Footwear‐centric body area network with directional UWB antenna
نویسندگان
چکیده
منابع مشابه
A New Loop Antenna for Directional UWB Links
Loop antennas of circumference greater than a wavelength are generally known to have a good directive radiation pattern. However, for use in UWB applications, the variation of the radiation pattern with frequency must also be taken into account. Besides a good wideband radiation pattern, the impedance bandwidth of the antenna is also very important. The quality of a transmitted and received UWB...
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Novel and compact CPW-fed antennas are proposed comprised of a fractal patch and modified ground-plane. The ground-plane is truncated at the center and includes dielectric notches at its side to enhance the antenna's impedance bandwidth. The dimensions of the notches effectively control the upper and lower band edges of the antenna. The optimized antenna operates across 2.95-12.81 GHz for S11 ≤...
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UWB (U ̅ ltra-W ̅ ideB ̅ and) is a communications system that utilizes a bandwidth greater than 20% of the center frequency or at least 500MHz. It also uses extremely wide bandwidths ranging from hundreds of megahertz to several gigahertz. As shown in Fig.1, the output is less than the electromagnetic noise level of PCs; as such, conventionally used frequencies can be shared. The UWB provides the ...
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ژورنال
عنوان ژورنال: Electronics Letters
سال: 2013
ISSN: 0013-5194,1350-911X
DOI: 10.1049/el.2013.1596