Title :
Inductively loaded shorted patch antenna with reduced size
Author :
Palacios, M. S Ruiz ; Silva, M. J Martinez
Author_Institution :
Dept. de Electron., Univ. de Guadalajara, Guadalajara, Mexico
Abstract :
A shorted patch antenna with inductive loading for size reduction is presented. To improve input matching characteristics, a small inverted L antenna is appended at the shorted side of the patch. The transmission line model of the structure is used for predicting input impedance of the antenna. A design example is carried out for the 2.4 GHz ISM band. Calculated S11 parameter is compared and agrees well with simulation results. A near omnidirectional radiation pattern is obtained with a gain of 1.26 dBi. An area reduction of approximately 80% was obtained respect to the ¿/2 rectangular patch antenna.
Keywords :
S-parameters; UHF antennas; antenna radiation patterns; microstrip antennas; S11 parameter; antenna size reduction; frequency 2.4 GHz; inductive loaded shorted patch antenna; input matching characteristics; inverted L antenna; omnidirectional radiation pattern; ¿/2 rectangular patch antenna; Antennas and propagation; Broadband antennas; Dielectrics; Feeds; Impedance matching; Loaded antennas; Microstrip antennas; Patch antennas; Predictive models; Transmission line antennas;
Conference_Titel :
Antennas & Propagation Conference, 2009. LAPC 2009. Loughborough
Conference_Location :
Loughborough
Print_ISBN :
978-1-4244-2720-8
Electronic_ISBN :
978-1-4244-2721-5
DOI :
10.1109/LAPC.2009.5352376
