Apparatus and method for a multi-polarized ground plane beam antenna
DCFirst Claim
1. A ground plane beam antenna for transmitting and/or receiving radio frequency (RF) signals, said antenna comprising:
- at least one parasitic reflector element having a first end and a second end;
at least one parasitic director element having a first end and a second end;
a driven element positioned co-linearly with and between said at least one reflector element and said at least one director element; and
an electrically conductive ground plane being electrically connected to said at least one reflector element and said at least one director element at said second ends, and being electrically isolated from said driven element, the ground plane comprising a first electrically conductive sheet having a width of about ¼
wavelength of a tuned radio frequency.
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Abstract
A ground plane beam antenna for transmitting and/or receiving radio frequency (RF) signals, and a method for constructing same, is disclosed. An embodiment of the antenna comprises at least one parasitic reflector element having a first end and a second end, at least one parasitic director element having a first end and a second end, a multi-polarized driven element positioned co-linearly with and between the at least one reflector element and the at least one director element, and an electrically conductive ground plane. The ground plane is electrically connected to the at least one reflector element and the at least one director element at the second ends, and is electrically isolated from the driven element.
19 Citations
35 Claims
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1. A ground plane beam antenna for transmitting and/or receiving radio frequency (RF) signals, said antenna comprising:
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at least one parasitic reflector element having a first end and a second end; at least one parasitic director element having a first end and a second end; a driven element positioned co-linearly with and between said at least one reflector element and said at least one director element; and an electrically conductive ground plane being electrically connected to said at least one reflector element and said at least one director element at said second ends, and being electrically isolated from said driven element, the ground plane comprising a first electrically conductive sheet having a width of about ¼
wavelength of a tuned radio frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method to construct a ground plane beam antenna for transmitting and/or receiving radio frequency (RE) signals, said method comprising:
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generating a driven element that is tuned to at least one predetermined radio frequency; generating at least one linear, parasitic reflector element having a first end and a second end and having an initial length based on, at least in part, said tuned driven element; generating at least one linear, parasitic director element having a first end and a second end and having an initial length based on, at least in part, said tuned driven element; positioning said driven element co-linearly with and between said at least one reflector element and said at least one director element; generating an electrically conductive ground plane, the ground plane comprising a first electrically conductive sheet having a width of about ¼
wavelength of at least one predetermined radio frequency; andelectrically connecting said ground plane to said second ends of said reflector element and said at least one director element and keeping said ground plane electrically isolated from said driven element. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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Specification