Constellation Independent Look-up Table Enabled Digital Predistortion for Digital-Analog Radio-over-Fiber System

Autor: Xiaobo Zeng, Yixiao Zhu, Yicheng Xu, Mengfan Fu, Hexun Jiang, Lilin Yi, Weisheng Hu, Qunbi Zhuge
Rok vydání: 2023
Zdroj: 2023 Optical Fiber Communications Conference and Exhibition (OFC).
DOI: 10.23919/ofc49934.2023.10117187
Popis: A constellation independent look-up table (LUT) method for transceiver nonlinearity predistortion in digital-analog radio-over-fiber system is proposed and experimentally demonstrated, achieving a SNR gain of 1.04dB. The table size can be reduced to 0.3% of the conventional LUT.
Databáze: OpenAIRE