System and dielectric antenna with non-uniform dielectric
First Claim
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1. A communication device, comprising:
- a dielectric horn antenna having a non-uniform spatial distribution of relative permittivity, wherein, when a longitudinal axis of the dielectric horn antenna is oriented in a horizontal orientation, the relative permittivity varies along a vertical axis of the dielectric horn antenna as a monotonically decreasing function from a largest negative vertical deviation from the longitudinal axis to a largest positive vertical deviation from the longitudinal axis;
a cable comprising a dielectric core coupled to a feed point of the dielectric horn antenna; and
a transmitter, coupled to the cable, the transmitter facilitating a transmission of electromagnetic waves, the electromagnetic waves guided by the dielectric core, without an electrical return path, to the feed point of the dielectric horn antenna.
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Abstract
Aspects of the subject disclosure may include, for example, a solid dielectric antenna having a non-uniform spatial distribution of relative permittivity.
225 Citations
20 Claims
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1. A communication device, comprising:
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a dielectric horn antenna having a non-uniform spatial distribution of relative permittivity, wherein, when a longitudinal axis of the dielectric horn antenna is oriented in a horizontal orientation, the relative permittivity varies along a vertical axis of the dielectric horn antenna as a monotonically decreasing function from a largest negative vertical deviation from the longitudinal axis to a largest positive vertical deviation from the longitudinal axis; a cable comprising a dielectric core coupled to a feed point of the dielectric horn antenna; and a transmitter, coupled to the cable, the transmitter facilitating a transmission of electromagnetic waves, the electromagnetic waves guided by the dielectric core, without an electrical return path, to the feed point of the dielectric horn antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An antenna structure, comprising:
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a feed point that facilitates coupling to a dielectric core that supplies electromagnetic waves to the feed point; and a solid dielectric horn antenna coupled to the feed point for receiving the electromagnetic waves, the solid dielectric horn antenna having a non-uniform spatial distribution of relative permittivity, wherein, when a longitudinal axis of the dielectric horn antenna is oriented in a horizontal orientation, the relative permittivity varies along a vertical axis of the solid dielectric horn antenna as a monotonically decreasing function from a largest negative vertical deviation from the longitudinal axis to a largest positive vertical deviation from the longitudinal axis. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An antenna, comprising:
three or more dielectric sections each composed of a different dielectric material, the three of more dielectric sections each comprising a corresponding lateral slice of a solid horn, wherein, when a longitudinal axis of the dielectric antenna is oriented in a horizontal orientation, the relative permittivity varies along a vertical axis of the dielectric antenna as a monotonically decreasing function from a largest negative vertical deviation from the longitudinal axis to a largest positive vertical deviation from the longitudinal axis. - View Dependent Claims (19, 20)
Specification