Sorry Xianda, I'm still not understanding completely. Is this question about a) tx_ofdm.grc, or b) not about GNU Radio?
Best regards, Marcus On 30.07.2014 17:51, xianda wrote: > > Hi Marcus: > Thank you so much.I just want to make some changes on the > example of tx_ofdm.grc.And I use the UHD not the gnuradio.But the example is > about the gnuradio.I know a packet in the example tx_ofdm.grc include a > preamble,a header,the payload and crc value.And I want to know whether need I > add start_of_burst at the beginning of every packet and add end_of_burst at > the end of every packet?Am I right? > Best regards, > xd > > > > > > At 2014-07-30 11:39:02, "Marcus Müller" <[email protected]> wrote: > Hi Xianda, > if you don't use gnuradio, this might not be the right list for you... > Anyway, I think it's possible you're confusing something. start_of_burst / > end_of burst are stream tags that are GNU Radio concepts. There is not > something like this without GNU Radio. > UHD supports timed commands, which might be close to what you need, but I > really don't understand what your question aims at. > > Greetings, > Marcus > > > On 30.07.2014 16:50, xianda wrote: > > Hi: > Thank you so much for your kindly reply.I write c++ code use the uhd not > gnuradio.So need I add start_of_burst at the beginning of every packet and > add end_of_burst at the end of every packet?Thank you. > Best regards, > xd > > > > > > > At 2014-07-30 10:05:47, "Martin Braun" <[email protected]> wrote: > > On 07/30/2014 03:59 AM, xianda wrote: > > Hi all: > I know a packet in the example tx_ofdm.grc include a preamble,a > header,the payload and crc value.Recently I have used the UHD API to > send packet.And I want to know whether the tx_ofdm.grc add > start_of_burst and end_of_burst automatically.Namely,need I add > start_of_burst at the beginning of every packet and add end_of_burst at > the end of every packet? > > usrp_sink understands tagged streams. So, the OFDM code does *not* add > EOB, but that doesn't matter if you have an up-to-date gr-uhd. > > M > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
