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<title>[153037] trunk/dports/science/gr-mac</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="https://trac.macports.org/changeset/153037">153037</a></dd>
<dt>Author</dt> <dd>michaelld@macports.org</dd>
<dt>Date</dt> <dd>2016-09-22 08:11:43 -0700 (Thu, 22 Sep 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>gr-mac:
+ "${prefix}/Library/Frameworks" -> "${frameworks_dir}";
+ move examples from "exaples/mac" -> "examples/gnuradio/mac";
+ add patch to fix example radio GRC files to work out of the box;
+ rev-bump for changes.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkdportssciencegrmacPortfile">trunk/dports/science/gr-mac/Portfile</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li>trunk/dports/science/gr-mac/files/</li>
<li><a href="#trunkdportssciencegrmacfilespatchexamples_radiosdiff">trunk/dports/science/gr-mac/files/patch-examples_radios.diff</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkdportssciencegrmacPortfile"></a>
<div class="modfile"><h4>Modified: trunk/dports/science/gr-mac/Portfile (153036 => 153037)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/dports/science/gr-mac/Portfile 2016-09-22 14:55:40 UTC (rev 153036)
+++ trunk/dports/science/gr-mac/Portfile 2016-09-22 15:11:43 UTC (rev 153037)
</span><span class="lines">@@ -7,6 +7,7 @@
</span><span class="cx">
</span><span class="cx"> github.setup jmalsbury gr-mac 3ed6f0893341f48fc7fb000ca1cf679524b033a4
</span><span class="cx"> version 20140919
</span><ins>+revision 1
</ins><span class="cx"> checksums rmd160 9aab2a5b9e0a54019cc08980fe482fc126602970 \
</span><span class="cx"> sha256 5eacd2f208034dcc8d34cfdc5dbc2715aeb2c7d35855983221f371e21215e9a3
</span><span class="cx">
</span><span class="lines">@@ -34,6 +35,10 @@
</span><span class="cx"> depends_build-append port:pkgconfig
</span><span class="cx"> depends_lib-append port:boost
</span><span class="cx">
</span><ins>+# patch to fix radio GRC hier blocks
+
+patchfiles-append patch-examples_radios.diff
+
</ins><span class="cx"> # do VPATH (out of source tree) build
</span><span class="cx">
</span><span class="cx"> cmake.out_of_source yes
</span><span class="lines">@@ -51,8 +56,8 @@
</span><span class="cx"> # include examples in destroot
</span><span class="cx">
</span><span class="cx"> post-destroot {
</span><del>- xinstall -m 755 -d ${destroot}${prefix}/share/examples/
- copy ${worksrcpath}/examples ${destroot}${prefix}/share/examples/mac
</del><ins>+ xinstall -m 755 -d ${destroot}${prefix}/share/gnuradio/examples
+ copy ${worksrcpath}/examples ${destroot}${prefix}/share/gnuradio/examples/mac
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> # specify the Python dependencies
</span><span class="lines">@@ -63,19 +68,19 @@
</span><span class="cx"> # specify the Python version to use
</span><span class="cx">
</span><span class="cx"> configure.args-append \
</span><del>- -DPYTHON_EXECUTABLE=${prefix}/Library/Frameworks/Python.framework/Versions/2.7/bin/python2.7 \
- -DPYTHON_INCLUDE_DIR=${prefix}/Library/Frameworks/Python.framework/Versions/2.7/Headers \
- -DPYTHON_LIBRARY=${prefix}/Library/Frameworks/Python.framework/Versions/2.7/Python \
</del><ins>+ -DPYTHON_EXECUTABLE=${frameworks_dir}/Python.framework/Versions/2.7/bin/python2.7 \
+ -DPYTHON_INCLUDE_DIR=${frameworks_dir}/Python.framework/Versions/2.7/Headers \
+ -DPYTHON_LIBRARY=${frameworks_dir}/Python.framework/Versions/2.7/Python \
</ins><span class="cx"> -DGR_PYTHON_DIR=${frameworks_dir}/Python.framework/Versions/2.7/lib/python2.7/site-packages
</span><span class="cx">
</span><span class="cx"> notes "
</span><span class="cx"> Before ${name} will work correctly, you will need to execute
</span><span class="cx">
</span><del>- ${prefix}/bin/grcc ${prefix}/share/examples/mac/gmsk_radio.grc
</del><ins>+ ${prefix}/bin/grcc ${prefix}/share/gnuradio/examples/mac/gmsk_radio.grc
</ins><span class="cx">
</span><span class="cx"> and
</span><span class="cx">
</span><del>- ${prefix}/bin/grcc ${prefix}/share/examples/mac/ofdm_radio.grc
</del><ins>+ ${prefix}/bin/grcc ${prefix}/share/gnuradio/examples/mac/ofdm_radio.grc
</ins><span class="cx">
</span><span class="cx"> as the user as which you want to use ${name}.
