16 Jun
2009
16 Jun
'09
7:22 p.m.
Hello Andreas,
On Tue, 16 Jun 2009 15:35:13 +0200, "Andreas.Eversberg"
<Andreas.Eversberg(a)versatel.de> wrote:
i like to check out the measturement report feature of GSM. the A-bis
protocol shows measurement report indications, but i can't see any
request to turn it on. on the BCCH it is turned on, as far as i can see
in the bsc_hack.c. what do i miss? (neighbor cell frequencies?)
You need an active connection between the BTS and the MS to get the
measurement reports. The BTS will send its own results together with
the data received from the MS. If the cell has neighbor cells the
MS will also report their data (right now bsc_hack does not configure
any neighbor cells).
I am not sure if you will get the measurement reports for an active
connection by default or if they have to be turned on with a "Start
Measurement" command over OML.
also i like to get continuous informations about
timing advance. any
idea on how to retrieve these informations?
TA is included in the measurement report from the BTS. Please be aware
that a value other than 0 means that you are more than about 550 meter
away with the MS from the BTS so you cover a rather large area with
your BTS ;-)
Best regards,
Dieter
--
Dieter Spaar, Germany spaar(a)mirider.augusta.de