On Fri, Jan 1, 2016 at 3:17 AM, Hitesh Kasera <[email protected]> wrote:
> Hi everyone, > > I am trying to use ccsds 27 encoder-decoder to transmit some data. The > decoded data is not same as transmitted. As a source i am transmitting ones > and zeros but after decoding sometimes i am receiving values which are > greater than 1. i am not able to recognize where am i going wrong. if > anyone has any idea please tell me. i have attached both grc file and png > image of my flow graph. > > Best Regards, > Hitesh > Changing the problem a bit, I'd recommend moving away from the CCSDS encoder/decoder blocks and using the FEC API blocks, instead. See: http://gnuradio.org/doc/doxygen/page_fec.html The CC Encoder and CC Decoder are basically the CCSDS codes (you might have to swap the two polynomials; I always forget off the top of my head which is called which code here). Tom
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