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The purpose of this letter is to introduce a compact ultrawideband (UWB) diversity antenna with a very low envelope correlation coefficient (ECC). The design employs a hybrid isolation enhancing and miniaturization technique. The antenna consists of two counter facing monopoles, and is miniaturized by using not only inverted-L stubs but also a complementary split-ring resonator (CSRR) on the ground...
The bandwidth shortage experienced by wireless communication has motivated the use of the under-utilized millimeter-wave (mmWave) spectrum for future 5G broadband mobile communication networks. Successful deployment of mmWave mobile communication systems requires sufficient knowledge of the mmWave propagation channel. This paper discusses the characteristics of the mmWave propagation channel, and...
This paper presents the comparison of two Ultrawideband (UWB) Multiple-Input-Multiple-Output (MIMO) antennas with different conductors. In the simulation two UWB-MIMO antennas with copper conductors and graphene-based conductors (GBC) are designed separately. The ground planes of both radiators are made of copper, only the top side is made with different conductors. A T-shaped decoupling structure...
The emerging in vivo communication and networking system is a prospective component in advancing health care delivery and empowering the development of new applications and services. In vivo communications construct wirelessly networked cyber-physical systems of embedded devices to allow rapid, correct and cost-effective responses under various conditions. This paper surveys the existing research...
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