nr_ulsch_encoding is implemented and tested

openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c

@@ -272,7 +272,7 @@ int nr_dlsch_encoding(unsigned char *a,
 
   unsigned int G;
   unsigned int crc=1;
-
+  int i;
   uint8_t harq_pid = dlsch->harq_ids[slot];
   nfapi_nr_dl_config_dlsch_pdu_rel15_t rel15 = dlsch->harq_processes[harq_pid]->dlsch_pdu.dlsch_pdu_rel15;
   uint16_t nb_rb = rel15.n_prb;
@@ -302,8 +302,10 @@ int nr_dlsch_encoding(unsigned char *a,
   A = rel15.transport_block_size;
 
   G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,rel15.nb_layers);
+
   LOG_D(PHY,"dlsch coding A %d G %d mod_order %d\n", A,G, mod_order);
   
+
   Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, rel15.nb_layers);
 
   //  if (dlsch->harq_processes[harq_pid]->Ndi == 1) {  // this is a new packet
@@ -328,8 +330,13 @@ int nr_dlsch_encoding(unsigned char *a,
 
     dlsch->harq_processes[harq_pid]->B = A+24;
     //    dlsch->harq_processes[harq_pid]->b = a;
+    
     memcpy(dlsch->harq_processes[harq_pid]->b,a,(A/8)+4);
 
+     //write_output("enc_b.m","enc_in0",&dlsch->harq_processes[harq_pid]->b[0],(A/8)+4,1,4);
+    //for(i=0;i<10;i++)
+      //printf("dlsch->harq_processes[harq_pid]->b %d\n", dlsch->harq_processes[harq_pid]->b[i]);
+
     nr_segmentation(dlsch->harq_processes[harq_pid]->b,
 		    dlsch->harq_processes[harq_pid]->c,
 		    dlsch->harq_processes[harq_pid]->B,
@@ -351,6 +358,7 @@ int nr_dlsch_encoding(unsigned char *a,
     Kr = dlsch->harq_processes[harq_pid]->K;
     Kr_bytes = Kr>>3;
 
+    //write_output("enc_input0.m","enc_in0",&dlsch->harq_processes[harq_pid]->c[0][0],Kr_bytes,1,4);
     //printf("segment Z %d k %d Kr %d BG %d\n", *pz,dlsch->harq_processes[harq_pid]->K,Kr,BG);
 
     //start_meas(te_stats);
@@ -388,6 +396,7 @@ int nr_dlsch_encoding(unsigned char *a,
     //stop_meas(te_stats);
     //printf("end ldpc encoder -- output\n");
 
+    //write_output("enc_input0.m","enc_in0",&dlsch->harq_processes[harq_pid]->c[0][0],Kr_bytes,1,4);
 #ifdef DEBUG_DLSCH_CODING
       write_output("enc_input0.m","enc_in0",&dlsch->harq_processes[harq_pid]->c[0][0],Kr_bytes,1,4);
       write_output("enc_output0.m","enc0",&dlsch->harq_processes[harq_pid]->d[0][0],(3*8*Kr_bytes)+12,1,4);
@@ -429,6 +438,7 @@ int nr_dlsch_encoding(unsigned char *a,
                           rel15.redundancy_version,
                           E);
 
+    
 #ifdef DEBUG_DLSCH_CODING
     for (int i =0; i<16; i++)
       printf("output ratematching e[%d]= %d r_offset %d\n", i,dlsch->harq_processes[harq_pid]->e[i+r_offset], r_offset);
@@ -442,6 +452,7 @@ int nr_dlsch_encoding(unsigned char *a,
 						dlsch->harq_processes[harq_pid]->f+r_offset);
     //stop_meas(i_stats);
 
