학술논문

High Spectral Efficiency Transmission with Probabilistic Shaping
Document Type
Conference
Source
2017 European Conference on Optical Communication (ECOC) Optical Communication (ECOC), 2017 European Conference on. :1-3 Sep, 2017
Subject
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Signal Processing and Analysis
Quadrature amplitude modulation
Probabilistic logic
Spectral efficiency
Entropy
Multiplexing
Shape
Language
Abstract
We discuss the concept of probabilistic shaping (PS) of constellations, and show that PS allows for flexibly tunable spectral efficiencies at improved transmission performance. We review the application of PS in long-haul laboratory and submarine field experiments.