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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##OFDM Demod
   5 ###################################################
   6  -->
   7 <block>
   8         <name>OFDM Demod</name>
   9         <key>blks2_ofdm_demod</key>
  10         <import>from grc_gnuradio import blks2 as grc_blks2</import>
  11         <import>from gnuradio import blks2</import>
  12         <make>grc_blks2.packet_demod_$(type.fcn)(blks2.ofdm_demod(
  13                 options=grc_blks2.options(
  14                         modulation="$modulation",
  15                         fft_length=$fft_length,
  16                         occupied_tones=$occupied_tones,
  17                         cp_length=$cp_length,
  18                         snr=$snr,
  19                         log=None,
  20                         verbose=None,
  21                 ),
  22                 callback=lambda ok, payload: self.$(id).recv_pkt(ok, payload),
  23         ),
  24 )</make>
  25         <param>
  26                 <name>Output Type</name>
  27                 <key>type</key>
  28                 <value>float</value>
  29                 <type>enum</type>
  30                 <option>
  31                         <name>Complex</name>
  32                         <key>complex</key>
  33                         <opt>fcn:c</opt>
  34                 </option>
  35                 <option>
  36                         <name>Float</name>
  37                         <key>float</key>
  38                         <opt>fcn:f</opt>
  39                 </option>
  40                 <option>
  41                         <name>Int</name>
  42                         <key>int</key>
  43                         <opt>fcn:i</opt>
  44                 </option>
  45                 <option>
  46                         <name>Short</name>
  47                         <key>short</key>
  48                         <opt>fcn:s</opt>
  49                 </option>
  50                 <option>
  51                         <name>Byte</name>
  52                         <key>byte</key>
  53                         <opt>fcn:b</opt>
  54                 </option>
  55         </param>
  56         <param>
  57                 <name>Modulation</name>
  58                 <key>modulation</key>
  59                 <type>enum</type>
  60                 <option>
  61                         <name>BPSK</name>
  62                         <key>bpsk</key>
  63                 </option>
  64                 <option>
  65                         <name>QPSK</name>
  66                         <key>qpsk</key>
  67                 </option>
  68                 <option>
  69                         <name>8PSK</name>
  70                         <key>8psk</key>
  71                 </option>
  72                 <option>
  73                         <name>QAM8</name>
  74                         <key>qam8</key>
  75                 </option>
  76                 <option>
  77                         <name>QAM16</name>
  78                         <key>qam16</key>
  79                 </option>
  80                 <option>
  81                         <name>QAM64</name>
  82                         <key>qam64</key>
  83                 </option>
  84                 <option>
  85                         <name>QAM256</name>
  86                         <key>qam256</key>
  87                 </option>
  88         </param>
  89         <param>
  90                 <name>FFT Length</name>
  91                 <key>fft_length</key>
  92                 <value>512</value>
  93                 <type>int</type>
  94         </param>
  95         <param>
  96                 <name>Occupied Tones</name>
  97                 <key>occupied_tones</key>
  98                 <value>200</value>
  99                 <type>int</type>
 100         </param>
 101         <param>
 102                 <name>Cyclic Prefix Length</name>
 103                 <key>cp_length</key>
 104                 <value>128</value>
 105                 <type>int</type>
 106         </param>
 107         <param>
 108                 <name>SNR</name>
 109                 <key>snr</key>
 110                 <value>10</value>
 111                 <type>real</type>
 112         </param>
 113         <sink>
 114                 <name>in</name>
 115                 <type>complex</type>
 116         </sink>
 117         <source>
 118                 <name>out</name>
 119                 <type>$type</type>
 120         </source>
 121         <doc>Payload Length: 0 for automatic.</doc>
 122 </block>