<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.11'?>
<flow_graph>
  <timestamp>Fri Sep 26 18:21:00 2014</timestamp>
  <block>
    <key>options</key>
    <param>
      <key>author</key>
      <value>AA</value>
    </param>
    <param>
      <key>window_size</key>
      <value>2048, 2048</value>
    </param>
    <param>
      <key>category</key>
      <value>Custom</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>description</key>
      <value>gnuradio flow graph</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 4)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>generate_options</key>
      <value>qt_gui</value>
    </param>
    <param>
      <key>hier_block_src_path</key>
      <value>.:</value>
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    <param>
      <key>id</key>
      <value>int_cancellation</value>
    </param>
    <param>
      <key>max_nouts</key>
      <value>0</value>
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    <param>
      <key>qt_qss_theme</key>
      <value></value>
    </param>
    <param>
      <key>realtime_scheduling</key>
      <value></value>
    </param>
    <param>
      <key>run_command</key>
      <value>{python} -u {filename}</value>
    </param>
    <param>
      <key>run_options</key>
      <value>prompt</value>
    </param>
    <param>
      <key>run</key>
      <value>True</value>
    </param>
    <param>
      <key>thread_safe_setters</key>
      <value></value>
    </param>
    <param>
      <key>title</key>
      <value>Superposition Coding</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(544, 4)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>R</value>
    </param>
    <param>
      <key>value</key>
      <value>100e3</value>
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  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
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    <param>
      <key>value</key>
      <value>.1</value>
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      <key>_enabled</key>
      <value>1</value>
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    <param>
      <key>_coordinate</key>
      <value>(176, 4)</value>
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    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>alpha</value>
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    <param>
      <key>label</key>
      <value>P1/P</value>
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    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
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    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>.01</value>
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    <param>
      <key>stop</key>
      <value>1</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 68)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>block</value>
    </param>
    <param>
      <key>value</key>
      <value>1000</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(632, 4)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fsm1</value>
    </param>
    <param>
      <key>value</key>
      <value>"awgn1o2_16.fsm"</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(632, 68)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>fsm2</value>
    </param>
    <param>
      <key>value</key>
      <value>"awgn1o2_4.fsm"</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 4)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>noisevar</value>
    </param>
    <param>
      <key>value</key>
      <value>10**(-snr_db/10)</value>
    </param>
  </block>
  <block>
    <key>variable</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(816, 4)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>prefix</value>
    </param>
    <param>
      <key>value</key>
      <value>"/usr/local/share/gnuradio/examples/trellis/fsm_files/"</value>
    </param>
  </block>
  <block>
    <key>variable_qtgui_range</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>value</key>
      <value>10</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(312, 4)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>snr_db</value>
    </param>
    <param>
      <key>label</key>
      <value>P/sigma^2 (dB)</value>
    </param>
    <param>
      <key>min_len</key>
      <value>200</value>
    </param>
    <param>
      <key>orient</key>
      <value>Qt.Horizontal</value>
    </param>
    <param>
      <key>start</key>
      <value>0</value>
    </param>
    <param>
      <key>step</key>
      <value>1</value>
    </param>
    <param>
      <key>stop</key>
      <value>20</value>
    </param>
    <param>
      <key>rangeType</key>
      <value>float</value>
    </param>
    <param>
      <key>widget</key>
      <value>counter_slider</value>
    </param>
  </block>
  <block>
    <key>analog_noise_source_x</key>
    <param>
      <key>amp</key>
      <value>noisevar</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(808, 356)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_noise_source_x_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>noise_type</key>
      <value>analog.GR_GAUSSIAN</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>seed</key>
      <value>-42</value>
    </param>
  </block>
  <block>
    <key>analog_random_source_x</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 148)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_random_source_x_0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>2</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>num_samps</key>
      <value>block</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
  </block>
  <block>
    <key>analog_random_source_x</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 284)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>analog_random_source_x_1</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>max</key>
      <value>2</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
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    <param>
      <key>min</key>
      <value>0</value>
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    <param>
      <key>num_samps</key>
      <value>block</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>repeat</key>
      <value>True</value>
    </param>
  </block>
  <block>
    <key>blks2_error_rate</key>
    <param>
      <key>bits_per_symbol</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(568, 476)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blks2_error_rate_0</value>