+
 #ifdef DEBUG_DLSCH_CODING
     for (int i =0; i<16; i++)
       printf("output interleaving f[%d]= %d r_offset %d\n", i,dlsch->harq_processes[harq_pid]->f[i+r_offset], r_offset);

openair1/PHY/NR_TRANSPORT/nr_transport_common_proto.h

@@ -38,7 +38,7 @@
 #define MAX_NUM_NR_ULSCH_SEGMENTS MAX_NUM_NR_DLSCH_SEGMENTS
 
 #define MAX_NR_DLSCH_PAYLOAD_BYTES (MAX_NUM_NR_DLSCH_SEGMENTS*1056)
-#define MAX_NR_ULSCH_PAYLOAD_BYTES (MAX_NUM_NR_DLSCH_SEGMENTS*1056)
+#define MAX_NR_ULSCH_PAYLOAD_BYTES (MAX_NUM_NR_ULSCH_SEGMENTS*1056)
 
 #define MAX_NUM_NR_CHANNEL_BITS (14*273*12*6)  // 14 symbols, 273 RB
 #define MAX_NUM_NR_RE (14*273*12)

openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h

@@ -1006,6 +1006,9 @@ uint32_t  nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
                          uint8_t is_crnti,
                          uint8_t llr8_flag);
 
+int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
+                     NR_DL_FRAME_PARMS* frame_parms);
+
 uint32_t  nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
 						 UE_nr_rxtx_proc_t *proc,
                          int eNB_id,

openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h

@@ -102,6 +102,8 @@ typedef struct {
   uint16_t first_rb;
   /// Current Number of RBs
   uint16_t nb_rb;
+  /// number of layers
+  uint8_t Nl;
   /// Last TPC command
   uint8_t TPC;
   /// Transport block size
@@ -117,17 +119,17 @@ typedef struct {
   /// Redundancy-version of the current sub-frame
   uint8_t rvidx;
   /// pointer to pdu from MAC interface (TS 36.212 V15.4.0, Sec 5.1 p. 8)
-  uint8_t *a;
+  unsigned char *a;
   /// Pointer to the payload + CRC 
   uint8_t *b;
   /// Pointers to transport block segments
   uint8_t *c[MAX_NUM_NR_ULSCH_SEGMENTS];
+  /// LDPC-code outputs
+  uint8_t *d[MAX_NUM_NR_ULSCH_SEGMENTS];
   /// LDPC-code outputs (TS 36.212 V15.4.0, Sec 5.3.2 p. 17)
-  uint8_t *d[MAX_NUM_NR_ULSCH_SEGMENTS]; // 66*Z_c is the maximum LDPC block length. We use 68 for internal manipulation of the buffer
-  /// Rate matching (Bit selection) outputs (TS 36.212 V15.4.0, Sec 5.4.2.1 p. 28)
-  uint8_t *e[MAX_NUM_NR_ULSCH_SEGMENTS]; 
+  uint8_t e[MAX_NUM_NR_CHANNEL_BITS] __attribute__((aligned(32))); 
   /// Rate matching (Interleaving) outputs (TS 36.212 V15.4.0, Sec 5.4.2.2 p. 30)
-  uint8_t *f[MAX_NUM_NR_ULSCH_SEGMENTS]; 
+  uint8_t f[MAX_NUM_NR_CHANNEL_BITS] __attribute__((aligned(32))); 
   /// Number of code segments
   uint32_t C;
   /// Number of bits in code segments
@@ -162,6 +164,8 @@ typedef struct {
 typedef struct {
   /// Current Number of Symbols
   uint8_t Nsymb_pusch;
+  /// number of DMRS resource elements
+  uint8_t nb_re_dmrs;
   /// SRS active flag
   uint8_t srs_active; 
 //#if defined(UPGRADE_RAT_NR)

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c

@@ -56,6 +56,11 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t *ulsch)
 
     for (i=0; i<NR_MAX_ULSCH_HARQ_PROCESSES; i++) {
       if (ulsch->harq_processes[i]) {
+
+        if (ulsch->harq_processes[i]->a) {
+          free16(ulsch->harq_processes[i]->a,MAX_NR_ULSCH_PAYLOAD_BYTES);
+          ulsch->harq_processes[i]->a = NULL;
+        }
         if (ulsch->harq_processes[i]->b) {
           free16(ulsch->harq_processes[i]->b,MAX_NR_ULSCH_PAYLOAD_BYTES);
           ulsch->harq_processes[i]->b = NULL;
@@ -71,16 +76,6 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t *ulsch)
             ulsch->harq_processes[i]->d[r] = NULL;
           }
 
