Function to get sample rate and BW

This MR creates a common function to get sample rate and BW for RU and phy-simulators

common/utils/nr/nr_common.c

@@ -472,6 +472,236 @@ int get_subband_size(int NPRB,int size) {
  
 }
 
+void get_samplerate_and_bw(int mu,
+                           int n_rb,
+                           int8_t threequarter_fs,
+                           double *sample_rate,
+                           unsigned int *samples_per_frame,
+                           double *tx_bw,
+                           double *rx_bw) {
+
+  if (mu == 0) {
+    switch(n_rb) {
+    case 270:
+      if (threequarter_fs) {
+        *sample_rate=92.16e6;
+        *samples_per_frame = 921600;
+        *tx_bw = 50e6;
+        *rx_bw = 50e6;
+      } else {
+        *sample_rate=61.44e6;
+        *samples_per_frame = 614400;
+        *tx_bw = 50e6;
+        *rx_bw = 50e6;
+      }
+    case 216:
+      if (threequarter_fs) {
+        *sample_rate=46.08e6;
+        *samples_per_frame = 460800;
+        *tx_bw = 40e6;
+        *rx_bw = 40e6;
+      }
+      else {
+        *sample_rate=61.44e6;
+        *samples_per_frame = 614400;
+        *tx_bw = 40e6;
+        *rx_bw = 40e6;
+      }
+      break;
+    case 160: //30 MHz
+    case 133: //25 MHz
+      if (threequarter_fs) {
+        AssertFatal(1==0,"N_RB %d cannot use 3/4 sampling\n",n_rb);
+      }
+      else {
+        *sample_rate=30.72e6;
+        *samples_per_frame = 307200;
+        *tx_bw = 20e6;
+        *rx_bw = 20e6;
+      }
+    case 106:
+      if (threequarter_fs) {
+        *sample_rate=23.04e6;
+        *samples_per_frame = 230400;
+        *tx_bw = 20e6;
+        *rx_bw = 20e6;
+      }
+      else {
+        *sample_rate=30.72e6;
+        *samples_per_frame = 307200;
+        *tx_bw = 20e6;
+        *rx_bw = 20e6;
+      }
+      break;
+    case 52:
+      if (threequarter_fs) {
+        *sample_rate=11.52e6;
+        *samples_per_frame = 115200;
+        *tx_bw = 10e6;
+        *rx_bw = 10e6;
+      }
+      else {
+        *sample_rate=15.36e6;
+        *samples_per_frame = 153600;
+        *tx_bw = 10e6;
+        *rx_bw = 10e6;
+      }
+    case 25:
+      if (threequarter_fs) {
+        *sample_rate=5.76e6;
+        *samples_per_frame = 57600;
+        *tx_bw = 5e6;
+        *rx_bw = 5e6;
+      }
+      else {
+        *sample_rate=7.68e6;
+        *samples_per_frame = 76800;
+        *tx_bw = 5e6;
+        *rx_bw = 5e6;
+      }
+      break;
+    default:
+      AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",n_rb,mu);
+    }
+  } else if (mu == 1) {
+    switch(n_rb) {
+
+    case 273:
+      if (threequarter_fs) {
+        *sample_rate=184.32e6;
+        *samples_per_frame = 1843200;
+        *tx_bw = 100e6;
+        *rx_bw = 100e6;
+      } else {
+        *sample_rate=122.88e6;
+        *samples_per_frame = 1228800;
+        *tx_bw = 100e6;
+        *rx_bw = 100e6;
+      }
+      break;
+    case 217:
+      if (threequarter_fs) {
+        *sample_rate=92.16e6;
+        *samples_per_frame = 921600;
+        *tx_bw = 80e6;
+        *rx_bw = 80e6;
+      } else {
+        *sample_rate=122.88e6;
+        *samples_per_frame = 1228800;
+        *tx_bw = 80e6;
+        *rx_bw = 80e6;
+      }
+      break;
+    case 162 :
+      if (threequarter_fs) {
+        AssertFatal(1==0,"N_RB %d cannot use 3/4 sampling\n",n_rb);
+      }
+      else {
+        *sample_rate=61.44e6;
+        *samples_per_frame = 614400;
+        *tx_bw = 60e6;
+        *rx_bw = 60e6;
+      }
+
+      break;
+
+    case 133 :
+      if (threequarter_fs) {
+	AssertFatal(1==0,"N_RB %d cannot use 3/4 sampling\n",n_rb);
+      }
+      else {
+        *sample_rate=61.44e6;
+        *samples_per_frame = 614400;
+        *tx_bw = 50e6;
+        *rx_bw = 50e6;
+      }
+
+      break;
+    case 106:
+      if (threequarter_fs) {
+        *sample_rate=46.08e6;
+        *samples_per_frame = 460800;
+        *tx_bw = 40e6;
+        *rx_bw = 40e6;
+      }
+      else {
+        *sample_rate=61.44e6;
+        *samples_per_frame = 614400;
+        *tx_bw = 40e6;
+        *rx_bw = 40e6;
+      }
+     break;
+    case 51:
+      if (threequarter_fs) {
+        *sample_rate=23.04e6;
+        *samples_per_frame = 230400;
+        *tx_bw = 20e6;
+        *rx_bw = 20e6;
+      }
+      else {
+        *sample_rate=30.72e6;
+        *samples_per_frame = 307200;
+        *tx_bw = 20e6;
+        *rx_bw = 20e6;
+      }
+      break;
+    case 24:
+      if (threequarter_fs) {
+        *sample_rate=11.52e6;
+        *samples_per_frame = 115200;
+        *tx_bw = 10e6;
+        *rx_bw = 10e6;
+      }
+      else {
+        *sample_rate=15.36e6;
+        *samples_per_frame = 153600;
+        *tx_bw = 10e6;
+        *rx_bw = 10e6;
+      }
+      break;
+    default:
+      AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",n_rb,mu);
+    }
+  } else if (mu == 3) {
+    switch(n_rb) {
+      case 66:
+        if (threequarter_fs) {
+          *sample_rate=184.32e6;
+          *samples_per_frame = 1843200;
+          *tx_bw = 100e6;
+          *rx_bw = 100e6;
+        } else {
+          *sample_rate = 122.88e6;
+          *samples_per_frame = 1228800;
+          *tx_bw = 100e6;
+          *rx_bw = 100e6;
+        }
+
+        break;
+
+      case 32:
+        if (threequarter_fs) {
+          *sample_rate=92.16e6;
+          *samples_per_frame = 921600;
+          *tx_bw = 50e6;
+          *rx_bw = 50e6;
+        } else {
+          *sample_rate=61.44e6;
+          *samples_per_frame = 614400;
+          *tx_bw = 50e6;
+          *rx_bw = 50e6;
+        }
+
+        break;
+
+      default:
+        AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",n_rb,mu);
+    }
+  } else {
+    AssertFatal(0 == 1,"Numerology %d not supported for the moment\n",mu);
+  }
+}
+
 // from start symbol index and nb or symbols to symbol occupation bitmap in a slot
 uint16_t SL_to_bitmap(int startSymbolIndex, int nrOfSymbols) {
  return ((1<<nrOfSymbols)-1)<<startSymbolIndex;