Ultra-wideband rectangular disk monopole antenna with notched ground
- 1 January 2007
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 43 (11), 605-606
- https://doi.org/10.1049/el:20070910
Abstract
A rectangular disk monopole antenna with a novel notched ground for potential low-cost ultra-wideband applications is proposed. This notched ground can adjust the electromagnetic coupling effects between the disk monopole and the ground plane, and improves its impedance bandwidth dramatically without any cost of size or expense. Its impedance bandwidth defined by VSWR <2 is from 3.1 to 11.8 GHz with a ratio of about 3.8:1. Furthermore, this novel monopole antenna exhibits a nearly omnidirectional radiation pattern with compact size and simple structural configuration, which is suitable for various wideband applications.Keywords
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