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    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>'BER'</value>
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    <param>
      <key>win_size</key>
      <value>block*100</value>
    </param>
  </block>
  <block>
    <key>blks2_error_rate</key>
    <param>
      <key>bits_per_symbol</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
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    <param>
      <key>comment</key>
      <value></value>
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    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(584, 668)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>blks2_error_rate_0_0</value>
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    <param>
      <key>maxoutbuf</key>
      <value>0</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>'BER'</value>
    </param>
    <param>
      <key>win_size</key>
      <value>block*100</value>
    </param>
  </block>
  <block>
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    <param>
      <key>bits_per_symbol</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
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    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(416, 1052)</value>
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      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>blks2_error_rate_0_0_0</value>
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      <key>maxoutbuf</key>
      <value>0</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
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    <param>
      <key>type</key>
      <value>'BER'</value>
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    <param>
      <key>win_size</key>
      <value>block*100</value>
    </param>
  </block>
  <block>
    <key>blks2_error_rate</key>
    <param>
      <key>bits_per_symbol</key>
      <value>2</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(424, 1348)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>blks2_error_rate_0_0_0_0</value>
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    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>'BER'</value>
    </param>
    <param>
      <key>win_size</key>
      <value>block*100</value>
    </param>
  </block>
  <block>
    <key>blocks_add_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(1040, 280)</value>
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      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>blocks_add_xx_0</value>
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      <key>type</key>
      <value>complex</value>
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    <param>
      <key>maxoutbuf</key>
      <value>0</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
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    <param>
      <key>num_inputs</key>
      <value>3</value>
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    <param>
      <key>vlen</key>
      <value>1</value>
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  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>alpha**0.5</value>
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    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
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    <param>
      <key>_coordinate</key>
      <value>(816, 172)</value>
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    <param>
      <key>_rotation</key>
      <value>0</value>
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    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_0</value>
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    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>(1-alpha)**0.5</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
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    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(816, 308)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_1</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>alpha**0.5</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(632, 908)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_2</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
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    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_multiply_const_vxx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>const</key>
      <value>(1-alpha)**0.5</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(672, 1220)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_multiply_const_vxx_2_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_sub_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(896, 880)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_sub_xx_2</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_sub_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(872, 1192)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_sub_xx_2_0</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_inputs</key>
      <value>2</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>blocks_throttle</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(424, 172)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>blocks_throttle_0</value>
    </param>
    <param>
      <key>ignoretag</key>
      <value>True</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>samples_per_second</key>
      <value>R</value>
    </param>
    <param>
      <key>type</key>
      <value>byte</value>
    </param>
    <param>
      <key>vlen</key>
      <value>1</value>
    </param>
  </block>
  <block>
    <key>digital_chunks_to_symbols_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dimension</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(608, 164)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_chunks_to_symbols_xx_0</value>
    </param>
    <param>
      <key>in_type</key>
      <value>byte</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>out_type</key>
      <value>complex</value>
    </param>
    <param>
      <key>symbol_table</key>
      <value>1,1j,-1j,-1</value>
    </param>
  </block>
  <block>
    <key>digital_chunks_to_symbols_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dimension</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(608, 300)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_chunks_to_symbols_xx_0_0</value>
    </param>
    <param>
      <key>in_type</key>
