From f968b36d4ed2b194111585605f9a1b5367638fb3 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@kit.edu>
Date: Fri, 15 Mar 2013 02:12:20 -0700
Subject: Squash/rebased martin/ofdm-master onto trial merge branch
Conflicts:
gr-blocks/include/blocks/CMakeLists.txt
---
gr-digital/examples/ofdm/ofdm_bugsquatch.py | 22 +
gr-digital/examples/ofdm/rx_ofdm.grc | 1092 +++++++++++++++++++++++++
gr-digital/examples/ofdm/tx_ofdm.grc | 1143 +++++++++++++++++++++++++++
3 files changed, 2257 insertions(+)
create mode 100644 gr-digital/examples/ofdm/ofdm_bugsquatch.py
create mode 100644 gr-digital/examples/ofdm/rx_ofdm.grc
create mode 100644 gr-digital/examples/ofdm/tx_ofdm.grc
(limited to 'gr-digital/examples')
diff --git a/gr-digital/examples/ofdm/ofdm_bugsquatch.py b/gr-digital/examples/ofdm/ofdm_bugsquatch.py
new file mode 100644
index 0000000000..3b900fb46b
--- /dev/null
+++ b/gr-digital/examples/ofdm/ofdm_bugsquatch.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+
+from gnuradio import gr, digital
+from gnuradio.digital.utils import tagged_streams
+import random
+
+if __name__ == '__main__':
+ tb = gr.top_block()
+ fft_len = 64
+ cp_len = 16
+ length_tag_name = "length"
+ src = gr.vector_source_c(
+ [random.randint(0, 1)*2-1 for i in range(10*fft_len)], True, fft_len,
+ tagged_streams.make_lengthtags((10,), (0,), length_tag_name))
+ cyclic_prefixer = digital.ofdm_cyclic_prefixer(
+ fft_len, fft_len+cp_len, 0, length_tag_name)
+ sink = gr.null_sink(gr.sizeof_gr_complex)
+ checker = digital.tagged_stream_check(gr.sizeof_gr_complex*fft_len, length_tag_name)
+ checker2 = digital.tagged_stream_check(gr.sizeof_gr_complex*fft_len, length_tag_name)
+ tb.connect(src, checker, cyclic_prefixer, sink)
+ tb.run()
+
diff --git a/gr-digital/examples/ofdm/rx_ofdm.grc b/gr-digital/examples/ofdm/rx_ofdm.grc
new file mode 100644
index 0000000000..766fd9dc2b
--- /dev/null
+++ b/gr-digital/examples/ofdm/rx_ofdm.grc
@@ -0,0 +1,1092 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Thu Feb 14 15:49:35 2013</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>rx_ofdm</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>OFDM Rx</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value>Example of an OFDM receiver</value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>wx_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>max_nouts</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(0, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_symbols_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((100,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(762, 64)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_carriers</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((0,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(557, 64)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>header_formatter</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(876, 64)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_symbols</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((100,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(659, 64)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>occupied_carriers</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>(range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(404, 64)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>analog_noise_source_x</key>
+ <param>
+ <key>id</key>
+ <value>analog_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>analog.GR_GAUSSIAN</value>
+ </param>
+ <param>
+ <key>amp</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>seed</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 185)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_sync_sc_cfb</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_sync_sc_cfb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>cp_len</key>
+ <value>fft_len/4</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(368, 178)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>analog_frequency_modulator_fc</key>
+ <param>
+ <key>id</key>
+ <value>analog_frequency_modulator_fc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>sensitivity</key>
+ <value>-2.0/fft_len</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(692, 175)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_multiply_xx</key>
+ <param>
+ <key>id</key>
+ <value>blocks_multiply_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>(885, 223)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_delay</key>
+ <param>
+ <key>id</key>
+ <value>gr_delay_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>delay</key>
+ <value>fft_len+fft_len/4</value>
+ </param>
+ <param>
+ <key>num_ports</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(368, 253)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>3200000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(0, 91)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>from gnuradio.digital.utils import tagged_streams</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(163, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sync_word</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>[0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0]</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(165, 46)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>header_mod</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.constellation_bpsk()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(655, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>payload_mod</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.constellation_qpsk()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(813, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>n_sync_symbols</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(168, 108)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(181, 200)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_constellation_decoder_cb</key>
