[Discuss-gnuradio] Using a Framer and a Correlator??

[w w]

I'm adapting the Digital Bert example to pass data in a loopback.   I'm trying to set a framer and a correlator to take a text file and break it up in packets and then transmit it to the other side and write it to a text file.   The following are the blocks of my flow graph.   Any suggestions or thoughts?

 

FileSource(text file)->simpleFramer->Scrambler->ChunksToSym->RRC filter->constellationDecoder->descramble->simpleCorrelator->FileSink(text file)

 

 

 

The following is known to work:

 

 

RandomSource->Scrambler->C2S->RRC filter->constellationDecoder->descramble->simpleCorrelator-|

                       |                                                                                                                           |_____>|

                       |                                                                                                                                       |  Error Rate ~ 0%

                       |____________________________________________________________________________>|