ldpc check based on crc

CMakeLists.txt

@@ -1015,6 +1015,10 @@ endif()
 add_library(ldpc MODULE ${PHY_LDPC_OPTIM8SEGMULTI_SRC} )
 target_link_libraries(ldpc PRIVATE ldpc_gen_HEADERS)
 
+add_library(ldpc_parityCheck MODULE ${PHY_LDPC_OPTIM8SEGMULTI_SRC} )
+target_compile_definitions(ldpc_parityCheck PUBLIC NR_LDPC_ENABLE_PARITY_CHECK)
+target_link_libraries(ldpc_parityCheck  PRIVATE ldpc_gen_HEADERS)
+
 add_library(coding MODULE ${PHY_TURBOSRC} )
 
 add_library(dfts MODULE ${OPENAIR1_DIR}/PHY/TOOLS/oai_dfts.c )
@@ -2408,7 +2412,7 @@ add_executable(ldpctest
    ${SHLIB_LOADER_SOURCES}
    )
 
-add_dependencies( ldpctest ldpc_orig ldpc_optim ldpc_optim8seg ldpc )
+add_dependencies( ldpctest ldpc_orig ldpc_optim ldpc_optim8seg ldpc ldpc_parityCheck)
 if (ENABLE_LDPC_CUDA)
   add_dependencies(ldpctest ldpc_cuda)
 endif()

common/utils/load_module_shlib.c

@@ -63,60 +63,55 @@ void loader_init(void) {
 }
 
 /* build the full shared lib name from the module name */
-char *loader_format_shlibpath(char *modname, char *version)
+static char *loader_format_shlibpath(char *modname, char *version)
 {
-
-char *tmpstr;
-char *shlibpath   =NULL;
-char *shlibversion=NULL;
-// clang-format off
-paramdef_t LoaderParams[] = {
+  char *tmpstr;
+  char *shlibpath = NULL;
+  char *shlibversion = NULL;
+  // clang-format off
+  paramdef_t LoaderParams[] = {
     {"shlibpath",    NULL, 0, .strptr = &shlibpath,    .defstrval = NULL, TYPE_STRING, 0, NULL},
     {"shlibversion", NULL, 0, .strptr = &shlibversion, .defstrval = "",   TYPE_STRING, 0, NULL}
-};
-// clang-format on
-
-int ret;
-
+  };
+  // clang-format on
 
+  int ret;
 
-
-/* looks for specific path for this module in the config file */
-/* specific value for a module path and version is located in a modname subsection of the loader section */
-/* shared lib name is formatted as lib<module name><module version>.so */
+  /* looks for specific path for this module in the config file */
+  /* specific value for a module path and version is located in a modname subsection of the loader section */
+  /* shared lib name is formatted as lib<module name><module version>.so */
   char cfgprefix[sizeof(LOADER_CONFIG_PREFIX)+strlen(modname)+16];
   sprintf(cfgprefix,LOADER_CONFIG_PREFIX ".%s",modname);
-  ret = config_get( LoaderParams,sizeof(LoaderParams)/sizeof(paramdef_t),cfgprefix);
+  ret = config_get(LoaderParams, sizeofArray(LoaderParams), cfgprefix);
   if (ret <0) {
-      fprintf(stderr,"[LOADER]  %s %d couldn't retrieve config from section %s\n",__FILE__, __LINE__,cfgprefix);
-   }
-/* no specific path, use loader default shared lib path */
-   if (shlibpath == NULL) {
-       shlibpath =  loader_data.shlibpath ;
-   } 
-/* no specific shared lib version */
-   if (version != NULL) {    // version specified as a function parameter
-	   shlibversion=version;
-   }
-   if (shlibversion == NULL) {  // no specific version specified, neither as a config param or as a function param
-       shlibversion = "" ;
-   } 
-/* alloc memory for full module shared lib file name */
-   tmpstr = malloc(strlen(shlibpath)+strlen(modname)+strlen(shlibversion)+16);
-   if (tmpstr == NULL) {
-      fprintf(stderr,"[LOADER] %s %d malloc error loading module %s, %s\n",__FILE__, __LINE__, modname, strerror(errno));
-      exit_fun("[LOADER] unrecoverable error");
-   }
-   if(shlibpath[0] != 0) {
-       ret=sprintf(tmpstr,"%s/",shlibpath);
-   } else {
-       ret = 0;
-   }
+    fprintf(stderr, "[LOADER]  %s %d couldn't retrieve config from section %s\n", __FILE__, __LINE__, cfgprefix);
+  }
+  /* no specific path, use loader default shared lib path */
+  if (shlibpath == NULL) {
+    shlibpath = loader_data.shlibpath;
+  }
+  /* no specific shared lib version */
+  if (version != NULL) { // version specified as a function parameter
+    shlibversion = version;
+  }
+  if (shlibversion == NULL) { // no specific version specified, neither as a config param or as a function param
+    shlibversion = "";
+  }
+  /* alloc memory for full module shared lib file name */
+  tmpstr = malloc(strlen(shlibpath) + strlen(modname) + strlen(shlibversion) + 16);
+  if (tmpstr == NULL) {
+    fprintf(stderr, "[LOADER] %s %d malloc error loading module %s, %s\n", __FILE__, __LINE__, modname, strerror(errno));
+    exit_fun("[LOADER] unrecoverable error");
+  }
+  if (shlibpath[0] != 0) {
+    ret = sprintf(tmpstr, "%s/", shlibpath);
+  } else {
+    ret = 0;
+  }
+
+  sprintf(tmpstr + ret, "lib%s%s.so", modname, shlibversion);
 