-          if (ulsch->harq_processes[i]->e[r]) {
-            free16(ulsch->harq_processes[i]->e[r],68*384);
-            ulsch->harq_processes[i]->e[r] = NULL;
-          }
-
-          if (ulsch->harq_processes[i]->f[r]) {
-            free16(ulsch->harq_processes[i]->f[r],68*384);
-            ulsch->harq_processes[i]->f[r] = NULL;
-          }
-
         }
 
         free16(ulsch->harq_processes[i],sizeof(NR_UL_UE_HARQ_t));
@@ -119,6 +114,9 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
     ulsch->number_harq_processes_for_pusch = NR_MAX_ULSCH_HARQ_PROCESSES;
     ulsch->Mlimit = 4; // maximum harq retransmissions
 
+    //for (i=0; i<10; i++)
+      //ulsch->harq_ids[i] = 0;
+
     for (i=0; i<number_of_harq_pids; i++) {
 
       ulsch->harq_processes[i] = (NR_UL_UE_HARQ_t *)malloc16(sizeof(NR_UL_UE_HARQ_t));
@@ -126,8 +124,8 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
       //      printf("ulsch->harq_processes[%d] %p\n",i,ulsch->harq_processes[i]);
       if (ulsch->harq_processes[i]) {
         memset(ulsch->harq_processes[i], 0, sizeof(NR_UL_UE_HARQ_t));
-        ulsch->harq_processes[i]->b = (unsigned char*)malloc16(MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
-        ulsch->harq_processes[i]->a = (uint8_t*)malloc16(MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
+        ulsch->harq_processes[i]->b = (uint8_t*)malloc16(MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
+        ulsch->harq_processes[i]->a = (unsigned char*)malloc16(MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
 
         if (ulsch->harq_processes[i]->a) {
           bzero(ulsch->harq_processes[i]->a,MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
@@ -137,7 +135,7 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
         }
 
         if (ulsch->harq_processes[i]->b)
-          memset(ulsch->harq_processes[i]->b,0,MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
+          bzero(ulsch->harq_processes[i]->b,MAX_NR_ULSCH_PAYLOAD_BYTES/bw_scaling);
         else {
           LOG_E(PHY,"Can't get b\n");
           exit_flag=1;
@@ -148,8 +146,7 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
             // account for filler in first segment and CRCs for multiple segment case
             ulsch->harq_processes[i]->c[r] = (uint8_t*)malloc16(8448);
             ulsch->harq_processes[i]->d[r] = (uint8_t*)malloc16(68*384); //max size for coded output
-            ulsch->harq_processes[i]->e[r] = (uint8_t*)malloc16(68*384);
-            ulsch->harq_processes[i]->f[r] = (uint8_t*)malloc16(68*384);
+
             if (ulsch->harq_processes[i]->c[r]) {
               bzero(ulsch->harq_processes[i]->c[r],8448);
             } else {
@@ -162,18 +159,6 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
               printf("Can't get d\n");
               exit_flag=2;
             }
-            if (ulsch->harq_processes[i]->e[r]) {
-              bzero(ulsch->harq_processes[i]->e[r],(68*384));
-            } else {
-              printf("Can't get e\n");
-              exit_flag=2;
-            }
-            if (ulsch->harq_processes[i]->f[r]) {
-              bzero(ulsch->harq_processes[i]->f[r],(68*384));
-            } else {
-              printf("Can't get f\n");
-              exit_flag=2;
-            }
           }
         }
 
@@ -185,15 +170,13 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
       }
     }
 
-    if ((abstraction_flag == 0) && (exit_flag==0)) {
-      for (i=0; i<8; i++)
-        for (j=0; j<96; j++)
-          for (r=0; r<MAX_NUM_NR_ULSCH_SEGMENTS/bw_scaling; r++)
-            ulsch->harq_processes[i]->d[r][j] = NR_NULL;
+    if (exit_flag==0) {
+      for (i=0; i<number_of_harq_pids; i++) {
+        ulsch->harq_processes[i]->round=0;
+      }
 
       return(ulsch);
-    } else if (abstraction_flag==1)
-      return(ulsch);
+    }
   }
 
