diff --git a/examples/rx_agc_demo.grc b/examples/wifi_rx_agc.grc
similarity index 95%
rename from examples/rx_agc_demo.grc
rename to examples/wifi_rx_agc.grc
index 6c644e5..64b0e3b 100644
--- a/examples/rx_agc_demo.grc
+++ b/examples/wifi_rx_agc.grc
@@ -1,33 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Wed Jun 25 16:22:20 2014</timestamp>
-  <block>
-    <key>variable</key>
-    <param>
-      <key>id</key>
-      <value>window_size</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>value</key>
-      <value>48</value>
-    </param>
-    <param>
-      <key>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(704, 18)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
+  <timestamp>Fri Jul 18 10:50:47 2014</timestamp>
   <block>
     <key>variable</key>
     <param>
@@ -55,6 +28,33 @@
       <value>0</value>
     </param>
   </block>
+  <block>
+    <key>variable</key>
+    <param>
+      <key>id</key>
+      <value>window_size</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>value</key>
+      <value>48</value>
+    </param>
+    <param>
+      <key>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(704, 18)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
   <block>
     <key>ieee802_11_ofdm_equalize_symbols</key>
     <param>
@@ -1557,10 +1557,6 @@
       <key>gain0</key>
       <value>gain</value>
     </param>
-    <param>
-      <key>agc0</key>
-      <value>agc</value>
-    </param>
     <param>
       <key>ant0</key>
       <value></value>
@@ -1577,10 +1573,6 @@
       <key>gain1</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc1</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant1</key>
       <value></value>
@@ -1597,10 +1589,6 @@
       <key>gain2</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc2</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant2</key>
       <value></value>
@@ -1617,10 +1605,6 @@
       <key>gain3</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc3</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant3</key>
       <value></value>
@@ -1637,10 +1621,6 @@
       <key>gain4</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc4</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant4</key>
       <value></value>
@@ -1657,10 +1637,6 @@
       <key>gain5</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc5</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant5</key>
       <value></value>
@@ -1677,10 +1653,6 @@
       <key>gain6</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc6</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant6</key>
       <value></value>
@@ -1697,10 +1669,6 @@
       <key>gain7</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc7</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant7</key>
       <value></value>
@@ -1717,10 +1685,6 @@
       <key>gain8</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc8</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant8</key>
       <value></value>
@@ -1737,10 +1701,6 @@
       <key>gain9</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc9</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant9</key>
       <value></value>
@@ -1757,10 +1717,6 @@
       <key>gain10</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc10</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant10</key>
       <value></value>
@@ -1777,10 +1733,6 @@
       <key>gain11</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc11</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant11</key>
       <value></value>
@@ -1797,10 +1749,6 @@
       <key>gain12</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc12</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant12</key>
       <value></value>
@@ -1817,10 +1765,6 @@
       <key>gain13</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc13</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant13</key>
       <value></value>
@@ -1837,10 +1781,6 @@
       <key>gain14</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc14</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant14</key>
       <value></value>
@@ -1857,10 +1797,6 @@
       <key>gain15</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc15</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant15</key>
       <value></value>
@@ -1877,10 +1813,6 @@
       <key>gain16</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc16</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant16</key>
       <value></value>
@@ -1897,10 +1829,6 @@
       <key>gain17</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc17</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant17</key>
       <value></value>
@@ -1917,10 +1845,6 @@
       <key>gain18</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc18</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant18</key>
       <value></value>
@@ -1937,10 +1861,6 @@
       <key>gain19</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc19</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant19</key>
       <value></value>
@@ -1957,10 +1877,6 @@
       <key>gain20</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc20</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant20</key>
       <value></value>
@@ -1977,10 +1893,6 @@
       <key>gain21</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc21</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant21</key>
       <value></value>
@@ -1997,10 +1909,6 @@
       <key>gain22</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc22</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant22</key>
       <value></value>
@@ -2017,10 +1925,6 @@
       <key>gain23</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc23</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant23</key>
       <value></value>
@@ -2037,10 +1941,6 @@
       <key>gain24</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc24</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant24</key>
       <value></value>
@@ -2057,10 +1957,6 @@
       <key>gain25</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc25</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant25</key>
       <value></value>
@@ -2077,10 +1973,6 @@
       <key>gain26</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc26</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant26</key>
       <value></value>
@@ -2097,10 +1989,6 @@
       <key>gain27</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc27</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant27</key>
       <value></value>
@@ -2117,10 +2005,6 @@
       <key>gain28</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc28</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant28</key>
