5G NR: change PUSCH and PDSCH channel levelling for higher accuracy

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

@@ -1272,7 +1272,7 @@ 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)+3;
+      gNB->pusch_vars[ulsch_id]->log2_maxh = (log2_approx(avgs)/2) + 1;
       gNB->pusch_vars[ulsch_id]->cl_done = 1;
     }
 

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c

@@ -443,8 +443,6 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
           //LOG_I(PHY, "avgs Power per SC is %d\n", avgs);
           median[(aatx*frame_parms->nb_antennas_rx)+aarx] = avg[(aatx*frame_parms->nb_antennas_rx)+aarx];
         }
-      pdsch_vars[gNB_id]->log2_maxh = (log2_approx(avgs)/2)+3;
-      //LOG_I(PHY, "avgs Power per SC is %d lg2_maxh %d\n", avgs,  pdsch_vars[gNB_id]->log2_maxh);
 
       if (dlsch0_harq->mimo_mode == NR_DUALSTREAM) {
         nr_dlsch_channel_level_median(pdsch_vars[gNB_id]->dl_ch_estimates_ext,
@@ -459,8 +457,10 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
             avgs = cmax(avgs, median[aatx*n_rx + aarx]);
           }
         }
-        pdsch_vars[gNB_id]->log2_maxh = (log2_approx(avgs)/2) + 1;
       }
+
+      pdsch_vars[gNB_id]->log2_maxh = (log2_approx(avgs)/2) + 1;
+      //LOG_I(PHY, "avgs Power per SC is %d lg2_maxh %d\n", avgs,  pdsch_vars[gNB_id]->log2_maxh);
     }
     LOG_D(PHY,"[DLSCH] AbsSubframe %d.%d log2_maxh = %d [log2_maxh0 %d log2_maxh1 %d] (%d,%d)\n",
           frame%1024,