Transformation Electromagnetic Design of an Embedded Monopole in a Ground Recess for Conformal Applications

Author

Kwon, Do-Hoon

Author_Institution

Dept. of Electr. & Comput. Eng., Univ. of Massachusetts Amherst, Amherst, MA, USA

Volume

9

fYear

2010

fDate

7/2/1905 12:00:00 AM

Firstpage

432

Lastpage

435

Abstract

A radiation configuration is designed for a monopole antenna embedded within transformation media and buried inside a recess in a conducting ground plane. Both the ground plane near the base of the antenna and the antenna itself, which are physically located inside a recess, are mapped to a virtual location above the ground plane by a negative-index material block. The directivity pattern is identical to that of a monopole on a flat ground plane, radiating the maximum vertically polarized field in the horizon. Radiation characteristics are tolerant to small variations in material parameters from ideal values. Estimates for pattern and impedance bandwidths are provided based on numerical simulations.

Keywords

antenna radiation patterns; conformal antennas; electromagnetic devices; monopole antennas; antenna radiation patterns; conducting ground plane; conformal antenna; directivity pattern; embedded monopole; ground recess; impedance bandwidths; monopole antenna; negative-index material block; transformation electromagnetic design; transformation media; vertically polarized field; virtual location; Antenna radiation patterns; conformal antennas; monopole antennas; transformation electromagnetics;

fLanguage

English

Journal_Title

Antennas and Wireless Propagation Letters, IEEE

Publisher

ieee

ISSN

1536-1225

Type

jour

DOI

10.1109/LAWP.2010.2049821

Filename

5460953