LDPC Coded Modulation with Probabilistic Shaping for Optical Fiber Systems
Tobias Fehenberger, Georg B\"ocherer, Alex Alvarado, Norbert Hanik
TL;DR
This paper proposes an LDPC coded modulation scheme with probabilistic shaping and optimized components, demonstrating an 8% increase in transmission distance for optical fiber systems through full-field simulations.
Contribution
It introduces a novel LDPC coded modulation approach with probabilistic shaping, optimized interleavers, and noniterative demapping for improved optical fiber transmission.
Findings
8% increase in transmission distance
Effective probabilistic shaping improves performance
Optimized interleavers enhance system efficiency
Abstract
An LDPC coded modulation scheme with probabilistic shaping, optimized interleavers and noniterative demapping is proposed. Full-field simulations show an increase in transmission distance by 8% compared to uniformly distributed input.
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