This paper briefly overviews and discusses the existing techniques using antennas for
passive sensing, starting from the antenna operating principle and antenna structural design …

The realization of Internet of underground things (IOUT) relies on the establishment of
reliable communication links, where the antenna becomes a major design component due …

Microwave absorption materials are of great importance in various application nowadays. In
this article, a new type of metal–organic framework (MOF)-based Fe/C@ Co 3 O 4 core …

In this paper, the composites of polyvinylidene fluoride (PVDF)/nickel (Ni) prepared through
simple blending and hot-molding process have been investigated for dielectric …

Unique interactions between soil and communication components in wireless underground
communications necessitate revisiting fundamental communication concepts from a different …

In this chapter, wireless underground (UG) communications are introduced. A detailed
overview of WUC is given. A comprehensive review of research challenges in WUC is …

This article presents a low-cost, fan-shaped, tri-arm, circular microstrip antenna that is
practically loaded with the three split-ring resonators (SRR) and also uses defected ground …

A textile patch antenna is an attractive package for wearable applications as it offers
flexibility, less weight, easy integration into the garment and better comfort to the wearer …

In this paper, a fractal antenna is proposed for wideband application. It has a resonance
frequency of 5 GHz, and has been designed using an FR4 substrate with a width and a …

The common practice of applying reflection loss to material is incorrect as it can only be
applied to film. Also the dominant theory of impedance matching should be replaced by …