Thank you Nick. That's what I was doing wrong. Really appreciate that. Rich
On Wed, Mar 11, 2015 at 12:29 PM, Nick Foster <[email protected]> wrote: > 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 >> >> >
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