| piotr | 6b78abc | 2014-07-08 23:29:13 +0200 | [diff] [blame] | 1 | <?xml version="1.0"?> |
| 2 | <block> |
| piotr | 14d942c | 2014-07-20 23:50:59 +0200 | [diff] [blame] | 3 | <name>FCCH bursts detector</name> |
| piotr | 6b78abc | 2014-07-08 23:29:13 +0200 | [diff] [blame] | 4 | <key>gsm_fcch_detector</key> |
| 5 | <category>GSM</category> |
| 6 | <import>import gsm</import> |
| 7 | <make>gsm.fcch_detector($OSR)</make> |
| 8 | <callback>set_OSR($OSR)</callback> |
| 9 | <param> |
| 10 | <name>OverSamplingRatio</name> |
| 11 | <key>OSR</key> |
| 12 | <value>4</value> |
| piotr | 2922178 | 2014-07-20 23:51:55 +0200 | [diff] [blame^] | 13 | <type>int</type> |
| piotr | 6b78abc | 2014-07-08 23:29:13 +0200 | [diff] [blame] | 14 | </param> |
| 15 | <sink> |
| 16 | <name>in</name> |
| 17 | <type>complex</type> |
| 18 | <vlen>1</vlen> |
| 19 | </sink> |
| 20 | <source> |
| 21 | <name>out</name> |
| 22 | <type>complex</type> |
| 23 | <vlen>1</vlen> |
| 24 | </source> |
| 25 | <doc>Piotr Krysik |
| 26 | 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> |
| 27 | <grc_source>/home/piotr/Odbiornik_gsm/gr-gsm/examples/gsm_fcch_detector.grc</grc_source> |
| 28 | </block> |