Selectively Precoded Polar Codes

11/10/2020

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by   Samir Kumar Mishra, et al.

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In this paper, we propose selectively precoded polar (SPP) code, built on top of Arikan's capacity achieving polar codes. We provide the encoding and decoding scheme for SPP code. Simulation results show that for a target frame erasure rate (FER) of 10^-5, a (128, 64) SPP code is just 0.23 dB away from the information theoretic limit at this blocklength. Further, it is also shown that such codes possess better distance properties compared to other contemporary polar code variants.