[Discuss-gnuradio] Digital Loopback

[w w]

I was wondering if some one can tell me the correct blocks or sequence to do a digital loopback with no USRP where I can take a text file and transmit to another file at the distance end.   I've done this with a packet encoder and decoder but would like to build it out of more basic blocks.   The following is the chain I have now.  Any Suggestions?

 

File Source (text file)->simpleFramer->charToFloat->simpleCorrelator->UnpackedtoPack->PackedotUnpacked->charToFloat->SimpleCorrelator->SimpleFramer->FileSink(textfile)