High-performance sectored antenna system using low profile broadband feed devices
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United States of America Patent
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-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Sep 10, 1998
filing date -
Sep 10, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sectored antenna system has one or more dielectric lenses, each having a surface and two or more low profile antenna feed devices. At least one of the feed devices radiate signals into said lens that emerge as separate directional beams, and/or the lenses receive incoming signals from different directions and focus them onto different antenna feed devices. The feed devices of the sectored antenna system are low-profile broadband feed devices, such as log periodic dipole arrays or tapered notch antennas. Special design guidelines are given for their use with a lens. In addition, a method to reduce the cut off frequency of the tapered notch antenna is shown.
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Cited Art Landscape
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