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diff --git a/README.md b/README.md new file mode 100644 index 0000000..ccbf301 --- /dev/null +++ b/README.md @@ -0,0 +1,36 @@ +# CelNetMon - Cellular Network Monitor +A cellular network signal quality monitoring utility. Written to be used during my thesis work. + +Uses the BG96 chip with AT commands, connected through GPIO and serial pins of a Linux machine. Should be easy to adapt the code to other devices using AT commands. + +Requires `libgpiod`. Compiled and tested with Clang 11.0.1 aarch64. + +## Compiling +CMake is used in development. For development, `celnetmon` target can be used to work in the build folder. For release, `install` target creates and puts the executable in `./bin`. + +## Usage +Make sure to create a `celnetmon.cfg` config file in the same folder with the executable. An example `celnetmon.cfg.example` is included in the repo. + +- `celnetmon --init` +Powers the BG96 chip on, initiates the GNSS system, configures and connects to the network. + +- `celnetmon --publish` +Collects network telemetry and GNSS location, publishes the data to the specified MQTT server in the config file. + +- `celnetmon --stop` +Powers the chip down. + +> [!NOTE] +> A-GPS technologies are not implemented. For that reason, GNSS takes some time to establish. + +Telemetry data that is collected are: +- Network operator name +- Roaming status +- Tracking area code +- Cell ID +- Technology +- Band +- Channel +- Network Time +- GPS location +- Signal quality indicators (BER, RSRP, RSRQ, RSSI, SINR)
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