Dual-Band Compact DRA With Circular and Monopole-Like Linear Polarizations as a Concept for GPS and WLAN Applications

The concept of achieving a dual-band antenna with two different radiation patterns using a single cylindrical dielectric resonator is presented. Both simulated and experimental measured results are conducted to prove the validity of the proposed concept. A broadside circularly-polarized pattern with...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2009-09, Vol.57 (9), p.2591-2598
Main Authors: Hady, L.K., Kishk, A.A., Kajfez, D.
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Applied sciences
Bandwidth
Business and industry local networks
Circularly-polarized antenna
cylindrical dielectric resonator
Dielectric measurements
Dielectric resonator antennas
Dual band
dual-band antenna
Exact sciences and technology
Global Positioning System
Global Positioning System (GPS)
Linear polarization
Local area networks
Microstrip resonators
Networks and services in france and abroad
Noise levels
omnidirectional antenna
Polarization
Radiocommunications
Radiolocalization and radionavigation
Satellite navigation systems
Satellite telecommunications. Space telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Wireless communication
Wireless LAN
Wireless Local Area Network (WLAN)
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Description
Summary:The concept of achieving a dual-band antenna with two different radiation patterns using a single cylindrical dielectric resonator is presented. Both simulated and experimental measured results are conducted to prove the validity of the proposed concept. A broadside circularly-polarized pattern with 7% bandwidth and a vertically polarized omnidirectional pattern with 17.3% bandwidth are obtained, simultaneously. The minimum measured axial ratio is found to be 1.3 dB. The front-to-back ratio is measured to be 15 dB. A design suitable for both Global Positioning System and wireless local area network applications is proposed.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2009.2024488