Mobile phone to act as RF frequency sesnor and detector

Winston Ojenge wojenge at strathmore.edu
Thu Apr 19 08:43:25 UTC 2012


On 4/19/12, Winston Ojenge <wojenge at strathmore.edu> wrote:
>
Hi Andreas,

I need to develop a model that identifies human interaction. I need to
identify the mobile phones that communicate next to a specific mobile
phone consistently. it would show the acquintances of the owner of the
specific mobile phone. The specific mobile phone should therefore be
able to sense signals from the nearby phones. those phones which
signals are always powerful must be next to it always.
I need to harvest the received signal of the specific phone. The
received signal must have been down-converted and digitized in order
to be accessible to a program that i design. The program would detect
the identity of the nearby phones and send an SMS to a control centre
for analysis. the c123 must enable me do this.


> Is my line of interest irrelevant to the OsmocomBB project? In short,
> is the project  intending to explore use of the phone for anything
> besides the conventional calling and conventional SMS. If you recall,
> my interest was to write code to enable the phone to 'sense' and
> detect signal from a remote source of few metres. I need to be able to
> write the code. Can i?
> I need a response desperately so that i stop cluttering the forum.
>
> Ojenge
>
>
>
> On 4/16/12, Andreas Eversberg <andreas at eversberg.eu> wrote:
>> Winston Ojenge wrote:
>>> Dear all,
>>> I lecture at strathmore university, Kenya, East Africa. For my PhD, i
>>> need to develop a cell-phone model that senses and recognizes a
>>> specific RF frequency from a source. It then submits the value of that
>>> frequency by SMS.
>>>
>>> Is it possible to use the OsmocomBB platform to program such a device
>>> using motorola C123?
>>>
>>> Ojenge
>>>
>>>
>>> On 4/16/12, Winston Ojenge<wojenge at strathmore.edu>  wrote:
>>>> Dear all,
>>>> I lecture at strathmore university, Kenya, East Africa. For my PhD, i
>>>> need to develop a cell-phone model that senses and recognizes a
>>>> specific RF frequency from a source. It then submits the value of that
>>>> frequency by SMS.
>>>>
>>>> Is it possible to use the OsmocomBB platform to program such a device
>>>> using motorola C123?
>>>>
>>>> Ojenge
>>>>
>> hi ojenge,
>>
>> osmocombb supports sms. you can also "sense" RF frequence, but you need
>> to add some feature to do measurement at the first plane and then send
>> the sms with the results. c123 is capable of receiving GSM downlink
>> frequencies only. you may also receive uplink and even (with
>> modifications to the firmware) receive frequencies a bit outside GSM
>> bands. in this case you need to replace filters or your signal level is
>> reduced. the osmocombb firmware is capable of measuring rx levels of
>> given frequencies while being idle on a gsm cell. what do you want to
>> "sense"?
>>
>> regards,
>>
>> andreas
>>
>>
>




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