Asymptotic Distribution of Multilevel Channel Polarization for a Certain Class of Erasure Channels.
This study examines multilevel channel polarization for a certain class of erasure channels that the input alphabet size is an arbitrary composite number. We derive limiting proportions of partially noiseless channels for such a class. The results of this study are proved by an argument of convergent sequences, inspired by Alsan and Telatar's simple proof of polarization, and without martingale convergence theorems for polarization process.
Publisher URL: http://arxiv.org/abs/1801.04422
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