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ber_sim.grc
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<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.9'?>
<flow_graph>
<timestamp>Mon Jan 20 18:44:49 2020</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value>Example</value>
</param>
<param>
<key>window_size</key>
<value></value>
</param>
<param>
<key>category</key>
<value>Custom</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>description</key>
<value>Adjust EbNo and check the BER</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(8, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>wx_gui</value>
</param>
<param>
<key>hier_block_src_path</key>
<value>.:</value>
</param>
<param>
<key>id</key>
<value>ber_sim</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<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>BER Simulation</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>(208, 37)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>constellation</value>
</param>
<param>
<key>value</key>
<value>(digital.constellation_bpsk(), digital.constellation_qpsk(), digital.constellation_8psk())</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>(376, 37)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>constellation_type</value>
</param>
<param>
<key>value</key>
<value>1</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>(8, 160)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>value</key>
<value>100000</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>(120, 125)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samples_per_symbol</value>
</param>
<param>
<key>value</key>
<value>2</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>(8, 247)</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>constellation[constellation_type].arity()</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>min</key>
<value>0</value>
</param>
<param>
<key>num_samps</key>
<value>10000000</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>repeat</key>
<value>True</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>(800, 153)</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>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>(192, 212)</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>samp_rate</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>digital_constellation_modulator</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>constellation</key>
<value>constellation[constellation_type].base()</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>differential</key>
<value>False</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>excess_bw</key>
<value>0.35</value>
</param>
<param>
<key>_coordinate</key>
<value>(360, 119)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>digital_constellation_modulator_0</value>
</param>
<param>
<key>log</key>
<value>False</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samples_per_symbol</key>
<value>samples_per_symbol</value>
</param>
<param>
<key>verbose</key>
<value>False</value>
</param>
</block>
<block>
<key>digital_constellation_receiver_cb</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>constellation</key>
<value>constellation[constellation_type].base()</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(536, 345)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>digital_constellation_receiver_cb_0</value>
</param>
<param>
<key>loop_bw</key>
<value>0.625</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>fmax</key>
<value>100</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>fmin</key>
<value>-100</value>
</param>
<param>
<key>showports</key>
<value>True</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>(520, 44)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>import</value>
</param>
<param>
<key>import</key>
<value>import math</value>
</param>
</block>
<block>
<key>wxgui_constellationsink2</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>const_size</key>
<value>2048</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>frame_rate</key>
<value>5</value>
</param>
<param>
<key>_coordinate</key>
<value>(848, 271)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>gain_mu</key>
<value>0.005</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>id</key>
<value>wxgui_constellationsink2_0</value>
</param>
<param>
<key>loop_bw</key>
<value>6.28/100.0</value>
</param>
<param>
<key>M</key>
<value>4</value>
</param>
<param>
<key>fmax</key>
<value>0.06</value>
</param>
<param>
<key>mu</key>
<value>0.5</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>omega_limit</key>
<value>0.005</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>symbol_rate</key>
<value>samp_rate/4.</value>
</param>
<param>
<key>theta</key>
<value>0</value>
</param>
<param>
<key>title</key>
<value>Constellation Plot</value>
</param>
<param>
<key>win_size</key>
<value></value>
</param>
</block>
<block>
<key>wxgui_scopesink2</key>
<param>
<key>ac_couple</key>
<value>False</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>(912, 167)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>id</key>
<value>wxgui_scopesink2_0</value>
</param>
<param>
<key>notebook</key>
<value></value>
</param>
<param>
<key>num_inputs</key>
<value>3</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>t_scale</key>
<value>0</value>
</param>
<param>
<key>title</key>
<value>Scope Plot</value>
</param>
<param>
<key>trig_mode</key>
<value>wxgui.TRIG_MODE_AUTO</value>
</param>
<param>
<key>type</key>
<value>float</value>
</param>
<param>
<key>v_offset</key>
<value>0</value>
</param>
<param>
<key>v_scale</key>
<value>0</value>
</param>
<param>
<key>win_size</key>
<value></value>
</param>
<param>
<key>xy_mode</key>
<value>False</value>
</param>
<param>
<key>y_axis_label</key>
<value>Counts</value>
</param>
</block>
<connection>
<source_block_id>analog_random_source_x_0</source_block_id>
<sink_block_id>blocks_throttle_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_constellation_modulator_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>digital_constellation_modulator_0</source_block_id>
<sink_block_id>digital_constellation_receiver_cb_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>digital_constellation_modulator_0</source_block_id>
<sink_block_id>wxgui_constellationsink2_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>digital_constellation_receiver_cb_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>1</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>digital_constellation_receiver_cb_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>3</source_key>
<sink_key>2</sink_key>
</connection>
<connection>
<source_block_id>digital_constellation_receiver_cb_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>digital_constellation_receiver_cb_0</source_block_id>
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
<source_key>2</source_key>
<sink_key>1</sink_key>
</connection>
</flow_graph>