<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.8'?>
<flow_graph>
<timestamp>Mon Jun 15 10:51:02 2015</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value>Johannes Demel</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>window_size</key>
<value>1920, 1080</value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>comment</key>
<value># for rough throughput measurements.
tb = polar_encoder_decoder_chain()
start_time = time.time()
tb.start()
tb.wait()
stop_time = time.time()
diff = stop_time - start_time
throughput = tb.head_samps / diff
print("execution time: {0:.6f} for {1:e} samples with throughput: {2:,.2f} Sps".format(diff, tb.head_samps, throughput))</value>
</param>
<param>
<key>description</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(10, 10)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>no_gui</value>
</param>
<param>
<key>id</key>
<value>polar_encoder_decoder_chain</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>run_options</key>
<value>run</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>thread_safe_setters</key>
<value></value>
</param>
<param>
<key>title</key>
<value>POLAR Encoder and Decoder</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>(704, 35)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>block_size</value>
</param>
<param>
<key>value</key>
<value>2 ** 11</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>(360, 11)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>head_samps</value>
</param>
<param>
<key>value</key>
<value>2 ** 23# encoder: 32, decoder: 23</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>(792, 35)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>n_info_bits</value>
</param>
<param>
<key>value</key>
<value>block_size / 2</value>
</param>
</block>
<block>
<key>variable_polar_code_configurator</key>
<param>
<key>num_info_bits</key>
<value>n_info_bits</value>
</param>
<param>
<key>block_size</key>
<value>block_size</value>
</param>
<param>
<key>channel</key>
<value>bsc</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(704, 99)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>polar_config</value>
</param>
<param>
<key>design_snr</key>
<value>-1.0</value>
</param>
<param>
<key>mu</key>
<value>32</value>
</param>
</block>
<block>
<key>variable_polar_decoder_sc_def</key>
<param>
<key>num_info_bits</key>
<value>n_info_bits</value>
</param>
<param>
<key>block_size</key>
<value>block_size</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>dim1</key>
<value>1</value>
</param>
<param>
<key>dim2</key>
<value>4</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>frozen_bit_positions</key>
<value>polar_config['positions']</value>
</param>
<param>
<key>frozen_bit_values</key>
<value>polar_config['values']</value>
</param>
<param>
<key>_coordinate</key>
<value>(864, 555)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>polar_decoder</value>
</param>
<param>
<key>ndim</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_polar_encoder_def</key>
<param>
<key>num_info_bits</key>
<value>n_info_bits</value>
</param>
<param>
<key>block_size</key>
<value>block_size</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>dim1</key>
<value>1</value>
</param>
<param>
<key>dim2</key>
<value>4</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>frozen_bit_positions</key>
<value>polar_config['positions']</value>
</param>
<param>
<key>frozen_bit_values</key>
<value>polar_config['values']</value>
</param>
<param>
<key>_coordinate</key>
<value>(192, 451)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>polar_encoder</value>
</param>
<param>
<key>is_packed</key>
<value>False</value>
</param>
<param>
<key>ndim</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_polar_decoder_sc_list_def</key>
<param>
<key>num_info_bits</key>
<value>n_info_bits</value>
</param>
<param>
<key>block_size</key>
<value>block_size</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>dim1</key>
<value>1</value>
</param>
<param>
<key>dim2</key>
<value>4</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>frozen_bit_positions</key>
<value>polar_config['positions']</value>
</param>
<param>
<key>frozen_bit_values</key>
<value>polar_config['values']</value>
</param>
<param>
<key>_coordinate</key>
<value>(608, 539)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>polar_scld</value>
</param>
<param>
<key>max_list_size</key>
<value>8</value>
</param>
<param>
<key>ndim</key>
<value>0</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, 323)</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>2 ** 10 </value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>repeat</key>
<value>True</value>
</param>
</block>
<block>
<key>blocks_add_const_vxx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>const</key>
<value>1.0</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(752, 347)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_add_const_vxx_0</value>
</param>
<param>
<key>type</key>
<value>float</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_char_to_float</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>False</value>
</param>
<param>
<key>_coordinate</key>
<value>(1112, 347)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_char_to_float_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>scale</key>
<value>1.0</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_char_to_float</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>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(616, 347)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_char_to_float_0_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>scale</key>
<value>-0.5</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_head</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>(944, 459)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_head_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>num_items</key>
<value>head_samps</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_null_sink</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>bus_conns</key>
<value>[[0,],]</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>(1152, 465)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_null_sink_0</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>num_inputs</key>
