GSM receiver with gr-gsm and Wireshark » History » Version 1
ROQUE, Damien, 02/21/2015 01:11 AM
| 1 | 1 | ROQUE, Damien | h1. GSM receiver with gr-gsm and Wireshark |
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| 2 | 1 | ROQUE, Damien | |
| 3 | 1 | ROQUE, Damien | In this example, we use a module available at https://github.com/ptrkrysik/gr-gsm. As explained in this page, its installation can be performed thanks to PyBombs which should be already installed if you followed our [[UHD and GNURadio installation|installation guide]]. Remember to conclude the installation by @sudo ldconfig@. |
| 4 | 1 | ROQUE, Damien | |
| 5 | 1 | ROQUE, Damien | In order to use this module with USRP hardware, you should use the following GRC flowgraph. |
| 6 | 1 | ROQUE, Damien | |
| 7 | 1 | ROQUE, Damien | !airprobe_uhd.grc.png! |
| 8 | 1 | ROQUE, Damien | |
| 9 | 1 | ROQUE, Damien | Once the GRC program is launched and configured on a GSM beacon frequency, decoded data is displayed on standard output as well as on a UDP socket. Wireshark can thus be used to dissect captured frames: |
| 10 | 1 | ROQUE, Damien | <pre> |
| 11 | 1 | ROQUE, Damien | sudo wireshark -k -Y '!icmp && gsmtap' -i lo |
| 12 | 1 | ROQUE, Damien | </pre> |