      <value>byte</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>out_type</key>
      <value>complex</value>
    </param>
    <param>
      <key>symbol_table</key>
      <value>1,1j,-1j,-1</value>
    </param>
  </block>
  <block>
    <key>digital_chunks_to_symbols_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dimension</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(416, 900)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_chunks_to_symbols_xx_0_0_0</value>
    </param>
    <param>
      <key>in_type</key>
      <value>byte</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>out_type</key>
      <value>complex</value>
    </param>
    <param>
      <key>symbol_table</key>
      <value>1,1j,-1j,-1</value>
    </param>
  </block>
  <block>
    <key>digital_chunks_to_symbols_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dimension</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(432, 1212)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>digital_chunks_to_symbols_xx_0_0_1</value>
    </param>
    <param>
      <key>in_type</key>
      <value>byte</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>num_ports</key>
      <value>1</value>
    </param>
    <param>
      <key>out_type</key>
      <value>complex</value>
    </param>
    <param>
      <key>symbol_table</key>
      <value>1,1j,-1j,-1</value>
    </param>
  </block>
  <block>
    <key>qtgui_const_sink_x</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>axislabels</key>
      <value>True</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1144, 300)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value></value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>grid</key>
      <value>False</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_const_sink_x_0</value>
    </param>
    <param>
      <key>legend</key>
      <value>True</value>
    </param>
    <param>
      <key>alpha1</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color1</key>
      <value>"blue"</value>
    </param>
    <param>
      <key>label1</key>
      <value></value>
    </param>
    <param>
      <key>marker1</key>
      <value>0</value>
    </param>
    <param>
      <key>style1</key>
      <value>1</value>
    </param>
    <param>
      <key>width1</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha10</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color10</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>marker10</key>
      <value>0</value>
    </param>
    <param>
      <key>style10</key>
      <value>0</value>
    </param>
    <param>
      <key>width10</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha2</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color2</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>marker2</key>
      <value>0</value>
    </param>
    <param>
      <key>style2</key>
      <value>0</value>
    </param>
    <param>
      <key>width2</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha3</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color3</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>marker3</key>
      <value>0</value>
    </param>
    <param>
      <key>style3</key>
      <value>0</value>
    </param>
    <param>
      <key>width3</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha4</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color4</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>marker4</key>
      <value>0</value>
    </param>
    <param>
      <key>style4</key>
      <value>0</value>
    </param>
    <param>
      <key>width4</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha5</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color5</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>marker5</key>
      <value>0</value>
    </param>
    <param>
      <key>style5</key>
      <value>0</value>
    </param>
    <param>
      <key>width5</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha6</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color6</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>marker6</key>
      <value>0</value>
    </param>
    <param>
      <key>style6</key>
      <value>0</value>
    </param>
    <param>
      <key>width6</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha7</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color7</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>marker7</key>
      <value>0</value>
    </param>
    <param>
      <key>style7</key>
      <value>0</value>
    </param>
    <param>
      <key>width7</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha8</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color8</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>marker8</key>
      <value>0</value>
    </param>
    <param>
      <key>style8</key>
      <value>0</value>
    </param>
    <param>
      <key>width8</key>
      <value>1</value>
    </param>
    <param>
      <key>alpha9</key>
      <value>1.0</value>
    </param>
    <param>
      <key>color9</key>
      <value>"red"</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>marker9</key>
      <value>0</value>
    </param>
    <param>
      <key>style9</key>
      <value>0</value>
    </param>
    <param>
      <key>width9</key>
      <value>1</value>
    </param>
    <param>
      <key>name</key>
      <value>""</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>size</key>
      <value>1024</value>
    </param>
    <param>
      <key>tr_chan</key>
      <value>0</value>
    </param>
    <param>
      <key>tr_level</key>
      <value>0.0</value>
    </param>
    <param>
      <key>tr_mode</key>
      <value>qtgui.TRIG_MODE_FREE</value>
    </param>
    <param>
      <key>tr_slope</key>
      <value>qtgui.TRIG_SLOPE_POS</value>
    </param>
    <param>
      <key>tr_tag</key>
      <value>""</value>
    </param>
    <param>
      <key>type</key>
      <value>complex</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
    <param>
      <key>xmax</key>
      <value>2</value>
    </param>
    <param>
      <key>xmin</key>
      <value>-2</value>
    </param>
    <param>
      <key>ymax</key>
      <value>2</value>
    </param>
    <param>
      <key>ymin</key>
      <value>-2</value>
    </param>
  </block>
  <block>
    <key>qtgui_number_sink</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>avg</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(784, 468)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>graph_type</key>
