Modelling and performance evaluation of alien crosstalk mitigation in DMT transmissions
Digital Signal Processing(2019)
摘要
G.fast is one of the most recent DSL system standardized by ITU. It aims to achieve transmission rates of the order of Gbps over short loops, using bandwidth of 106 MHz or 212 MHz. Owing to its large bandwidth, the G.fast is susceptible to interference from a wide range of sources, one of the most damaging being alien crosstalk. This study provides a set of formulations that help the researchers of alien crosstalk mitigation methods to have a better understanding of the behaviour of alien crosstalk, particularly with regard to the impact of the number of the alien crosstalk sources on the performance of the prediction-based alien crosstalk mitigation methods. Additionally, we have carried out a series of simulations and practical experiments to confirm the formulations outlined here.
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关键词
DSL,Interference mitigation,Correlation,Prediction
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