A Launcher in Package (LiP) device for wireless communications, e.g., radar communications at 77 GHz, includes a printed circuit board (PCB) arranged between a radio frequency (RF) chip package and a radiating antenna structure. The PCB include an electromagnetic bandgap (EBG) structure including a plurality of EBG elements printed in a periodic pattern on the side of the PCB facing the radiating antenna structure. The plurality of EBG elements border at least one side of an RF channel through the PCB that couples an antenna element of the radiating antenna structure with a corresponding RF launcher in the RF chip package.

Disclosed is an antenna device comprising at least two antennas, designed for transmitting and/or receiving electromagnetic waves, and a circuit board device, wherein the antennas are arranged on the same circuit board device, the circuit board device comprises at least one decoupling layer through which a parasitic coupling of the antennas is reduced. The circuit board device comprises at least one upper substrate layer on which at least one metal strip with predetermined dimensions is arranged, wherein the metal strip is separated from the at least one decoupling layer by at least one upper substrate layer.

An antenna device implemented to prevent the deterioration in radiation performance due to a metal mechanical part and an electronic device including the same is provided. The electronic device includes a metal member in a shape of a loop that is disposed in at least one area of the electronic device and a substrate (printed circuit board (PCB)) for supplying power to a preset location of the metal member in order to use the metal member as an antenna radiator, wherein at least one location of the metal member that differs from the power-supplied location is grounded through the substrate.

A rectifier is provided for converting an oscillating electromagnetic field into a direct current and comprises an electrically conductive antenna layer configured to absorb electromagnetic radiation, an electrically conductive mirror layer configured to provide an electromagnetic mirror charge of the antenna layer, an electrically insulating tunnel barrier layer positioned between the antenna layer and the mirror layer, and an electronic circuit electrically connected between the conductive mirror layer and the conductive antenna layer. The rectifier employs a metamaterial configuration for room temperature rectification of radiation in regions of the electromagnetic spectrum comprising the MWIR and LWIR regions. Methods for use of the rectifier in rectifying and detecting radiation are described.

A fixed beam ramp electromagnetic band gap (EBG) antenna including a radiating element and an electromagnetic band gap (EBG) structure both disposed within a ramped cavity. The cavity is designed with the ramp leading to the EBG structure disposed about a base of the cavity. The radiating element can be disposed above the EBG structure and the EBG structure may have a plurality of unit cells. The EBG structure can be provided both, horizontally on the floor of the cavity and vertically along a back wall of the cavity. The use of both horizontal and vertical EBG structures combined with the ramped cavity increases the bandwidth and enhances the beam steering of the antenna system.

The present disclosure provides system and methods for optimizing the tuning of impedance elements associate with sub-wavelength antenna elements to attain target radiation and/or field patterns. A scattering matrix (S-Matrix) of field amplitudes for each of a plurality of modeled lumped ports, N, may be determined that includes a plurality of lumped antenna ports, N.sub.a, with impedance values corresponding to the impedance values of associated impedance elements and at least one modeled external port, N.sub.e, located external to the antenna system at a specified radius vector. Impedance values may be identified through an optimization process, and the impedance elements may be tuned (dynamically or statically) to attain a specific target radiation pattern.

The present disclosure provides system and methods for optimizing the tuning of impedance elements associate with sub-wavelength antenna elements to attain target radiation and/or field patterns. A scattering matrix (S-Matrix) of field amplitudes for each of a plurality of modeled lumped ports, N, may be determined that includes a plurality of lumped antenna ports, N.sub.a, with impedance values corresponding to the impedance values of associated impedance elements and at least one modeled external port, N.sub.e, located external to the antenna system at a specified radius vector. Impedance values may be identified through an optimization process, and the impedance elements may be tuned (dynamically or statically) to attain a specific target radiation pattern.

An electromagnetically reflective plate for a miniature antenna device includes: etched conductive elements on a first dielectric substrate layer; an apertured ground plane placed between the first substrate layer and a second dielectric substrate layer; a set of metal through-vias formed in the thickness of the two substrate layers, each including an upper end making contact with one of the conductive elements, a lower end reaching a lower face of the second substrate layer, and passing through the ground plane without electrical contact in one of its apertures. Each conductive element makes contact with a plurality of vias and each via of each conductive element is connectable to another via of a neighboring conductive element using a corresponding electrical connection making contact with the lower end of this via. At least some of the electrical connections include one or more meanders.

An active artificial magnetic conductor comprising an array of unit cells, each unit cell comprising an electrically conductive patch that is connected with an electrically conductive patch of neighboring unit cell in a column of unit cells using a non-Foster negative inductor and having RF isolating plates or walls between rows of unit cells. These isolating plates or walls eliminate undesirable cross coupling between the non-Foster negative inductors. The electrically conductive patches may be formed by metallic patches preferably arranged in the 2D array of such patches. Each patch preferably has a rectilinear shape.

Provided is a directional monopole array antenna using a hybrid ground plane in which a plurality of monopole antennas are connected in a form of an array, wherein the monopole antennas includes: a ground plane designed to be divided into a PMC (perfect magnetic conductor) and a PEC (perfect electric conductor) such that a surface current induced in the PEC flows in a direction; and an antenna device vertically disposed in the ground plane.