In a "pure" layered system, the physical layer just transports a stream
of bits. It knows nothing of the framing or packetization of the upper
layers (Link, Transport, etc). It is the job of those upper layers to
find and align to whatever frame sync or packet header they are using
(Rx), as we
Hi,
I created a flow graph as shown in the attachment. It was modified based on
gr-digital/examples/ofdm_tx.grc. I added LDPC encoding for error correction,
but I have some problems. There are two places where data is lost.
1. If the length of my sent data is 822 bits, LDPC codeword n=8, k=4, rat
