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Updated: May 16, 2025

Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Layered ternary message passing decoder of LDPC codes for 50G-PON
Abstract:
This Letter presents a layered ternary message passing (LTMP) decoder for the low-density parity-check (LDPC) code tailored for 50G passive optical networks (50G-PON). The proposed decoder adopts a layered architecture, and a corresponding density evolution analysis that enhances error correction performance is introduced. Additionally, we propose an optimization method for parameter combinations, which effectively achieves stronger performance. Results indicate that the LTMP decoder achieves exceptional error correction capabilities for the LDPC code in 50G-PON, even under low-precision input conditions.
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