<block> <name>OFDM Mod 2</name> <key>digital_ofdm_mod2</key> <category>OFDM</category> <import>from gnuradio import digital</import> <make>digital.ofdm_mod2(fft_len=$fft_len, cp_len=$cp_len, length_tag_name=$length_tag_name, occupied_carriers=$occupied_carriers, pilot_carriers=$pilot_carriers, pilot_symbols=$pilot_symbols, sync_sequence=$sync_sequence, ) </make> <param> <name>Cyclic Prefix Length</name> <key>cp_len</key> <value>16</value> <type>int</type> </param> <param> <name>FFT Length</name> <key>fft_len</key> <value>64</value> <type>int</type> </param> <param> <name>Length Tag Name</name> <key>length_tag_name</key> <value>length</value> <type>string</type> </param> <param> <name>Occupied Carriers</name> <key>occupied_carriers</key> <value>(range(1, 27) + range(38, 64),)</value> <type>raw</type> </param> <param> <name>Pilot Carriers</name> <key>pilot_carriers</key> <value>((0,),)</value> <type>raw</type> </param> <param> <name>Pilot Symbols</name> <key>pilot_symbols</key> <value>((100,),)</value> <type>raw</type> </param> <param> <name>Synchronization Sequence</name> <key>sync_sequence</key> <value>None</value> <type>raw</type> </param> <sink> <name>in</name> <type>byte</type> </sink> <source> <name>out</name> <type>complex</type> </source> </block>