-   sprintf(tmpstr+ret,"lib%s%s.so",modname,shlibversion);
-   
-  
-   return tmpstr; 
+  return tmpstr;
 }
 
 int load_module_version_shlib(char *modname, char *version, loader_shlibfunc_t *farray, int numf, void *autoinit_arg)

openair1/PHY/CODING/TESTBENCH/ldpctest.c

@@ -435,7 +435,9 @@ int main(int argc, char *argv[])
   unsigned int errors, errors_bit, crc_misses;
   double errors_bit_uncoded;
   short block_length=8448; // decoder supports length: 1201 -> 1280, 2401 -> 2560
-  char *ldpc_version=NULL; /* version of the ldpc decoder library to use (XXX suffix to use when loading libldpc_XXX.so */
+  // default to check output inside ldpc, the NR version checks the outer CRC defined by 3GPP
+  char *ldpc_version = "_parityCheck";
+  /* version of the ldpc decoder library to use (XXX suffix to use when loading libldpc_XXX.so */
   short max_iterations=5;
   int n_segments=1;
   //double rate=0.333;
@@ -535,11 +537,7 @@ int main(int argc, char *argv[])
   printf("n_trials %d: \n", n_trials);
   printf("SNR0 %f: \n", SNR0);
 
-
-  if (ldpc_version != NULL)
-    load_nrLDPClib(ldpc_version);
-  else
-    load_nrLDPClib(NULL); 
+  load_nrLDPClib(ldpc_version);
   load_nrLDPClib_ref("_orig", &encoder_orig);
   //for (block_length=8;block_length<=MAX_BLOCK_LENGTH;block_length+=8)
 

openair1/PHY/CODING/coding_defs.h

@@ -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.

openair1/PHY/CODING/crc_byte.c

@@ -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;

openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_bnProc.h

@@ -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

openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_init_mem.h

-/*
- * 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_INIT_MEM__H__
-#define __NR_LDPC_INIT_MEM__H__
-
-#include <stdlib.h>
-#include "nrLDPC_types.h"
-
-/**
-   \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(64, size+64);
-    memset(ptr, 0, size);
-    return ptr;
-}
-
-/**
-   \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/nrLDPC_types.h

@@ -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;
 
