[A51] Osmocom options and workflow
niceguy108 at gmail.com
Fri Aug 31 11:08:19 CEST 2012
I've been studying the OsmocomBB documentation, but cannot find any clear
mechanism for interfacing with Kraken. Can you give some guidelines, or is
there any article that I have missed?
----- Original Message -----
From: "Karsten Nohl" <nohl at virginia.edu>
To: "A51 List" <a51 at lists.reflextor.com>
Sent: Friday, August 31, 2012 11:37 AM
Subject: Re: [A51] Osmocom options and workflow
> On Aug 31, 2012, at 7:23 , Bhaskar11 wrote:
>> Thanks for your prompt reply.
>> If I understand right, earlier the workflow used to be:
>> USRP -> GNURadio ->Airprobe (Parse) -> Kraken -> Airprobe (decode)
>> Now the workflow is:
>> MotorolaC1xx -> OsmocomBB -> Airprobe (Parse) -> Kraken -> Airprobe
> Osmocom can do everything that Airprobe does, so Airprobe is not needed
>> Can you please confirm or correct.
>> I've read the Osmocom/Sysmocom documentation, but could not figure out
>> what is the best phone option on Sysmocom shop for my use:
>> Do I need the Motorola C1xx with filter rework?
> Not necessarily. Filter removed helps you sniff the uplink communication
> from a larger distance. Downlink is much more interesting for the
> beginning, though.
>> Do I need C1xx with Calypso chipset?
> All Osmocom-capable phones, incl. C1xx, are built around a Calpso chip.
>> It will be very helpful if you can suggest.
>> ----- Original Message -----
>> From: "Karsten Nohl" <nohl at virginia.edu>
>> To: "A51 List" <a51 at lists.reflextor.com>
>> Sent: Thursday, August 30, 2012 5:06 PM
>> Subject: Re: [A51] Advice needed for Ettus Hardware
>> > Hi there,
>> > There has been little development of GSM tools for USRP the past two
>> > years. The USRP 1 and 2 (and possibly others supported by GnuRadio) can
>> > intercept a few adjacent GSM channels and - using the Airprobe tools -
>> > decode some of this data.
>> > The same capabilities can be had with a handful of Osmocom-capable
>> > handsets at a fraction of the price (ie, at the sysmocom web shop). All
>> > recent development of tools has concentrated on the Osmocom platform.
>> > One exception may be BTS emulators with OpenBTS - the most popular -
>> > still running on USRP (or custom hardware by RangeNetworks). Sylvain
>> > Munaut already showed the possibility of using an Osmocom phone as a
>> > base station, though, so this may become available at some point.
>> > Cheers,
>> > -Karsten
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