diff options
Diffstat (limited to 'gr-digital/examples/ofdm/ofdm_loopback.grc')
| -rw-r--r-- | gr-digital/examples/ofdm/ofdm_loopback.grc | 630 |
1 files changed, 357 insertions, 273 deletions
diff --git a/gr-digital/examples/ofdm/ofdm_loopback.grc b/gr-digital/examples/ofdm/ofdm_loopback.grc index a6b3b147f1..ad8e4a3ef7 100644 --- a/gr-digital/examples/ofdm/ofdm_loopback.grc +++ b/gr-digital/examples/ofdm/ofdm_loopback.grc @@ -1,6 +1,6 @@ <?xml version='1.0' encoding='ASCII'?> <flow_graph> - <timestamp>Tue Jun 11 22:44:34 2013</timestamp> + <timestamp>Tue Aug 27 15:09:37 2013</timestamp> <block> <key>options</key> <param> @@ -64,7 +64,7 @@ <key>variable</key> <param> <key>id</key> - <value>len_tag_key</value> + <value>tx_signal</value> </param> <param> <key>_enabled</key> @@ -72,11 +72,34 @@ </param> <param> <key>value</key> - <value>"packet_len"</value> + <value>[numpy.sin(2 * numpy.pi * 1.0/8 * x) for x in range(packet_len)]</value> </param> <param> <key>_coordinate</key> - <value>(345, 0)</value> + <value>(176, -1)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> + <key>variable</key> + <param> + <key>id</key> + <value>packet_len</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>8*2</value> + </param> + <param> + <key>_coordinate</key> + <value>(258, 64)</value> </param> <param> <key>_rotation</key> @@ -107,6 +130,29 @@ </param> </block> <block> + <key>variable</key> + <param> + <key>id</key> + <value>len_tag_key</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>value</key> + <value>"packet_len"</value> + </param> + <param> + <key>_coordinate</key> + <value>(345, 0)</value> + </param> + <param> + <key>_rotation</key> + <value>0</value> + </param> + </block> + <block> <key>import</key> <param> <key>id</key> @@ -153,10 +199,10 @@ </param> </block> <block> - <key>wxgui_fftsink2</key> + <key>blocks_vector_to_stream</key> <param> <key>id</key> - <value>wxgui_fftsink2_0</value> + <value>blocks_vector_to_stream_0</value> </param> <param> <key>_enabled</key> @@ -164,59 +210,121 @@ </param> <param> <key>type</key> - <value>complex</value> + <value>byte</value> </param> <param> - <key>title</key> - <value>Rx Spectrum</value> + <key>num_items</key> + <value>4</value> </param> <param> - <key>samp_rate</key> - <value>100e3</value> + <key>vlen</key> + <value>1</value> </param> <param> - <key>baseband_freq</key> + <key>affinity</key> + <value></value> + </param> + <param> + <key>minoutbuf</key> <value>0</value> </param> <param> - <key>y_per_div</key> - <value>10</value> + <key>_coordinate</key> + <value>(261, 140)</value> </param> <param> - <key>y_divs</key> - <value>10</value> + <key>_rotation</key> + <value>0</value> </param> + </block> + <block> + <key>blocks_tag_debug</key> <param> - <key>ref_level</key> + <key>id</key> + <value>blocks_tag_debug_0</value> + </param> + <param> + <key>_enabled</key> + <value>True</value> + </param> + <param> + <key>type</key> + <value>byte</value> + </param> + <param> + <key>name</key> + <value>Rx Packets</value> + </param> + <param> + <key>num_inputs</key> + <value>1</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>display</key> + <value>True</value> + </param> + <param> + <key>affinity</key> + <value></value> + </param> + <param> + <key>_coordinate</key> + <value>(345, 424)</value> + </param> + <param> + <key>_rotation</key> <value>0</value> </param> + </block> + <block> + <key>wxgui_scopesink2</key> <param> - <key>ref_scale</key> - <value>2.0</value> + <key>id</key> + <value>wxgui_scopesink2_0</value> </param> <param> - <key>fft_size</key> - <value>1024</value> + <key>_enabled</key> + <value>True</value> </param> <param> - <key>fft_rate</key> - <value>15</value> + <key>type</key> + <value>float</value> </param> <param> - <key>peak_hold</key> - <value>False</value> + <key>title</key> + <value>Scope