diff options
Diffstat (limited to 'gnuradio-examples/grc/trellis')
| -rw-r--r-- | gnuradio-examples/grc/trellis/interference_cancellation.grc | 2072 | ||||
| -rw-r--r-- | gnuradio-examples/grc/trellis/readme.txt | 16 |
2 files changed, 2088 insertions, 0 deletions
diff --git a/gnuradio-examples/grc/trellis/interference_cancellation.grc b/gnuradio-examples/grc/trellis/interference_cancellation.grc new file mode 100644 index 000000000..e93babd78 --- /dev/null +++ b/gnuradio-examples/grc/trellis/interference_cancellation.grc @@ -0,0 +1,2072 @@ +<?xml version='1.0' encoding='ASCII'?> +<flow_graph> + <timestamp>Thu Mar 19 11:22:40 2009</timestamp> + <block> + <key>options</key> + <param> + <key>id</key> + <value>int_cancellation</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>title</key> + <value>Superposition Coding</value> + </param> + <param> + <key>author</key> + <value>AA</value> + </param> + <param> + <key>description</key> + <value>gnuradio flow graph</value> + </param> + <param> + <key>window_size</key> + <value>2048, 2048</value> + </param> + <param> + <key>generate_options</key> + <value>wx_gui</value> + </param> + <param> + <key>category</key> + <value>Custom</value> + </param> + <param> + <key>realtime_scheduling</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(10, 10)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>alpha</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>P1/P</value> + </param> + <param> + <key>value</key> + <value>0.6</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>1.0</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>slider_length</key> + <value>200</value> + </param> + <param> + <key>slider_type</key> + <value>horizontal</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(243, 11)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable_slider</key> + <param> + <key>id</key> + <value>snr_db</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>label</key> + <value>P/sigma^2 (dB)</value> + </param> + <param> + <key>value</key> + <value>16</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>20</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>slider_length</key> + <value>200</value> + </param> + <param> + <key>slider_type</key> + <value>horizontal</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(447, 14)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>noisevar</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>10**(-snr_db/10)</value> + </param> + <param> + <key>_coordinate</key> + <value>(637, 13)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>random_source_x</key> + <param> + <key>id</key> + <value>random_source_x_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>2</value> + </param> + <param> + <key>num_samps</key> + <value>1000</value> + </param> + <param> + <key>repeat</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(21, 170)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_chunks_to_symbols_xx</key> + <param> + <key>id</key> + <value>gr_chunks_to_symbols_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>in_type</key> + <value>short</value> + </param> + <param> + <key>out_type</key> + <value>complex</value> + </param> + <param> + <key>symbol_table</key> + <value>1,1j,-1j,-1</value> + </param> + <param> + <key>dimension</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(665, 187)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_const_vxx</key> + <param> + <key>id</key> + <value>gr_multiply_const_vxx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>const</key> + <value>alpha**0.5</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(988, 196)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>random_source_x</key> + <param> + <key>id</key> + <value>random_source_x_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>min</key> + <value>0</value> + </param> + <param> + <key>max</key> + <value>2</value> + </param> + <param> + <key>num_samps</key> + <value>1000</value> + </param> + <param> + <key>repeat</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(25, 291)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_chunks_to_symbols_xx</key> + <param> + <key>id</key> + <value>gr_chunks_to_symbols_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>in_type</key> + <value>short</value> + </param> + <param> + <key>out_type</key> + <value>complex</value> + </param> + <param> + <key>symbol_table</key> + <value>1,1j,-1j,-1</value> + </param> + <param> + <key>dimension</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(660, 311)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_const_vxx</key> + <param> + <key>id</key> + <value>gr_multiply_const_vxx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>const</key> + <value>(1-alpha)**0.5</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(994, 319)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_add_xx</key> + <param> + <key>id</key> + <value>gr_add_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1224, 244)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_noise_source_x</key> + <param> + <key>id</key> + <value>gr_noise_source_x_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>noise_type</key> + <value>gr.GR_GAUSSIAN</value> + </param> + <param> + <key>amp</key> + <value>noisevar</value> + </param> + <param> + <key>seed</key> + <value>42</value> + </param> + <param> + <key>_coordinate</key> + <value>(1146, 369)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(536, 529)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_xx</key> + <param> + <key>id</key> + <value>gr_multiply_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(771, 525)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_short_to_float</key> + <param> + <key>id</key> + <value>gr_short_to_float_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(994, 545)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_3</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(535, 792)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_xx</key> + <param> + <key>id</key> + <value>gr_multiply_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(785, 