Multiplication-Free Equalization Schemes for 244-Gbps PAM-4 Transmission.

Fei Xie,Xiaoqian Huang,Shuangyue Liu,Du Tang,Zhengkang Wang,Yaojun Qiao

Optical Fiber Communications Conference and Exhibition（2024）

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Abstract

We propose a multiplication-free equalization scheme using cluster-assisting lookup tables (CLUT). Results demonstrate an 11-order table size reduction compared to traditional LUTs, incurring only a 0.2-dB penalty.

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Key words

Level Scheme,PAM4 Transmission,Lookup Table,Analog-to-digital Converter,Bit Error Rate,Digital Signal Processing,Forward Error Correction,Finite Impulse Response,Bit Error Rate Performance,Inter-symbol Interference,High-speed Transmission,Mach-Zehnder Modulator,Optical Bandpass Filter,Variable Optical Attenuator

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