bug fixes from Fujitsu (bugs 18, 19, 20)

```-------------------------------------------------------
bug 18

Ttile:
Probably he/she wants to copy the contents of arrays, but
this coding doesn't copy anything, moreover index overflow
occurs.

Bug Location:
u2e_t[UE_id][eNB_id]->tx_data[3]=tx[eNB_id][3];
u2e_t[UE_id][eNB_id]->rx_data[3]=rx[NB_eNB_INST+UE_id][3];

Note:
Detected by CppCheck
```

-------------------------------------------------------
bug 19

Title:
Probably he/she wants to copy the contents of arrays, but
this coding doesn't copy anything, moreover index overflow
occurs.

Bug Location:
e2u_t[eNB_id][UE_id]->tx_data[3]=tx[NB_eNB_INST+UE_id][3];
e2u_t[eNB_id][UE_id]->rx_data[3]=rx[eNB_id][3];

Note:
Detected by CppCheck
----------------------------------------------------------
bug 20

Title:
Probably he/she wants to copy the contents of arrays, but
this coding doesn't copy anything, moreover index overflow
occurs.

Bug Location:
tx_data[3]=cthread->tx_data[3];
rx_data[3]=cthread->rx_data[3];

Note:
Detected by CppCheck
----------------------------------------------------------

targets/SIMU/PROC/Process.c

@@ -284,8 +284,12 @@ void Channel_Inst(int node_id,int port,double **s_re[MAX_eNB+MAX_UE],double **s_
       u2e_t[UE_id][eNB_id]->next_slot=&next_slot;
       u2e_t[UE_id][eNB_id]->abstraction_flag=&abstraction_flag;
       u2e_t[UE_id][eNB_id]->frame_parms=frame_parms;
-      u2e_t[UE_id][eNB_id]->tx_data[3]=tx[eNB_id][3];
-      u2e_t[UE_id][eNB_id]->rx_data[3]=rx[NB_eNB_INST+UE_id][3];
+
+      for (int i=0;i<3;i++)
+      {
+          u2e_t[UE_id][eNB_id]->tx_data[i]=tx[eNB_id][i];
+          u2e_t[UE_id][eNB_id]->rx_data[i]=rx[NB_eNB_INST+UE_id][i];
+      }
 
       if(pthread_cond_init (&downlink_cond[eNB_id][UE_id], NULL)) exit(1);
 
@@ -316,8 +320,11 @@ void Channel_Inst(int node_id,int port,double **s_re[MAX_eNB+MAX_UE],double **s_
       e2u_t[eNB_id][UE_id]->next_slot=&next_slot;
       e2u_t[eNB_id][UE_id]->abstraction_flag=&abstraction_flag;
       e2u_t[eNB_id][UE_id]->frame_parms=frame_parms;
-      e2u_t[eNB_id][UE_id]->tx_data[3]=tx[NB_eNB_INST+UE_id][3];
-      e2u_t[eNB_id][UE_id]->rx_data[3]=rx[eNB_id][3];
+      for (int i=0;i<3;i++)
+      {
+          e2u_t[eNB_id][UE_id]->tx_data[i]=tx[NB_eNB_INST+UE_id][i];
+          e2u_t[eNB_id][UE_id]->rx_data[i]=rx[eNB_id][i];
+      }
 
       if(pthread_cond_init (&uplink_cond[UE_id][eNB_id], NULL)) exit(1);
 

targets/SIMU/PROC/channel_sim_proc.c

@@ -183,8 +183,13 @@ void do_DL_sig_channel_T(void *param)
   next_slot=(cthread->next_slot);
   abstraction_flag=*(cthread->abstraction_flag);
   thread_id=(cthread->thread_id);
-  tx_data[3]=cthread->tx_data[3];
-  rx_data[3]=cthread->rx_data[3];
+
+  for (int i=0;i<3;i++)
+  {
+      tx_data[i]=cthread->tx_data[i];
+      rx_data[i]=cthread->rx_data[i];
+  }
+
   s32 att_eNB_id=-1;
   s32 **txdata,**rxdata;