779)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_short_to_float</key> + <param> + <key>id</key> + <value>gr_short_to_float_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(1005, 798)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_chunks_to_symbols_xx</key> + <param> + <key>id</key> + <value>gr_chunks_to_symbols_xx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>in_type</key> + <value>short</value> + </param> + <param> + <key>out_type</key> + <value>complex</value> + </param> + <param> + <key>symbol_table</key> + <value>1,1j,-1j,-1</value> + </param> + <param> + <key>dimension</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(405, 998)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_const_vxx</key> + <param> + <key>id</key> + <value>gr_multiply_const_vxx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>const</key> + <value>alpha**0.5</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(710, 1008)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(944, 978)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(540, 1141)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_xx</key> + <param> + <key>id</key> + <value>gr_multiply_xx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(796, 1136)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_short_to_float</key> + <param> + <key>id</key> + <value>gr_short_to_float_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(1009, 1156)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_chunks_to_symbols_xx</key> + <param> + <key>id</key> + <value>gr_chunks_to_symbols_xx_2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>in_type</key> + <value>short</value> + </param> + <param> + <key>out_type</key> + <value>complex</value> + </param> + <param> + <key>symbol_table</key> + <value>1,1j,-1j,-1</value> + </param> + <param> + <key>dimension</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(420, 1368)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_const_vxx</key> + <param> + <key>id</key> + <value>gr_multiply_const_vxx_2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>const</key> + <value>(1-alpha)**0.5</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(733, 1374)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(975, 1342)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_sub_xx</key> + <param> + <key>id</key> + <value>gr_sub_xx_1_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>_coordinate</key> + <value>(559, 1536)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_multiply_xx</key> + <param> + <key>id</key> + <value>gr_multiply_xx_2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>short</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(771, 1530)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_short_to_float</key> + <param> + <key>id</key> + <value>gr_short_to_float_1_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>_coordinate</key> + <value>(1010, 1551)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_numbersink2</key> + <param> + <key>id</key> + <value>wxgui_numbersink2_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>BER 2 (raw)</value> + </param> + <param> + <key>units</key> + <value>BER</value> + </param> + <param> + <key>samp_rate</key> + <value>R</value> + </param> + <param> + <key>base_value</key> + <value>0.0</value> + </param> + <param> + <key>min_value</key> + <value>0</value> + </param> + <param> + <key>max_value</key> + <value>1.0</value> + </param> + <param> + <key>factor</key> + <value>1.0</value> + </param> + <param> + <key>decimal_places</key> + <value>6</value> + </param> + <param> + <key>ref_level</key> + <value>0</value> + </param> + <param> + <key>number_rate</key> + <value>15</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>avg_alpha</key> + <value>0.001</value> + </param> + <param> + <key>show_gauge</key> + <value>True</value> + </param> + <param> + <key>grid_pos</key> + <value>0,1,1,1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1260, 659)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_numbersink2</key> + <param> + <key>id</key> + <value>wxgui_numbersink2_3</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>BER 2 (after cancelling user 1)</value> + </param> + <param> + <key>units</key> + <value>BER</value> + </param> + <param> + <key>samp_rate</key> + <value>R</value> + </param> + <param> + <key>base_value</key> + <value>0.0</value> + </param> + <param> + <key>min_value</key> + <value>0</value> + </param> + <param> + <key>max_value</key> + <value>1.0</value> + </param> + <param> + <key>factor</key> + <value>1.0</value> + </param> + <param> + <key>decimal_places</key> + <value>6</value> + </param> + <param> + <key>ref_level</key> + <value>0</value> + </param> + <param> + <key>number_rate</key> + <value>15</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>avg_alpha</key> + <value>0.001</value> + </param> + <param> + <key>show_gauge</key> + <value>True</value> + </param> + <param> + <key>grid_pos</key> + <value>1,1,1,1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1262, 1020)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_numbersink2</key> + <param> + <key>id</key> + <value>wxgui_numbersink2_3_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>BER 1 (after cancelling user 2)</value> + </param> + <param> + <key>units</key> + <value>BER</value> + </param> + <param> + <key>samp_rate</key> + <value>R</value> + </param> + <param> + <key>base_value</key> + <value>0.0</value> + </param> + <param> + <key>min_value</key> + <value>0</value> + </param> + <param> + <key>max_value</key> + <value>1.0</value> + </param> + <param> + <key>factor</key> + <value>1.0</value> + </param> + <param> + <key>decimal_places</key> + <value>6</value> + </param> + <param> + <key>ref_level</key> + <value>0</value> + </param> + <param> + <key>number_rate</key> + <value>15</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>avg_alpha</key> + <value>0.001</value> + </param> + <param> + <key>show_gauge</key> + <value>True</value> + </param> + <param> + <key>grid_pos</key> + <value>1,0,1,1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1269, 