Design of Single-Feed Dual-Frequency Patch Antenna for GPS and WLAN Applications

A design of single-feed dual-frequency patch antennas with different polarizations and radiation patterns is proposed. The antenna structure is composed of two stacked patches, in which the top is a square patch and the bottom is a corner-truncated square-ring patch, and the two patches are connecte...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2011-09, Vol.59 (9), p.3433-3436
Main Authors: MA, Shun-Lai, ROW, Jeen-Sheen
Format: Article
Language:English
Subjects:
Antenna measurements
Antenna radiation patterns
Antennas
Applied sciences
Business and industry local networks
Circular polarization
conical radiation
dual frequency
Exact sciences and technology
Frequency measurement
Geographic information systems
Global Positioning System
Local area networks
Microstrip antennas
Networks and services in france and abroad
patch antenna
Patch antennas
Prototypes
Radiocommunications
Radiolocalization and radionavigation
Resonant frequency
Satellite navigation systems
Satellite telecommunications. Space telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Wireless communication
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Summary:A design of single-feed dual-frequency patch antennas with different polarizations and radiation patterns is proposed. The antenna structure is composed of two stacked patches, in which the top is a square patch and the bottom is a corner-truncated square-ring patch, and the two patches are connected together with four conducting strips. Two operating frequencies can be found in the antenna structure. The radiations at the lower and higher frequencies are a broadside pattern with circular polarization and a conical pattern with linear polarization, respectively. A prototype operating at 1575 and 2400 MHz bands is constructed. Both experimental and simulated results show that the prototype has good performances and is suitable for GPS and WLAN applications.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2011.2161453