+ <param>
+ <key>id</key>
+ <value>digital_constellation_decoder_cb_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>constellation</key>
+ <value>header_mod.base()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(854, 343)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_frame_equalizer_vcvc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_frame_equalizer_vcvc_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>equalizer</key>
+ <value>digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols).base()</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>propagate_channel_state</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(421, 320)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_packet_headerparser_b</key>
+ <param>
+ <key>id</key>
+ <value>digital_packet_headerparser_b_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>header_formatter</key>
+ <value>header_formatter.formatter()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(651, 466)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>fft_vxx</key>
+ <param>
+ <key>id</key>
+ <value>fft_vxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>forward</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>window</key>
+ <value></value>
+ </param>
+ <param>
+ <key>shift</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>nthreads</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(53, 429)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>64</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(301, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>"frame_len"</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(367, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_constellation_decoder_cb</key>
+ <param>
+ <key>id</key>
+ <value>digital_constellation_decoder_cb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>constellation</key>
+ <value>payload_mod.base()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(718, 635)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_null_sink</key>
+ <param>
+ <key>id</key>
+ <value>gr_null_sink_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(938, 638)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_frame_equalizer_vcvc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_frame_equalizer_vcvc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>equalizer</key>
+ <value>digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, n_sync_symbols).base()</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_key</value>
+ </param>
+ <param>
+ <key>propagate_channel_state</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(265, 612)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>fft_vxx</key>
+ <param>
+ <key>id</key>
+ <value>fft_vxx_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>forward</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>window</key>
+ <value></value>
+ </param>
+ <param>
+ <key>shift</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>nthreads</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(57, 605)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_serializer_vcc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_serializer_vcc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>occupied_carriers</key>
+ <value>occupied_carriers</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>packet_len_tag_key</key>
+ <value>""</value>
+ </param>
+ <param>
+ <key>symbols_skipped</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>input_is_shifted</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(649, 305)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_serializer_vcc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_serializer_vcc_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>occupied_carriers</key>
+ <value>occupied_carriers</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_key</value>
+ </param>
+ <param>
+ <key>packet_len_tag_key</key>
+ <value>""</value>
+ </param>
+ <param>
+ <key>symbols_skipped</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>input_is_shifted</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(496, 597)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_chanest_vcvc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_chanest_vcvc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>sync_symbol1</key>
+ <value>sync_word</value>
+ </param>
+ <param>
+ <key>sync_symbol2</key>
+ <value>()</value>
+ </param>
+ <param>
+ <key>n_data_symbols</key>
+ <value>n_sync_symbols</value>
+ </param>
+ <param>
+ <key>eq_noise_red_len</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>max_carr_offset</key>
+ <value>-1</value>
+ </param>
+ <param>
+ <key>force_one_symbol</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(52, 305)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_header_payload_demux</key>
