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Neural successive cancellation polar decoder with tanh-based modified LLR over FSO turbulence channel
IEEE Photonics Journal
The neural successive cancellation (NSC) decoder with tanh-based modified loglikelihood ratio (LLR) is proposed for reducing the decoding latency of polar codes over free space optical (FSO) turbulence channel. The conventional successive cancellation (SC) decoder is partitioned into multiple sub-blocks, which are replaced by multiple sub neural network (NN) decoders with tanh-based modified LLR. The recursive characteristic of the polar sequences reliability ranking given in 5G standarddoi:10.1109/jphot.2020.3030618 fatcat:5kdpfez6afb3nmj5gvcocvvf7i