An antenna array is provided. The antenna array includes a plurality of M row antenna structures, each row antenna structure forming a row in the antenna array, M being a positive integer≥2, and a plurality of N column antenna structures, each column antenna structure forming a column in the antenna array, N being a positive integer≥2. Each row antenna structure includes a plurality of row antenna elements, where each row antenna element includes a main body tapering from a bottom portion to a tip portion. The bottom portion of each row antenna element includes a first leg portion having a first feed arrangement, and wherein each row antenna element is joined to at least one adjacent row antenna element so to form a conjoined row of notch antennas.

According to an embodiment, an antenna structure comprises a printed circuit board including an integrated circuit processing a radio frequency (RF) signal, a feeding line connected to the integrated circuit, and a feeding pad connected to the feeding line to transfer the RF signal and a conductive upper layer including an antenna slot pattern connected with the feeding pad through a waveguide and vertically opened to radiate or receive the RF signal. The conductive upper layer further includes an adjacent slot pattern around the antenna slot pattern.

An electronic device may have peripheral conductive housing structures, a display frame, a support plate, a logic board, and an antenna. The antenna may have a resonating element that includes a first slot between the logic board and a segment of the peripheral conductive housing structures, a second slot between the display frame and the segment, and optionally a third slot between the between the support plate and the segment. The slots may be at least partially overlapping, may have respective lengths, may be located at respective distances from a cover layer for the display, and may collectively receive radio-frequency signals in a frequency band such as the L5 GPS band. Switching circuitry and filter circuitry may be coupled to the antenna feed and/or to the antenna feed(s) of one or more adjacent antennas in the electronic device to help to isolate the antennas from each other.

Systems and methods for providing a broadband antenna are described. The systems and methods involved providing a current sheet array. The current sheet array comprises a plurality of unit cells coupled together. Each unit cell comprises a slot and a stripline feed. The stripline feed couples to a dipole array through the slot. An electric field in the slot of a first unit cell is perpendicular to one or more of the stripline feed of the first unit cell and one or more dipoles of the first unit cell.

Disclosed are aspects of an antenna including a body having a convex surface. A conductive structure is deposited onto an antenna region of the convex surface. The conductive structure is configured as a conformal slot antenna array. The antenna region of the convex surface includes corrugations having peaks and valleys. A plurality of slots of the conformal slot antenna array are located at the peaks and the valleys of the convex surface.

A unit cell can be used for a metasurface, metamaterial, or beamforming antenna. The unit cell includes a metal layer attached to a substrate. The metal layer defines an iris opening for the unit cell. One or more tunable capacitance devices are positioned within or across the iris opening. Each tunable capacitance device is to tune resonance frequency of the unit cell. Mass transfer technologies or self-assembly processes may be used to position the tunable capacitance devices.

A steerable antenna device for a reconfigurable wireless mesh network comprises a directionally-disordered quasi-uniform two-dimensional array including a plurality of antenna elements attached to the substrate. The steerable antenna device further comprises a plurality of switches for each one of the plurality of antenna elements, the switches configured to select, for each of the antenna elements, a respective phase delay from a respective set of possible phase delays by selecting a respective path from a set of possible respective paths in the network of antenna feed traces.

A method of forming a semiconductor device is provided. The method includes providing a radiating element structure and a semiconductor die. The radiating element structure includes a non-conductive substrate, a radiating element formed at a top side of the non-conductive substrate, and a conductive ring formed at the top side of the non-conductive substrate substantially surrounding the radiating element. The semiconductor die is interconnected with the radiating element by way of a conductive trace. An encapsulant encapsulates at least a portion of the radiating element structure. A top surface of the conductive ring exposed at a top surface of the encapsulant. A waveguide interface material is applied on at least a portion of the top surface of the encapsulant.

The present application discloses embodiments that relate to an electromagnetic apparatus. In one aspect, the present apparatus includes a circuit board configured to propagate an electromagnetic signal. The apparatus also includes a waveguide configured to propagate an electromagnetic signal. The apparatus further includes a coupling port configured to couple a signal between the circuit board and the waveguide, where the coupling port has dimensions based on a desired impedance of the port.

Examples disclosed herein relate to a Meta-Structure (“MTS”) antenna system with adaptive frequency-based power compensation. The MTS antenna system includes a radiating array structure having a plurality of radiating elements, and a transmission array structure coupled to the radiating array structure and feeding a transmission signal through to the radiating array structure. The transmission array structure has a plurality of super element transmission paths, each having a plurality of vias to form transmission paths and a plurality of slots for feeding the transmission signal to the radiating array structure, and a plurality of power amplifiers coupled to an adaptive feedback module, each power amplifier coupled to a super element transmission path, the adaptive feedback module to adjust a power gain at a center frequency.