   LOG_E(PHY,"new_ue_ulsch exit flag, size of  %d ,   %zu\n",exit_flag, sizeof(LTE_UE_ULSCH_t));
@@ -202,3 +185,263 @@ NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, u
 
 
 }
+
+
+
+int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
+                     NR_DL_FRAME_PARMS* frame_parms)
+{
+
+/////////////////////////parameters and variables declaration/////////////////////////
+///////////
+
+  unsigned int G,crc;
+  uint8_t harq_pid;
+  NR_UL_UE_HARQ_t *harq_process; 
+  uint16_t nb_rb ;
+  uint8_t nb_symb_sch ;
+  uint32_t A, Z;
+  uint32_t *pz; 
+  uint8_t mod_order; 
+  uint16_t Kr,r,r_offset,Kr_bytes;
+  uint8_t *d_tmp[MAX_NUM_DLSCH_SEGMENTS];
+  uint8_t kb,BG;
+  uint32_t E;
+  uint8_t Ilbrm; 
+  uint32_t Tbslbrm; 
+  uint8_t nb_re_dmrs; 
+  uint16_t length_dmrs;
+  int i;
+
+///////////
+///////////////////////////////////////////////////////////////////////////////////////
+
+
+/////////////////////////parameters and variables initialization/////////////////////////
+///////////
+
+  crc = 1;
+  harq_pid = 0;
+  harq_process = ulsch->harq_processes[harq_pid];
+  nb_rb = harq_process->nb_rb;
+  nb_symb_sch = harq_process->nb_symbols;
+  A = harq_process->TBS;
+  pz = &Z;
+  mod_order = nr_get_Qm(harq_process->mcs,1);
+  Kr=0;
+  r_offset=0;
+  BG = 1;
+  Ilbrm = 0;
+  Tbslbrm = 950984; //max tbs
+  nb_re_dmrs = ulsch->nb_re_dmrs;
+  length_dmrs = 1;
+
+///////////
+/////////////////////////////////////////////////////////////////////////////////////////  
+
+  /*
+  uint8_t *channel_input[MAX_NUM_DLSCH_SEGMENTS]; //unsigned char
+  for(j=0;j<MAX_NUM_DLSCH_SEGMENTS;j++) {
+    channel_input[j] = (unsigned char *)malloc16(sizeof(unsigned char) * 68*384);
+  }
+  */
+  
+  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ENCODING, VCD_FUNCTION_IN);
+
+  printf("ulsch coding nb_rb %d nb_symb_sch %d nb_re_dmrs %d, length_dmrs %d\n", nb_rb,nb_symb_sch, nb_re_dmrs,length_dmrs);
+
+
+  G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,harq_process->Nl);
+  LOG_D(PHY,"dlsch coding A %d G %d mod_order %d\n", A,G, mod_order);
+  printf("ulsch coding A %d G %d mod_order %d\n", A,G, mod_order);
+
+  Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
+
+  //  if (harq_process->Ndi == 1) {  // this is a new packet
+  if (harq_process->round == 0) {  // this is a new packet
+#ifdef DEBUG_DLSCH_CODING
+  printf("encoding thinks this is a new packet \n");
+#endif
+
+///////////////////////// a---->| add CRC |---->b /////////////////////////
+///////////
+    /*
+    int i;
+    printf("dlsch (tx): \n");
+    for (i=0;i<(A>>3);i++)
+      printf("%02x.",a[i]);
+    printf("\n");
+    */
+    // Add 24-bit crc (polynomial A) to payload
+    crc = crc24a(harq_process->a,A)>>8;
+    harq_process->a[A>>3] = ((uint8_t*)&crc)[2];
+    harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[1];
+    harq_process->a[2+(A>>3)] = ((uint8_t*)&crc)[0];
+    //printf("CRC %x (A %d)\n",crc,A);
+    //printf("a0 %d a1 %d a2 %d\n", a[A>>3], a[1+(A>>3)], a[2+(A>>3)]);
+
+    harq_process->B = A+24;
+
+    memcpy(harq_process->b,harq_process->a,(A/8)+4);
+
+    //write_output("ulsch_b.m","enc_in0",&harq_process->b[0],(A/8)+4,1,4);
+    //for(i=0;i<10;i++)
+      //printf("harq_process->b %d\n", harq_process->b[i]);
+
+
+
+///////////
+///////////////////////////////////////////////////////////////////////////
+
+///////////////////////// b---->| block segmentation |---->c /////////////////////////
+///////////
+
+    nr_segmentation(harq_process->b,
+        harq_process->c,
+        harq_process->B,
+        &harq_process->C,
+        &harq_process->K,
+        pz,
+        &harq_process->F);
+
+    kb = harq_process->K/(*pz);
+    if ( kb==22){
+    BG = 1;
+  }
+  else{
+    BG = 2;
+  }
+
+    Kr = harq_process->K;
+    Kr_bytes = Kr>>3;
+
+    write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
+
+///////////
+/////////////////////////////////////////////////////////////////////////////////////
+
+
+///////////////////////// c---->| LDCP coding |---->d /////////////////////////
+///////////
+