      <value>qtgui.NUM_GRAPH_HORIZ</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_number_sink_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>color1</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor1</key>
      <value>1</value>
    </param>
    <param>
      <key>label1</key>
      <value>BER</value>
    </param>
    <param>
      <key>unit1</key>
      <value></value>
    </param>
    <param>
      <key>color10</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor10</key>
      <value>1</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>unit10</key>
      <value></value>
    </param>
    <param>
      <key>color2</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor2</key>
      <value>1</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>unit2</key>
      <value></value>
    </param>
    <param>
      <key>color3</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor3</key>
      <value>1</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>unit3</key>
      <value></value>
    </param>
    <param>
      <key>color4</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor4</key>
      <value>1</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>unit4</key>
      <value></value>
    </param>
    <param>
      <key>color5</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor5</key>
      <value>1</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>unit5</key>
      <value></value>
    </param>
    <param>
      <key>color6</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor6</key>
      <value>1</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>unit6</key>
      <value></value>
    </param>
    <param>
      <key>color7</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor7</key>
      <value>1</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>unit7</key>
      <value></value>
    </param>
    <param>
      <key>color8</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor8</key>
      <value>1</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>unit8</key>
      <value></value>
    </param>
    <param>
      <key>color9</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor9</key>
      <value>1</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>unit9</key>
      <value></value>
    </param>
    <param>
      <key>max</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>"BER1 (Raw)"</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
  </block>
  <block>
    <key>qtgui_number_sink</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>avg</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(792, 660)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>0,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>graph_type</key>
      <value>qtgui.NUM_GRAPH_HORIZ</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_number_sink_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>color1</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor1</key>
      <value>1</value>
    </param>
    <param>
      <key>label1</key>
      <value>BER</value>
    </param>
    <param>
      <key>unit1</key>
      <value></value>
    </param>
    <param>
      <key>color10</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor10</key>
      <value>1</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>unit10</key>
      <value></value>
    </param>
    <param>
      <key>color2</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor2</key>
      <value>1</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>unit2</key>
      <value></value>
    </param>
    <param>
      <key>color3</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor3</key>
      <value>1</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>unit3</key>
      <value></value>
    </param>
    <param>
      <key>color4</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor4</key>
      <value>1</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>unit4</key>
      <value></value>
    </param>
    <param>
      <key>color5</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor5</key>
      <value>1</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>unit5</key>
      <value></value>
    </param>
    <param>
      <key>color6</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor6</key>
      <value>1</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>unit6</key>
      <value></value>
    </param>
    <param>
      <key>color7</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor7</key>
      <value>1</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>unit7</key>
      <value></value>
    </param>
    <param>
      <key>color8</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor8</key>
      <value>1</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>unit8</key>
      <value></value>
    </param>
    <param>
      <key>color9</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor9</key>
      <value>1</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>unit9</key>
      <value></value>
    </param>
    <param>
      <key>max</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>"BER 2 (Raw)"</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
  </block>
  <block>
    <key>qtgui_number_sink</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>avg</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(600, 1044)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>1,1,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>graph_type</key>
      <value>qtgui.NUM_GRAPH_HORIZ</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_number_sink_0_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>color1</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor1</key>
      <value>1</value>
    </param>
    <param>
      <key>label1</key>
      <value>BER</value>
    </param>
    <param>
      <key>unit1</key>
      <value></value>
    </param>
    <param>
      <key>color10</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor10</key>
      <value>1</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>unit10</key>
      <value></value>
    </param>
    <param>
      <key>color2</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor2</key>
      <value>1</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>unit2</key>
      <value></value>
    </param>
    <param>
      <key>color3</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor3</key>
      <value>1</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>unit3</key>
      <value></value>
    </param>
    <param>
