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

no code implementations • 17 Nov 2021 • Linfang Wang, Caleb Terrill, Maximilian Stark, Zongwang Li, Sean Chen, Chester Hulse, Calvin Kuo, Richard Wesel, Gerhard Bauch, Rekha Pitchumani

RCQ facilitates dynamic non-uniform quantization to achieve good frame error rate (FER) performance with very low message precision.

Decoder Quantization

FPGA Implementations of Layered MinSum LDPC Decoders Using RCQ Message Passing

no code implementations • 19 Apr 2021 • Caleb Terrill, Linfang Wang, Sean Chen, Chester Hulse, Calvin Kuo, Richard Wesel, Dariush Divsalar

Non-uniform message quantization techniques such as reconstruction-computation-quantization (RCQ) improve error-correction performance and decrease hardware complexity of low-density parity-check (LDPC) decoders that use a flooding schedule.

Decoder Quantization