Abstract
This article presents a compact wideband microstrip-fed planar monopole antenna composed of a rectangular patch and slotted ground structure. By placing pair of symmetrical square stubs, making slots in the stubs, putting stubs on the sides of the radiating patch, gives wide-band characteristics. The antenna only one of its kinds in structure, small in size and simple design due to less number of design parameters, compared with the existing UWB antennas in the literature. The bandwidth, radiation pattern and other antenna parameters are at acceptable level. IE3D method of moments based simulation software is used for design and analysis. The simulated results are confirmed by conducting experiments with the help of Rohde and Schwarz, German make ZVK model No.8651 Vector Network Analyzer and discussed.
Highlights
There are rapid developments in wireless communication systems to meet the growing demands for various communication services
This article presents a compact wideband microstrip-fed planar monopole antenna composed of a rectangular patch and slotted ground structure
UWB system requires a compact antenna providing wideband characteristic over the whole operating band. Due to their appealing features of wide bandwidth, simple structures, omnidirectional patterns and ease of construction, planar metal-plate monopole antennas have been proposed for such applications [1]
Summary
There are rapid developments in wireless communication systems to meet the growing demands for various communication services. UWB system requires a compact antenna providing wideband characteristic over the whole operating band Due to their appealing features of wide bandwidth, simple structures, omnidirectional patterns and ease of construction, planar metal-plate monopole antennas have been proposed for such applications [1]. For ex., some of these antennas include E-shaped slot, S-shaped-slot, use defected ground structure and slot in the tapered radiating etc. The technique used in this article presents the inherent advantages of planar antennas for operation behind the UWB spectrum as defined by FCC. This is achieved by putting stubs in ground plane and in the sides of the radiating patch of a microstrip fed monopole antenna which acts like a resonant structure. Radiation patterns in E-plane and H-plane have been presented
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