Jeon, Also check out http://wp.me/p55sJw-2v software based half duplex burst PSK modem which can operate using a single USRP, file loopback, or other SDR -Tim
On 06/30/2015 09:30 AM, Jeon wrote: > Hello, GNU Radio users, > > Very long time ago, USRP 1 was not suitable for half-duplex > communications because USB 2.0 interface is too slow to achieve it. > But now, there are USRP embedded and gigabit ethernet supporting USRP > series. > In my opinion, thus, half-duplex communications might be achievable > nowadays. > > I am curious that there is a project which implements half-duplex > communications. > If there is, how many USRPs, daughterboards and antennas are used for > each node? > Can I find such a project in pybombs? > > In my guess, a half-duplex communication application can be built from > both USRP sink and source being placed in one flow graph. > But I have no idea of the rest of the flow graph. Should the flow > graph open loop or closed loop? > Is there a special configuration or tweak on USRP or GNU Radio > required to achieve half-duplex communications? > > I apologize if my question sounds quite vague. > > Regards, > Jeon. > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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