28 lines
877 B
XML
28 lines
877 B
XML
<?xml version="1.0"?>
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<block>
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<name>FCCH bursts detector</name>
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<key>gsm_fcch_detector</key>
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<import>import grgsm</import>
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<make>grgsm.fcch_detector($OSR)</make>
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<callback>set_OSR($OSR)</callback>
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<param>
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<name>OverSamplingRatio</name>
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<key>OSR</key>
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<value>4</value>
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<type>int</type>
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</param>
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<sink>
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<name>in</name>
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<type>complex</type>
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<vlen>1</vlen>
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</sink>
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<source>
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<name>out</name>
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<type>complex</type>
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<vlen>1</vlen>
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</source>
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<doc>Piotr Krysik
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Detects positions of FCCH bursts. At the end of each detected FCCH burst adds to the stream a tag with key "fcch" and value which is a frequency offset estimate. The input sampling frequency should be integer multiply of GSM GMKS symbol rate - 1625000/6 Hz.</doc>
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<grc_source>/home/piotr/Odbiornik_gsm/gr-gsm/examples/gsm_fcch_detector.grc</grc_source>
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</block>
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