This paper presents a high gain antenna for off-grid wireless networks at 915 MHz. The
requirements for compact size and high gain antenna are needed in the industrial, scientific …

A wide-slot ultra-wideband (UWB) antenna with on-demand band rejection characteristics
that can serve underlay cognitive radio is presented in this paper. This antenna is designed …

An antenna system that is reconfigurable in frequency is presented in this paper as a novel
dual port design that serves both undelay and interweave cognitive radio. This 25× 40× 0.8 …

A frequency reconfigurable antenna is presented in this paper as a novel single port system
gathering the functionalities of both underlay and interweave cognitive radio. This 25× 30× …

A reconfigurable UWB antenna that meets the requirements of underlay cognitive radio is
presented in this paper. This antenna is controllable to reject one or a combination of the …

A multiband and wideband frequency reconfigurable antenna is presented. A wideband
from 3.5 GHz to 9.0 GHz is achieved by introducing one stripline in the middle of a slotted …

increasingly internets of things applications have emerged in recent years, arranging
additional strain on networks. In order to be remotely accessed the internet of things links …

Radio Frequency (RF) plays a vital role nowadays in harvesting RF Energy from the ambient
source. An antenna is required to harvest RF energy and solve the spectrum underutilization …