Parallel Decoders of Polar Codes

Understand

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.