simulation: simulate with RS-coding

simulation/awgn.grc

@@ -37,7 +37,7 @@ blocks:
   id: variable
   parameters:
     comment: ''
-    value: '10'
+    value: '2'
   states:
     bus_sink: false
     bus_source: false
@@ -102,7 +102,7 @@ blocks:
     label: ''
     short_id: ''
     type: eng_float
-    value: '100'
+    value: '3'
   states:
     bus_sink: false
     bus_source: false
@@ -121,7 +121,7 @@ blocks:
     comment: ''
     maxoutbuf: '0'
     minoutbuf: '0'
-    roc_tolerance: '1'
+    roc_tolerance: '0.8'
     samp_rate: samp_rate
     symbol_map: symbol_map
     syncword: syncword
@@ -140,7 +140,6 @@ blocks:
     affinity: ''
     alias: ''
     comment: ''
-    data_len: data_len
     maxoutbuf: '0'
     minoutbuf: '0'
     preamble: '[0x33 for i in range(0, 128*2, 8)]'
@@ -149,7 +148,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [464, 256.0]
+    coordinate: [480, 264.0]
     rotation: 0
     state: enabled
 - name: blocks_tag_gate_0
@@ -168,7 +167,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [752, 264.0]
+    coordinate: [744, 280.0]
     rotation: 0
     state: enabled
 - name: blocks_throttle2_0
@@ -189,7 +188,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1136, 264.0]
+    coordinate: [1144, 280.0]
     rotation: 0
     state: enabled
 - name: channels_channel_model_0
@@ -203,14 +202,14 @@ blocks:
     freq_offset: freq_offset
     maxoutbuf: '0'
     minoutbuf: '0'
-    noise_voltage: (1/EbN0*(1+RRC_ALPHA)/2)**0.5
+    noise_voltage: 1.0/sqrt(2* 10**(float(EbN0) / 10)) * sqrt(OVERSAMPLING/2)
     seed: '0'
     taps: '1.0'
   states:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [928, 232.0]
+    coordinate: [928, 248.0]
     rotation: 0
     state: enabled
 - name: data_len
@@ -222,7 +221,7 @@ blocks:
     label: ''
     short_id: ''
     type: intx
-    value: '128'
+    value: 255*4 + 32
   states:
     bus_sink: false
     bus_source: false
@@ -247,6 +246,19 @@ blocks:
     coordinate: [960, 136.0]
     rotation: 0
     state: enabled
+- name: import_0
+  id: import
+  parameters:
+    alias: ''
+    comment: ''
+    imports: from math import log10, log2, sqrt
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [968, 24.0]
+    rotation: 0
+    state: enabled
 - name: network_socket_pdu_1
   id: network_socket_pdu
   parameters:
@@ -647,7 +659,7 @@ blocks:
     bus_sink: false
     bus_source: false
     bus_structure: null
-    coordinate: [1320, 272.0]
+    coordinate: [1320, 288.0]
     rotation: 0
     state: enabled
 - name: virtual_source_0