Low-Complexity Multi-tap ET-DFE-PU for Soft-Input FEC in High-Speed IM/DD systems

Xue Zhao,Jiahao Zhou,Jing Zhang,Rui Wang, Zhengyu Ma,Shaohua Hu,Bo Xu,Kun Qiu

2024 Optical Fiber Communications Conference and Exhibition (OFC)（2024）

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摘要

We propose a low-complexity multi-tap LUT-based ET-DFE-PU algorithm to alleviate the degradation on LLR by error propagation. The experimental results show that the proposed algorithm can achieve 3.4-dB receiver sensitivity improvement compared with conventional DFE.

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关键词

Forward Error Correction,Likelihood Ratio Test,Error Propagation,Receiver Sensitivity,Probability Density Function,Internet Of Things,Additive Noise,Transition Probabilities,Optical Power,Bit Error Rate,Arbitrary Waveform Generator,Inter-symbol Interference,Transimpedance Amplifier,High-speed Transmission,Mach-Zehnder Modulator,Variable Optical Attenuator,Real-time Oscilloscope

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