Measuring signal

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Sylvain Munaut 246tnt at gmail.com
Wed Jun 23 08:06:26 UTC 2010


Hi,

> I'm reading the book "Die GSM-Dm-Kanäle im Dialog" by Joachim Göller,
> and I learned, that a mobile phone sends, about every second, a
> MEASUREMENT REPORT to the station, where it is logged.
> In this report the mobile sends the signal power of the cell, where
> it is logged, and of other neighborhood cells.
> With these signals, I can measure the distance of the mobile from my
> cell(s).
>
> But I don't understand how can I get this values using OpenBSC.

It only does that when in an active dedicated channel (either a call
or a sms or some other transaction).
If you enable the debug for the DMEAS (either in the console or with
the -d option), you should see those reports.

Also, it sends reports only for neighbor cell of your network (as
specified in the BCCH SI messages).

Cheers,


   Sylvain




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