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cs.IT2022
Low-Resolution Horizontal and Vertical Layered Mutual Information Maximizing LDPC Decoding
Philipp Mohr, Gerhard Bauch
We investigate iterative low-resolution message-passing algorithms for quasi-cyclic LDPC codes with horizontal and vertical layered schedules. Coarse quantization and layered sched…
cs.IT2022
A Variable Node Design with Check Node Aware Quantization Leveraging 2-Bit LDPC Decoding
Philipp Mohr, Gerhard Bauch
For improving coarsely quantized decoding of LDPC codes, we propose a check node aware design of the variable node update. In contrast to previous works, we optimize the variable n…
cs.IT2022
Uniform vs. Non-Uniform Coarse Quantization in Mutual Information Maximizing LDPC Decoding
Philipp Mohr, Gerhard Bauch
Recently, low-resolution LDPC decoders have been introduced that perform mutual information maximizing signal processing. However, the optimal quantization in variable and check no…