+ <param>
+ <key>id</key>
+ <value>digital_header_payload_demux_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>header_len</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>items_per_symbol</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>guard_interval</key>
+ <value>fft_len/4</value>
+ </param>
+ <param>
+ <key>length_tag_key</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>trigger_tag_key</key>
+ <value>""</value>
+ </param>
+ <param>
+ <key>output_symbols</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(340, 461)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>fft_vxx_0</source_block_id>
+ <sink_block_id>digital_ofdm_chanest_vcvc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>analog_frequency_modulator_fc_0</source_block_id>
+ <sink_block_id>blocks_multiply_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_sync_sc_cfb_0</source_block_id>
+ <sink_block_id>analog_frequency_modulator_fc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>analog_noise_source_x_0</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>digital_ofdm_sync_sc_cfb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>gr_delay_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_delay_0</source_block_id>
+ <sink_block_id>blocks_multiply_xx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_constellation_decoder_cb_0_0</source_block_id>
+ <sink_block_id>digital_packet_headerparser_b_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_serializer_vcc_0</source_block_id>
+ <sink_block_id>digital_constellation_decoder_cb_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_sync_sc_cfb_0</source_block_id>
+ <sink_block_id>digital_header_payload_demux_0</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_chanest_vcvc_0</source_block_id>
+ <sink_block_id>digital_ofdm_frame_equalizer_vcvc_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_frame_equalizer_vcvc_0_0</source_block_id>
+ <sink_block_id>digital_ofdm_serializer_vcc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_packet_headerparser_b_0</source_block_id>
+ <sink_block_id>digital_header_payload_demux_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>2</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_header_payload_demux_0</source_block_id>
+ <sink_block_id>fft_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_header_payload_demux_0</source_block_id>
+ <sink_block_id>fft_vxx_0_0</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_multiply_xx_0</source_block_id>
+ <sink_block_id>digital_header_payload_demux_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_constellation_decoder_cb_0</source_block_id>
+ <sink_block_id>gr_null_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_frame_equalizer_vcvc_0</source_block_id>
+ <sink_block_id>digital_ofdm_serializer_vcc_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_serializer_vcc_1</source_block_id>
+ <sink_block_id>digital_constellation_decoder_cb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>fft_vxx_0_0</source_block_id>
+ <sink_block_id>digital_ofdm_frame_equalizer_vcvc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
diff --git a/gr-digital/examples/ofdm/tx_ofdm.grc b/gr-digital/examples/ofdm/tx_ofdm.grc
new file mode 100644
index 0000000000..bcd1e033ad
--- /dev/null
+++ b/gr-digital/examples/ofdm/tx_ofdm.grc
@@ -0,0 +1,1143 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Tue Feb 5 14:47:32 2013</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>tx_ofdm</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>OFDM Tx</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value></value>
+ </param>
+ <param>
+ <key>description</key>
+ <value>Example of an OFDM Transmitter</value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>no_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>run</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>max_nouts</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(0, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>from gnuradio.digital.utils import tagged_streams</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(164, 45)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>"packet_len"</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(399, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_symbols_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((100,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(735, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>occupied_carriers</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>(range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(377, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_symbols</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((100,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(632, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>pilot_carriers</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>((0,),)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(530, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>64</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(311, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>header_mod</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.constellation_bpsk()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(620, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>payload_mod</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.constellation_qpsk()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(783, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_throttle</key>
