can any one please define Decode and forward for me?every text writes that in decode and forward, the node decodes,re-encodes and then forwards the signal. i want to know what exactly is meant by "decode" here. does it mean hard decisioning?soft decisioning? or channel decoding? i m really confused. thanks in advance.
as of my understanding, if u use channel coding(convolutional or block codes) it is catagorized as coded cooperation. while using the decisioning is termed as decode and forward(sometimes these are cotagorized as Detect and Forward protocols).
Coded cooperation is a form of Decode-and-Forward.
Each user cooperating user, after decoding other users' information, sends parity bits of the information sent by its partner/cooperating user.
paper:
Todd E Hunter
"Cooperation Diversity through Coding"