基于小波的高效脉冲整形和鲁棒数据传输

M. Oltean, M. Nafornita
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引用次数: 26

摘要

最近的研究表明,在数据传输链中使用小波有几个优点。因此,小波母和相关的尺度函数可以产生符合奈奎斯特第一准则的正交基,这些基可以用作脉冲整形波形,而不是提高余弦滤波器。此外,利用小波载波可以代替OFDM提出的经典正弦波进行鲁棒多载波数据传输。通过将这些优点联系起来,在数据传输系统中开辟了通往新的强大传输技术的道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Efficient Pulse Shaping and Robust Data Transmission Using Wavelets
Recent work has shown that the use of wavelets in a data transmission chain brings several advantages. Thus, the wavelet mothers and the associated scale functions can generate orthogonal basis that obey Nyquist's first criterion and these basis can be used as pulse shaping waveforms instead of raised cosine filters. Furthermore, robust multicarrier data transmission can be performed using wavelet carriers instead of the classical sine waves proposed by OFDM. By associating these benefits, the road towards new powerful transmission techniques in data transmission systems is widely opened.
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