Plot</value> </param> <param> - <key>average</key> - <value>False</value> + <key>samp_rate</key> + <value>1.0</value> </param> <param> - <key>avg_alpha</key> + <key>v_scale</key> <value>0</value> </param> <param> - <key>win</key> - <value>None</value> + <key>v_offset</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>False</value> + </param> + <param> + <key>num_inputs</key> + <value>1</value> </param> <param> <key>win_size</key> @@ -231,12 +339,20 @@ <value></value> </param> <param> - <key>freqvar</key> - <value>None</value> + <key>trig_mode</key> + <value>wxgui.TRIG_MODE_AUTO</value> + </param> + <param> + <key>y_axis_label</key> + <value>Counts</value> + </param> + <param> + <key>affinity</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(59, 384)</value> + <value>(550, 323)</value> </param> <param> <key>_rotation</key> @@ -244,54 +360,38 @@ </param> </block> <block> - <key>variable_slider</key> + <key>blocks_stream_to_vector</key> <param> <key>id</key> - <value>noise_voltage</value> + <value>blocks_stream_to_vector_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>label</key> - <value>Noise Amplitude</value> - </param> - <param> - <key>value</key> - <value>0.01</value> + <key>type</key> + <value>byte</value> </param> <param> - <key>min</key> - <value>0</value> + <key>num_items</key> + <value>4</value> </param> <param> - <key>max</key> + <key>vlen</key> <value>1</value> </param> <param> - <key>num_steps</key> - <value>100</value> - </param> - <param> - <key>style</key> - <value>wx.SL_HORIZONTAL</value> - </param> - <param> - <key>converver</key> - <value>float_converter</value> - </param> - <param> - <key>grid_pos</key> + <key>affinity</key> <value></value> </param> <param> - <key>notebook</key> - <value></value> + <key>minoutbuf</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(695, 439)</value> + <value>(348, 347)</value> </param> <param> <key>_rotation</key> @@ -302,7 +402,7 @@ <key>variable_slider</key> <param> <key>id</key> - <value>freq_offset</value> + <value>noise_voltage</value> </param> <param> <key>_enabled</key> @@ -310,19 +410,19 @@ </param> <param> <key>label</key> - <value>Frequency Offset (Multiples of Sub-carrier spacing)</value> + <value>Noise Amplitude</value> </param> <param> <key>value</key> - <value>0</value> + <value>0.01</value> </param> <param> <key>min</key> - <value>-3</value> + <value>0</value> </param> <param> <key>max</key> - <value>3</value> + <value>1</value> </param> <param> <key>num_steps</key> @@ -346,7 +446,7 @@ </param> <param> <key>_coordinate</key> - <value>(696, 264)</value> + <value>(707, 496)</value> </param> <param> <key>_rotation</key> @@ -354,10 +454,10 @@ </param> </block> <block> - <key>blocks_throttle</key> + <key>wxgui_fftsink2</key> <param> <key>id</key> - <value>blocks_throttle_0</value> + <value>wxgui_fftsink2_0</value> </param> <param> <key>_enabled</key> @@ -368,79 +468,80 @@ <value>complex</value> </param> <param> - <key>samples_per_second</key> + <key>title</key> + <value>Rx Spectrum</value> + </param> + <param> + <key>samp_rate</key> <value>100e3</value> </param> <param> - <key>vlen</key> - <value>1</value> + <key>baseband_freq</key> + <value>0</value> </param> <param> - <key>_coordinate</key> - <value>(252, 