</span><span class="cx"> "
</span></span></pre></div>
<a id="trunkdportssciencegrmacfilespatchexamples_radiosdiff"></a>
<div class="addfile"><h4>Added: trunk/dports/science/gr-mac/files/patch-examples_radios.diff (0 => 153037)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/dports/science/gr-mac/files/patch-examples_radios.diff (rev 0)
+++ trunk/dports/science/gr-mac/files/patch-examples_radios.diff 2016-09-22 15:11:43 UTC (rev 153037)
</span><span class="lines">@@ -0,0 +1,2606 @@
</span><ins>+--- examples/gmsk_radio.grc.orig
++++ examples/gmsk_radio.grc
+@@ -1,23 +1,23 @@
+-<?xml version='1.0' encoding='ASCII'?>
+-<?grc format='1' created='3.7.6'?>
++<?xml version='1.0' encoding='utf-8'?>
++<?grc format='1' created='3.7.11'?>
+ <flow_graph>
+ <timestamp>Fri Sep 12 22:58:12 2014</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+- <key>id</key>
+- <value>gmsk_radio</value>
++ <key>author</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>window_size</key>
++ <value>1480, 1424</value>
+ </param>
+ <param>
+- <key>title</key>
+- <value>GMSK Modem</value>
++ <key>category</key>
++ <value>gr-mac</value>
+ </param>
+ <param>
+- <key>author</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+@@ -25,65 +25,73 @@
+ <value></value>
+ </param>
+ <param>
+- <key>window_size</key>
+- <value>1480, 1424</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>generate_options</key>
+- <value>hb</value>
++ <key>_coordinate</key>
++ <value>(10, 10)</value>
+ </param>
+ <param>
+- <key>category</key>
+- <value>gr-mac</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>run_options</key>
+- <value>prompt</value>
++ <key>generate_options</key>
++ <value>hb</value>
+ </param>
+ <param>
+- <key>run</key>
+- <value>True</value>
++ <key>hier_block_src_path</key>
++ <value>.:</value>
++ </param>
++ <param>
++ <key>id</key>
++ <value>gmsk_radio</value>
+ </param>
+ <param>
+ <key>max_nouts</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>realtime_scheduling</key>
++ <key>qt_qss_theme</key>
+ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
++ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(10, 10)</value>
++ <key>run_command</key>
++ <value>{python} -u {filename}</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>run_options</key>
++ <value>prompt</value>
+ </param>
+- </block>
+- <block>
+- <key>variable</key>
+ <param>
+- <key>id</key>
+- <value>samp_rate</value>
++ <key>run</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>thread_safe_setters</key>
++ <value></value>
+ </param>
+ <param>
+- <key>value</key>
+- <value>rate</value>
++ <key>title</key>
++ <value>GMSK Modem</value>
+ </param>
++ </block>
++ <block>
++ <key>variable</key>
+ <param>
+- <key>alias</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
++ <key>_enabled</key>
++ <value>True</value>
++ </param>
++ <param>
+ <key>_coordinate</key>
+ <value>(120, 123)</value>
+ </param>
+@@ -91,632 +99,685 @@
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>parameter</key>
+ <param>
+ <key>id</key>
+- <value>rate</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+- <key>label</key>
+- <value>Sample rate</value>
++ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>value</key>
+- <value>1e6</value>
++ <value>rate</value>
+ </param>
++ </block>
++ <block>
++ <key>parameter</key>
+ <param>
+- <key>type</key>
+- <value>eng_float</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>short_id</key>
+- <value>r</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(8, 123)</value>
++ <value>(8, 387)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>parameter</key>
+ <param>
+ <key>id</key>
+- <value>samps_per_sym</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <value>access_code_threshold</value>
+ </param>
+ <param>
+ <key>label</key>
+- <value>Samples/symbol</value>
++ <value>Access code threshold</value>
+ </param>
+ <param>
+- <key>value</key>
+- <value>4</value>
++ <key>short_id</key>
++ <value></value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>intx</value>
+ </param>
+ <param>
+- <key>short_id</key>
+- <value></value>
++ <key>value</key>
++ <value>0</value>
+ </param>
++ </block>
++ <block>
++ <key>parameter</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>(8, 251)</value>
++ <value>(168, 251)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>parameter</key>
+ <param>
+ <key>id</key>
+ <value>ampl</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+ <key>label</key>
+ <value>TX BB amp</value>
+ </param>
+ <param>
+- <key>value</key>
+- <value>0.7</value>
++ <key>short_id</key>
++ <value></value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>eng_float</value>
+ </param>
+ <param>
+- <key>short_id</key>
+- <value></value>
++ <key>value</key>
++ <value>0.7</value>
+ </param>
++ </block>
++ <block>
++ <key>blocks_multiply_const_vxx</key>
+ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(168, 251)</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>const</key>
++ <value>ampl</value>
+ </param>
+- </block>
+- <block>
+- <key>parameter</key>
+ <param>
+- <key>id</key>
+- <value>access_code_threshold</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>label</key>
+- <value>Access code threshold</value>
++ <key>_coordinate</key>
++ <value>(592, 635)</value>
+ </param>
+ <param>
+- <key>value</key>
++ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>intx</value>
++ <key>id</key>
++ <value>blocks_multiply_const_vxx_0</value>
+ </param>
+ <param>
+- <key>short_id</key>
+- <value></value>
++ <key>type</key>
++ <value>complex</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(8, 387)</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
+ </block>
+ <block>
+- <key>note</key>
++ <key>blocks_pdu_to_tagged_stream</key>
+ <param>
+- <key>id</key>
