Re: LLR demodulator and APP decoder

Started by nammi sairamesh November 7, 2007
U can write ur own APP decoder for that using BICM
--- f...@tee.gr wrote:

> Dear colleagues,
> is there anybody that has connected a LLR
> demodulator Simulink block (i.e. QAM, QPSK) with an
> APP Decoder one? I need that to make turbo-coded
> modulation simulations with Simulink either SCCC
> turbo coder or PCCC ones. Simulink Help and Demos
> also maintain arguably that "LLR values can be used
> by Viterbi decoder" and give a few models
> respectively. Is such a connection possibly corect
> with APP decoder?
> I would appreciate your help.
> Thank you in advance.
> Fotis Foukalas
> Electrical and Computer Engineer
> Senior Researcher on Telecommunications