212)</value> + <key>y_per_div</key> + <value>10</value> </param> <param> - <key>_rotation</key> - <value>180</value> + <key>y_divs</key> + <value>10</value> </param> - </block> - <block> - <key>digital_ofdm_rx</key> <param> - <key>id</key> - <value>digital_ofdm_rx_0</value> + <key>ref_level</key> + <value>0</value> </param> <param> - <key>_enabled</key> - <value>True</value> + <key>ref_scale</key> + <value>2.0</value> </param> <param> - <key>fft_len</key> - <value>fft_len</value> + <key>fft_size</key> + <value>1024</value> </param> <param> - <key>cp_len</key> - <value>fft_len/4</value> + <key>fft_rate</key> + <value>15</value> </param> <param> - <key>packet_len_key</key> - <value>"rx_len"</value> + <key>peak_hold</key> + <value>False</value> </param> <param> - <key>occupied_carriers</key> - <value>()</value> + <key>average</key> + <value>False</value> </param> <param> - <key>pilot_carriers</key> - <value>()</value> + <key>avg_alpha</key> + <value>0</value> </param> <param> - <key>pilot_symbols</key> - <value>()</value> + <key>win</key> + <value>None</value> </param> <param> - <key>sync_word1</key> - <value>()</value> + <key>win_size</key> + <value></value> </param> <param> - <key>sync_word2</key> - <value>()</value> + <key>grid_pos</key> + <value></value> </param> <param> - <key>header_mod</key> - <value>"BPSK"</value> + <key>notebook</key> + <value></value> </param> <param> - <key>payload_mod</key> - <value>"QPSK"</value> + <key>freqvar</key> + <value>None</value> </param> <param> - <key>log</key> - <value>False</value> + <key>affinity</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(59, 258)</value> + <value>(71, 441)</value> </param> <param> <key>_rotation</key> @@ -448,22 +549,54 @@ </param> </block> <block> - <key>variable</key> + <key>variable_slider</key> <param> <key>id</key> - <value>packet_len</value> + <value>freq_offset</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> + <key>label</key> + <value>Frequency Offset (Multiples of Sub-carrier spacing)</value> + </param> + <param> <key>value</key> - <value>8*2</value> + <value>0</value> + </param> + <param> + <key>min</key> + <value>-3</value> + </param> + <param> + <key>max</key> + <value>3</value> + </param> + <param> + <key>num_steps</key> + <value>100</value> + </param> + <param> + <key>style</key> + <value>wx.SL_HORIZONTAL</value> + </param> + <param> + <key>converver</key> + <value>float_converter</value> + </param> + <param> + <key>grid_pos</key> + <value></value> + </param> + <param> + <key>notebook</key> + <value></value> </param> <param> <key>_coordinate</key> - <value>(258, 64)</value> + <value>(708, 321)</value> </param> <param> <key>_rotation</key> @@ -471,33 +604,49 @@ </param> </block> <block> - <key>variable</key> + <key>blocks_tag_gate</key> <param> <key>id</key> - <value>tx_signal</value> + <value>blocks_tag_gate_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>value</key> - <value>[numpy.sin(2 * numpy.pi * 1.0/8 * x) for x in range(packet_len)]</value> + <key>type</key> + <value>complex</value> + </param> + <param> + <key>vlen</key> + <value>1</value> + </param> + <param> + <key>propagate_tags</key> + <value>False</value> + </param> + <param> + <key>affinity</key> + <value></value> + </param> + <param> + <key>minoutbuf</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(176, -1)</value> + <value>(523, 243)</value> </param> <param> <key>_rotation</key> - <value>0</value> + <value>180</value> </param> </block> <block> - <key>blocks_vector_to_stream</key> + <key>blocks_throttle</key> <param> <key>id</key> - <value>blocks_vector_to_stream_0</value> + <value>blocks_throttle_0</value> </param> <param> <key>_enabled</key> @@ -505,23 +654,31 @@ </param> <param> <key>type</key> - <value>byte</value> + <value>complex</value> </param> <param> - <key>num_items</key> - <value>4</value> + <key>samples_per_second</key> + <value>100e3</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> + <key>affinity</key> + <value></value> + </param> + <param> + <key>minoutbuf</key> + <value>0</value> + </param> + <param> <key>_coordinate</key> - <value>(261, 