+- <value>note_0</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>note</key>
+- <value>Tradeoff between detecting possibly slightly corrupted header and still decoding packet vs. starting decode and have state machine decoding while another packet starts later (and it is missed)</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(184, 435)</value>
++ <value>(944, 491)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_sink</key>
+ <param>
+ <key>id</key>
+- <value>pad_sink_0_0</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+- <key>label</key>
+- <value>msg_out</value>
++ <value>blocks_pdu_to_tagged_stream_0</value>
+ </param>
+ <param>
+ <key>type</key>
+- <value>message</value>
++ <value>byte</value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>tag</key>
++ <value>length</value>
+ </param>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>False</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
++ </block>
++ <block>
++ <key>digital_gmsk_demod</key>
+ <param>
+- <key>_coordinate</key>
+- <value>(1272, 235)</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+- </block>
+- <block>
+- <key>mac_packet_to_pdu</key>
+ <param>
+- <key>id</key>
+- <value>mac_packet_to_pdu_0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>dewhiten</key>
+- <value>True</value>
++ <key>freq_error</key>
++ <value>0.0</value>
+ </param>
+ <param>
+- <key>output_invalid</key>
+- <value>False</value>
+- </param>
++ <key>_coordinate</key>
++ <value>(632, 195)</value>
++ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>gain_mu</key>
++ <value>0.175</value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>id</key>
++ <value>digital_gmsk_demod_0</value>
++ </param>
++ <param>
++ <key>log</key>
++ <value>False</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(1088, 227)</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>mu</key>
++ <value>0.5</value>
+ </param>
+- </block>
+- <block>
+- <key>mac_packet_deframer</key>
+ <param>
+- <key>id</key>
+- <value>mac_packet_deframer_0</value>
++ <key>omega_relative_limit</key>
++ <value>0.005</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>samples_per_symbol</key>
++ <value>samps_per_sym</value>
+ </param>
+ <param>
+- <key>access_code</key>
+- <value></value>
++ <key>verbose</key>
++ <value>True</value>
+ </param>
++ </block>
++ <block>
++ <key>digital_gmsk_mod</key>
+ <param>
+- <key>threshold</key>
+- <value>access_code_threshold</value>
++ <key>bt</key>
++ <value>0.35</value>
+ </param>
+ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(888, 227)</value>
++ <value>(1184, 483)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>blocks_pdu_to_tagged_stream</key>
+ <param>
+ <key>id</key>
+- <value>blocks_pdu_to_tagged_stream_0</value>
++ <value>digital_gmsk_mod_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>log</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>byte</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>tag</key>
+- <value>length</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
++ <key>samples_per_symbol</key>
++ <value>samps_per_sym</value>
++ </param>
++ <param>
++ <key>verbose</key>
++ <value>False</value>
++ </param>
++ </block>
++ <block>
++ <key>mac_burst_tagger</key>
++ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(944, 491)</value>
++ <value>(768, 611)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>digital_gmsk_mod</key>
+ <param>
+ <key>id</key>
+- <value>digital_gmsk_mod_0</value>
++ <value>mac_burst_tagger_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>samples_per_symbol</key>
+- <value>samps_per_sym</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>bt</key>
+- <value>0.35</value>
++ <key>mult</key>
++ <value>samps_per_sym*8</value>
+ </param>
+ <param>
+- <key>verbose</key>
+- <value>False</value>
++ <key>pad_front</key>
++ <value>32*0+ 0</value>
+ </param>
+ <param>
+- <key>log</key>
+- <value>False</value>
++ <key>pad_rear</key>
++ <value>16*0 + 16</value>
++ </param>
++ <param>
++ <key>tag_name</key>
++ <value>'length'</value>
++ </param>
++ </block>
++ <block>
++ <key>mac_packet_deframer</key>
++ <param>
++ <key>access_code</key>
++ <value></value>
+ </param>
+ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(1184, 483)</value>
++ <value>(888, 227)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>blocks_multiply_const_vxx</key>
+ <param>
+ <key>id</key>
+- <value>blocks_multiply_const_vxx_0</value>
++ <value>mac_packet_deframer_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>complex</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>const</key>
+- <value>ampl</value>
++ <key>threshold</key>
++ <value>access_code_threshold</value>
+ </param>
++ </block>
++ <block>
++ <key>mac_packet_framer</key>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>access_code</key>
++ <value></value>
+ </param>
+ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(592, 635)</value>
++ <value>(680, 451)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_sink</key>
+ <param>
+ <key>id</key>
+- <value>pad_sink_0</value>
++ <value>mac_packet_framer_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
++ <key>maxoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>minoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>postamble</key>
++ <value>''.join(['\x00']*(16/8/samps_per_sym)*0)</value>
++ </param>
++ <param>
++ <key>preamble</key>
++ <value>''.join(['\x55']*((256*1)/8/samps_per_sym))</value>
++ </param>
++ <param>
++ <key>rotate_whitener_offset</key>
++ <value>False</value>
++ </param>
++ <param>
++ <key>whiten</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>label</key>
+- <value>out</value>
++ <key>whitener_offset</key>
++ <value>0</value>
+ </param>
++ </block>
++ <block>
++ <key>mac_packet_to_pdu</key>
+ <param>
+- <key>type</key>
+- <value>complex</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>False</value>