+ <param>
+ <key>id</key>
+ <value>gr_throttle_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>samples_per_second</key>
+ <value>bit_rate/8</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(234, 167)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>import numpy</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(164, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>import</key>
+ <param>
+ <key>id</key>
+ <value>import_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>import</key>
+ <value>import random</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 90)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>sync_word</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>[0, 0, 0, 0, 0, 0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, -1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, 1.0, 0, -1.0, 0, 1.0, 0, -1.0, 0, 0, 0, 0, 0, 0]</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(95, 90)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(234, 91)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>header_formatter</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>digital.packet_header_ofdm(occupied_carriers, 1, length_tag_name)</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(849, 63)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_vector_source_x</key>
+ <param>
+ <key>id</key>
+ <value>gr_vector_source_x_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>vector</key>
+ <value>range(packet_len)</value>
+ </param>
+ <param>
+ <key>tags</key>
+ <value>tagged_streams.make_lengthtags((packet_len,), (0,), length_tag_name)</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 152)</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>96</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(528, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_packet_headergenerator_bb</key>
+ <param>
+ <key>id</key>
+ <value>digital_packet_headergenerator_bb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>header_formatter</key>
+ <value>header_formatter.formatter()</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(761, 167)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>bit_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>3200000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(311, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_repack_bits_bb</key>
+ <param>
+ <key>id</key>
+ <value>blocks_repack_bits_bb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>k</key>
+ <value>8</value>
+ </param>
+ <param>
+ <key>l</key>
+ <value>payload_mod.bits_per_symbol()</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>align_output</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(516, 228)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_chunks_to_symbols_xx</key>
+ <param>
+ <key>id</key>
+ <value>digital_chunks_to_symbols_xx_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>in_type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>out_type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>symbol_table</key>
+ <value>payload_mod.points()</value>
+ </param>
+ <param>
+ <key>dimension</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_ports</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(279, 243)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_chunks_to_symbols_xx</key>
+ <param>
+ <key>id</key>
+ <value>digital_chunks_to_symbols_xx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>in_type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>out_type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>symbol_table</key>
+ <value>header_mod.points()</value>
+ </param>
+ <param>
+ <key>dimension</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>num_ports</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(319, 305)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_tagged_stream_mux</key>
+ <param>
+ <key>id</key>
+ <value>digital_tagged_stream_mux_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>ninputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>lengthtagname</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(44, 254)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_carrier_allocator_cvc</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_carrier_allocator_cvc_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>fft_len</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>occupied_carriers</key>
+ <value>occupied_carriers</value>
+ </param>
+ <param>
+ <key>pilot_carriers</key>
+ <value>pilot_carriers</value>
+ </param>
+ <param>
+ <key>pilot_symbols</key>
+ <value>pilot_symbols</value>
+ </param>
+ <param>
+ <key>len_tag_key</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(56, 453)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_vector_source_x</key>
+ <param>
+ <key>id</key>
+ <value>sync_word_source</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>vector</key>
+ <value>numpy.array(sync_word) * numpy.sqrt(2)</value>
+ </param>
+ <param>
+ <key>tags</key>
+ <value>tagged_streams.make_lengthtags((len(sync_word)/fft_len,), (0,), length_tag_name)</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(56, 356)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_tagged_stream_mux</key>