140)</value> + <value>(267, 243)</value> </param> <param> <key>_rotation</key> - <value>0</value> + <value>180</value> </param> </block> <block> @@ -555,39 +712,16 @@ <value>1</value> </param> <param> - <key>_coordinate</key> - <value>(-1, 101)</value> + <key>affinity</key> + <value></value> </param> <param> - <key>_rotation</key> + <key>minoutbuf</key> <value>0</value> </param> - </block> - <block> - <key>blocks_stream_to_vector</key> - <param> - <key>id</key> - <value>blocks_stream_to_vector_0</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>byte</value> - </param> - <param> - <key>num_items</key> - <value>4</value> - </param> - <param> - <key>vlen</key> - <value>1</value> - </param> <param> <key>_coordinate</key> - <value>(336, 290)</value> + <value>(3, 124)</value> </param> <param> <key>_rotation</key> @@ -595,74 +729,46 @@ </param> </block> <block> - <key>wxgui_scopesink2</key> + <key>channels_channel_model</key> <param> <key>id</key> - <value>wxgui_scopesink2_0</value> + <value>channels_channel_model_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>type</key> - <value>float</value> + <key>noise_voltage</key> + <value>noise_voltage</value> </param> <param> - <key>title</key> - <value>Scope Plot</value> + <key>freq_offset</key> + <value>freq_offset * 1.0/fft_len</value> </param> <param> - <key>samp_rate</key> + <key>epsilon</key> <value>1.0</value> </param> <param> - <key>v_scale</key> - <value>0</value> - </param> - <param> - <key>v_offset</key> - <value>0</value> + <key>taps</key> + <value>1.0 + 1.0j</value> </param> <param> - <key>t_scale</key> + <key>seed</key> <value>0</value> </param> <param> - <key>ac_couple</key> - <value>False</value> - </param> - <param> - <key>xy_mode</key> - <value>False</value> - </param> - <param> - <key>num_inputs</key> - <value>1</value> - </param> - <param> - <key>win_size</key> + <key>affinity</key> <value></value> </param> <param> - <key>grid_pos</key> - <value></value> - </param> - <param> - <key>notebook</key> - <value></value> - </param> - <param> - <key>trig_mode</key> - <value>wxgui.TRIG_MODE_AUTO</value> - </param> - <param> - <key>y_axis_label</key> - <value>Counts</value> + <key>minoutbuf</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(538, 266)</value> + <value>(764, 93)</value> </param> <param> <key>_rotation</key> @@ -670,10 +776,10 @@ </param> </block> <block> - <key>digital_ofdm_tx</key> + <key>digital_ofdm_rx</key> <param> <key>id</key> - <value>digital_ofdm_tx_0</value> + <value>digital_ofdm_rx_0</value> </param> <param> <key>_enabled</key> @@ -689,7 +795,7 @@ </param> <param> <key>packet_len_key</key> - <value>len_tag_key</value> + <value>"rx_len"</value> </param> <param> <key>occupied_carriers</key> @@ -720,16 +826,24 @@ <value>"QPSK"</value> </param> <param> - <key>rolloff</key> - <value>0</value> + <key>scramble_bits</key> + <value>False</value> </param> <param> <key>log</key> <value>False</value> </param> <param> + <key>affinity</key> + <value></value> + </param> + <param> + <key>minoutbuf</key> + <value>0</value> + </param> + <param> <key>_coordinate</key> - <value>(464, 77)</value> + <value>(71, 315)</value> </param> <param> <key>_rotation</key> @@ -737,108 +851,78 @@ </param> </block> <block> - <key>channels_channel_model</key> + <key>digital_ofdm_tx</key> <param> <key>id</key> - <value>channels_channel_model_0</value> + <value>digital_ofdm_tx_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> - <key>noise_voltage</key> - <value>noise_voltage</value> + <key>fft_len</key> + <value>fft_len</value> </param> <param> - <key>freq_offset</key> - <value>freq_offset * 