Indeed, there is phone locator protocol, and a service offered as by some companies. They work through provider contracts. The problem is that you have to know the phone number beforehand and the carrier. Not very useful in a disaster case :(
BR, Nikos On Mon, Mar 14, 2016 at 5:50 PM, Marcus Müller <[email protected]> wrote: > True, at least unless you send them something they have to react to. > Which the phone will only do if you're the infrastructure, and usually > implies you authenticate as such[2]. Which will hence most likely only work > if the cellular providers cooperate with you. > > [...snip...] > > > > On 03/14/2016 03:54 PM, Meny Sidar wrote: > > Hi guys, > > I am currently working on a project for my university, where i'm trying to > locate cellular phones using SDR (USRP B210). > The idea of the project is to be able to find survivors/victims in > disaster areas, such as earthquakes, by assuming they have their cellular > on them. > > What i did so far, is a program that calculates and outputs in a loop the > power transmitted from a cellular phone from it's uplink channel. that can > tell me my distance to it. > problem is, that cellular phones are usually in idle mode and not > transmitting at all. > So it works, but only if the phone is currently transmitting to the > network (phone call, internet, etc..) > > I'm trying to find a solution for this, > There has to be a way of knowing that some kind of RF transmitter/receiver > is near me... > If anyone can shed some light on this subject, what can i do or if i need > to go in another way, i'll be very grateful! > right now i'm stuck. > > Thanks a lot, > Meny > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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