       <value></value>
@@ -2137,10 +2021,6 @@
       <key>gain29</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc29</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant29</key>
       <value></value>
@@ -2157,10 +2037,6 @@
       <key>gain30</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc30</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant30</key>
       <value></value>
@@ -2177,10 +2053,6 @@
       <key>gain31</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc31</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant31</key>
       <value></value>
@@ -2218,7 +2090,7 @@
     <key>options</key>
     <param>
       <key>id</key>
-      <value>rx_agc_demo</value>
+      <value>wifi_rx_agc</value>
     </param>
     <param>
       <key>_enabled</key>
diff --git a/examples/wifi_csma_tx.grc b/examples/wifi_tx_csma.grc
similarity index 82%
rename from examples/wifi_csma_tx.grc
rename to examples/wifi_tx_csma.grc
index ebd61be..5eaa440 100644
--- a/examples/wifi_csma_tx.grc
+++ b/examples/wifi_tx_csma.grc
@@ -1,69 +1,6 @@
 <?xml version='1.0' encoding='ASCII'?>
 <flow_graph>
-  <timestamp>Thu Jul  3 15:32:26 2014</timestamp>
-  <block>
-    <key>options</key>
-    <param>
-      <key>id</key>
-      <value>wifi_csma_tx</value>
-    </param>
-    <param>
-      <key>_enabled</key>
-      <value>True</value>
-    </param>
-    <param>
-      <key>title</key>
-      <value></value>
-    </param>
-    <param>
-      <key>author</key>
-      <value></value>
-    </param>
-    <param>
-      <key>description</key>
-      <value></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>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>alias</key>
-      <value></value>
-    </param>
-    <param>
-      <key>_coordinate</key>
-      <value>(56, 8)</value>
-    </param>
-    <param>
-      <key>_rotation</key>
-      <value>0</value>
-    </param>
-  </block>
+  <timestamp>Fri Jul 18 10:50:49 2014</timestamp>
   <block>
     <key>variable_slider</key>
     <param>
@@ -243,6 +180,18 @@
       <key>_enabled</key>
       <value>True</value>
     </param>
+    <param>
+      <key>src_mac</key>
+      <value>[0x23, 0x23, 0x23, 0x23, 0x23, 0x23]</value>
+    </param>
+    <param>
+      <key>dst_mac</key>
+      <value>[0x42, 0x42, 0x42, 0x42, 0x42, 0x42]</value>
+    </param>
+    <param>
+      <key>bss_mac</key>
+      <value>[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]</value>
+    </param>
     <param>
       <key>alias</key>
       <value></value>
@@ -905,10 +854,6 @@
       <key>gain0</key>
       <value>10</value>
     </param>
-    <param>
-      <key>agc0</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant0</key>
       <value></value>
@@ -925,10 +870,6 @@
       <key>gain1</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc1</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant1</key>
       <value></value>
@@ -945,10 +886,6 @@
       <key>gain2</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc2</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant2</key>
       <value></value>
@@ -965,10 +902,6 @@
       <key>gain3</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc3</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant3</key>
       <value></value>
@@ -985,10 +918,6 @@
       <key>gain4</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc4</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant4</key>
       <value></value>
@@ -1005,10 +934,6 @@
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       <value>0</value>
     </param>
-    <param>
-      <key>agc5</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant5</key>
       <value></value>
@@ -1025,10 +950,6 @@
       <key>gain6</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc6</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant6</key>
       <value></value>
@@ -1045,10 +966,6 @@
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       <value>0</value>
     </param>
-    <param>
-      <key>agc7</key>
-      <value>False</value>
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     <param>
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       <value></value>
@@ -1065,10 +982,6 @@
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       <value>0</value>
     </param>
-    <param>
-      <key>agc8</key>
-      <value>False</value>
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     <param>
       <key>ant8</key>
       <value></value>
@@ -1085,10 +998,6 @@
       <key>gain9</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc9</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant9</key>
       <value></value>
@@ -1105,10 +1014,6 @@
       <key>gain10</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc10</key>
-      <value>False</value>
-    </param>
     <param>
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       <value></value>
@@ -1125,10 +1030,6 @@
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       <value>0</value>
     </param>
-    <param>
-      <key>agc11</key>
-      <value>False</value>
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     <param>
       <key>ant11</key>
       <value></value>
@@ -1145,10 +1046,6 @@
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       <value>0</value>
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-      <key>agc12</key>
-      <value>False</value>
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       <value></value>
@@ -1165,10 +1062,6 @@
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-      <key>agc13</key>
-      <value>False</value>
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     <param>
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       <value></value>
@@ -1185,10 +1078,6 @@
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       <value>0</value>
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-      <key>agc14</key>
-      <value>False</value>
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       <value></value>
@@ -1205,10 +1094,6 @@
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       <value>0</value>
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-      <value>False</value>
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     <param>
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       <value></value>
@@ -1225,10 +1110,6 @@
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-      <value>False</value>
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       <value></value>
@@ -1245,10 +1126,6 @@
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       <value></value>
@@ -1265,10 +1142,6 @@
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-      <value>False</value>