1.0/fft_len</value> + <key>cp_len</key> + <value>fft_len/4</value> </param> <param> - <key>epsilon</key> - <value>1.0</value> + <key>packet_len_key</key> + <value>len_tag_key</value> </param> <param> - <key>taps</key> - <value>1.0 + 1.0j</value> + <key>occupied_carriers</key> + <value>()</value> </param> <param> - <key>seed</key> - <value>0</value> + <key>pilot_carriers</key> + <value>()</value> </param> <param> - <key>_coordinate</key> - <value>(747, 85)</value> + <key>pilot_symbols</key> + <value>()</value> </param> <param> - <key>_rotation</key> - <value>0</value> + <key>sync_word1</key> + <value>()</value> </param> - </block> - <block> - <key>blocks_tag_gate</key> <param> - <key>id</key> - <value>blocks_tag_gate_0</value> + <key>sync_word2</key> + <value>()</value> </param> <param> - <key>_enabled</key> - <value>True</value> + <key>header_mod</key> + <value>"BPSK"</value> </param> <param> - <key>type</key> - <value>complex</value> + <key>payload_mod</key> + <value>"QPSK"</value> </param> <param> - <key>vlen</key> - <value>1</value> + <key>rolloff</key> + <value>0</value> </param> <param> - <key>propagate_tags</key> + <key>scramble_bits</key> <value>False</value> </param> <param> - <key>_coordinate</key> - <value>(508, 212)</value> - </param> - <param> - <key>_rotation</key> - <value>180</value> - </param> - </block> - <block> - <key>blocks_tag_debug</key> - <param> - <key>id</key> - <value>blocks_tag_debug_0</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>byte</value> - </param> - <param> - <key>name</key> - <value>Rx Packets</value> - </param> - <param> - <key>num_inputs</key> - <value>1</value> + <key>log</key> + <value>False</value> </param> <param> - <key>vlen</key> - <value>1</value> + <key>affinity</key> + <value></value> </param> <param> - <key>display</key> - <value>True</value> + <key>minoutbuf</key> + <value>0</value> </param> <param> <key>_coordinate</key> - <value>(333, 367)</value> + <value>(488, 77)</value> </param> <param> <key>_rotation</key> @@ -858,20 +942,20 @@ <sink_key>0</sink_key> </connection> <connection> - <source_block_id>blocks_throttle_0</source_block_id> - <sink_block_id>digital_ofdm_rx_0</sink_block_id> + <source_block_id>digital_ofdm_tx_0</source_block_id> + <sink_block_id>channels_channel_model_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>wxgui_fftsink2_0</sink_block_id> + <source_block_id>channels_channel_model_0</source_block_id> + <sink_block_id>blocks_tag_gate_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>digital_ofdm_rx_0</source_block_id> - <sink_block_id>blocks_stream_to_vector_0</sink_block_id> + <source_block_id>blocks_stream_to_vector_0</source_block_id> + <sink_block_id>wxgui_scopesink2_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> @@ -882,26 +966,26 @@ <sink_key>0</sink_key> </connection> <connection> - <source_block_id>blocks_tag_gate_0</source_block_id> - <sink_block_id>blocks_throttle_0</sink_block_id> + <source_block_id>digital_ofdm_rx_0</source_block_id> + <sink_block_id>blocks_stream_to_vector_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>blocks_stream_to_vector_0</source_block_id> - <sink_block_id>wxgui_scopesink2_0</sink_block_id> + <source_block_id>blocks_throttle_0</source_block_id> + <sink_block_id>wxgui_fftsink2_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>digital_ofdm_tx_0</source_block_id> - <sink_block_id>channels_channel_model_0</sink_block_id> + <source_block_id>blocks_throttle_0</source_block_id> + <sink_block_id>digital_ofdm_rx_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> - <source_block_id>channels_channel_model_0</source_block_id> - <sink_block_id>blocks_tag_gate_0</sink_block_id> + <source_block_id>blocks_tag_gate_0</source_block_id> + <sink_block_id>blocks_throttle_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> |