Fix for dmrs and data extraction for using threequarter sampling rate

f9fb0dfb · Rakesh · Florian Kaltenberger · 9911938f · f9fb0dfb · f9fb0dfb
Commit f9fb0dfb authored Jun 19, 2019 by Rakesh Committed by Florian Kaltenberger Jul 08, 2019
Showing with 59 additions and 28 deletions

openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c +53 -24

openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c +6 -4

No files found.
--- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
@@ -103,8 +103,9 @@ uint16_t nr_pbch_extract(int **rxdataF,
            j++;
          }

-          rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
-        }
+          //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+          rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
+	}

        rxF_ext+=9;
      } else { //symbol 2
@@ -125,11 +126,12 @@ uint16_t nr_pbch_extract(int **rxdataF,
              j++;
            }

-            rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+            //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+            rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
          }

          rxF_ext+=9;
-        } else rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
+        } else rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 12) : (rx_offset+12);//rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
      }
    }