Parallel Decoders of Polar Codes
Bin Li, Hui Shen, and David Tse
TL;DR
This paper introduces parallel decoding architectures for polar codes, significantly increasing decoding speed while maintaining similar error-rate performance to traditional methods.
Contribution
It proposes parallel SC and SC-List decoders for polar codes, enabling M times faster decoding with minimal performance loss.
Findings
Parallel decoders achieve M times faster decoding speed.
Error-rate performance is comparable to non-parallel decoders.
Simulation results confirm efficiency and effectiveness.
Abstract
In this letter, we propose parallel SC (Successive Cancellation) decoder and parallel SC-List decoder for polar codes. The parallel decoder is composed of M=2^m(m>=1) component decoders working in parallel and each component decoder decodes a Polar code of a block size of 1/M of the original Polar code. Therefore the parallel decoder has M times faster decoding speed. Our simulation results show that the parallel decoder has almost the same error-rate performance as the conventional non-parallel decoder.
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Taxonomy
TopicsError Correcting Code Techniques · Coding theory and cryptography · Advanced Wireless Communication Techniques