This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/baseband-devel@lists.osmocom.org/.
Marten Christophe technosabby at gmail.comHi list, Is there any free time programmer or student who can takes-up my proposal Kind Regards, Maten On Wed, Apr 27, 2011 at 10:42 AM, Marten Christophe <technosabby at gmail.com> wrote: > Dear Francisco, > > I'm trying to make a cheap two way radio system using off the self > Motorola phones and USRP > > while BTS is transmitting on an ARFCN and let say TS no. X with > hopping sequence XYZ, > > now i want multiple c123 or c139 MS should be able to tune to the same > ARFCN and the TS > by this, only one teach would be broadcasting on 40 students, if any > student have any query to teacher he will use corresponding TX channel > to transmit his voice to his remote teacher , even in real class room > scenario there used to be one student used to ask question to their > teacher not all the class at the same time. > > benefit of this approach will be to use only single channel ( > ARFCN+TS) for multiple students. > not 40 channels for 40 MS so existing telcome will grant us that one > dedicated channel for free but if i ask any telecom company to provide > 40 dedicated channels they will refuse. > > I just want to tune c123 or c139 > > to my desired ARFCN, Time Slot, and Hopping sequence ( in signalling > mode) , hence i can land all 40 ME to same traffic channel. > and this is possible with sniff tool it is my understanding > > Hope this will clear my application. > > Kind Regards, > Marten > > > On Wed, Apr 27, 2011 at 5:30 AM, Francisco Guerreiro <francisg at fnop.net> wrote: >> Dear Marten, >> >> I have read your emails when you wrote them. they still do NOT explain why >> you need sniffing :-) >> >> if only you could explain in one setence what's your need for sniffing, that >> would be better than going on about poor children and NGO's :-) >> >> Cheers, >> Francisco >> >> On Tue, Apr 26, 2011 at 11:37 PM, Marten Christophe <technosabby at gmail.com> >> wrote: >>> >>> Hello Francisco, >>> >>> Pls read my mail archive in Sep and oct months on OsmocomBB mailling list >>> >>> http://lists.osmocom.org/pipermail/baseband-devel/2010-October/date.html >>> >>> >>> one of the mail from that archive pls read >>> ======Q======= >>> Hello Mr. Nordin, >>> >>> So nice of you, thanks it worked perfectly. >>> >>> >>> End Mr. Dieter , >>> Thank you alot >>> >>> No need to tell me about MOC and MTC ,i searched internet and got >>> plenty of understanding, >>> >>> well, i let me introduce you all my work here , i'm assosiated with a >>> NGO, who works for education of poor children specially >>> located to very remote sites of the devloping or under develop poor >>> countries. >>> >>> and students, have travel long distance for there schooling , you wont >>> belive that some of the villages are on mountain, end even >>> childrens have cross rivers tgrogh rope , hanging on a spin roller , >>> can you imagin the situation. >>> >>> and >>> most of the student give up their education. >>> My future plans are : >>> Hence a top Tecchnelogical and Engineering instititute and a Local top >>> IT and computer manafaturing company >>> along with my NGO, are developing a $10 note book computer, just for >>> edcational purpose , and will be distributed them for free .(60% >>> bearing the local govt.) these notebooks will be install with their 6 >>> moth curricular( one semester or term) all course material will be >>> pre-installed. >>> the fedaral goverments will also be helping in this purpose. who will >>> ask local telecommunication athourities , to provide us,at least one >>> ARFCN , without licensing fee, >>> >>> but there is no intrastucture for internet and in some villages no >>> PSTN or mobile network available >>> >>> >>> My planning here is to setup a USRP1( i have to write Matt Ettus to >>> provide it on concessional price , cause it is for charity) based BTS >>> , at each visnity of a village, which might cover near by