This is strange, I agree, but the frame detect sequence is passed into the Correlate Access Code block as a string, like: "1010101010". It is this way for historical reasons.
--n On Wed, Mar 11, 2015 at 12:26 PM, Richard Bell <[email protected]> wrote: > Hello, > > I'm trying to detect the start of a frame after demodulation. To do this, > I'm using the 'correlate access code - tag' block. I want a tag to be > placed at the end of the prbs used to frame sync so subsequent blocks can > process the packet. > > I'm attaching a screenshot of a test I'm doing with the block. I can't get > it to work. In the screenshot, I am appending a 32 bit long sync frame to > 320 bits of data for the correlate block to detect. When I make the data > all 0's, the correlate block detects nothing adding no tags to the stream. > If I make the data random, tags are added at points in the stream which are > not equal to the access code. > > What am I doing wrong or how do I use this block correctly? > > Thanks, > Rich > > _______________________________________________ > 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