++ <key>dewhiten</key>
++ <value>True</value>
++ </param>
++ <param>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(968, 635)</value>
++ <value>(1088, 227)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
++ <param>
++ <key>id</key>
++ <value>mac_packet_to_pdu_0</value>
++ </param>
++ <param>
++ <key>maxoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>minoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>output_invalid</key>
++ <value>False</value>
++ </param>
+ </block>
+ <block>
+- <key>digital_gmsk_demod</key>
++ <key>note</key>
+ <param>
+- <key>id</key>
+- <value>digital_gmsk_demod_0</value>
++ <key>alias</key>
++ <value></value>
++ </param>
++ <param>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>samples_per_symbol</key>
+- <value>samps_per_sym</value>
++ <key>_coordinate</key>
++ <value>(184, 435)</value>
+ </param>
+ <param>
+- <key>gain_mu</key>
+- <value>0.175</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>mu</key>
+- <value>0.5</value>
++ <key>id</key>
++ <value>note_0</value>
+ </param>
+ <param>
+- <key>omega_relative_limit</key>
+- <value>0.005</value>
++ <key>note</key>
++ <value>Tradeoff between detecting possibly slightly corrupted header and still decoding packet vs. starting decode and have state machine decoding while another packet starts later (and it is missed)</value>
+ </param>
++ </block>
++ <block>
++ <key>pad_sink</key>
+ <param>
+- <key>freq_error</key>
+- <value>0.0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>verbose</key>
++ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>log</key>
+- <value>False</value>
++ <key>_coordinate</key>
++ <value>(968, 635)</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>id</key>
++ <value>pad_sink_0</value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>type</key>
++ <value>complex</value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>label</key>
++ <value>out</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(632, 195)</value>
++ <key>num_streams</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>optional</key>
++ <value>False</value>
++ </param>
++ <param>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
+ </block>
+ <block>
+- <key>mac_packet_framer</key>
++ <key>pad_sink</key>
+ <param>
+- <key>id</key>
+- <value>mac_packet_framer_0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>access_code</key>
+- <value></value>
++ <key>_coordinate</key>
++ <value>(1272, 235)</value>
+ </param>
+ <param>
+- <key>whitener_offset</key>
++ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>whiten</key>
+- <value>True</value>
++ <key>id</key>
++ <value>pad_sink_0_0</value>
+ </param>
+ <param>
+- <key>rotate_whitener_offset</key>
+- <value>False</value>
++ <key>type</key>
++ <value>message</value>
+ </param>
+ <param>
+- <key>preamble</key>
+- <value>''.join(['\x55']*((256*1)/8/samps_per_sym))</value>
++ <key>label</key>
++ <value>msg_out</value>
+ </param>
+ <param>
+- <key>postamble</key>
+- <value>''.join(['\x00']*(16/8/samps_per_sym)*0)</value>
++ <key>num_streams</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>optional</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
++ </block>
++ <block>
++ <key>pad_source</key>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(680, 451)</value>
++ <value>(456, 235)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_source</key>
+ <param>
+ <key>id</key>
+ <value>pad_source_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+ <key>label</key>
+ <value>bb_in</value>
+ </param>
+ <param>
++ <key>num_streams</key>
++ <value>1</value>
++ </param>
++ <param>
++ <key>optional</key>
++ <value>False</value>
++ </param>
++ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+@@ -724,38 +785,42 @@
+ <key>vlen</key>
+ <value>1</value>
+ </param>
++ </block>
++ <block>
++ <key>pad_source</key>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>False</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(456, 235)</value>
++ <value>(504, 491)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_source</key>
+ <param>
+ <key>id</key>
+ <value>pad_source_1</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+ <key>label</key>
+ <value>msg_in</value>
+ </param>
+ <param>
++ <key>num_streams</key>
++ <value>1</value>
++ </param>
++ <param>
++ <key>optional</key>
++ <value>False</value>
++ </param>
++ <param>
+ <key>type</key>
+ <value>message</value>
+ </param>
+@@ -763,99 +828,106 @@
+ <key>vlen</key>
+ <value>1</value>
+ </param>
++ </block>
++ <block>
++ <key>parameter</key>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>False</value>
++ <key>comment</key>
++ <value></value>
++ </param>
++ <param>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(504, 491)</value>
++ <value>(8, 123)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>mac_burst_tagger</key>
+ <param>
+ <key>id</key>
+- <value>mac_burst_tagger_0</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <value>rate</value>
+ </param>
+ <param>
+- <key>tag_name</key>
+- <value>'length'</value>
++ <key>label</key>
++ <value>Sample rate</value>
+ </param>
+ <param>
+- <key>mult</key>
+- <value>samps_per_sym*8</value>
++ <key>short_id</key>
++ <value>r</value>
+ </param>
+ <param>
+- <key>pad_front</key>
+- <value>32*0+ 0</value>
++ <key>type</key>
++ <value>eng_float</value>
+ </param>
+ <param>
+- <key>pad_rear</key>
+- <value>16*0 + 16</value>
++ <key>value</key>
++ <value>1e6</value>
+ </param>
++ </block>
++ <block>
++ <key>parameter</key>
+ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
+- </param>
+- <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(768, 611)</value>
++ <value>(8, 251)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
++ <param>
++ <key>id</key>
++ <value>samps_per_sym</value>
