Annular slot windshield antenna

Annular slot windshield antenna

An automotive AM/FM hidden antenna using the slot between the body of the automobile and a metal solar heat-reduction film in the front windshield is described. Such solar heat-reduction metal films are becoming common and thus represent an opportunity to incorporate an antenna at only marginal cost...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology Vol. 47; no. 3; pp. 766 - 773
Main Authors: Walton, E.K., Abou-Jaoude, R., Pekar, M.E.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01-08-1998
Institute of Electrical and Electronics Engineers
Subjects:
Antenna measurements
Antenna theory
Antennas
Applied sciences
Automobiles
Automotive components
Automotive engineering
Costs
Equipments and installations
Exact sciences and technology
Impedance matching
Mobile radiocommunication systems
Radio frequency
Radiocommunications
Slot antennas
Solar heating
Telecommunications
Telecommunications and information theory
Motor car
Glass
Windscreen
Conformal antenna array
Solar system
Experimental study
Antenna
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Description
Summary:An automotive AM/FM hidden antenna using the slot between the body of the automobile and a metal solar heat-reduction film in the front windshield is described. Such solar heat-reduction metal films are becoming common and thus represent an opportunity to incorporate an antenna at only marginal cost. The radio frequency (RF) input impedance and gain patterns are described, and techniques for impedance matching are shown. Theoretical and experimental antenna patterns are compared. A test range measurement system and experimental results is described. A mobile on-road system to characterize the antenna in urban and suburban environments is shown. The application of this mobile system to the measurement of calibrated gain patterns is also demonstrated.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9545
1939-9359
DOI:10.1109/25.704832