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How DSP is packing systematic and parity bit in TCP

Pankaj Choudhary
Prodigy 140 points

Hi

I am little bit confuse in how DSP is packing systematic and parity data to TCP.

For ex :

Int32 *data_in // data is coming form upper layer to DSP

Int32 syspar[] = {.........................}; // a buffer that store systematic and parity data.

My question is

1. Systematic and parity bit is coming form upper layer to DSP then DSP update some register to systematic and parity bit and send to TCP. or, DSP generate some random number for systematic and parity bit then send to TCP.

2. DSP is adding systematic or parity bit into first or last.

3. What is the exact format of systematic and parity bit with respect to data_in(which I declared above).

4. We are sending frame by frame data to TCP. So, in the frame, where systematic and parity data stored. In first or last

Kindly please anyone help me.

Regards

Pankaj Choudhary