcPc));
#ifndef UNROLL_BN_PROC_PC
nrLDPC_bnProcPc(p_lut, bnProcBuf, bnProcBufRes, llrProcBuf, llrRes, Z);
......@@ -639,17 +615,13 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
}
}
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->bnProcPc);
#endif
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->bnProcPc));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_LLR_RES, llrRes);
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->bnProc);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->bnProc));
#ifndef UNROLL_BN_PROC
nrLDPC_bnProc(p_lut, bnProcBuf, bnProcBufRes, llrRes, Z);
#else
......@@ -717,25 +689,19 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
}
#endif
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->bnProc);
#endif
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->bnProc));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_BN_PROC_RES, bnProcBufRes);
#endif
// BN results to CN processing buffer
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->bn2cnProcBuf);
#endif
if (BG == 1) nrLDPC_bn2cnProcBuf_BG1(p_lut, bnProcBufRes, cnProcBuf, Z);
else nrLDPC_bn2cnProcBuf_BG2(p_lut, bnProcBufRes, cnProcBuf, Z);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->bn2cnProcBuf);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->bn2cnProcBuf));
if (BG == 1)
nrLDPC_bn2cnProcBuf_BG1(p_lut, bnProcBufRes, cnProcBuf, Z);
else
nrLDPC_bn2cnProcBuf_BG2(p_lut, bnProcBufRes, cnProcBuf, Z);
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->bn2cnProcBuf));
#ifdef NR_LDPC_DEBUG_MODE
nrLDPC_debug_writeBuffer2File(nrLDPC_buffers_CN_PROC, cnProcBuf);
......@@ -743,40 +709,27 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr,
// Parity Check
#ifdef NR_LDPC_ENABLE_PARITY_CHECK
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->cnProcPc);
#endif
if (BG == 1) pcRes = nrLDPC_cnProcPc_BG1(p_lut, cnProcBuf, cnProcBufRes, Z);
else pcRes = nrLDPC_cnProcPc_BG2(p_lut, cnProcBuf, cnProcBufRes, Z);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->cnProcPc);
#endif
#endif
} // end while
// Last iteration
if (pcRes != 0) i++;
// Assign results from processing buffer to output
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->llrRes2llrOut);
#endif
nrLDPC_llrRes2llrOut(p_lut, p_llrOut, llrRes, Z, BG);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->llrRes2llrOut);
#endif
// Hard-decision
#ifdef NR_LDPC_PROFILER_DETAIL
start_meas(&p_profiler->llr2bit);
#endif
if (outMode == nrLDPC_outMode_BIT) nrLDPC_llr2bitPacked(p_out, p_llrOut, numLLR);
else //if (outMode == nrLDPC_outMode_BITINT8)
nrLDPC_llr2bit(p_out, p_llrOut, numLLR);
#ifdef NR_LDPC_PROFILER_DETAIL
stop_meas(&p_profiler->llr2bit);
#endif
NR_LDPC_PROFILER_DETAIL(start_meas(&p_profiler->cnProcPc));
if (BG == 1)
pcRes = nrLDPC_cnProcPc_BG1(p_lut, cnProcBuf, cnProcBufRes, Z);
else
pcRes = nrLDPC_cnProcPc_BG2(p_lut, cnProcBuf, cnProcBufRes, Z);
NR_LDPC_PROFILER_DETAIL(stop_meas(&p_profiler->cnProcPc));
#endif
if (numIter > 2) {
nrLDPC_llrRes2llrOut(p_lut, p_llrOut, llrRes, Z, BG);
if (outMode == nrLDPC_outMode_BIT)
nrLDPC_llr2bitPacked(p_out, p_llrOut, numLLR);
else // if (outMode == nrLDPC_outMode_BITINT8)
nrLDPC_llr2bit(p_out, p_llrOut, numLLR);
if (check_crc((uint8_t*)p_out, p_decParams->block_length, p_decParams->crc_type)) {
LOG_D(PHY, "Segment CRC OK, exiting LDPC decoder\n");
break;
}
}
} // end while
return i;
return numIter;
}
......
......@@ -88,6 +88,7 @@ typedef struct nrLDPC_dec_params {
uint8_t numMaxIter; /**< Maximum number of iterations */
int block_length;
e_nrLDPC_outMode outMode; /**< Output format */
int crc_type;
} t_nrLDPC_dec_params;
/**
......
