A switchable antenna assembly is provided. The switchable antenna assembly includes a substrate, a ground plane disposed on the substrate, and a feed. The switchable antenna assembly includes a first planar antenna element extending from the ground plane in a first direction. The first planar antenna element is coupled to the feed by a first transmission line and is configured to produce a first radiation pattern. The switchable antenna assembly includes a second planar antenna element extending from the ground plane in a second direction orthogonal to the first direction of first planar antenna element and is configured to produce a second radiation pattern. The switchable antenna assembly includes a single pole - two-throw switching element configured to selectively couple one of the first transmission line or the second transmission line to the feed.
H01Q 3/24 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
An antenna configured to operate at millimeter wave frequencies is provided. The antenna includes a substrate and a ground plane. The antenna includes one or more active patch antenna elements that collectively define four corners, wherein the active patch antenna element(s) are positioned on a first surface of the substrate. The antenna includes four parasitic patch elements coplanar to the active patch antenna element(s) and adjacent to each respective corner of the active patch antenna element(s). The antenna includes a switching circuit configured to dynamically couple, to the ground plane, the first parasitic patch element, the second parasitic patch element, the third parasitic patch element, and/or the fourth parasitic patch element.
H01Q 3/24 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 5/25 - Ultra-wideband [UWB] systems, e.g. multiple resonance systems; Pulse systems
Example antenna assemblies are provided. In one example implementation, the antenna assembly includes a substrate having a first surface and an opposing second surface. The antenna assembly includes a ground plane. The antenna assembly includes a curved conical portion and a top portion. The top portion includes an undulating annular ring disposed on the curved conical portion.
An antenna system according to an example embodiment of the present disclosure can include a first substrate that can include an antenna array that can have a plurality of antenna elements. The antenna system can further include a second substrate that can be spaced apart from the first substrate and can include a radio frequency circuit that can be operable to carry a radio frequency signal to communicate via the antenna array. The first substrate can have a curved configuration relative to the second substrate such that at least one of the plurality of antenna elements can be disposed on a curved surface of the first substrate.
H01Q 1/38 - Structural form of radiating elements, e.g. cone, spiral, umbrella formed by a conductive layer on an insulating support
H01Q 21/06 - Arrays of individually energised antenna units similarly polarised and spaced apart
H01Q 3/30 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase
An antenna assembly includes a column substrate having a plurality of sides. The column substrate defines a cavity extending from a first end of the column substrate to a second end of the column substrate. The antenna assembly includes a monopole antenna disposed within the cavity. The monopole antenna is configured to communicate over a first frequency band ranging from about 5000 Megahertz to about 5900 Megahertz. The antenna assembly includes a circularly polarized antenna. The circularly polarized antenna includes a plurality of isolated magnetic dipole elements. Each of the isolated magnetic dipole elements is coupled to a different side of the column substrate. The circularly polarized antenna is configured to communicate over a second frequency band and a third frequency band. The second frequency band ranges from about 1560 Megahertz to about 1620 Megahertz. The third frequency band ranges from about 2400 Megahertz to about 2500 Megahertz.
H01Q 5/40 - Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
H01Q 9/30 - Resonant antennas with feed to end of elongated active element, e.g. unipole
H01Q 21/28 - Combinations of substantially independent non-interacting antenna units or systems
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
H01Q 21/24 - Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
H01Q 3/36 - Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the distribution of energy across a radiating aperture varying the phase by electrical means with variable phase-shifters
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