<value>1</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>fec_extended_decoder</key>
<param>
<key>ann</key>
<value>None</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>decoder_list</key>
<value>polar_scld</value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(872, 323)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>fec_extended_decoder_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>puncpat</key>
<value>'11'</value>
</param>
<param>
<key>threadtype</key>
<value>none</value>
</param>
<param>
<key>value</key>
<value>fec_extended_decoder</value>
</param>
</block>
<block>
<key>fec_extended_encoder</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>0</value>
</param>
<param>
<key>encoder_list</key>
<value>polar_encoder</value>
</param>
<param>
<key>_coordinate</key>
<value>(192, 331)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>fec_extended_encoder_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>puncpat</key>
<value>'11'</value>
</param>
<param>
<key>threadtype</key>
<value>none</value>
</param>
</block>
<block>
<key>import</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1208, 19)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>import_0</value>
</param>
<param>
<key>import</key>
<value>import time</value>
</param>
</block>
<block>
<key>qtgui_time_sink_x</key>
<param>
<key>autoscale</key>
<value>True</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>ctrlpanel</key>
<value>False</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>entags</key>
<value>True</value>
</param>
<param>
<key>_enabled</key>
<value>False</value>
</param>
<param>
<key>_coordinate</key>
<value>(1256, 331)</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_time_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>-1</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>"blue"</value>
</param>
<param>
<key>label10</key>
<value></value>
</param>
<param>
<key>marker10</key>
<value>-1</value>
</param>
<param>
<key>style10</key>
<value>1</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>-1</value>
</param>
<param>
<key>style2</key>
<value>1</value>
</param>
<param>
<key>width2</key>
<value>1</value>
</param>
<param>
<key>alpha3</key>
<value>1.0</value>
</param>
<param>
<key>color3</key>
<value>"green"</value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>marker3</key>
<value>-1</value>
</param>
<param>
<key>style3</key>
<value>1</value>
</param>
<param>
<key>width3</key>
<value>1</value>
</param>
<param>
<key>alpha4</key>
<value>1.0</value>
</param>
<param>
<key>color4</key>
<value>"black"</value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>marker4</key>
<value>-1</value>
</param>
<param>
<key>style4</key>
<value>1</value>
</param>
<param>
<key>width4</key>
<value>1</value>
</param>
<param>
<key>alpha5</key>
<value>1.0</value>
</param>
<param>
<key>color5</key>
<value>"cyan"</value>
</param>
<param>
<key>label5</key>
<value></value>
</param>
<param>
<key>marker5</key>
<value>-1</value>
</param>
<param>
<key>style5</key>
<value>1</value>
</param>
<param>
<key>width5</key>
<value>1</value>
</param>
<param>
<key>alpha6</key>
<value>1.0</value>
</param>
<param>
<key>color6</key>
<value>"magenta"</value>
</param>
<param>
<key>label6</key>
<value></value>
</param>
<param>
<key>marker6</key>
<value>-1</value>
</param>
<param>
<key>style6</key>
<value>1</value>
</param>
<param>
<key>width6</key>
<value>1</value>
</param>
<param>
<key>alpha7</key>
<value>1.0</value>
</param>
<param>
<key>color7</key>
<value>"yellow"</value>
</param>
<param>
<key>label7</key>
<value></value>
</param>
<param>
<key>marker7</key>
<value>-1</value>
</param>
<param>
<key>style7</key>
<value>1</value>
</param>
<param>
<key>width7</key>
<value>1</value>
</param>
<param>
<key>alpha8</key>
<value>1.0</value>
</param>
<param>
<key>color8</key>
<value>"dark red"</value>
</param>
<param>
<key>label8</key>
<value></value>
</param>
<param>
<key>marker8</key>
<value>-1</value>
</param>
<param>
<key>style8</key>
<value>1</value>
</param>
<param>
<key>width8</key>
<value>1</value>
</param>
<param>
<key>alpha9</key>
<value>1.0</value>
</param>
<param>
<key>color9</key>
<value>"dark green"</value>
</param>
<param>
<key>label9</key>
<value></value>
</param>
<param>
<key>marker9</key>
<value>-1</value>
</param>
<param>
<key>style9</key>
<value>1</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>2048</value>
</param>
<param>
<key>srate</key>
<value>samp_rate</value>
</param>
<param>
<key>tr_chan</key>
<value>0</value>
</param>
<param>
<key>tr_delay</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>float</value>
</param>
<param>
<key>update_time</key>
<value>0.10</value>
</param>
<param>
<key>ylabel</key>
<value>Amplitude</value>
</param>
<param>
<key>yunit</key>
<value>""</value>
</param>
<param>
<key>ymax</key>
<value>1</value>
</param>
<param>
<key>ymin</key>
<value>-1</value>
</param>
</block>
<connection>
<source_block_id>analog_random_source_x_0</source_block_id>
<sink_block_id>blocks_char_to_float_0_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>fec_extended_encoder_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_add_const_vxx_0</source_block_id>
<sink_block_id>fec_extended_decoder_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_char_to_float_0</source_block_id>
<sink_block_id>qtgui_time_sink_x_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_char_to_float_0_0</source_block_id>
<sink_block_id>blocks_add_const_vxx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>blocks_head_0</source_block_id>
<sink_block_id>blocks_null_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>fec_extended_decoder_0</source_block_id>
<sink_block_id>blocks_char_to_float_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>fec_extended_decoder_0</source_block_id>
<sink_block_id>blocks_head_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>fec_extended_encoder_0</source_block_id>
<sink_block_id>blocks_char_to_float_0_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>fec_extended_encoder_0</source_block_id>
<sink_block_id>blocks_head_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
</flow_graph>