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Miniaturization of ultra-wideband antennas invited paper

机译:超宽带天线的小型化邀请论文

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Ultra-wideband (UWB) has become the promising wireless technology in commercial applications such as short-range high-data-rate wireless communication, high-resolution imaging, and high-accuracy radar. The antenna is one of the key designs in UWB wireless systems. This paper starts with a brief introduction of particular design challenges of UWB antennas, followed by state-of-the-art solutions. Next, the miniaturization technologies for UWB antennas are addressed. Planar designs are highlighted due to their unique merits and wide adoption in practical applications. A newly developed technique to achieve the less-ground-plane-effect performance of UWB antennas, one of the most challenging issues in small antenna designs, is addressed. A design is exemplified to elaborate the mechanism of the method. Based on this concept, an antenna with further reduced size is designed to fit wireless USB dongles. Furthermore, an innovative compact diversity UWB antenna shows the advantage of the ground-plane-independence of small antennas in diversity applications. In the end, the trends of UWB antenna R&D are discussed, correlated with applications and market demands.
机译:超宽带(UWB)在短距离高数据速率无线通信,高分辨率成像和高精度雷达等商业应用中已成为有前途的无线技术。天线是UWB无线系统中的关键设计之一。本文首先简要介绍了UWB天线的特殊设计挑战,然后介绍了最新的解决方案。接下来,解决用于UWB天线的小型化技术。平面设计因其独特的优点和在实际应用中的广泛采用而受到重视。解决了一种新开发的技术,该技术可实现UWB天线的较小的地平面效应性能,这是小型天线设计中最具挑战性的问题之一。举例说明一种设计,以详细说明该方法的机理。基于此概念,设计了尺寸进一步减小的天线以适合无线USB软件狗。此外,创新的紧凑型分集UWB天线在分集应用中显示出小天线的地平面独立优势。最后,讨论了UWB天线的研发趋势,并与应用和市场需求相关联。

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