      <key>color4</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor4</key>
      <value>1</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>unit4</key>
      <value></value>
    </param>
    <param>
      <key>color5</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor5</key>
      <value>1</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>unit5</key>
      <value></value>
    </param>
    <param>
      <key>color6</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor6</key>
      <value>1</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>unit6</key>
      <value></value>
    </param>
    <param>
      <key>color7</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor7</key>
      <value>1</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>unit7</key>
      <value></value>
    </param>
    <param>
      <key>color8</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor8</key>
      <value>1</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>unit8</key>
      <value></value>
    </param>
    <param>
      <key>color9</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor9</key>
      <value>1</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>unit9</key>
      <value></value>
    </param>
    <param>
      <key>max</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>"BER 2 (after cancelling user 1)"</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
  </block>
  <block>
    <key>qtgui_number_sink</key>
    <param>
      <key>autoscale</key>
      <value>False</value>
    </param>
    <param>
      <key>avg</key>
      <value>0</value>
    </param>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(632, 1340)</value>
    </param>
    <param>
      <key>gui_hint</key>
      <value>1,0,1,1</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>graph_type</key>
      <value>qtgui.NUM_GRAPH_HORIZ</value>
    </param>
    <param>
      <key>id</key>
      <value>qtgui_number_sink_0_0_0_0</value>
    </param>
    <param>
      <key>type</key>
      <value>float</value>
    </param>
    <param>
      <key>color1</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor1</key>
      <value>1</value>
    </param>
    <param>
      <key>label1</key>
      <value>BER</value>
    </param>
    <param>
      <key>unit1</key>
      <value></value>
    </param>
    <param>
      <key>color10</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor10</key>
      <value>1</value>
    </param>
    <param>
      <key>label10</key>
      <value></value>
    </param>
    <param>
      <key>unit10</key>
      <value></value>
    </param>
    <param>
      <key>color2</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor2</key>
      <value>1</value>
    </param>
    <param>
      <key>label2</key>
      <value></value>
    </param>
    <param>
      <key>unit2</key>
      <value></value>
    </param>
    <param>
      <key>color3</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor3</key>
      <value>1</value>
    </param>
    <param>
      <key>label3</key>
      <value></value>
    </param>
    <param>
      <key>unit3</key>
      <value></value>
    </param>
    <param>
      <key>color4</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor4</key>
      <value>1</value>
    </param>
    <param>
      <key>label4</key>
      <value></value>
    </param>
    <param>
      <key>unit4</key>
      <value></value>
    </param>
    <param>
      <key>color5</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor5</key>
      <value>1</value>
    </param>
    <param>
      <key>label5</key>
      <value></value>
    </param>
    <param>
      <key>unit5</key>
      <value></value>
    </param>
    <param>
      <key>color6</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor6</key>
      <value>1</value>
    </param>
    <param>
      <key>label6</key>
      <value></value>
    </param>
    <param>
      <key>unit6</key>
      <value></value>
    </param>
    <param>
      <key>color7</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor7</key>
      <value>1</value>
    </param>
    <param>
      <key>label7</key>
      <value></value>
    </param>
    <param>
      <key>unit7</key>
      <value></value>
    </param>
    <param>
      <key>color8</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor8</key>
      <value>1</value>
    </param>
    <param>
      <key>label8</key>
      <value></value>
    </param>
    <param>
      <key>unit8</key>
      <value></value>
    </param>
    <param>
      <key>color9</key>
      <value>("black", "black")</value>
    </param>
    <param>
      <key>factor9</key>
      <value>1</value>
    </param>
    <param>
      <key>label9</key>
      <value></value>
    </param>
    <param>
      <key>unit9</key>
      <value></value>
    </param>
    <param>
      <key>max</key>
      <value>1</value>
    </param>
    <param>
      <key>min</key>
      <value>0</value>
    </param>
    <param>
      <key>name</key>
      <value>BER 1 (after cancelling user 2)</value>
    </param>
    <param>
      <key>nconnections</key>
      <value>1</value>
    </param>
    <param>
      <key>update_time</key>
      <value>0.10</value>
    </param>
  </block>
  <block>
    <key>trellis_encoder_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>blocklength</key>
      <value>0</value>
    </param>
    <param>
      <key>blockwise</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(192, 164)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_encoder_xx_0</value>
    </param>
    <param>
      <key>init_state</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>bb</value>
    </param>
  </block>
  <block>
    <key>trellis_encoder_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>blocklength</key>
      <value>0</value>
    </param>
    <param>
      <key>blockwise</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(192, 300)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_encoder_xx_1</value>
    </param>
    <param>
      <key>init_state</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>bb</value>
    </param>
  </block>
  <block>
    <key>trellis_encoder_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>blocklength</key>
      <value>0</value>
    </param>
    <param>
      <key>blockwise</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(192, 900)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_encoder_xx_2</value>
    </param>
    <param>
      <key>init_state</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>bb</value>
