Hi people, Can anybody give me his/her impression about my problem detailed bellow? I would really appreciate it
Regards, Jorge On 6 December 2010 21:17, Jorge Miguel <[email protected]> wrote: > Dear all, > > I would like to build an application that: > > Between T0 and T1: Transmit my wave > Between T2 and T3: Receive data > Between T4 and T5 Transmit my wave > Between T6 and T7 Receive data > .... > Where Tx should be totally defined and controlled (from the minimum > possible value to any other value) > > Hardware: ONE USRP2 + ONE XCVR2450 daughterboard (which is half-duplex) > Software: Ubuntu 10.10 + (??) > > Since the board is half-duplex, I am only worried about switching the > XCVR2450 between transmission and reception in the same model and as fast as > possible. > Is it possible to do it straightforward in any software platform? From what > I learn from my experience and experience of mailing list users: > > 1) GNU Radio: Aimed at a streaming model as well. > I read some information about valve blocks. I use them but I couldn't go > further than 200-300ms from T1 to T2 (being my transmitted wave a short > pulse). > Is there anything else than can be done? > > Is it possible to write a C++ block that performs the switching? How? > > 2) UHD: There are ways to send and receive finite numbers of samples > because of the use of timestamps. Is it my solution? What could be the > switching time? > > If under any of these software platforms my application can be built, what > is the minimum expected time since the stop of the transmission to the start > of the reception? > > Can anybody give some tip? > > Many thanks, > Jorge. >
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