An apparatus for space and terrestrial communication applications includes a Ka-band horn combined with a S-band cross-polarization cup. The S-band cross-polarization cup is placed around a neck of the Ka-band horn in a form of a collar.

A super resolution system, the system including: at least one antenna; transmission electronics; receiving electronics; and receiving computing electronics, where the transmission electronics are structured to transmit a first electromagnetic wave having an Orbital Angular Momentum wave-front thru the antenna towards a target, where the transmission electronics are structured to transmit a second electromagnetic wave having a non Orbital Angular Momentum wave-front thru a first portion of the antenna towards the target, where the receiving electronics are structured to form a first signal from a first return wave of the first electromagnetic wave, where the receiving electronics are structured to form a second signal from a second return wave of the second electromagnetic wave, and where the receiving computing electronics are structured to compute target information by using at least one difference between the first signal and the second signal.

A phased array antenna includes multiple antenna elements where each antenna element is an antenna apparatus that includes an antenna integrated with a filter. Each antenna apparatus includes a plurality of resonators where at least some of the resonators are each enclosed in a metal cavity and at least one resonator is exposed to free space to form a radiator element. Each antenna apparatus has a filter transfer function that is at least partially determined by dimensions of the radiator element and the position of the radiator element within the antenna apparatus. The scan volume of the phased array antenna is dependent on at least one physical dimension of the filter of the antenna apparatus.

An antenna device includes: a dielectric substrate having a feed line and a radiation unit provided on a first surface and having a ground conductor provided on a second surface opposite to the first surface; and a pair of second slits that is provided on a side of the radiation unit facing a side to which the feed line is connected and expands in directions away from each other toward the side to which the feed line is connected when the first surface is viewed from above.

The present disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system such as Long Term Evolution (LTE). According to embodiments in the present disclosure, an antenna device for dual polarization of a wireless communication system, comprises a print circuit board (PCB); a first feeding line configured to provide a first polarization signal; a second feeding configured to provide a second polarization signal; and a patch antenna comprising a radiating region and cutting regions. Objects corresponding to the cutting regions are disposed to support the radiating region on the PCB.

An antenna system including a ground plane, an antenna radiator separated from and overlapping the ground plane and at least one first conductive element extending the antenna radiator towards the ground plane. The antenna system also includes at least one feed element configured to provide a radio-frequency feed for the antenna radiator. The feed element is spatially separated from the first conductive element and the antenna radiator.

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.

Provided is an electronic device. The electronic device may include: a housing; and an antenna structure disposed in an internal space of the housing, wherein the antenna structure may include: a printed circuit board including a plurality of insulating layers; and at least one first conductive patch disposed on the printed circuit board, wherein the at least one first conductive patch may include: a first side having a first length; a second side parallel to the first side, spaced apart in a direction perpendicular to the first side, and having a second length shorter than the first length; a third side extending from one end of the first side in a direction perpendicular to the first side, and having a third length shorter than a vertical distance between the first side and the second side; a fourth side extending from an other end of the first side in a direction perpendicular to the first side, and having the third length; a fifth side connecting the third side and one end of the second side in a straight line; a sixth side connecting the fourth side and an other end of the second side in a straight line; a first feeding point disposed on a first virtual line passing through a center in the at least one first conductive patch and configured to transmit and/or receive a first signal of a first polarization; and a second feeding point disposed on a second virtual line passing through the center in the at least one first conductive patch and intersecting the first virtual line at a right angle and configured to transmit and/or receive a second signal of a second polarization perpendicular to the first polarization.

Embodiments of this application disclose an integrated circuit and a terminal device, to resolve a problem that an existing dual-band antenna has a relatively small low-frequency band range and is difficult to meet use requirements. An antenna includes a bearer structure, a first radiation patch, a second radiation patch, and a radio frequency processing chip. The first radiation patch, the second radiation patch, and the radio frequency processing chip are separately placed on different layers of the bearer structure. A first feed line and a second feed line are disposed in the bearer structure. The radio frequency processing chip feeds the first radiation patch by using the first feed line. The radio frequency processing chip feeds the second radiation patch by using the second feed line.

An antenna having high isolation and a low cross-polarization level, a base station, and a terminal are provided. The antenna includes a radiation layer, a feed layer, and an aperture coupling layer disposed between the radiation layer and the feed layer. The aperture coupling layer includes a metal sheet. A first feeding slot, a second feeding slot, and a middle slot are configured in the metal sheet. The middle slot is located between the first feeding slot and the second feeding slot, and is located in a weak electric field region of the metal sheet. The middle slot is configured between the first feeding slot and the second feeding slot of the metal sheet.