+ <param>
+ <key>id</key>
+ <value>digital_tagged_stream_mux_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>ninputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>lengthtagname</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(374, 382)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>fft_vxx</key>
+ <param>
+ <key>id</key>
+ <value>fft_vxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>forward</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>window</key>
+ <value></value>
+ </param>
+ <param>
+ <key>shift</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>nthreads</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(765, 498)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_ofdm_cyclic_prefixer</key>
+ <param>
+ <key>id</key>
+ <value>digital_ofdm_cyclic_prefixer_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>input_size</key>
+ <value>fft_len</value>
+ </param>
+ <param>
+ <key>output_size</key>
+ <value>fft_len+fft_len/4</value>
+ </param>
+ <param>
+ <key>rolloff</key>
+ <value>rolloff</value>
+ </param>
+ <param>
+ <key>tagname</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(488, 505)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>wxgui_fftsink2</key>
+ <param>
+ <key>id</key>
+ <value>wxgui_fftsink2_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>FFT Plot</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>baseband_freq</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>y_per_div</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>y_divs</key>
+ <value>10</value>
+ </param>
+ <param>
+ <key>ref_level</key>
+ <value>50</value>
+ </param>
+ <param>
+ <key>ref_scale</key>
+ <value>2.0</value>
+ </param>
+ <param>
+ <key>fft_size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>fft_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</value>
+ </param>
+ <param>
+ <key>win</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value></value>
+ </param>
+ <param>
+ <key>freqvar</key>
+ <value>None</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(291, 460)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_null_sink</key>
+ <param>
+ <key>id</key>
+ <value>gr_null_sink_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>_coordinate</key>
+ <value>(438, 633)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>digital_crc32_bb</key>
+ <param>
+ <key>id</key>
+ <value>digital_crc32_bb_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>check</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>lengthtagname</key>
+ <value>length_tag_name</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(472, 159)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>gr_tag_debug</key>
+ <param>
+ <key>id</key>
+ <value>gr_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>tdb</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>display</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(819, 232)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>gr_vector_source_x_1</source_block_id>
+ <sink_block_id>gr_throttle_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>digital_crc32_bb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_crc32_bb_0</source_block_id>
+ <sink_block_id>digital_packet_headergenerator_bb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_tagged_stream_mux_0</source_block_id>
+ <sink_block_id>digital_ofdm_carrier_allocator_cvc_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_carrier_allocator_cvc_0</source_block_id>
+ <sink_block_id>digital_tagged_stream_mux_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>sync_word_source</source_block_id>
+ <sink_block_id>digital_tagged_stream_mux_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_packet_headergenerator_bb_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>blocks_repack_bits_bb_0</source_block_id>
+ <sink_block_id>digital_chunks_to_symbols_xx_0_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>digital_tagged_stream_mux_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>digital_tagged_stream_mux_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_crc32_bb_0</source_block_id>
+ <sink_block_id>blocks_repack_bits_bb_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_tagged_stream_mux_1</source_block_id>
+ <sink_block_id>fft_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_cyclic_prefixer_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>fft_vxx_0</source_block_id>
+ <sink_block_id>digital_ofdm_cyclic_prefixer_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_cyclic_prefixer_0</source_block_id>
+ <sink_block_id>gr_null_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_crc32_bb_0</source_block_id>
+ <sink_block_id>gr_tag_debug_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>
--
cgit v1.2.3
From 27990ca9e236931e39a830e48f0a1efe13ec085f Mon Sep 17 00:00:00 2001
From: Johnathan Corgan <johnathan@corganlabs.com>
Date: Fri, 15 Mar 2013 04:28:19 -0700
Subject: digital: fixed tagged_stream_mux xml and example GRC app
---
gr-blocks/grc/blocks_tagged_stream_mux.xml | 65 ++++++++++++++++++++++++++++
gr-digital/examples/ofdm/tx_ofdm.grc | 20 ++++-----
gr-digital/grc/digital_tagged_stream_mux.xml | 65 ----------------------------
3 files changed, 75 insertions(+), 75 deletions(-)
create mode 100644 gr-blocks/grc/blocks_tagged_stream_mux.xml
