LLR scaling adjustment (log2_maxh computation) for NR ULSCH receiver.

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

@@ -1133,7 +1133,7 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
         for (aarx=0;aarx<frame_parms->nb_antennas_rx;aarx++)
           avgs = cmax(avgs,avg[(aatx<<1)+aarx]);
 
-      gNB->pusch_vars[ulsch_id]->log2_maxh = (log2_approx(avgs)/2)+1;
+      gNB->pusch_vars[ulsch_id]->log2_maxh = (log2_approx(avgs)/2)+3;
       gNB->pusch_vars[ulsch_id]->cl_done = 1;
     }
 

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -902,6 +902,8 @@ int main(int argc, char **argv)
 		&gNB->pusch_vars[0]->ul_ch_estimates_ext[0][(start_symbol+1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size,1,1);
 	  LOG_M("rxsigF0_comp.m","rxsF0_comp",
 		&gNB->pusch_vars[0]->rxdataF_comp[0][(start_symbol+1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size,1,1);
+	  LOG_M("rxsigF0_llr.m","rxsF0_llr",
+		&gNB->pusch_vars[0]->llr[0],(nb_symb_sch-1)*NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,1,0);
 	}
         start_meas(&gNB->phy_proc_rx);
         ////////////////////////////////////////////////////////////