++ </param>
++ <param>
++ <key>label</key>
++ <value>Samples/symbol</value>
++ </param>
++ <param>
++ <key>short_id</key>
++ <value></value>
++ </param>
++ <param>
++ <key>type</key>
++ <value>intx</value>
++ </param>
++ <param>
++ <key>value</key>
++ <value>4</value>
++ </param>
+ </block>
+ <connection>
+- <source_block_id>blocks_pdu_to_tagged_stream_0</source_block_id>
+- <sink_block_id>digital_gmsk_mod_0</sink_block_id>
++ <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
++ <sink_block_id>mac_burst_tagger_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>mac_packet_framer_0</source_block_id>
+- <sink_block_id>blocks_pdu_to_tagged_stream_0</sink_block_id>
+- <source_key>out</source_key>
+- <sink_key>pdus</sink_key>
+- </connection>
+- <connection>
+- <source_block_id>mac_packet_to_pdu_0</source_block_id>
+- <sink_block_id>pad_sink_0_0</sink_block_id>
+- <source_key>pdu</source_key>
++ <source_block_id>blocks_pdu_to_tagged_stream_0</source_block_id>
++ <sink_block_id>digital_gmsk_mod_0</sink_block_id>
++ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>mac_packet_deframer_0</source_block_id>
+- <sink_block_id>mac_packet_to_pdu_0</sink_block_id>
+- <source_key>msg</source_key>
+- <sink_key>msg</sink_key>
+- </connection>
+- <connection>
+ <source_block_id>digital_gmsk_demod_0</source_block_id>
+ <sink_block_id>mac_packet_deframer_0</sink_block_id>
+ <source_key>0</source_key>
+@@ -868,18 +940,30 @@
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
+- <sink_block_id>mac_burst_tagger_0</sink_block_id>
+- <source_key>0</source_key>
+- <sink_key>0</sink_key>
+- </connection>
+- <connection>
+ <source_block_id>mac_burst_tagger_0</source_block_id>
+ <sink_block_id>pad_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
++ <source_block_id>mac_packet_deframer_0</source_block_id>
++ <sink_block_id>mac_packet_to_pdu_0</sink_block_id>
++ <source_key>msg</source_key>
++ <sink_key>msg</sink_key>
++ </connection>
++ <connection>
++ <source_block_id>mac_packet_framer_0</source_block_id>
++ <sink_block_id>blocks_pdu_to_tagged_stream_0</sink_block_id>
++ <source_key>out</source_key>
++ <sink_key>pdus</sink_key>
++ </connection>
++ <connection>
++ <source_block_id>mac_packet_to_pdu_0</source_block_id>
++ <sink_block_id>pad_sink_0_0</sink_block_id>
++ <source_key>pdu</source_key>
++ <sink_key>in</sink_key>
++ </connection>
++ <connection>
+ <source_block_id>pad_source_0</source_block_id>
+ <sink_block_id>digital_gmsk_demod_0</sink_block_id>
+ <source_key>0</source_key>
+@@ -888,7 +972,7 @@
+ <connection>
+ <source_block_id>pad_source_1</source_block_id>
+ <sink_block_id>mac_packet_framer_0</sink_block_id>
+- <source_key>0</source_key>
++ <source_key>out</source_key>
+ <sink_key>in</sink_key>
+ </connection>
+ </flow_graph>
+--- examples/ofdm_radio.grc.orig
++++ examples/ofdm_radio.grc
+@@ -1,23 +1,23 @@
+-<?xml version='1.0' encoding='ASCII'?>
+-<?grc format='1' created='3.7.6'?>
++<?xml version='1.0' encoding='utf-8'?>
++<?grc format='1' created='3.7.11'?>
+ <flow_graph>
+ <timestamp>Fri Sep 12 16:57:41 2014</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+- <key>id</key>
+- <value>ofdm_radio</value>
++ <key>author</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>window_size</key>
++ <value>1280, 1024</value>
+ </param>
+ <param>
+- <key>title</key>
+- <value>OFDM Modem</value>
++ <key>category</key>
++ <value>gr-mac</value>
+ </param>
+ <param>
+- <key>author</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+@@ -25,257 +25,243 @@
+ <value></value>
+ </param>
+ <param>
+- <key>window_size</key>
+- <value>1280, 1024</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>generate_options</key>
+- <value>hb</value>
++ <key>_coordinate</key>
++ <value>(10, 10)</value>
+ </param>
+ <param>
+- <key>category</key>
+- <value>gr-mac</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>run_options</key>
+- <value>prompt</value>
++ <key>generate_options</key>
++ <value>hb</value>
+ </param>
+ <param>
+- <key>run</key>
+- <value>True</value>
++ <key>hier_block_src_path</key>
++ <value>.:</value>
++ </param>
++ <param>
++ <key>id</key>
++ <value>ofdm_radio</value>
+ </param>
+ <param>
+ <key>max_nouts</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>realtime_scheduling</key>
++ <key>qt_qss_theme</key>
+ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
++ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(10, 10)</value>
++ <key>run_command</key>
++ <value>{python} -u {filename}</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>run_options</key>
++ <value>prompt</value>
+ </param>
+- </block>
+- <block>
+- <key>variable</key>
+ <param>
+- <key>id</key>
+- <value>samp_rate</value>
++ <key>run</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>thread_safe_setters</key>
++ <value></value>
+ </param>
+ <param>
+- <key>value</key>
+- <value>rate</value>
++ <key>title</key>
++ <value>OFDM Modem</value>
+ </param>
++ </block>
++ <block>
++ <key>variable</key>
+ <param>
+- <key>alias</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
++ <key>_enabled</key>
++ <value>True</value>
++ </param>
++ <param>
+ <key>_coordinate</key>
+- <value>(123, 98)</value>
++ <value>(844, 456)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>backoff_db</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+ <key>value</key>
+ <value>-15.0</value>
+ </param>
++ </block>
++ <block>
++ <key>variable</key>
+ <param>
+- <key>alias</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
++ <key>_enabled</key>
++ <value>True</value>
++ </param>
++ <param>
+ <key>_coordinate</key>
+- <value>(844, 456)</value>
++ <value>(123, 98)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>parameter</key>
+ <param>
+ <key>id</key>
+- <value>rate</value>
++ <value>samp_rate</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>value</key>