delete mode 100644 gr-digital/grc/digital_tagged_stream_mux.xml
(limited to 'gr-digital/examples')
diff --git a/gr-blocks/grc/blocks_tagged_stream_mux.xml b/gr-blocks/grc/blocks_tagged_stream_mux.xml
new file mode 100644
index 0000000000..40d98a3346
--- /dev/null
+++ b/gr-blocks/grc/blocks_tagged_stream_mux.xml
@@ -0,0 +1,65 @@
+<block>
+ <name>Tagged Stream Mux</name>
+ <key>blocks_tagged_stream_mux</key>
+ <category>Stream Operations</category>
+ <import>from gnuradio import blocks</import>
+ <make>blocks.tagged_stream_mux($type.size*$vlen, $lengthtagname)</make>
+ <param>
+ <name>IO Type</name>
+ <key>type</key>
+ <type>enum</type>
+ <option>
+ <name>Complex</name>
+ <key>complex</key>
+ <opt>size:gr.sizeof_gr_complex</opt>
+ </option>
+ <option>
+ <name>Float</name>
+ <key>float</key>
+ <opt>size:gr.sizeof_float</opt>
+ </option>
+ <option>
+ <name>Int</name>
+ <key>int</key>
+ <opt>size:gr.sizeof_int</opt>
+ </option>
+ <option>
+ <name>Short</name>
+ <key>short</key>
+ <opt>size:gr.sizeof_short</opt>
+ </option>
+ <option>
+ <name>Byte</name>
+ <key>byte</key>
+ <opt>size:gr.sizeof_char</opt>
+ </option>
+ </param>
+ <param>
+ <name>Number of inputs</name>
+ <key>ninputs</key>
+ <type>int</type>
+ </param>
+ <param>
+ <name>Length tag names</name>
+ <key>lengthtagname</key>
+ <type>string</type>
+ </param>
+ <param>
+ <name>Vector Length</name>
+ <key>vlen</key>
+ <value>1</value>
+ <type>int</type>
+ </param>
+ <sink>
+ <name>in</name>
+ <type>$type</type>
+ <vlen>$vlen</vlen>
+ <nports>$ninputs</nports>
+ </sink>
+ <source>
+ <name>out</name>
+ <type>$type</type>
+ <vlen>$vlen</vlen>
+ </source>
+</block>
+
diff --git a/gr-digital/examples/ofdm/tx_ofdm.grc b/gr-digital/examples/ofdm/tx_ofdm.grc
index bcd1e033ad..62472ebbce 100644
--- a/gr-digital/examples/ofdm/tx_ofdm.grc
+++ b/gr-digital/examples/ofdm/tx_ofdm.grc
@@ -635,10 +635,10 @@
</param>
</block>
<block>
- <key>digital_tagged_stream_mux</key>
+ <key>blocks_tagged_stream_mux</key>
<param>
<key>id</key>
- <value>digital_tagged_stream_mux_0</value>
+ <value>blocks_tagged_stream_mux_0</value>
</param>
<param>
<key>_enabled</key>
@@ -748,10 +748,10 @@
</param>
</block>
<block>
- <key>digital_tagged_stream_mux</key>
+ <key>blocks_tagged_stream_mux</key>
<param>
<key>id</key>
- <value>digital_tagged_stream_mux_1</value>
+ <value>blocks_tagged_stream_mux_1</value>
</param>
<param>
<key>_enabled</key>
@@ -1063,20 +1063,20 @@
<sink_key>0</sink_key>
</connection>
<connection>
- <source_block_id>digital_tagged_stream_mux_0</source_block_id>
+ <source_block_id>blocks_tagged_stream_mux_0</source_block_id>
<sink_block_id>digital_ofdm_carrier_allocator_cvc_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>digital_ofdm_carrier_allocator_cvc_0</source_block_id>
- <sink_block_id>digital_tagged_stream_mux_1</sink_block_id>
+ <sink_block_id>blocks_tagged_stream_mux_1</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>sync_word_source</source_block_id>
- <sink_block_id>digital_tagged_stream_mux_1</sink_block_id>
+ <sink_block_id>blocks_tagged_stream_mux_1</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
@@ -1094,13 +1094,13 @@
</connection>
<connection>
<source_block_id>digital_chunks_to_symbols_xx_0</source_block_id>
- <sink_block_id>digital_tagged_stream_mux_0</sink_block_id>
+ <sink_block_id>blocks_tagged_stream_mux_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>digital_tagged_stream_mux_0</sink_block_id>
+ <sink_block_id>blocks_tagged_stream_mux_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
@@ -1111,7 +1111,7 @@
<sink_key>0</sink_key>
</connection>
<connection>
- <source_block_id>digital_tagged_stream_mux_1</source_block_id>
+ <source_block_id>blocks_tagged_stream_mux_1</source_block_id>
<sink_block_id>fft_vxx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
diff --git a/gr-digital/grc/digital_tagged_stream_mux.xml b/gr-digital/grc/digital_tagged_stream_mux.xml
deleted file mode 100644
index 38f9499315..0000000000
--- a/gr-digital/grc/digital_tagged_stream_mux.xml
+++ /dev/null
@@ -1,65 +0,0 @@
-<block>
- <name>Tagged Stream Mux</name>
- <key>digital_tagged_stream_mux</key>
- <category>Digital</category>
- <import>from gnuradio import digital</import>
- <make>digital.tagged_stream_mux($type.size*$vlen, $ninputs, $lengthtagname)</make>
- <param>
- <name>IO Type</name>
- <key>type</key>
- <type>enum</type>
- <option>
- <name>Complex</name>
- <key>complex</key>
- <opt>size:gr.sizeof_gr_complex</opt>
- </option>
- <option>
- <name>Float</name>
- <key>float</key>
- <opt>size:gr.sizeof_float</opt>
- </option>
- <option>
- <name>Int</name>
- <key>int</key>
- <opt>size:gr.sizeof_int</opt>
- </option>
- <option>
- <name>Short</name>
- <key>short</key>
- <opt>size:gr.sizeof_short</opt>
- </option>
- <option>
- <name>Byte</name>
- <key>byte</key>
- <opt>size:gr.sizeof_char</opt>
- </option>
- </param>
- <param>
- <name>Number of inputs</name>
- <key>ninputs</key>
- <type>int</type>
- </param>
- <param>
- <name>Length tag names</name>
- <key>lengthtagname</key>
- <type>string</type>
- </param>
- <param>
- <name>Vector Length</name>
- <key>vlen</key>
- <value>1</value>
- <type>int</type>
- </param>
- <sink>
- <name>in</name>
- <type>$type</type>
- <vlen>$vlen</vlen>
- <nports>$ninputs</nports>
- </sink>
- <source>
- <name>out</name>
- <type>$type</type>
- <vlen>$vlen</vlen>
- </source>
-</block>
-
--
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