Circular Polarization Reconfigurable Wideband E-Shaped Patch Antenna for Wireless Applications

A polarization reconfigurable E-shaped patch antenna with wideband performance is proposed in this communication. The antenna is capable of switching its polarization from right hand circular polarization (RHCP) to left hand circular polarization (LHCP) and vice versa. Its structure is simple and co...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2013-02, Vol.61 (2), p.960-964
Main Authors: Khidre, A., Kai-Fong Lee, Fan Yang, Elsherbeni, A. Z.
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Applied sciences
Bandwidth
Business and industry local networks
E-shaped patch antenna
Exact sciences and technology
microstrip antenna
Networks and services in france and abroad
Organization, operation and development plans
Patch antennas
PIN diodes
polarization agile
Radio frequency
Radiocommunications
reconfigurable antennas
RF switches
Switches
Switching and signalling
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Wireless communication
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Summary:A polarization reconfigurable E-shaped patch antenna with wideband performance is proposed in this communication. The antenna is capable of switching its polarization from right hand circular polarization (RHCP) to left hand circular polarization (LHCP) and vice versa. Its structure is simple and consists of a single-layer single-feed E-shaped patch and two RF switches placed at appropriate locations in the slots. The design targets the WLAN IEEE 802.11 b/g frequency band (2.4-2.5 GHz) being used in various wireless communication systems. Full wave simulation is used for the antenna analysis, and a prototype of the antenna with an integrated DC biasing circuit has been fabricated and tested. Good agreement is obtained between simulated and measured results. The antenna exhibits a 7% effective bandwidth from 2.4 GHz to 2.57 GHz with a 8.7 dBic maximum gain. The antenna radiation symmetry is maintained upon switching between the two circular polarization modes.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2223436