1417)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>R</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>10e3</value> + </param> + <param> + <key>_coordinate</key> + <value>(748, 12)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_encoder_xx</key> + <param> + <key>id</key> + <value>trellis_encoder_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>ss</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>init_state</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(334, 190)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_encoder_xx</key> + <param> + <key>id</key> + <value>trellis_encoder_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>ss</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>init_state</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(336, 311)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_viterbi_combined_xx</key> + <param> + <key>id</key> + <value>trellis_viterbi_combined_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>c</value> + </param> + <param> + <key>out_type</key> + <value>s</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>block_size</key> + <value>1000</value> + </param> + <param> + <key>init_state</key> + <value>-1</value> + </param> + <param> + <key>final_state</key> + <value>-1</value> + </param> + <param> + <key>dim</key> + <value>1</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>metric_type</key> + <value>trellis.TRELLIS_EUCLIDEAN</value> + </param> + <param> + <key>_coordinate</key> + <value>(79, 501)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_viterbi_combined_xx</key> + <param> + <key>id</key> + <value>trellis_viterbi_combined_xx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>c</value> + </param> + <param> + <key>out_type</key> + <value>s</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>block_size</key> + <value>1000</value> + </param> + <param> + <key>init_state</key> + <value>-1</value> + </param> + <param> + <key>final_state</key> + <value>-1</value> + </param> + <param> + <key>dim</key> + <value>1</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>metric_type</key> + <value>trellis.TRELLIS_EUCLIDEAN</value> + </param> + <param> + <key>_coordinate</key> + <value>(82, 766)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_encoder_xx</key> + <param> + <key>id</key> + <value>trellis_encoder_xx_2</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>ss</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>init_state</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(89, 998)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_viterbi_combined_xx</key> + <param> + <key>id</key> + <value>trellis_viterbi_combined_xx_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>c</value> + </param> + <param> + <key>out_type</key> + <value>s</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>block_size</key> + <value>1000</value> + </param> + <param> + <key>init_state</key> + <value>-1</value> + </param> + <param> + <key>final_state</key> + <value>-1</value> + </param> + <param> + <key>dim</key> + <value>1</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>metric_type</key> + <value>trellis.TRELLIS_EUCLIDEAN</value> + </param> + <param> + <key>_coordinate</key> + <value>(83, 1111)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_encoder_xx</key> + <param> + <key>id</key> + <value>trellis_encoder_xx_2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>ss</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>init_state</key> + <value>0</value> + </param> + <param> + <key>_coordinate</key> + <value>(105, 1367)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>trellis_viterbi_combined_xx</key> + <param> + <key>id</key> + <value>trellis_viterbi_combined_xx_0_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>c</value> + </param> + <param> + <key>out_type</key> + <value>s</value> + </param> + <param> + <key>fsm_args</key> + <value>prefix+"gr-trellis/src/examples/fsm_files/awgn1o2_16.fsm"</value> + </param> + <param> + <key>block_size</key> + <value>1000</value> + </param> + <param> + <key>init_state</key> + <value>-1</value> + </param> + <param> + <key>final_state</key> + <value>-1</value> + </param> + <param> + <key>dim</key> + <value>1</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>metric_type</key> + <value>trellis.TRELLIS_EUCLIDEAN</value> + </param> + <param> + <key>_coordinate</key> + <value>(75, 1495)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>prefix</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>"../../../"</value> + </param> + <param> + <key>_coordinate</key> + <value>(871, 14)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>gr_add_xx</key> + <param> + <key>id</key> + <value>gr_add_xx_1</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>num_inputs</key> + <value>2</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1400, 262)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_numbersink2</key> + <param> + <key>id</key> + <value>wxgui_numbersink2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>float</value> + </param> + <param> + <key>title</key> + <value>BER 1 (raw)</value> + </param> + <param> + <key>units</key> + <value>BER</value> + </param> + <param> + <key>samp_rate</key> + <value>R</value> + </param> + <param> + <key>base_value</key> + <value>0.0</value> + </param> + <param> + <key>min_value</key> + <value>0</value> + </param> + <param> + <key>max_value</key> + <value>1</value> + </param> + <param> + <key>factor</key> + <value>1.0</value> + </param> + <param> + <key>decimal_places</key> + <value>6</value> + </param> + <param> + <key>ref_level</key> + <value>0</value> + </param> + <param> + <key>number_rate</key> + <value>15</value> + </param> + <param> + <key>peak_hold</key> + <value>False</value> + </param> + <param> + <key>average</key> + <value>False</value> + </param> + <param> + <key>avg_alpha</key> + <value>0.001</value> + </param> + <param> + <key>show_gauge</key> + <value>True</value> + </param> + <param> + <key>grid_pos</key> + <value>0,0,1,1</value> + </param> + <param> + <key>_coordinate</key> + <value>(1267, 