A low-profile array and a low-profile radiating element including: a stripline feed layer; a High Order Floquet (HOFS) part layer; and a radome layer in direct contact with the HOFS part layer, where the HOFS part layer is disposed between the stripline feed layer and the radome layer, and the radome layer includes a high dielectric constant (dk) environmentally robust material.

A package structure is provided that includes a planar core structure comprising a first side and a second side opposite the first side. The package structure also includes an antenna structure disposed on the first side of the planar core structure. The antenna structure comprises a plurality of first laminated layers, each first laminated layer comprising a first patterned conductive layer formed on a first insulating layer, an antenna formed on one or more first patterned conductive layers of the first laminated layers, the antenna including at least one L-shaped structure. The package structure also includes an interface structure disposed on the second side of the planar core structure, and an antenna feed line structure formed in, and routed through, the interface structure and the planar core structure, wherein the antenna feed line structure is not connected to the planar antenna.

An antenna module includes a dielectric substrate, in or on which a feed element is formed, a dielectric substrate, in which a ground electrode (GND) is formed, and conductive members. The dielectric substrate is disposed opposite the dielectric substrate. When viewed in plan in the direction normal to the feed element, the conductive members are disposed around the feed element. An air layer is formed between the dielectric substrate and the dielectric substrate. The conductive members are formed in the air layer.

An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises: an antenna feed to input a cylindrical feed wave; a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed; a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna; and a radio-frequency (RF) array coupled to the second layer, wherein the feed wave interacts with the RF array to generate a beam.

An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises an antenna feed to input a cylindrical feed wave and a tunable slotted array coupled to the antenna feed.

A dynamic antenna tuning system. The dynamic antenna tuning system includes: an antenna controller; and, a tunable antenna, the tunable antenna comprising a plurality of switches, the switches being controlled by the antenna controller to dynamically configure the antenna in one of a plurality of antenna geometry configurations.

According to an embodiment, an antenna includes a conductive antenna element, a voltage-bias conductor, and a polarization-compensation conductor. The conductive antenna element is configured to radiate a first signal having a first polarization, and the voltage-bias conductor is coupled to a side of the antenna element and is configured to radiate a second signal having a second polarization that is different from the first polarization. And the polarization-compensating conductor is coupled to an opposite side of the antenna element and is configured to radiate third a signal having a third polarization that is approximately the same as the second polarization and that destructively interferes with the second signal. Such an antenna can be configured to reduce cross-polarization of the signals that its antenna elements radiate.

Antennas with tunable elements and methods for using the same are disclosed. In some embodiments, an antenna comprises: a plurality of radio-frequency (RF) radiating antenna elements, wherein each antenna element of the plurality of RF radiating antenna elements comprises a tunable element, circuitry connected to the tuning element to set a voltage on the tunable element. In some embodiments, the circuitry comprises a voltage storage structure, a first transistor having a first gate connected to the voltage storage structure, a first source connected to the tunable element, and a first drain for coupling to a constant voltage source, and a data voltage input terminal operable to apply a voltage to the voltage storage structure and to the first gate to determine current through the first transistor.

An antenna module includes a first dielectric layer, an antenna layer, an electronic element and a first antenna tuning element. The first dielectric layer has an first dielectric surface and a second dielectric surface opposite to the first dielectric surface in a thickness direction. The antenna layer is formed in the first dielectric layer or formed on the first dielectric surface. The electronic element is disposed near to the second dielectric surface than to the first dielectric surface. The first antenna tuning element is formed on one of the first dielectric surface and the second dielectric surface and connected to the antenna layer. The first antenna tuning element and the electronic element are disposed in the thickness direction.

A substrate integrated waveguide fed antenna includes an electric dipole arrangement, a parasitic patch arrangement operably coupled with the electric dipole arrangement, and a feed structure. The feed structure includes a substrate integrated waveguide operably coupled with the electric dipole arrangement for exciting the electric dipole arrangement. A slotted conductive surface with a slot is arranged between the electric dipole arrangement and the feed structure for operably coupling the feed structure with the electric dipole arrangement.