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Alexander Chemeris alexander.chemeris at gmail.comHi, I wonder could we use a channel simulator to test a BTS instead of the handset? Then it will be very valuable. On Thu, Oct 4, 2012 at 4:38 PM, Andrew Back <andrew at carrierdetect.com> wrote: > Hello, > > I've picked up what appears to be most of a Rohde & Schwarz TS8916B > GSM Type Approval system (CRTC02 equipment, a Sofimation SOFI05 radio > channel/fading simulator and various RF switching) and wondered if it > may be of use in testing the baseband. Or can everything we would want > to test be done using simple MS test equipment and/or a BTS with > OpenBSC? > > I did also wonder whether it would be possible to use this to try and > achieve type approval, but realise that even if the rest of the > hardware could be gathered together it would be a huge learning curve > and even then maybe you have to be accredited/authorised for TA (or > other challenges would prevent this). In any case, I thought it worth > asking the question before it is split up. > > Regards, > > Andrew > > PS. Some photos are at: > > http://www.flickr.com/photos/carrierdetect/sets/72157631692365280/with/8054445310/ > > The digital units are PCs running DOS and tests are written in C and > compiled to run on DSP boards (2x TX + 2x RX per CRTC02 digital unit) > which drive the attached analogue units. GPIB is used for control > between these and to also control the SOFI, RF switches and other > equipment that is missing (a signal generator and a second SOFI at > least). > > -- > Andrew Back > http://carrierdetect.com > -- Regards, Alexander Chemeris. CEO, Fairwaves LLC / ООО УмРадио http://fairwaves.ru