......@@ -551,7 +551,8 @@ int nr_rate_matching_ldpc_rx(uint32_t Tbslbrm,
printf("nr_rate_matching_ldpc_rx: Clear %d, E %u, k0 %u, Ncb %u, rvidx %d, Tbslbrm %u\n", clear, E, ind, Ncb, rvidx, Tbslbrm);
#endif
if (clear==1) memset(w,0,Ncb*sizeof(int16_t));
if (clear == 1)
memset(w, 0, Ncb * sizeof(int16_t));
k=0;
......
......@@ -243,21 +243,9 @@ static void nr_processULSegment(void *arg)
////////////////////////////////// pl =====> llrProcBuf //////////////////////////////////
p_decoderParms->block_length = length_dec;
p_decoderParms->crc_type = crc_type;
rdata->decodeIterations = nrLDPC_decoder(p_decoderParms, (int8_t *)&pl[0], llrProcBuf, p_procTime, &ulsch_harq->abort_decode);
if (rdata->decodeIterations == p_decoderParms->numMaxIter+1 ) {
// We have not decoded succesfully and we have not aborted
// We check the CRC, itf it is ok, let's assume the payload is correctly decoded
// (so the remaining errors are only in the redundancy (parity) bits)
if (check_crc((uint8_t *)llrProcBuf, length_dec, ulsch_harq->F, crc_type)) {
PRINT_CRC_CHECK(LOG_I(PHY,"Segment %d CRC OK, iterations %d/%d\n",r,rdata->decodeIterations,max_ldpc_iterations));
rdata->decodeIterations = p_decoderParms->numMaxIter;
} else {
PRINT_CRC_CHECK(LOG_I(PHY,"CRC NOK\n"));
rdata->decodeIterations = max_ldpc_iterations + 1;
}
}
if (rdata->decodeIterations <= p_decoderParms->numMaxIter)
memcpy(ulsch_harq->c[r],llrProcBuf, Kr>>3);
//stop_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats);
......@@ -273,14 +261,20 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint8_t harq_pid,
uint32_t G)
{
if (!ulsch_llr) {
LOG_E(PHY, "ulsch_decoding.c: NULL ulsch_llr pointer\n");
return -1;
}
NR_gNB_ULSCH_t *ulsch = &phy_vars_gNB->ulsch[ULSCH_id];
NR_gNB_PUSCH *pusch = &phy_vars_gNB->pusch_vars[ULSCH_id];
NR_UL_gNB_HARQ_t *harq_process = ulsch->harq_process;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING, 1);
if (!harq_process) {
LOG_E(PHY,"ulsch_decoding.c: NULL harq_process pointer\n");
return -1;
NR_gNB_ULSCH_t *ulsch = &phy_vars_gNB->ulsch[ULSCH_id];
NR_gNB_PUSCH *pusch = &phy_vars_gNB->pusch_vars[ULSCH_id];
NR_UL_gNB_HARQ_t *harq_process = ulsch->harq_process;
if (!harq_process) {
LOG_E(PHY, "ulsch_decoding.c: NULL harq_process pointer\n");
return -1;
}
uint8_t dtx_det = 0;
......@@ -296,12 +290,6 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint8_t n_layers = pusch_pdu->nrOfLayers;
// ------------------------------------------------------------------
if (!ulsch_llr) {
LOG_E(PHY,"ulsch_decoding.c: NULL ulsch_llr pointer\n");
return -1;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING,1);
harq_process->TBS = pusch_pdu->pusch_data.tb_size;
dtx_det = 0;
......@@ -493,13 +481,13 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
harq_process->c[r][m] = (uint8_t)llrProcBuf[m];
}
if (check_crc((uint8_t *)llrProcBuf, length_dec, harq_process->F, crc_type)) {
if (check_crc((uint8_t *)llrProcBuf, length_dec, crc_type)) {
PRINT_CRC_CHECK(LOG_I(PHY, "Segment %d CRC OK\n", r));
decodeIterations = 2;
} else {
PRINT_CRC_CHECK(LOG_I(PHY, "segment %d CRC NOK\n", r));
PRINT_CRC_CHECK(LOG_I(PHY, "segment %d CRC NOK\n", r));
decodeIterations = ulsch->max_ldpc_iterations + 1;
}
}
//}
r_offset += E;
......
