Title :
A dual element patch array antenna structure with microstrip triple stub matching
Author :
Araii, H. ; Durnan, G.J. ; Saito, Sakuyoshi
Author_Institution :
Graduate Sch. of Eng., Yokohama Nat. Univ., Japan
Abstract :
In this paper we examine a dual frequency structure suitable for mobile communications. We present a closed form solution to the triple stub section combined with the patch parameters obtained experimentally and by using a commercial simulation tool. This patch design technique allows for straightforward multiband operation without active circuitry or use of duplexers. Also presented was a method of optimizing a matching structure using genetic algorithms to solve a multivariable stub positioning problem related to impedance matching whilst at the same time limiting any radiation due to multimode excitation in the patch.
Keywords :
UHF antennas; antenna radiation patterns; antenna theory; genetic algorithms; impedance matching; microstrip antenna arrays; mobile antennas; multifrequency antennas; transmission line theory; 2 GHz; 5 GHz; closed form solution; dual element patch array antenna; dual frequency structure; genetic algorithms; impedance matching; input port return loss; microstrip triple stub matching; mobile communications; multiband operation; multivariable stub positioning; patch parameters; transmission line equivalent function; Antenna feeds; Attenuation; Design optimization; Equations; Frequency; Impedance matching; Microstrip antenna arrays; Microstrip antennas; Patch antennas; Transmission lines;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
DOI :
10.1109/APS.2003.1220326