villages >>> also. >>> >>> I know, Timing Advance and power control will challenge for me, but >>> i'll overcome the same , as far as RX part is concerned , >>> it wont be a huge problem because one village is less then 1 KM >>> redious , if USRP BTS installed in center. >>> >>> will install compal based hardware, within, notebook, pre-tuned it to >>> a fix Time slot (TS), most of the traffic will be from BTS to MS , we >>> will left only one or 2 TX slot , and will be share amoung all the >>> students in token ring fashion ( let say there is 15 students are in >>> one visnity if any on student want to ask any question to their >>> remote teachers (mostly volunteers, or Govt add) located in NGO'S head >>> office) >>> >>> all USRP's backbone pipe/link will be interconnected through RF links >>> ( a Israel based company have very cheap solution for small bandwidth >>> RF connectivity ) finally this backbone pipe/link will terminate at >>> nearest city or place where Internet facility is available. and all >>> the traffic will be routed to NGO's head quarter. >>> >>> so for this we need only 64 KB max bandwidth. that we can afford. >>> >>> thats it , by this we are able to provide secondary education even >>> children are at their home. >>> at first we thout to install a IP DSLAM but the price and copper cost >>> (to provide line to each student is so high and out of budget) >>> >>> in future i can enable GPRS functionality of compal and might able to >>> provide Internet access too, to them but we have to put higher >>> bandwidth Backbone , so its not in my list now. >>> >>> Wish me luck. >>> >>> >>> =========UQ======= >>> >>> >>> >>> >>> On Tue, Apr 26, 2011 at 10:18 PM, Francisco Guerreiro <francisg at fnop.net> >>> wrote: >>> > what do you mean by "education broadcasting" ? >>> > >>> > I don't see an "educational" aproach to GSM interception aside from >>> > listening in on people's calls :-) >>> > >>> > also, if you are not going to use it illegally, why do you need it? i >>> > don't >>> > see any "legal" ways you could use it that you can't already use with >>> > the >>> > public code. >>> > >>> > I do see the profits for private investigators and other "security" >>> > industry >>> > folks ;) >>> > >>> > Cheers, >>> > Francisco >>> > >>> > On Tue, Apr 26, 2011 at 9:16 PM, Marten Christophe >>> > <technosabby at gmail.com> >>> > wrote: >>> >> >>> >> Dear all on the List, >>> >> >>> >> I am really serious to get that sniff code developed, please tell me >>> >> you fee for development, and reasonable fee >>> >> that I must be able to pay I will give you guarantee that i will not >>> >> use sniff code or any illegal purpose any where in the world nor >>> >> disclose it >>> >> to some one else if you want you can give it under strict license >>> >> agreement. >>> >> >>> >> conditions: I will use it for my project for education broadcasting >>> >> 2) I will not disclose or distribute to third party >>> >> or entity or person. >>> >> >>> >> you can mention it to your license agreement. >>> >> >>> >> >>> >> Kind Regards, >>> >> Marten. >>> >> >>> >> >>> >> >>> >> >>> >> On Tue, Apr 26, 2011 at 5:24 PM, Sylvain Munaut <246tnt at gmail.com> >>> >> wrote: >>> >> > Hi, >>> >> > >>> >> > >>> >> >> I would like you to decide your remunerations /expanses/ development >>> >> >> fees. >>> >> > >>> >> > Sure thing ... >>> >> > >>> >> > Take a standard chess board ( 8 x 8 ), place 1$ (USD) on the first >>> >> > case, then 2$ on the second, then 4$ on the third, etc ... (double >>> >> > for >>> >> > each case). Do this for all the cases on the chess board and then >>> >> > send >>> >> > that to me and I'll give you a sniffer. >>> >> > >>> >> > Cheers, >>> >> > >>> >> > Sylvain >>> >> > >>> >> > --------------------------------------------------------------------- >>> >> > To unsubscribe, e-mail: main-unsubscribe at lists.airprobe.org >>> >> > For additional commands, e-mail: main-help at lists.airprobe.org >>> >> > >>> >> > >>> >> >>> > >>> > >> >> >