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- Title
A COMPACT, OMNI-DIRECTIONAL, CIRCULARLY POLARIZED MICROSTRIP ANTENNA.
- Authors
Jian An; Guang-Ming Wang; Chen-Xin Zhang; Hui-Yong Zeng
- Abstract
A new type of omni-directional, circularly polarized microstrip antenna employing a zero-order resonator (ZOR) loaded with arc-shaped stubs along the patch is presented. The concept of the proposed antenna uses a configuration of the horizontal magnetic and electric loop currents that act as electric and magnetic mono pole antennas, respectively. By adjusting the relevant dimensions of the loaded stubs, an omni-directional, circularly polarized operation can be realized. The operational frequency of the proposed antenna is 1.9 GHz. According to the measured results, the proposed antenna provides a 10 dB input return loss and bandwidth of 11.8 percent. The simulation and measurement radiation patterns show that the proposed antenna radiates the electromagnetic wave omni-directionally. The simulated axial ratios of the proposed antenna indicate that it has a good circular polarization performance.
- Subjects
MICROSTRIP antennas; AUDIO equipment; POLARIZATION (Electricity); ELECTRIC resonators; MAGNETIC monopoles
- Publication
Microwave Journal, 2010, Vol 53, Issue 1, p82
- ISSN
0192-6225
- Publication type
Article