Impact of DFE on Soft-Input LDPC Decoding for 50G PON

Amitkumar Mahadevan,Yannick Lefevre,Wouter Lanneer,Paul Cautereels,Doutje van Veen,Noriaki Kaneda,Vincent Houtsma

Impact of DFE on Soft-Input LDPC Decoding for 50G PON

2021

Amitkumar Mahadevan
Yannick Lefevre
Wouter Lanneer
Paul Cautereels
Doutje van Veen
Noriaki Kaneda
Vincent Houtsma

DFE induced error correlation and mutual information (MI) degradation penalize the 50G PON LDPC code soft-input decoding performance. Bit-interleaving across multiple codewords mitigates the correlated error penalty, but not the MI degradation penalty.

Keywords:

Interference (wave propagation)
Decoding methods
Mutual information
degradation
Algorithm
Computer science
Bit error rate
Low-density parity-check code
ldpc decoding
Passive optical network

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