Multi-mode microstrip antennas for reconfigurable aperture

Author

Sor, J. ; Qian, Y. ; Chang, M.F. ; Itoh, T.

Author_Institution

Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA

Volume

1

fYear

2000

fDate

16-21 July 2000

Firstpage

318

Abstract

A multi-mode reconfigurable antenna structure is explored. The unique phased array system utilizes three different microstrip antennas: the quasi-Yagi endfire antenna for wideband endfire coverage, patch antennas for moderate gain at broadside, and high gain frequency scanned leaky-wave antennas. The aperture configuration can be controlled through a combination of DSP and MEMS switches. The proposed structure exhibits good isolation between the different aperture ports. The radiation patterns in each reconfigured mode of operation do not show any noticeable degradation.

Keywords

Yagi antenna arrays; antenna radiation patterns; leaky wave antennas; micromechanical devices; microstrip antenna arrays; radar antennas; switches; DSP; MEMS switches; aperture ports isolation; broadside gain; communications systems; frequency scanned leaky-wave antennas; high gain; multi-mode microstrip antennas; patch antennas; phased array system; quasi-Yagi endfire antenna; radar systems; radiation patterns; reconfigurable aperture; wideband endfire coverage; Aperture antennas; Broadband antennas; Digital signal processing; Frequency; Leaky wave antennas; Microstrip antenna arrays; Microstrip antennas; Microswitches; Patch antennas; Phased arrays;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas and Propagation Society International Symposium, 2000. IEEE

Conference_Location

Salt Lake City, UT, USA

Print_ISBN

0-7803-6369-8

Type

conf

DOI

10.1109/APS.2000.873825

Filename

873825