Reconstruction-Computation-Quantization (RCQ): A Paradigm for Low Bit Width LDPC Decoding

Linfang Wang,Caleb Terrill,Maximilian Stark,Zongwang Li,Sean Chen,Chester Hulse,Calvin Kuo,Richard Wesel,Gerhard Bauch,Rekha Pitchumani

IEEE Transactions on Communications（2022）

引用 8|浏览5

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摘要

This paper uses the reconstruction-computation-quantization (RCQ)paradigm to decode low-density parity-check (LDPC) codes. RCQ facilitates dynamic non-uniform quantization to achieve good frame error rate (FER) performance with very low message precision. For message-passing according to a flooding schedule, the RCQ parameters are designed by discrete density evolution. Simulation results on an IE...

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关键词

Decoding,Table lookup,Iterative decoding,Quantization (signal),Field programmable gate arrays,Hardware,Floods

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