滤波器组调制技术及其在ADSL系统中的应用

2011 34th International Conference on Telecommunications and Signal Processing (TSP) Pub Date : 2011-10-13 DOI:10.1109/TSP.2011.6043677

Ondrej Krajsa, P. Silhavy, P. Sysel

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引用次数: 2

摘要

近年来，多载波调制技术在有线和无线传输系统中得到了广泛的应用。这种调制技术可以近乎完美地利用金属电缆上提供的频段，并消除地面传输中的多径传播效应。MCM的主要实现方式是离散多音(DMT)和正交频分复用(OFDM)。这些方法也有缺点，这导致寻求新的方法来实现MCM调制方案。其中之一是滤波多音调制(FMT)。本文将比较半重叠和非重叠FMT调制中的信道均衡问题。

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Filterbank modulation techniques and its utilization in ADSL systems

The multicarrier modulations (MCM) became widely used and have been applied to wire and wireless transmission systems in recent years. This modulation techniques enable a near-perfect utilization of the provided frequency band on metallic cables and they also eliminate multipath propagation effect in terrestrial transmission. Mainly used implementations of MCM are Discrete MultiTone (DMT) and Orthogonal Frequency Division Multiplexing (OFDM). These approaches have also disadvantages, which have led to seeking new approaches to the implementation of the MCM modulation scheme. One of them is the Filtered MultiTone Modulation (FMT). In the article, the channel equalization in half-overlapped and non-overlapped FMT modulation will be compared.

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2011 34th International Conference on Telecommunications and Signal Processing (TSP)

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