    </param>
  </block>
  <block>
    <key>trellis_encoder_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>blocklength</key>
      <value>0</value>
    </param>
    <param>
      <key>blockwise</key>
      <value>False</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm2</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(184, 1212)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_encoder_xx_2_0</value>
    </param>
    <param>
      <key>init_state</key>
      <value>0</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>type</key>
      <value>bb</value>
    </param>
  </block>
  <block>
    <key>trellis_viterbi_combined_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>block_size</key>
      <value>block</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>table</key>
      <value>(1-alpha)**0.5*1,(1-alpha)**0.5*1j,(1-alpha)**0.5*(-1j),(1-alpha)**0.5*(-1)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm2</value>
    </param>
    <param>
      <key>final_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(40, 1036)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_viterbi_combined_xx_0</value>
    </param>
    <param>
      <key>init_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>type</key>
      <value>c</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>metric_type</key>
      <value>digital.TRELLIS_EUCLIDEAN</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>out_type</key>
      <value>b</value>
    </param>
  </block>
  <block>
    <key>trellis_viterbi_combined_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>block_size</key>
      <value>block</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>table</key>
      <value>alpha**0.5*1,alpha**0.5*1j,alpha**0.5*(-1j),alpha**0.5*(-1)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm1</value>
    </param>
    <param>
      <key>final_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(40, 1332)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_viterbi_combined_xx_0_0</value>
    </param>
    <param>
      <key>init_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>type</key>
      <value>c</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>metric_type</key>
      <value>digital.TRELLIS_EUCLIDEAN</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>out_type</key>
      <value>b</value>
    </param>
  </block>
  <block>
    <key>trellis_viterbi_combined_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>block_size</key>
      <value>block</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>table</key>
      <value>alpha**0.5*1,alpha**0.5*1j,alpha**0.5*(-1j),alpha**0.5*(-1)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm1</value>
    </param>
    <param>
      <key>final_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(208, 460)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_viterbi_combined_xx_1</value>
    </param>
    <param>
      <key>init_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>type</key>
      <value>c</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>metric_type</key>
      <value>digital.TRELLIS_EUCLIDEAN</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>out_type</key>
      <value>b</value>
    </param>
  </block>
  <block>
    <key>trellis_viterbi_combined_xx</key>
    <param>
      <key>alias</key>
      <value></value>
    </param>
    <param>
      <key>block_size</key>
      <value>block</value>
    </param>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>table</key>
      <value>(1-alpha)**0.5*1,(1-alpha)**0.5*1j,(1-alpha)**0.5*(-1j),(1-alpha)**0.5*(-1)</value>
    </param>
    <param>
      <key>affinity</key>
      <value></value>
    </param>
    <param>
      <key>dim</key>
      <value>1</value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>fsm_args</key>
      <value>prefix+fsm2</value>
    </param>
    <param>
      <key>final_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(216, 652)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>trellis_viterbi_combined_xx_2</value>
    </param>
    <param>
      <key>init_state</key>
      <value>-1</value>
    </param>
    <param>
      <key>type</key>
      <value>c</value>
    </param>
    <param>
      <key>maxoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>metric_type</key>
      <value>digital.TRELLIS_EUCLIDEAN</value>
    </param>
    <param>
      <key>minoutbuf</key>
      <value>0</value>
    </param>
    <param>
      <key>out_type</key>
      <value>b</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(192, 228)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_sink_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user1</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(192, 364)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_sink_0_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user2</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(1144, 380)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_sink_0_1</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>observation</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(448, 572)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_sink_0_2</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user1_est</value>
    </param>
  </block>
  <block>
    <key>virtual_sink</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(456, 764)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_sink_0_2_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user2_est</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(408, 476)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user1</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(240, 1348)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user1</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 508)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_1</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>observation</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 700)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_1_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>observation</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(696, 852)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_1_1</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>observation</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(656, 1172)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_1_2</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>observation</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 908)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_2</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user1_est</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(0, 1220)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_2_0</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user2_est</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(408, 668)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_3</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user2</value>
