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

Autor:	L.K. Hady, Darko Kajfez, Ahmed A. Kishk
Rok vydání:	2009
Předmět:	Physics business.industry Axial ratio Bandwidth (signal processing) Dielectric resonator Radiation pattern law.invention Optics law Wi-Fi Multi-band device Electrical and Electronic Engineering business Omnidirectional antenna Circular polarization
Zdroj:	IEEE Transactions on Antennas and Propagation. 57:2591-2598
ISSN:	1558-2221 0018-926X
DOI:	10.1109/tap.2009.2024488
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::212eff74d55a70eec87dfe0cf2e4a32d https://doi.org/10.1109/tap.2009.2024488 Zobrazit plný text záznamu