publication . Article . 2016

Compact-Size Low-Profile Wideband Circularly Polarized Omnidirectional Patch Antenna With Reconfigurable Polarizations

Yuan-Ming Cai; Steven Gao; Yingzeng Yin; Wenting Li; Qi Luo;
Open Access English
  • Published: 03 May 2016
  • Country: United Kingdom
Abstract
A compact-size low-profile wideband circularly polarized (CP) omnidirectional antenna with reconfigurable polarizations is presented in this communication. This design is based on a low-profile omnidirectional CP antenna which consists of a vertically polarized microstrip patch antenna working in $\text{TM}_{01}/\text{TM}_{02}$ modes and sequentially bended slots etched on the ground plane for radiating horizontally polarized electric field. The combined radiation from both the microstrip patch and the slots leads to a CP omnidirectional radiation pattern. The polarization reconfigurability is realized by introducing PIN diodes on the slots. By electronically co...
Subjects
free text keywords: T, Circular polarization, Turnstile antenna, Physics, Optics, business.industry, business, Radiation pattern, Omnidirectional antenna, Optoelectronics, Antenna (radio), Coaxial antenna, Patch antenna, Microstrip antenna
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