+    //printf("segment Z %d kb %d k %d Kr %d BG %d\n", *pz,kb,harq_process->K,Kr,BG);
+
+    //start_meas(te_stats);
+    for (r=0; r<harq_process->C; r++) {
+      d_tmp[r] = &harq_process->d[r][0];
+      //channel_input[r] = &harq_process->d[r][0];
+#ifdef DEBUG_DLSCH_CODING
+      printf("Encoder: B %d F %d \n",harq_process->B, harq_process->F);
+      printf("start ldpc encoder segment %d/%d\n",r,harq_process->C);
+      printf("input %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
+      for (int cnt =0 ; cnt < 22*(*pz)/8; cnt ++){
+      printf("%d ", harq_process->c[r][cnt]);
+      }
+      printf("\n");
+
+#endif
+      //ldpc_encoder_orig((unsigned char*)harq_process->c[r],harq_process->d[r],Kr,BG,0);
+      //ldpc_encoder_optim((unsigned char*)harq_process->c[r],(unsigned char*)&harq_process->d[r][0],Kr,BG,NULL,NULL,NULL,NULL);
+    }
+
+    //for (int i=0;i<68*384;i++)
+      //        printf("channel_input[%d]=%d\n",i,channel_input[i]);
+
+
+
+    /*printf("output %d %d %d %d %d \n", harq_process->d[0][0], harq_process->d[0][1], harq_process->d[r][2],harq_process->d[0][3], harq_process->d[0][4]);
+      for (int cnt =0 ; cnt < 66*(*pz); cnt ++){
+      printf("%d \n",  harq_process->d[0][cnt]);
+      }
+      printf("\n");*/
+
+    //ldpc_encoder_optim_8seg(harq_process->c,d_tmp,Kr,BG,harq_process->C,NULL,NULL,NULL,NULL);
+    ldpc_encoder_optim_8seg(harq_process->c,harq_process->d,Kr,BG,harq_process->C,NULL,NULL,NULL,NULL);
+
+    //stop_meas(te_stats);
+    //printf("end ldpc encoder -- output\n");
+    //write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
+#ifdef DEBUG_DLSCH_CODING
+      write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4);
+      write_output("ulsch_enc_output0.m","enc0",&harq_process->d[0][0],(3*8*Kr_bytes)+12,1,4);
+#endif
+
+///////////
+///////////////////////////////////////////////////////////////////////////////
+
+  }
+
+  for (r=0; r<harq_process->C; r++) { // looping over C segments
+#ifdef DEBUG_DLSCH_CODING
+    printf("Rate Matching, Code segment %d (coded bits (G) %d,unpunctured/repeated bits per code segment %d,mod_order %d, nb_rb %d)...\n",
+        r,
+        G,
+        Kr*3,
+        mod_order,nb_rb);
+#endif
+
+    //start_meas(rm_stats);
+#ifdef DEBUG_DLSCH_CODING
+  printf("rvidx in encoding = %d\n", harq_process->rvidx);
+#endif
+
+///////////////////////// d---->| Rate matching bit selection |---->e /////////////////////////
+///////////
+
+    E = nr_get_E(G, harq_process->C, mod_order, harq_process->Nl, r);
+
+    nr_rate_matching_ldpc(Ilbrm,
+                          Tbslbrm,
+                          BG,
+                          *pz,
+                          harq_process->d[r],
+                          harq_process->e+r_offset,
+                          harq_process->C,
+                          harq_process->rvidx,
+                          E);
+
+
+
+#ifdef DEBUG_DLSCH_CODING
+    for (int i =0; i<16; i++)
+      printf("output ratematching e[%d]= %d r_offset %d\n", i,harq_process->e[i+r_offset], r_offset);
+#endif
+
+///////////
+///////////////////////////////////////////////////////////////////////////////////////////////
+
+    
+///////////////////////// e---->| Rate matching bit interleaving |---->f /////////////////////////
+///////////
+
+    //stop_meas(rm_stats);
+
+    //start_meas(i_stats);
+  nr_interleaving_ldpc(E,
+            mod_order,
+            harq_process->e+r_offset,
+            harq_process->f+r_offset);
+    //stop_meas(i_stats);
+
+
+#ifdef DEBUG_DLSCH_CODING
+    for (int i =0; i<16; i++)
+      printf("output interleaving f[%d]= %d r_offset %d\n", i,harq_process->f[i+r_offset], r_offset);
+
+    if (r==harq_process->C-1)
+      write_output("enc_output.m","enc",harq_process->f,G,1,4);
+#endif
+
+    r_offset += E;
+
+///////////
+///////////////////////////////////////////////////////////////////////////////////////////////
+
+  }
+
+  memcpy(ulsch->g,harq_process->f,G>>3); // g is the concatenated code block
+
+  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_DLSCH_ENCODING, VCD_FUNCTION_OUT);
+
+  return(0);
+}

