disable PUSCH PTRS for now

As adding PTRS leads to shortening of the coded data, redudandency is removed and the performance decreases on a pure AWGN channel.
So PTRS should only be enabled if phase noise is present.

openair1/PHY/INIT/nr_init.c

@@ -170,7 +170,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
     gNB->pusch_config.pusch_TimeDomainResourceAllocation[i]->mappingType = typeB;
   }
 
-  gNB->ptrs_configured = 1;
+  gNB->ptrs_configured = 0;
 
   //------------- config PUSCH PTRS parameters(to be updated from RRC)--------------//
   ptrs_Uplink_Config->timeDensity.ptrs_mcs1 = 0; // setting MCS values to 0 indicate abscence of time_density field in the configuration

openair1/PHY/INIT/nr_init_ue.c

@@ -748,7 +748,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
   /////////////////////////PUSCH PTRS init/////////////////////////
   ///////////
 
-  ue->ptrs_configured = 1; // flag to be toggled by RCC
+  ue->ptrs_configured = 0; // flag to be toggled by RCC
 
   //------------- config PTRS parameters--------------//
   ptrs_Uplink_Config->timeDensity.ptrs_mcs1 = 0; // setting MCS values to 0 indicate abscence of time_density field in the configuration