2024
DOI: 10.1587/transinf.2023lop0004
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Evaluating PAM-4 Data Transmission Quality Using Multi-Dimensional Mapping of Received Symbols

Yasushi YUMINAKA,
Kazuharu NAKAJIMA,
Yosuke IIJIMA

Abstract: This study investigates a two/three-dimensional (2D/3D) symbol-mapping technique that evaluates data transmission quality based on a four-level pulse-amplitude modulation (PAM-4) symbol transition. Multi-dimensional symbol transition mapping facilitates the visualization of the degree of interference (ISI). The simulation and experimental results demonstrated that the 2D symbol mapping can evaluate the PAM-4 data transmission quality degraded by ISI and visualize the equalization effect. Furthermore, potential… Show more

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