Re: [Openbts-discuss] Handover in OpenBTS

[Meny S. <sid...@gm...>]

Hello again guys- two small follow up question:
-is it possible to perform handover from 3G to 2G? (in our case- to force
cellulars to connect to OpenBTS GSM network)
-is there a comfortable way to detect ARFCN of nearby phones using SDR?
without checking the phone itself.

Thanks!
Meny


2016-05-21 22:35 GMT+03:00 Meny Sidar <sid...@gm...>:

> Thank you very much for your comments!
> I will try this in the next few days.
>
> Meny
> On 21 May 2016 22:27, "Dmitri Soloviev" <ds...@fl...> wrote:
>
>> sorry, a slip of keayboard - CELL ID must be different!
>>
>> *Dmitri Soloviev*, PhD
>>
>>
>> Chief Technology Officer
>>
>> www.flexatel.com
>> ds...@fl...
>> Office: +1 650 964-1101
>> Fax: +1 650 964-3353
>> Mobile: +7 925 838-5193
>> Skype: dmisol
>>
>> On Sat, May 21, 2016 at 10:26 PM, Dmitri Soloviev <ds...@fl...>
>> wrote:
>>
>>> Hi
>>>
>>> Let me extend it:
>>> - neighbour ARFCN list
>>> - system-level support: by the end of the day, HO command should be
>>> fired to a handset, and the target ARFCN should detect HO access from a
>>> mobile (RACH-like burst with single-byte HO identifier at desired timeslot)
>>> - in general, LAC can be the same - in "grown up" systems it identifies
>>> paging area, thus a place for LU when changed. CELL ID must be the same,
>>> for sure
>>>
>>> This page is outdated now, but GSM remains..
>>> https://wush.net/trac/rangepublic/wiki/Handover
>>>
>>>
>>> Rgds,
>>>
>>> *Dmitri Soloviev*, PhD
>>>
>>>
>>> Chief Technology Officer
>>>
>>> www.flexatel.com
>>> ds...@fl...
>>> Office: +1 650 964-1101
>>> Fax: +1 650 964-3353
>>> Mobile: +7 925 838-5193
>>> Skype: dmisol
>>>
>>> On Sat, May 21, 2016 at 8:36 AM, Max Parker <pr...@gm...> wrote:
>>>
>>>> Hi
>>>> you should set up the next parameters:
>>>> - GSM band, C0 (arfcn) , MNC and MCC must be the same to the legit
>>>> network
>>>> - LAC must be different.
>>>> - your network must be more powerful
>>>> good luck
>>>>
>>>> --
>>>> Sincerely,
>>>>
>>>> Max Parker
>>>> +972 52-587-1009
>>>>
>>>> > On 17 May 2016, at 11:15, Meny Sidar <sid...@gm...> wrote:
>>>> >
>>>> > Hi guys,
>>>> >
>>>> > I want to try and perform handover from a phone which is registered
>>>> to a "legit" network to my BTS network.
>>>> > Is it possible to make that forced handover in OpenBTS software?
>>>> > if it is, could you help me get it started?
>>>> > found a lot of material online, mostly theoretical. couldn't really
>>>> do anything myself..
>>>> >
>>>> > Have to point out that this is just for research purposes for my
>>>> university,
>>>> > nothing illegal...
>>>> >
>>>> > Thanks a lot!
>>>> > Meny Sidar
>>>> >
>>>> ------------------------------------------------------------------------------
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>>>> ------------------------------------------------------------------------------
>>>> Mobile security can be enabling, not merely restricting. Employees who
>>>> bring their own devices (BYOD) to work are irked by the imposition of
>>>> MDM
>>>> restrictions. Mobile Device Manager Plus allows you to control only the
>>>> apps on BYO-devices by containerizing them, leaving personal data
>>>> untouched!
>>>> https://ad.doubleclick.net/ddm/clk/304595813;131938128;j
>>>> _______________________________________________
>>>> Openbts-discuss mailing list
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>>>
>>>
>>