++ <value>rate</value>
+ </param>
++ </block>
++ <block>
++ <key>blocks_multiply_const_vxx</key>
+ <param>
+- <key>label</key>
+- <value>Sample rate</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>value</key>
+- <value>1e6</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>eng_float</value>
++ <key>const</key>
++ <value>10.0**(1.0*backoff_db/10.0)</value>
+ </param>
+ <param>
+- <key>short_id</key>
+- <value>r</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(10, 98)</value>
++ <value>(810, 414)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>blocks_tagged_stream_to_pdu</key>
+ <param>
+ <key>id</key>
+- <value>blocks_tagged_stream_to_pdu_0</value>
++ <value>blocks_multiply_const_vxx_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>type</key>
++ <value>complex</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>byte</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>tag</key>
+- <value>length</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
++ <key>vlen</key>
++ <value>1</value>
++ </param>
++ </block>
++ <block>
++ <key>blocks_pdu_to_tagged_stream</key>
++ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(826, 44)</value>
++ <value>(457, 237)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_sink</key>
+ <param>
+ <key>id</key>
+- <value>pad_sink_3</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
+- </param>
+- <param>
+- <key>label</key>
+- <value>msg_out</value>
++ <value>blocks_pdu_to_tagged_stream_0</value>
+ </param>
+ <param>
+ <key>type</key>
+- <value>message</value>
+- </param>
+- <param>
+- <key>vlen</key>
+- <value>1</value>
+- </param>
+- <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <value>byte</value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>True</value>
++ <key>tag</key>
++ <value>length</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(1074, 44)</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_rotation</key>
++ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+- <key>note</key>
++ <key>blocks_tagged_stream_to_pdu</key>
+ <param>
+- <key>id</key>
+- <value>note_0</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>note</key>
+- <value>Front: 128 is too short, Tail: 8 is adequate</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(1080, 172)</value>
++ <value>(826, 44)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>blocks_pdu_to_tagged_stream</key>
+ <param>
+ <key>id</key>
+- <value>blocks_pdu_to_tagged_stream_0</value>
+- </param>
+- <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <value>blocks_tagged_stream_to_pdu_0</value>
+ </param>
+ <param>
+ <key>type</key>
+@@ -286,267 +272,335 @@
+ <value>length</value>
+ </param>
+ <param>
++ <key>maxoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>minoutbuf</key>
++ <value>0</value>
++ </param>
++ </block>
++ <block>
++ <key>digital_ofdm_rx</key>
++ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
++ <key>comment</key>
++ <value></value>
++ </param>
++ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>cp_len</key>
++ <value>16</value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
++ </param>
++ <param>
++ <key>fft_len</key>
++ <value>64</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(457, 237)</value>
++ <value>(560, 9)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>pad_source</key>
++ <param>
++ <key>header_mod</key>
++ <value>"BPSK"</value>
++ </param>
+ <param>
+ <key>id</key>
+- <value>pad_source_0</value>
++ <value>digital_ofdm_rx_1</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>log</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>label</key>
+- <value>msg_in</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>message</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>occupied_carriers</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>packet_len_key</key>
++ <value>"length"</value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>True</value>
++ <key>payload_mod</key>
++ <value>"BPSK"</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(274, 244)</value>
++ <key>pilot_carriers</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>pilot_symbols</key>
++ <value>()</value>
++ </param>
++ <param>
++ <key>scramble_bits</key>
++ <value>False</value>
++ </param>
++ <param>
++ <key>sync_word1</key>
++ <value>()</value>
++ </param>
++ <param>
++ <key>sync_word2</key>
++ <value>()</value>
+ </param>
+ </block>
+ <block>
+- <key>foo_burst_tagger</key>
++ <key>digital_ofdm_tx</key>
+ <param>
+- <key>id</key>
+- <value>foo_burst_tagger_0</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>False</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>alias</key>
++ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
++ <key>cp_len</key>
++ <value>16</value>
++ </param>
++ <param>
++ <key>_enabled</key>
++ <value>True</value>
++ </param>
++ <param>
++ <key>fft_len</key>
++ <value>64</value>
++ </param>
++ <param>
+ <key>_coordinate</key>
+- <value>(936, 237)</value>
++ <value>(696, 202)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ <param>
+- <key>tag_name</key>
+- <value>pmt.intern("length")</value>
++ <key>header_mod</key>
++ <value>"BPSK"</value>
+ </param>
+ <param>
+- <key>mult</key>
+- <value>1</value>
++ <key>id</key>
++ <value>digital_ofdm_tx_0</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>packet_len_key</key>
++ <value>length</value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>log</key>
++ <value>False</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>foo_packet_pad</key>
+ <param>
+- <key>id</key>
+- <value>foo_packet_pad_0</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>False</value>
++ <key>occupied_carriers</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>payload_mod</key>
