A gradient-descent decoder for real-number LDPC codes is reported to outperform GDBF at rates 1/2 and 2/3, with comparable performance at 3/4.
Class of majority decodable real-number codes,
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Iterative Gradient Descent Decoding for Real Number LDPC Codes
A gradient-descent decoder for real-number LDPC codes is reported to outperform GDBF at rates 1/2 and 2/3, with comparable performance at 3/4.