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small change in ulsch_decoder to allow segment even if parity-check fails but CRC passes.

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This commit is contained in:
Raymond Knopp
2021-09-04 21:36:41 +02:00
parent 98ef919502
commit 8e4763bf94
7 changed files with 42 additions and 28 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder.c
+3 -2
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@@ -55,7 +55,6 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
t_nrLDPC_lut* p_lut = &lut;
//printf("p_procBuf->cnProcBuf = %p\n", p_procBuf->cnProcBuf);
// Initialize decoder core(s) with correct LUTs
numLLR = nrLDPC_init(p_decParams, p_lut);
@@ -81,6 +80,7 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr, int8_t* p_out, t_nrLDP
uint8_t numMaxIter = p_decParams->numMaxIter;
e_nrLDPC_outMode outMode = p_decParams->outMode;
printf("nrLDCP_decoder_core: numMaxIter %d\n",numMaxIter);
// Minimum number of iterations is 1
// 0 iterations means hard-decision on input LLRs
uint32_t i = 1;
@@ -231,7 +231,7 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr, int8_t* p_out, t_nrLDP
// First iteration finished
while ( (i < (numMaxIter-1)) && (pcRes != 0) )
while ( (i < numMaxIter) && (pcRes != 0) )
{
// Increase iteration counter
i++;
@@ -488,5 +488,6 @@ static inline uint32_t nrLDPC_decoder_core(int8_t* p_llr, int8_t* p_out, t_nrLDP
stop_meas(&p_profiler->llr2bit);
#endif
printf("num ldpc iterations %d\n",i);
return i;
}