| Vasil Velichkov | 14ea82d | 2019-08-28 18:46:34 +0000 | [diff] [blame] | 1 | # auto-generated by grc.converter |
| 2 | |
| 3 | id: gsm_fcch_detector |
| 4 | label: FCCH Bursts Detector |
| 5 | |
| 6 | parameters: |
| 7 | - id: OSR |
| 8 | label: OverSamplingRatio |
| 9 | dtype: int |
| 10 | default: '4' |
| 11 | |
| 12 | inputs: |
| 13 | - domain: stream |
| 14 | dtype: complex |
| 15 | vlen: 1 |
| 16 | |
| 17 | outputs: |
| 18 | - domain: stream |
| 19 | dtype: complex |
| 20 | vlen: 1 |
| 21 | |
| 22 | templates: |
| 23 | imports: import grgsm |
| 24 | make: grgsm.fcch_detector(${OSR}) |
| 25 | callbacks: |
| 26 | - set_OSR(${OSR}) |
| 27 | |
| 28 | documentation: |- |
| 29 | Piotr Krysik |
| 30 | 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. |
| 31 | |
| 32 | file_format: 1 |