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       <value></value>
@@ -1285,10 +1158,6 @@
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@@ -1305,10 +1174,6 @@
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@@ -1325,10 +1190,6 @@
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       <value></value>
@@ -1345,10 +1206,6 @@
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@@ -1365,10 +1222,6 @@
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-      <value>False</value>
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@@ -1385,10 +1238,6 @@
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-      <key>agc24</key>
-      <value>False</value>
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     <param>
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       <value></value>
@@ -1405,10 +1254,6 @@
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       <value>0</value>
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-      <key>agc25</key>
-      <value>False</value>
-    </param>
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       <key>ant25</key>
       <value></value>
@@ -1425,10 +1270,6 @@
       <key>gain26</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc26</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant26</key>
       <value></value>
@@ -1445,10 +1286,6 @@
       <key>gain27</key>
       <value>0</value>
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-    <param>
-      <key>agc27</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant27</key>
       <value></value>
@@ -1465,10 +1302,6 @@
       <key>gain28</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc28</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant28</key>
       <value></value>
@@ -1485,10 +1318,6 @@
       <key>gain29</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc29</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant29</key>
       <value></value>
@@ -1505,10 +1334,6 @@
       <key>gain30</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc30</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant30</key>
       <value></value>
@@ -1525,10 +1350,6 @@
       <key>gain31</key>
       <value>0</value>
     </param>
-    <param>
-      <key>agc31</key>
-      <value>False</value>
-    </param>
     <param>
       <key>ant31</key>
       <value></value>
@@ -1967,18 +1788,6 @@
       <key>gain0</key>
       <value>gain</value>
     </param>
-    <param>
-      <key>csma_enable0</key>
-      <value>csma_enable</value>
-    </param>
-    <param>
-      <key>csma_slottime0</key>
-      <value>slottime</value>
-    </param>
-    <param>
-      <key>csma_threshold0</key>
-      <value>threshold</value>
-    </param>
     <param>
       <key>ant0</key>
       <value></value>
@@ -1995,18 +1804,6 @@
       <key>gain1</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable1</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime1</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold1</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant1</key>
       <value></value>
@@ -2023,18 +1820,6 @@
       <key>gain2</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable2</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime2</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold2</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant2</key>
       <value></value>
@@ -2051,18 +1836,6 @@
       <key>gain3</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable3</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime3</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold3</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant3</key>
       <value></value>
@@ -2079,18 +1852,6 @@
       <key>gain4</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable4</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime4</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold4</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant4</key>
       <value></value>
@@ -2107,18 +1868,6 @@
       <key>gain5</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable5</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime5</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold5</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant5</key>
       <value></value>
@@ -2135,18 +1884,6 @@
       <key>gain6</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable6</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime6</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold6</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant6</key>
       <value></value>
@@ -2163,18 +1900,6 @@
       <key>gain7</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable7</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime7</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold7</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant7</key>
       <value></value>
@@ -2191,18 +1916,6 @@
       <key>gain8</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable8</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime8</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold8</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant8</key>
       <value></value>
@@ -2219,18 +1932,6 @@
       <key>gain9</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable9</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime9</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold9</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant9</key>
       <value></value>
@@ -2247,18 +1948,6 @@
       <key>gain10</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable10</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime10</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold10</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant10</key>
       <value></value>
@@ -2275,18 +1964,6 @@
       <key>gain11</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable11</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime11</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold11</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant11</key>
       <value></value>
@@ -2303,18 +1980,6 @@
       <key>gain12</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable12</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime12</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold12</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant12</key>
       <value></value>
@@ -2331,18 +1996,6 @@
       <key>gain13</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable13</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime13</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold13</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant13</key>
