Multi-Dimensional EXIT Analysis for Iterative Multi-User Detection with Unequal Power Allocation
A multi-dimensional extrinsic information transfer analysis of multi-power level multi-user detectors is proposed as a tool to better understand the convergence behavior of iterative decoding schemes. We develop a K dimensional EXIT chart in order to analyze a system with K power levels. We state a conjecture that predicts the convergence point of the system. We show through simulation our analysis closely matches the simulation results. The tools discussed here provides a new insight to...[Show more]
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