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Paper detail

Implementation of a High-Throughput Fast-SSC Polar Decoder with Sequence Repetition Node

Even though polar codes were adopted in the latest 5G cellular standard, they still have the fundamental problem of high decoding latency. Aiming at solving this problem, a fast simplified successive cancellation (Fast-SSC) decoder based on the new class of sequence repetition (SR) nodes has been proposed recently in \cite{sr2020} and has a lower required number of time steps than other existing Fast-SSC decoders in theory. This paper focuses on the hardware implementation of this SR node-based fast-SSC (SRFSC) decoder. The implementation results for a polar code with length 1024 and code rate 1/2 show that our implementation has a throughput of $505$ Mbps on an Altera Stratix IV FPGA, which is 17.9% higher with respect to the previous work.

preprint2020arXivOpen access
Haotian ZhengAlexios Balatsoukas-StimmingZizheng CaoTon Koonen
math.ITInformation Theory
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Haotian ZhengAlexios Balatsoukas-StimmingZizheng CaoTon Koonen

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