Iterative noncoherent block detection of coded MPSK for cooperative relay systems
Maximum likelihood (ML) noncoherent block detection techniques are investigated for block coded MPSK modulation in cooperative decode and forward relay systems over slow fading channels. A decision directed iterative Viterbi algorithm (IVA) is derived for a suboptimal ML noncoherent detection. Simulation results show that the IVA can approach the error performances of the exhaustive detection method but at a lower complexity.
China Communications