DocumentCode :
66993
Title :
A Quad-Band Antenna for Public Safety Applications
Author :
Mopidevi, H. ; Damgaci, Y. ; Rodrigo, D. ; Jofre, Lluis ; Cetiner, B.A.
Author_Institution :
Dept. of Electr. & Comput. Eng., Utah State Univ., Logan, UT, USA
Volume :
13
fYear :
2014
fDate :
2014
Firstpage :
1231
Lastpage :
1234
Abstract :
The design, fabrication, and characterization of a frequency-reconfigurable antenna for the United States Public Safety (PS) wireless communication applications are presented. This antenna is quad-band operating in the PS bands-220, 470, 800, and 4960 MHz. It is an electrically small antenna with calculated ka ~ 0.55 at 220 MHz. The antenna has two reconfigurable modes of operations. In mode 1, 220-, 470-, and 4960-MHz bands are excited. Mode 2 provides operation over 800- and 4960-MHz bands. This dynamic frequency reconfiguration is accomplished by two radio frequency microelectromechanical systems switches strategically located within the antenna architecture. The measured and simulated results for impedance and radiation characteristics agree well, where ~ 3%, 4%, 21%, and 17% fractional bandwidths have been measured in the four bands, respectively, while maintaining integrity of radiation pattern.
Keywords :
UHF antennas; VHF antennas; microwave antennas; multifrequency antennas; public administration; safety; dynamic frequency reconfiguration; electrically small antenna; frequency 220 MHz; frequency 470 MHz; frequency 4960 MHz; frequency 800 MHz; frequency reconfigurable antenna; public safety applications; quad band antenna; wireless communication application; Antenna measurements; Antenna radiation patterns; Broadband antennas; Feeds; Metallization; Radio frequency; Antenna measurements; UHF antennas; antenna radiation patterns; broadband antennas; electrically small antennas; frequency -reconfigurable antennas (FRAs); multiband antennas; multilayered antennas;
fLanguage :
English
Journal_Title :
Antennas and Wireless Propagation Letters, IEEE
Publisher :
ieee
ISSN :
1536-1225
Type :
jour
DOI :
10.1109/LAWP.2014.2332614
Filename :
6842593
Link To Document :
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