Title :
Experimental investigation of ground plane size on a high-gain antenna configuration
Author_Institution :
Sensors & Electron Devices Directorate, US Army Res. Lab., Adelphi, MD, USA
Abstract :
Dipole antennas exhibit a high-gain effect when covered by a high dielectric constant superstrate. This paper quantifies the effect of the ground plane size and demonstrates that the behavior of the antenna cannot be considered independently. It is found that the antenna acts as a cavity resonator (from the standpoint of the internal fields). Experimental results demonstrate that the high-gain effect shifts in frequency as a function of the ground plane´s radius.
Keywords :
antenna theory; cavity resonators; dipole antennas; permittivity; cavity resonator; dipole antennas; frequency shift; ground plane radius; ground plane size; high dielectric constant superstrate; high-gain antenna configuration; high-gain effect; internal fields; Adaptive arrays; Antenna measurements; Antenna theory; Dielectric constant; Dielectric materials; Dielectric measurements; Dielectric resonator antennas; Dipole antennas; Frequency estimation; High-K gate dielectrics;
Conference_Titel :
Antennas and Propagation Society International Symposium, 2002. IEEE
Print_ISBN :
0-7803-7330-8
DOI :
10.1109/APS.2002.1016299