具有时频良好局域脉冲的多载波传输

IEEE Second Symposium on Communications and Vehicular Technology in the Benelux Pub Date : 1994-11-02 DOI:10.1109/SCVT.1994.574163

R. Haas, J. Belfiore

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引用次数: 28

摘要

多载波传输是一种处理移动无线电信道时间和频率选择性的方法。这些信号经过脉冲整形并在多个载波上传输，以减少多径效应。通常使用的矩形或奈奎斯特根脉冲允许以接近最佳的频谱效率传输，但它们在时间和频率上都没有很好地定位，因此残留的码间干扰(ISI)和信道间干扰(ICI)降低了系统的性能。因此，我们提出了一种新的脉冲来最小化ISI和ICI。

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Multiple carrier transmission with time-frequency well-localized impulses

Multiple carrier transmission represents a way to cope with the time and frequency selectivity of mobile radio channels. The signals are pulse shaped and transmitted on multiple carriers to reduce the multipath effects. The usually used rectangular or Nyquist root impulses permit a transmission with nearly optimal spectral efficiency, but they are not well localized either in time or in frequency so that the residual intersymbol interference (ISI) and interchannel interference (ICI) lower the system performance. Therefore, we present a new impulse to minimize ISI and ICI.

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IEEE Second Symposium on Communications and Vehicular Technology in the Benelux

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