......@@ -113,7 +113,7 @@ static bool nr_ue_postDecode(PHY_VARS_NR_UE *phy_vars_ue,
int A = dlsch->dlsch_config.TBS;
int crc_length = A > 3824 ? 3 : 2;
int crc_type = A > 3824 ? CRC24_A : CRC16;
if (!check_crc(b, A + crc_length*8, 0 /* F - unused */, crc_type)) {
if (!check_crc(b, A + crc_length * 8, crc_type)) {
harq_process->ack = 0;
dlsch->last_iteration_cnt = dlsch->max_ldpc_iterations + 1;
LOG_E(PHY, " Frame %d.%d LDPC global CRC fails, but individual LDPC CRC succeeded. %d segs\n", proc->frame_rx, proc->nr_slot_rx, harq_process->C);
......@@ -269,24 +269,11 @@ static void nr_processDLSegment(void *arg)
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_LDPC, VCD_FUNCTION_IN);
p_decoderParms->block_length=length_dec;
nrLDPC_initcall(p_decoderParms, (int8_t*)&pl[0], LDPCoutput);
p_decoderParms->crc_type = crc_type;
rdata->decodeIterations = nrLDPC_decoder(p_decoderParms, (int8_t *)&pl[0], LDPCoutput, &procTime, &harq_process->abort_decode);
//VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_LDPC, VCD_FUNCTION_OUT);
LOG_W(PHY,"rdata->decodeIterations = %d\n", rdata->decodeIterations);
if (rdata->decodeIterations < dlsch->max_ldpc_iterations + 2) {
// We have not aborted the decoding
if (check_crc((uint8_t *)LDPCoutput, length_dec, harq_process->F, crc_type)) {
LOG_D(PHY, "Segment %u CRC OK\n", r);
if (rdata->decodeIterations > dlsch->max_ldpc_iterations) {
LOG_W(PHY, "force ok\n");
rdata->decodeIterations = dlsch->max_ldpc_iterations;
}
} else {
LOG_D(PHY, "%d.%d CRC NOT OK, iter %d\n", rdata->proc->frame_rx, rdata->proc->nr_slot_rx, rdata->decodeIterations);
rdata->decodeIterations = dlsch->max_ldpc_iterations + 1;
}
} else
LOG_D(PHY, "%d.%d another segment failure aborted this decode\n", rdata->proc->frame_rx, rdata->proc->nr_slot_rx);
if (rdata->decodeIterations <= dlsch->max_ldpc_iterations)
memcpy(harq_process->c[r], LDPCoutput, Kr >> 3);
......
......@@ -424,10 +424,8 @@ static int nr_ue_pbch_procedures(PHY_VARS_NR_UE *ue,
*/
}
return ret;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_PBCH_PROCEDURES, VCD_FUNCTION_OUT);
return ret;
}
......
......@@ -680,7 +680,7 @@ int main(int argc, char **argv)
c16_t **rxdata;
rxdata = malloc(n_rx * sizeof(*rxdata));
for (int i = 0; i < n_rx; ++i)
rxdata[i] = calloc(gNB->frame_parms.samples_per_frame * sizeof(**rxdata),1);
rxdata[i] = calloc(gNB->frame_parms.samples_per_frame, sizeof(**rxdata));
NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];
......@@ -1042,7 +1042,7 @@ int main(int argc, char **argv)
pusch_pdu->maintenance_parms_v3.tbSizeLbrmBytes = tbslbrm;
pusch_pdu->pusch_data.rv_index = rv_index;
pusch_pdu->pusch_data.harq_process_id = 0;
pusch_pdu->pusch_data.new_data_indicator = round == 0 ? 1 : 0;
pusch_pdu->pusch_data.new_data_indicator = round == 0 ? true : false;
pusch_pdu->pusch_data.num_cb = 0;
pusch_pdu->pusch_ptrs.ptrs_time_density = ptrs_time_density;
pusch_pdu->pusch_ptrs.ptrs_freq_density = ptrs_freq_density;
......
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