++ <value>"BPSK"</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(1141, 216)</value>
++ <key>pilot_carriers</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>pilot_symbols</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>debug</key>
+- <value>False</value>
++ <key>rolloff</key>
++ <value>0 + 4</value>
+ </param>
+ <param>
+- <key>delay</key>
++ <key>scramble_bits</key>
+ <value>False</value>
+ </param>
+ <param>
+- <key>delay_sec</key>
+- <value>0.001</value>
++ <key>sync_word1</key>
++ <value>()</value>
+ </param>
+ <param>
+- <key>pad_front</key>
+- <value>16*4 * 4</value>
++ <key>sync_word2</key>
++ <value>()</value>
+ </param>
++ </block>
++ <block>
++ <key>foo_burst_tagger</key>
+ <param>
+- <key>pad_tail</key>
+- <value>16</value>
++ <key>alias</key>
++ <value></value>
++ </param>
++ <param>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
++ <key>_enabled</key>
++ <value>False</value>
++ </param>
++ <param>
++ <key>_coordinate</key>
++ <value>(936, 237)</value>
++ </param>
++ <param>
++ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ <param>
++ <key>id</key>
++ <value>foo_burst_tagger_0</value>
++ </param>
++ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>digital_ofdm_tx</key>
+ <param>
+- <key>id</key>
+- <value>digital_ofdm_tx_0</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>mult</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>fft_len</key>
+- <value>64</value>
++ <key>tag_name</key>
++ <value>pmt.intern("length")</value>
+ </param>
++ </block>
++ <block>
++ <key>foo_packet_pad</key>
+ <param>
+- <key>cp_len</key>
+- <value>16</value>
++ <key>alias</key>
++ <value></value>
+ </param>
+ <param>
+- <key>packet_len_key</key>
+- <value>length</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>occupied_carriers</key>
+- <value>()</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>pilot_carriers</key>
+- <value>()</value>
++ <key>debug</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>pilot_symbols</key>
+- <value>()</value>
++ <key>delay_sec</key>
++ <value>0.001</value>
+ </param>
+ <param>
+- <key>sync_word1</key>
+- <value>()</value>
++ <key>delay</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>sync_word2</key>
+- <value>()</value>
++ <key>_enabled</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>header_mod</key>
+- <value>"BPSK"</value>
++ <key>_coordinate</key>
++ <value>(1141, 216)</value>
+ </param>
+ <param>
+- <key>payload_mod</key>
+- <value>"BPSK"</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>rolloff</key>
+- <value>0 + 4</value>
++ <key>id</key>
++ <value>foo_packet_pad_0</value>
+ </param>
+ <param>
+- <key>scramble_bits</key>
+- <value>False</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>log</key>
+- <value>False</value>
++ <key>minoutbuf</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>pad_front</key>
++ <value>16*4 * 4</value>
+ </param>
+ <param>
++ <key>pad_tail</key>
++ <value>16</value>
++ </param>
++ </block>
++ <block>
++ <key>mac_burst_tagger</key>
++ <param>
+ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>affinity</key>
++ <key>comment</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>affinity</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(696, 202)</value>
++ <value>(588, 393)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+- </block>
+- <block>
+- <key>mac_burst_tagger</key>
+ <param>
+ <key>id</key>
+ <value>mac_burst_tagger_0</value>
+ </param>
+ <param>
+- <key>_enabled</key>
+- <value>True</value>
++ <key>maxoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>tag_name</key>
+- <value>'length'</value>
++ <key>minoutbuf</key>
++ <value>0</value>
+ </param>
+ <param>
+ <key>mult</key>
+@@ -561,51 +615,70 @@
+ <value>16</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>tag_name</key>
++ <value>'length'</value>
+ </param>
++ </block>
++ <block>
++ <key>note</key>
+ <param>
+- <key>affinity</key>
++ <key>alias</key>
+ <value></value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+- <value>(588, 393)</value>
++ <value>(1080, 172)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
++ <param>
++ <key>id</key>
++ <value>note_0</value>
++ </param>
++ <param>
++ <key>note</key>
++ <value>Front: 128 is too short, Tail: 8 is adequate</value>
++ </param>
+ </block>
+ <block>
+- <key>pad_source</key>
++ <key>pad_sink</key>
+ <param>
+- <key>id</key>
+- <value>pad_source_1</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>label</key>
+- <value>in</value>
++ <key>_coordinate</key>
++ <value>(1008, 427)</value>
++ </param>
++ <param>
++ <key>_rotation</key>
++ <value>0</value>
++ </param>
++ <param>
++ <key>id</key>
++ <value>pad_sink_0</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>complex</value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>label</key>
++ <value>out</value>
+ </param>
+ <param>
+ <key>num_streams</key>
+@@ -616,186 +689,191 @@
+ <value>False</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(408, 67)</value>
+- </param>
+- <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
+ </block>
+ <block>
+- <key>digital_ofdm_rx</key>
++ <key>pad_sink</key>
+ <param>
+- <key>id</key>
+- <value>digital_ofdm_rx_1</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>fft_len</key>
+- <value>64</value>
++ <key>_coordinate</key>
++ <value>(1074, 44)</value>
+ </param>
+ <param>
+- <key>cp_len</key>
+- <value>16</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>packet_len_key</key>
+- <value>"length"</value>
++ <key>id</key>
++ <value>pad_sink_3</value>
+ </param>
+ <param>
+- <key>occupied_carriers</key>
+- <value>()</value>
++ <key>type</key>
++ <value>message</value>
+ </param>
+ <param>
+- <key>pilot_carriers</key>
+- <value>()</value>
++ <key>label</key>
++ <value>msg_out</value>
+ </param>
+ <param>
+- <key>pilot_symbols</key>
+- <value>()</value>