openair1/SIMULATION/NR_PHY/ulschsim.c

@@ -122,7 +122,7 @@ char quantize(double D, double x, unsigned char B) {
 
 int main(int argc, char **argv) {
 	char c;
-	int i; //,j,l,aa;
+	int i,sf; //,j,l,aa;
 	double SNR, SNR_lin, snr0 = -2.0, snr1 = 2.0;
 	double snr_step = 0.1;
 	uint8_t snr1set = 0;
@@ -438,7 +438,7 @@ int main(int argc, char **argv) {
 
 	//nr_init_frame_parms_ue(&UE->frame_parms);
 	//init_nr_ue_transport(UE, 0);
-	for (int sf = 0; sf < 2; sf++) {
+	for (sf = 0; sf < 2; sf++) {
 		for (i = 0; i < 2; i++) {
 			UE->dlsch[sf][0][i] = new_nr_ue_dlsch(Kmimo, 8, Nsoft, 5, N_RB_DL,
 					0);
@@ -464,6 +464,9 @@ int main(int argc, char **argv) {
 	unsigned char harq_pid = 0; //dlsch->harq_ids[subframe];
 	NR_gNB_DLSCH_t *dlsch = gNB->dlsch[0][0];
 	nfapi_nr_dl_config_dlsch_pdu_rel15_t *rel15 = &dlsch->harq_processes[harq_pid]->dlsch_pdu.dlsch_pdu_rel15;
+
+	NR_UE_ULSCH_t *ulsch = UE->ulsch[0][0][0];
+
 	//time_stats_t *rm_stats, *te_stats, *i_stats;
 	uint8_t is_crnti = 0, llr8_flag = 0;
 	unsigned int TBS = 8424;
@@ -474,6 +477,7 @@ int main(int argc, char **argv) {
 	uint8_t Nl = 1;
 	uint8_t rvidx = 0;
 	dlsch->rnti = 1;
+	ulsch->nb_re_dmrs = nb_re_dmrs; //[adk] A HOT FIX until cearting nfapi_nr_ul_config_ulsch_pdu_rel15_t
 	/*dlsch->harq_processes[0]->mcs = Imcs;
 	 dlsch->harq_processes[0]->rvidx = rvidx;*/
 	//printf("dlschsim harqid %d nb_rb %d, mscs %d\n",dlsch->harq_ids[subframe],
@@ -497,9 +501,13 @@ int main(int argc, char **argv) {
 	unsigned char *estimated_output_bit;
 	unsigned char *test_input_bit;
 	unsigned int errors_bit = 0;
+
 	test_input_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
+
 	estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
+
 	estimated_output_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
+
 	NR_UE_DLSCH_t *dlsch0_ue = UE->dlsch[0][0][0];
 	NR_DL_UE_HARQ_t *harq_process = dlsch0_ue->harq_processes[harq_pid];
 	harq_process->mcs = Imcs;
@@ -516,6 +524,26 @@ int main(int argc, char **argv) {
 
 	estimated_output = harq_process->b;
 
