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-rw-r--r--gr-digital/grc/digital_ofdm_cyclic_prefixer.xml20
1 files changed, 17 insertions, 3 deletions
diff --git a/gr-digital/grc/digital_ofdm_cyclic_prefixer.xml b/gr-digital/grc/digital_ofdm_cyclic_prefixer.xml
index d5e5d38940..80bf339cbe 100644
--- a/gr-digital/grc/digital_ofdm_cyclic_prefixer.xml
+++ b/gr-digital/grc/digital_ofdm_cyclic_prefixer.xml
@@ -29,17 +29,31 @@
<name>OFDM Cyclic Prefixer</name>
<key>digital_ofdm_cyclic_prefixer</key>
<import>from gnuradio import digital</import>
- <make>digital.ofdm_cyclic_prefixer($input_size, $output_size)</make>
+ <make>digital.ofdm_cyclic_prefixer($input_size, $output_size, $rolloff, $tagname)</make>
<param>
- <name>Input Size</name>
+ <name>FFT Length</name>
<key>input_size</key>
+ <value>fft_len</value>
<type>int</type>
</param>
<param>
- <name>Output Size</name>
+ <name>Output Size (FFT length + CP length)</name>
<key>output_size</key>
+ <value>fft_len+fft_len/4</value>
<type>int</type>
</param>
+ <param>
+ <name>Rolloff</name>
+ <key>rolloff</key>
+ <value>0</value>
+ <type>int</type>
+ </param>
+ <param>
+ <name>Length Tag Key</name>
+ <key>tagname</key>
+ <value>"frame_len"</value>
+ <type>string</type>
+ </param>
<sink>
<name>in</name>
<type>complex</type>