Design of ultra-wideband pulses based on spectrum shifted Gaussian waveforms

Design of ultra-wideband pulses based on spectrum shifted Gaussian waveforms
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基于谱移高斯波形的超宽带脉冲设计

DOI:
10.1049/iet-com.2012.0184
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发表时间:
2013-04
期刊:
影响因子:
1.6
通讯作者:
Chen, Hsiao-Hwa
Chen, Hsiao-Hwa
中科院分区:
计算机科学4区
文献类型:
--
作者:
Bai, Zhiquan;Liu, Jenting;Chen, Hsiao-Hwa

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在这项研究中,作者提出了一种新的超宽带(UWB)应用脉冲波形设计方法,即频谱移位高斯波形(SSGW)方法。具体来说,可以通过叠加高斯子载波来产生超宽带脉冲,这些子载波可以用来适应美国联邦通信委员会(FCC)为超宽带应用指定的频谱掩模。与传统的基于高斯脉冲或埃尔米特脉冲及其高阶导数的方法相比,该方法与FCC掩模的匹配效果更好。SSGW具有较低的计算复杂度,并且在设计时域脉冲形状以适应不同功率谱密度掩模方面具有独特的灵活性。原则上,SSGW方法也可用于许多其他带宽高效通信系统的脉冲波形设计,而不一定仅限于UWB系统。
In this study, the authors propose a new pulse waveform design methodology for ultra-wideband (UWB) applications, namely spectrum shifted Gaussian waveform (SSGW) approach. Specifically, UWB pulses can be generated by superposition of Gaussian sub-carriers, which can be used to fit Federal Communication Commission (FCC) spectrum masks specified for UWB applications. In this way, it can match with the FCC masks much better than those generated using the traditional methods based on Gaussian or Hermite pulses and their higher order derivatives. The SSGW works with a low computational complexity and offers a unique agility in design of time-domain pulse shapes to fit different power spectrum density masks. In principle, the SSGW approach can also be used for pulse waveform design in many other bandwidth efficient communication systems, not necessarily limited only to UWB systems.
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发表时间: 1998-02-01
期刊: IEEE COMMUNICATIONS LETTERS
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