Beam switching antenna system and method and apparatus for controlling the same
First Claim
1. A beam switching antenna system comprising:
- an antenna element for transmitting and receiving a beam;
a dielectric body surrounding said antenna element;
a plurality of conductive reflectors facing a lateral outside of said dielectric body, each of said plurality of conductive reflectors comprising an upper conductive reflector having a length of λ
/8 and a lower conductive reflector having a length of λ
/16, where λ
is a wavelength of a radio wave in air; and
a ground switch circuit connected to each of said plurality of conductive reflectors,wherein the dielectric body comprises a plurality of circumferential planar surfaces corresponding to the plurality of conductive reflectors.
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Accused Products
Abstract
A beam switching antenna system and method and apparatus for controlling the same is provided, by which optimal antenna characteristics can be maintained according to a peripheral environment, the necessary time and power consumption of searching an optimal beam-direction can be reduced, and electromagnetic waves of a beam generated from an antenna can be minimized. The beam switching antenna system includes an antenna element for transmitting and receiving a beam; a dielectric body surrounding said antenna element; at least one conductive reflector facing a lateral outside of said dielectric body; and a ground switch circuit connected to said at least one conductive reflector. The ground switch circuit includes a reference voltage source generating a reference voltage; a ground line connected to the reference voltage source; an electrical switching device connected between the ground line and the conductive reflector; and a controller for controlling the electrical switching device. The conductive reflector includes an upper conductive reflector having one end connected to one terminal of the electrical switching device; and a lower conductive reflector having one end connected to another terminal of the electrical switching device and the other end connected to the ground line.
35 Citations
10 Claims
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1. A beam switching antenna system comprising:
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an antenna element for transmitting and receiving a beam; a dielectric body surrounding said antenna element; a plurality of conductive reflectors facing a lateral outside of said dielectric body, each of said plurality of conductive reflectors comprising an upper conductive reflector having a length of λ
/8 and a lower conductive reflector having a length of λ
/16, where λ
is a wavelength of a radio wave in air; anda ground switch circuit connected to each of said plurality of conductive reflectors, wherein the dielectric body comprises a plurality of circumferential planar surfaces corresponding to the plurality of conductive reflectors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10)
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8. A beam switching antenna system comprising:
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an antenna element for transmitting and receiving a beam; a dielectric body surrounding said antenna element; a plurality of conductive reflectors facing a lateral outside of said dielectric body, each of said plurality of conductive reflectors comprises an upper conductive reflector having a length of λ
/8 and a lower conductive reflector having a length of λ
/16, where λ
is a wavelength of a radio wave in air; anda ground switch circuit connected to ends of said plurality of conductive reflectors. wherein said ground switch circuit comprises; a reference voltage source generating a reference voltage; a ground line connected to said reference voltage source; an electrical switching device connected between said ground line and said plurality of conductive reflectors; and a controller for controlling said electrical switching device, wherein said upper conductive reflector having one end connected to a terminal of said electrical switching device, and said lower conductive reflector having one end connected to another terminal of said electrical switching device and the other end connected to said ground line.
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Specification