++ <key>num_streams</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>sync_word1</key>
+- <value>()</value>
++ <key>optional</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>sync_word2</key>
+- <value>()</value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
++ </block>
++ <block>
++ <key>pad_source</key>
+ <param>
+- <key>header_mod</key>
+- <value>"BPSK"</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+- <key>payload_mod</key>
+- <value>"BPSK"</value>
++ <key>_enabled</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>scramble_bits</key>
+- <value>False</value>
++ <key>_coordinate</key>
++ <value>(274, 244)</value>
+ </param>
+ <param>
+- <key>log</key>
+- <value>False</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>id</key>
++ <value>pad_source_0</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>label</key>
++ <value>msg_in</value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>num_streams</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>optional</key>
++ <value>True</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(560, 9)</value>
++ <key>type</key>
++ <value>message</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
+ </block>
+ <block>
+- <key>blocks_multiply_const_vxx</key>
++ <key>pad_source</key>
+ <param>
+- <key>id</key>
+- <value>blocks_multiply_const_vxx_0</value>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>complex</value>
+- </param>
+- <param>
+- <key>const</key>
+- <value>10.0**(1.0*backoff_db/10.0)</value>
++ <key>_coordinate</key>
++ <value>(408, 67)</value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>alias</key>
+- <value></value>
++ <key>id</key>
++ <value>pad_source_1</value>
+ </param>
+ <param>
+- <key>affinity</key>
+- <value></value>
++ <key>label</key>
++ <value>in</value>
+ </param>
+ <param>
+- <key>minoutbuf</key>
+- <value>0</value>
++ <key>num_streams</key>
++ <value>1</value>
+ </param>
+ <param>
+- <key>maxoutbuf</key>
+- <value>0</value>
++ <key>optional</key>
++ <value>False</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(810, 414)</value>
++ <key>type</key>
++ <value>complex</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>vlen</key>
++ <value>1</value>
+ </param>
+ </block>
+ <block>
+- <key>pad_sink</key>
++ <key>parameter</key>
+ <param>
+- <key>id</key>
+- <value>pad_sink_0</value>
++ <key>alias</key>
++ <value></value>
++ </param>
++ <param>
++ <key>comment</key>
++ <value></value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+- <key>label</key>
+- <value>out</value>
++ <key>_coordinate</key>
++ <value>(10, 98)</value>
+ </param>
+ <param>
+- <key>type</key>
+- <value>complex</value>
++ <key>_rotation</key>
++ <value>0</value>
+ </param>
+ <param>
+- <key>vlen</key>
+- <value>1</value>
++ <key>id</key>
++ <value>rate</value>
+ </param>
+ <param>
+- <key>num_streams</key>
+- <value>1</value>
++ <key>label</key>
++ <value>Sample rate</value>
+ </param>
+ <param>
+- <key>optional</key>
+- <value>False</value>
++ <key>short_id</key>
++ <value>r</value>
+ </param>
+ <param>
+- <key>_coordinate</key>
+- <value>(1008, 427)</value>
++ <key>type</key>
++ <value>eng_float</value>
+ </param>
+ <param>
+- <key>_rotation</key>
+- <value>0</value>
++ <key>value</key>
++ <value>1e6</value>
+ </param>
+ </block>
+ <connection>
+- <source_block_id>digital_ofdm_rx_1</source_block_id>
+- <sink_block_id>blocks_tagged_stream_to_pdu_0</sink_block_id>
++ <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
++ <sink_block_id>pad_sink_0</sink_block_id>
++ <source_key>0</source_key>
++ <sink_key>0</sink_key>
++ </connection>
++ <connection>
++ <source_block_id>blocks_pdu_to_tagged_stream_0</source_block_id>
++ <sink_block_id>digital_ofdm_tx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+@@ -803,23 +881,23 @@
+ <source_block_id>blocks_tagged_stream_to_pdu_0</source_block_id>
+ <sink_block_id>pad_sink_3</sink_block_id>
+ <source_key>pdus</source_key>
+- <sink_key>0</sink_key>
++ <sink_key>in</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>blocks_pdu_to_tagged_stream_0</source_block_id>
+- <sink_block_id>digital_ofdm_tx_0</sink_block_id>
++ <source_block_id>digital_ofdm_rx_1</source_block_id>
++ <sink_block_id>blocks_tagged_stream_to_pdu_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>pad_source_0</source_block_id>
+- <sink_block_id>blocks_pdu_to_tagged_stream_0</sink_block_id>
++ <source_block_id>digital_ofdm_tx_0</source_block_id>
++ <sink_block_id>foo_burst_tagger_0</sink_block_id>
+ <source_key>0</source_key>
+- <sink_key>pdus</sink_key>
++ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>digital_ofdm_tx_0</source_block_id>
+- <sink_block_id>foo_burst_tagger_0</sink_block_id>
++ <sink_block_id>mac_burst_tagger_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+@@ -836,26 +914,20 @@
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>digital_ofdm_tx_0</source_block_id>
+- <sink_block_id>mac_burst_tagger_0</sink_block_id>
+- <source_key>0</source_key>
+- <sink_key>0</sink_key>
+- </connection>
+- <connection>
+ <source_block_id>mac_burst_tagger_0</source_block_id>
+ <sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>pad_source_1</source_block_id>
+- <sink_block_id>digital_ofdm_rx_1</sink_block_id>
+- <source_key>0</source_key>
+- <sink_key>0</sink_key>
++ <source_block_id>pad_source_0</source_block_id>
++ <sink_block_id>blocks_pdu_to_tagged_stream_0</sink_block_id>
++ <source_key>out</source_key>
++ <sink_key>pdus</sink_key>
+ </connection>
+ <connection>
+- <source_block_id>blocks_multiply_const_vxx_0</source_block_id>
+- <sink_block_id>pad_sink_0</sink_block_id>
++ <source_block_id>pad_source_1</source_block_id>
++ <sink_block_id>digital_ofdm_rx_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
</ins></span></pre>
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