       <value></value>
@@ -2359,18 +2012,6 @@
       <key>gain14</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable14</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime14</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold14</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant14</key>
       <value></value>
@@ -2387,18 +2028,6 @@
       <key>gain15</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable15</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime15</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold15</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant15</key>
       <value></value>
@@ -2415,18 +2044,6 @@
       <key>gain16</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable16</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime16</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold16</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant16</key>
       <value></value>
@@ -2443,18 +2060,6 @@
       <key>gain17</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable17</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime17</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold17</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant17</key>
       <value></value>
@@ -2471,18 +2076,6 @@
       <key>gain18</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable18</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime18</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold18</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant18</key>
       <value></value>
@@ -2499,18 +2092,6 @@
       <key>gain19</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable19</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime19</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold19</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant19</key>
       <value></value>
@@ -2527,18 +2108,6 @@
       <key>gain20</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable20</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime20</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold20</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant20</key>
       <value></value>
@@ -2555,18 +2124,6 @@
       <key>gain21</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable21</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime21</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold21</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant21</key>
       <value></value>
@@ -2583,18 +2140,6 @@
       <key>gain22</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable22</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime22</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold22</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant22</key>
       <value></value>
@@ -2611,18 +2156,6 @@
       <key>gain23</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable23</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime23</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold23</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant23</key>
       <value></value>
@@ -2639,18 +2172,6 @@
       <key>gain24</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable24</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime24</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold24</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant24</key>
       <value></value>
@@ -2667,18 +2188,6 @@
       <key>gain25</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable25</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime25</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold25</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant25</key>
       <value></value>
@@ -2695,18 +2204,6 @@
       <key>gain26</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable26</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime26</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold26</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant26</key>
       <value></value>
@@ -2723,18 +2220,6 @@
       <key>gain27</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable27</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime27</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold27</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant27</key>
       <value></value>
@@ -2751,18 +2236,6 @@
       <key>gain28</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable28</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime28</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold28</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant28</key>
       <value></value>
@@ -2779,18 +2252,6 @@
       <key>gain29</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable29</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime29</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold29</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant29</key>
       <value></value>
@@ -2807,18 +2268,6 @@
       <key>gain30</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable30</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime30</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold30</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant30</key>
       <value></value>
@@ -2835,18 +2284,6 @@
       <key>gain31</key>
       <value>0</value>
     </param>
-    <param>
-      <key>csma_enable31</key>
-      <value>False</value>
-    </param>
-    <param>
-      <key>csma_slottime31</key>
-      <value>0</value>
-    </param>
-    <param>
-      <key>csma_threshold31</key>
-      <value>0</value>
-    </param>
     <param>
       <key>ant31</key>
       <value></value>
@@ -2876,6 +2313,69 @@
       <value>0</value>
     </param>
   </block>
+  <block>
+    <key>options</key>
+    <param>
+      <key>id</key>
+      <value>wifi_tx_csma</value>
+    </param>
+    <param>
+      <key>_enabled</key>
+      <value>True</value>
+    </param>
+    <param>
+      <key>title</key>
+      <value></value>
+    </param>
+    <param>
+      <key>author</key>
+      <value></value>
+    </param>
+    <param>
+      <key>description</key>
+      <value></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>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>alias</key>
+      <value></value>
+    </param>
+    <param>
+      <key>_coordinate</key>
+      <value>(56, 8)</value>
+    </param>
+    <param>
+      <key>_rotation</key>
+      <value>0</value>
+    </param>
+  </block>
   <connection>
     <source_block_id>blocks_message_strobe_0</source_block_id>
     <sink_block_id>ieee802_11_ofdm_mac_0</sink_block_id>