 /**

openair1/PHY/CODING/nrLDPC_extern.h

@@ -28,10 +28,10 @@ nrLDPC_decoffloadfunc_t nrLDPC_decoder_offload;
 nrLDPC_dectopfunc_t top_testsuite;
 #else
 /* functions to load the LDPC shared lib, implemented in openair1/PHY/CODING/nrLDPC_load.c */
-extern int load_nrLDPClib(char *version) ;
-extern int load_nrLDPClib_offload(void) ;
-extern int free_nrLDPClib_offload(void) ;
-extern int load_nrLDPClib_ref(char *libversion, nrLDPC_encoderfunc_t * nrLDPC_encoder_ptr); // for ldpctest
+int load_nrLDPClib(char *version);
+int load_nrLDPClib_offload(void);
+int free_nrLDPClib_offload(void);
+int load_nrLDPClib_ref(char *libversion, nrLDPC_encoderfunc_t *nrLDPC_encoder_ptr); // for ldpctest
 /* ldpc coder/decoder functions, as loaded by load_nrLDPClib(). */
 extern nrLDPC_initcallfunc_t nrLDPC_initcall;
 

openair1/PHY/CODING/nrLDPC_load.c

@@ -49,26 +49,23 @@ static loader_shlibfunc_t shlib_fdesc[3];
 char *arg[64]={"ldpctest",NULL};
 
 int load_nrLDPClib(char *version) {
-	 char *ptr = (char*)config_get_if();
-	 char libname[64]="ldpc";
-
-     if ( ptr==NULL )  {// phy simulators, config module possibly not loaded
-     	 load_configmodule(1,arg,CONFIG_ENABLECMDLINEONLY) ;
-     	 logInit();
-     }	 
-     shlib_fdesc[0].fname = "nrLDPC_decod";
-     shlib_fdesc[1].fname = "nrLDPC_encod";
-     shlib_fdesc[2].fname = "nrLDPC_initcall";
-     int ret;
-     if (version)
-       ret=load_module_version_shlib(libname,version,shlib_fdesc,sizeof(shlib_fdesc)/sizeof(loader_shlibfunc_t),NULL);
-     else
-       ret=load_module_shlib(libname,shlib_fdesc,sizeof(shlib_fdesc)/sizeof(loader_shlibfunc_t),NULL);
-     AssertFatal( (ret >= 0),"Error loading ldpc decoder");
-     nrLDPC_decoder = (nrLDPC_decoderfunc_t)shlib_fdesc[0].fptr;
-     nrLDPC_encoder = (nrLDPC_encoderfunc_t)shlib_fdesc[1].fptr;
-     nrLDPC_initcall = (nrLDPC_initcallfunc_t)shlib_fdesc[2].fptr;
-return 0;
+  char *ptr = (char *)config_get_if();
+  char libname[64] = "ldpc";
+
+  if (ptr == NULL) { // phy simulators, config module possibly not loaded
+    load_configmodule(1, arg, CONFIG_ENABLECMDLINEONLY);
+    logInit();
+  }
+  shlib_fdesc[0].fname = "nrLDPC_decod";
+  shlib_fdesc[1].fname = "nrLDPC_encod";
+  shlib_fdesc[2].fname = "nrLDPC_initcall";
+  int ret;
+  ret = load_module_version_shlib(libname, version, shlib_fdesc, sizeofArray(shlib_fdesc), NULL);
+  AssertFatal((ret >= 0), "Error loading ldpc decoder");
+  nrLDPC_decoder = (nrLDPC_decoderfunc_t)shlib_fdesc[0].fptr;
+  nrLDPC_encoder = (nrLDPC_encoderfunc_t)shlib_fdesc[1].fptr;
+  nrLDPC_initcall = (nrLDPC_initcallfunc_t)shlib_fdesc[2].fptr;
+  return 0;
 }
 
 int load_nrLDPClib_offload(void) {

openair1/PHY/CODING/nr_rate_matching.c

@@ -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;
 

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

@@ -243,20 +243,8 @@ static void nr_processULSegment(void *arg)
 
   ////////////////////////////////// pl =====> llrProcBuf //////////////////////////////////
   p_decoderParms->block_length = length_dec;
-  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;
-    }
-  }
+  p_decoderParms->crc_type = crc_type;
+  rdata->decodeIterations = nrLDPC_decoder(p_decoderParms, (int8_t *)pl, llrProcBuf, p_procTime, &ulsch_harq->abort_decode);
 
   if (rdata->decodeIterations <= p_decoderParms->numMaxIter)
     memcpy(ulsch_harq->c[r],llrProcBuf,  Kr>>3);
@@ -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;

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c

@@ -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);

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -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;
 }
 
 

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -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;