    </param>
  </block>
  <block>
    <key>virtual_source</key>
    <param>
      <key>comment</key>
      <value></value>
    </param>
    <param>
      <key>_enabled</key>
      <value>True</value>
    </param>
    <param>
      <key>_coordinate</key>
      <value>(232, 1052)</value>
    </param>
    <param>
      <key>_rotation</key>
      <value>0</value>
    </param>
    <param>
      <key>id</key>
      <value>virtual_source_0_4</value>
    </param>
    <param>
      <key>stream_id</key>
      <value>user2</value>
    </param>
  </block>
  <connection>
    <source_block_id>analog_noise_source_x_0</source_block_id>
    <sink_block_id>blocks_add_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>2</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_random_source_x_0</source_block_id>
    <sink_block_id>trellis_encoder_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_random_source_x_0</source_block_id>
    <sink_block_id>virtual_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_random_source_x_1</source_block_id>
    <sink_block_id>trellis_encoder_xx_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>analog_random_source_x_1</source_block_id>
    <sink_block_id>virtual_sink_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_error_rate_0</source_block_id>
    <sink_block_id>qtgui_number_sink_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_error_rate_0_0</source_block_id>
    <sink_block_id>qtgui_number_sink_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_error_rate_0_0_0</source_block_id>
    <sink_block_id>qtgui_number_sink_0_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blks2_error_rate_0_0_0_0</source_block_id>
    <sink_block_id>qtgui_number_sink_0_0_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_add_xx_0</source_block_id>
    <sink_block_id>qtgui_const_sink_x_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_add_xx_0</source_block_id>
    <sink_block_id>virtual_sink_0_1</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
    <sink_block_id>blocks_add_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_1</source_block_id>
    <sink_block_id>blocks_add_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_2</source_block_id>
    <sink_block_id>blocks_sub_xx_2</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_multiply_const_vxx_2_0</source_block_id>
    <sink_block_id>blocks_sub_xx_2_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_sub_xx_2</source_block_id>
    <sink_block_id>trellis_viterbi_combined_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_sub_xx_2_0</source_block_id>
    <sink_block_id>trellis_viterbi_combined_xx_0_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>blocks_throttle_0</source_block_id>
    <sink_block_id>digital_chunks_to_symbols_xx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
    <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>digital_chunks_to_symbols_xx_0_0</source_block_id>
    <sink_block_id>blocks_multiply_const_vxx_1</sink_block_id>
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    <sink_key>0</sink_key>
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    <source_block_id>digital_chunks_to_symbols_xx_0_0_0</source_block_id>
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    <source_block_id>digital_chunks_to_symbols_xx_0_0_1</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_encoder_xx_0</source_block_id>
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    <sink_key>0</sink_key>
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  <connection>
    <source_block_id>trellis_encoder_xx_1</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_encoder_xx_2</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_encoder_xx_2_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_viterbi_combined_xx_0</source_block_id>
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    <source_block_id>trellis_viterbi_combined_xx_0_0</source_block_id>
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  <connection>
    <source_block_id>trellis_viterbi_combined_xx_1</source_block_id>
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  </connection>
  <connection>
    <source_block_id>trellis_viterbi_combined_xx_1</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_viterbi_combined_xx_2</source_block_id>
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    <sink_key>1</sink_key>
  </connection>
  <connection>
    <source_block_id>trellis_viterbi_combined_xx_2</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0</source_block_id>
    <sink_block_id>blks2_error_rate_0</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_0</source_block_id>
    <sink_block_id>blks2_error_rate_0_0_0_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_1</source_block_id>
    <sink_block_id>trellis_viterbi_combined_xx_1</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_1_0</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_1_1</source_block_id>
    <sink_block_id>blocks_sub_xx_2</sink_block_id>
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    <sink_key>0</sink_key>
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  <connection>
    <source_block_id>virtual_source_0_1_2</source_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_2</source_block_id>
    <sink_block_id>trellis_encoder_xx_2</sink_block_id>
    <source_key>0</source_key>
    <sink_key>0</sink_key>
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  <connection>
    <source_block_id>virtual_source_0_2_0</source_block_id>
    <sink_block_id>trellis_encoder_xx_2_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_3</source_block_id>
    <sink_block_id>blks2_error_rate_0_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
  <connection>
    <source_block_id>virtual_source_0_4</source_block_id>
    <sink_block_id>blks2_error_rate_0_0_0</sink_block_id>
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    <sink_key>0</sink_key>
  </connection>
</flow_graph>