+
+	/////////////////////////[adk] preparing UL harq_process parameters/////////////////////////
+	///////////
+	NR_UL_UE_HARQ_t *harq_process_ul_ue = ulsch->harq_processes[harq_pid];
+
+	if (harq_process_ul_ue){
+
+		harq_process_ul_ue->mcs = Imcs;
+		harq_process_ul_ue->Nl = Nl;
+		harq_process_ul_ue->nb_rb = nb_rb;
+		harq_process_ul_ue->nb_symbols = nb_symb_sch;
+		harq_process_ul_ue->rvidx = rvidx;
+		harq_process_ul_ue->TBS = TBS;
+		harq_process_ul_ue->a = &test_input[0];
+
+	}
+	///////////
+	////////////////////////////////////////////////////////////////////////////////////////////
+
+
 #ifdef DEBUG_DLSCHSIM
 	for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%d \n",test_input[i]);
 #endif
@@ -527,6 +555,7 @@ int main(int argc, char **argv) {
 	// generate signal
 	if (input_fd == NULL) {
 		nr_dlsch_encoding(test_input, subframe, dlsch, frame_parms);
+		nr_ulsch_encoding(ulsch, frame_parms);
 	}
 
 	for (SNR = snr0; SNR < snr1; SNR += snr_step) {
@@ -540,10 +569,14 @@ int main(int argc, char **argv) {
 				if ((i&0xf)==0)
 				printf("\ne %d..%d:    ",i,i+15);
 #endif
+			/*
+				if (i<16){
+				   printf("dlsch_encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
+				   printf("ulsch_encoder output f[%d] = %d\n",i,ulsch->harq_processes[0]->f[i]);
 
-				//if (i<16)
-				//   printf("encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
-				if (dlsch->harq_processes[0]->f[i] == 0)
+				}
+			*/
+				if (ulsch->harq_processes[0]->f[i] == 0)
 					modulated_input[i] = 1.0;        ///sqrt(2);  //QPSK
 				else
 					modulated_input[i] = -1.0;        ///sqrt(2);
@@ -594,7 +627,7 @@ int main(int argc, char **argv) {
 			errors_bit = 0;
 
 			for (i = 0; i < TBS; i++) {
-				estimated_output_bit[i] = (dlsch0_ue->harq_processes[0]->b[i / 8] & (1 << (i & 7))) >> (i & 7);
+				estimated_output_bit[i] = (ulsch->harq_processes[0]->b[i / 8] & (1 << (i & 7))) >> (i & 7);
 				test_input_bit[i] = (test_input[i / 8] & (1 << (i & 7))) >> (i & 7); // Further correct for multiple segments
 
 				if (estimated_output_bit[i] != test_input_bit[i]) {
@@ -653,12 +686,24 @@ int main(int argc, char **argv) {
 	 }
 	 }*/
 
+
 	for (i = 0; i < 2; i++) {
+
 		printf("gNB %d\n", i);
+
+		if (gNB->dlsch[0][i])
 			free_gNB_dlsch(gNB->dlsch[0][i]);
+
+		for (sf = 0; sf < 2; sf++) {
+
 			printf("UE %d\n", i);
-		free_nr_ue_dlsch(UE->dlsch[0][0][i]);
-		free_nr_ue_ulsch(UE->ulsch[0][0][i]);
+
+			if (UE->dlsch[sf][0][i])
+				free_nr_ue_dlsch(UE->dlsch[sf][0][i]);
+
+			if (UE->ulsch[sf][0][i])
+				free_nr_ue_ulsch(UE->ulsch[sf][0][i]);
+		}
 	}
 
 	for (i = 0; i < 2; i++) {