410)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>wxgui_scopesink2</key> + <param> + <key>id</key> + <value>wxgui_scopesink2_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>title</key> + <value>Scope Plot</value> + </param> + <param> + <key>samp_rate</key> + <value>R</value> + </param> + <param> + <key>v_scale</key> + <value>0</value> + </param> + <param> + <key>t_scale</key> + <value>0</value> + </param> + <param> + <key>ac_couple</key> + <value>False</value> + </param> + <param> + <key>xy_mode</key> + <value>True</value> + </param> + <param> + <key>num_inputs</key> + <value>1</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(1533, 149)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <connection> + <source_block_id>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>trellis_encoder_xx_0</source_block_id> + <sink_block_id>gr_chunks_to_symbols_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>trellis_encoder_xx_1</source_block_id> + <sink_block_id>gr_chunks_to_symbols_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_chunks_to_symbols_xx_0</source_block_id> + <sink_block_id>gr_multiply_const_vxx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_const_vxx_0</source_block_id> + <sink_block_id>gr_add_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_add_xx_0</source_block_id> + <sink_block_id>gr_add_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_noise_source_x_0</source_block_id> + <sink_block_id>gr_add_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_chunks_to_symbols_xx_1</source_block_id> + <sink_block_id>gr_multiply_const_vxx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_const_vxx_1</source_block_id> + <sink_block_id>gr_add_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_sub_xx_0</source_block_id> + <sink_block_id>gr_multiply_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_sub_xx_0</source_block_id> + <sink_block_id>gr_multiply_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_xx_0</source_block_id> + <sink_block_id>gr_short_to_float_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_short_to_float_0</source_block_id> + <sink_block_id>wxgui_numbersink2_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_xx_2</source_block_id> + <sink_block_id>gr_short_to_float_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>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>gr_add_xx_1</source_block_id> + <sink_block_id>trellis_viterbi_combined_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>random_source_x_0</source_block_id> + <sink_block_id>gr_sub_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>trellis_viterbi_combined_xx_1</source_block_id> + <sink_block_id>gr_sub_xx_0</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>trellis_viterbi_combined_xx_0</source_block_id> + <sink_block_id>gr_sub_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>random_source_x_1</source_block_id> + <sink_block_id>gr_sub_xx_1</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_sub_xx_1</source_block_id> + <sink_block_id>gr_multiply_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_sub_xx_1</source_block_id> + <sink_block_id>gr_multiply_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_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>gr_add_xx_1</source_block_id> + <sink_block_id>gr_sub_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>trellis_encoder_xx_2</source_block_id> + <sink_block_id>gr_chunks_to_symbols_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_chunks_to_symbols_xx_2</source_block_id> + <sink_block_id>gr_multiply_const_vxx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_const_vxx_2</source_block_id> + <sink_block_id>gr_sub_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>trellis_viterbi_combined_xx_1</source_block_id> + <sink_block_id>trellis_encoder_xx_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_xx_1</source_block_id> + <sink_block_id>gr_short_to_float_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_short_to_float_2</source_block_id> + <sink_block_id>wxgui_numbersink2_2</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>trellis_viterbi_combined_xx_2</source_block_id> + <sink_block_id>gr_sub_xx_3</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_sub_xx_3</source_block_id> + 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<source_block_id>random_source_x_0</source_block_id> + <sink_block_id>gr_sub_xx_1_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> + <connection> + <source_block_id>gr_multiply_const_vxx_2_0</source_block_id> + <sink_block_id>gr_sub_xx_2_0</sink_block_id> + <source_key>0</source_key> + <sink_key>1</sink_key> + </connection> + <connection> + <source_block_id>gr_add_xx_1</source_block_id> + <sink_block_id>wxgui_scopesink2_0</sink_block_id> + <source_key>0</source_key> + <sink_key>0</sink_key> + </connection> +</flow_graph> diff --git a/gnuradio-examples/grc/trellis/readme.txt b/gnuradio-examples/grc/trellis/readme.txt new file mode 100644 index 000000000..d620fd628 --- /dev/null +++ b/gnuradio-examples/grc/trellis/readme.txt @@ -0,0 +1,16 @@ +This is an example of using gr-trellis in grc. + +Two users are transmitting simultaneously using convolutionally encoded QPSK, each with power P1=alpha*P and P2=(1-alpha)*P. +The combined signal is observed in noise and four different receivers are considered: +1) A viterbi decoder decoding user 1 assuming user 2 is noise +2) A viterbi decoder decoding user 2 assuming user 1 is noise +3) A viterbi decoder decoding user 1 first + and then reencoding this signal, subtracting it from the observation + and then running a Viterbi decoder decoding user 2 +4) A viterbi decoder decoding user 2 first + and then reencoding this signal, subtracting it from the observation + and then running a Viterbi decoder decoding user 1 + +You can change the signal to noise ratio P/sigma^2 and the allocation of power to the two users, alpha. + +Enjoy. |