Abstract: An antenna radome apparatus is provided, the apparatus including: an antenna generating circular polarization; a radome protecting the antenna from an external environment; and a metal mask pattern having a predetermined shape on an inner wall or an outer wall of the radome, wherein the metal mask pattern suppresses a multipath signal flowing into the antenna.

Abstract: Disclosed is a decoupling dipole structure that renders a midband dipole effectively transparent to a nearby lowband dipole. This not only improves the beam quality in the lowband without sacrificing beam quality in the midband, it also enables different lowband dipoles to be employed to customize the lowband performance of the multiband antenna without requiring a redesign of the midband dipoles or of the array face.

Abstract: An operation method of a first communication node may comprise: receiving one or more polarized radio signals transmitted from a second communication node included in the communication system through one or more receive polarized antennas included in the first communication node; performing a receive polarized antenna alignment state adjustment operation so that a detection result for a magnitude of an electric field excited by the one or more polarized radio signals is maximized; and receiving a first polarized signal transmitted from the second communication node through at least part of the one or more receive polarized antennas based on a result of the receive polarized antenna alignment state adjustment operation.

Abstract: A reflection apparatus includes a base plate, where one side is used to dispose a radiation unit, and the other side is used to dispose a feeding network; a first side plate and a second side plate that are separately connected to the base plate and that are disposed opposite to each other, where the first side plate and the second side plate each extend relative to the base plate and toward the side used to dispose the feeding network; a first return plate connected to the first side plate, where the first return plate extends relative to the first side plate and toward a direction of the feeding network; and a second return plate connected to the second side plate, where the second return plate extends relative to the second side plate and toward the direction of the feeding network.

Abstract: The present disclosure relates to base station antennas and base stations. One example base station antenna comprises an antenna array, a reflecting plate with a hole, a microstrip circuit comprising a first conductor strip, and a stripline cavity structure comprising a second conductor strip. The microstrip circuit and the stripline cavity structure are respectively located at opposite sides of the reflecting plate. The first conductor strip and the second conductor strip are connected through the hole.

Abstract: A radiator for an antenna comprises a feed board and a metal radiating arm The feed board comprises an electrically conductive segment, through which the feed board feeds the metal radiating arm by means of capacitive coupling. The radiating arm includes a first arm segment extending in a first direction, and a second arm segment extending from an outer side region of the first arm segment in a second direction different from the first direction.

Abstract: Disclosed is a decoupling dipole structure that renders a midband dipole effectively transparent to a nearby lowband dipole. This not only improves the beam quality in the lowband without sacrificing beam quality in the midband, it also enables different lowband dipoles to be employed to customize the lowband performance of the multiband antenna without requiring a redesign of the midband dipoles or of the array face.

Abstract: An antenna includes a control unit and first to Nth antenna elements. N is an integer that is four or more. The control unit controls input of signals to each antenna element. Among each antenna element, open ends of the second to Nth antenna elements extend in directions different from a direction in which the first antenna element extends. Among signals input to each antenna element, signals input to the second to Nth antenna elements have phases different from a phase of a signal input to the first antenna element. The control unit controls a state to be in a first state, where signals are input to each antenna element to radiate a circularly polarized wave in a first direction or a second state, where signals are input to one or more of the antenna elements to radiate a linearly polarized wave in a direction different from the first direction.

Abstract: The present invention includes fan near vertical incident skywave (NVIS) antennas, communication systems and method of use. Fan NVIS antennas may be configured in either base station or remote station for use with transceivers. Fan NVIS base station antennas may be in configurations of either 3 or 4 dipoles and include waist wires connecting adjacent vertices and skirt wires connecting dipole end points. Fan NVIS remote station antennas may be in a 2-dipole configuration and also include skirt wires connecting adjacent dipole end points.

Abstract: A radiating element comprises a first radiator having first and second dipole arms that each include a narrowed arm segment and a widened arm segment and a second radiator having third and fourth dipole arms that each include a narrowed arm segment and a widened arm segment, a first feed line configured to feed a first polarized RF signal to the first through fourth dipole arms, and a second feed line configured to feed a second polarized RF signal to the first through fourth dipole arms.

Abstract: An antenna device includes a plurality of first antennas for communication in a first frequency band, a first ground plane configured to provide a ground voltage to the first antennas, a plurality of second antennas for communication in a second frequency band, and a second ground plane configured to provide a ground voltage to the second antennas, and the first ground plane and the second ground plane are electrically isolated from each other.

Abstract: A base station antenna assembly that may include a base station antenna having a frame and a radome that covers the frame; and a first radio mounted to a radio support plate on a rear side of the base station antenna. The radio support plate may be configured to attach to the base station antenna by at least one guide rail that cooperates with one or more guide structures of the radio support plate. A rear surface of the radome may include a plurality of access holes, and the base station antenna assembly may include a plurality of connectorized cables soldered to components within an interior of the base station antenna that extend from the interior of the base station antenna through respective ones of the access holes.

Abstract: Embodiments of this application disclose an antenna. The antenna includes a balun structure, a radiation structure disposed on the balun structure, and a coupling structure disposed on the radiation structure. The coupling structure is configured to eliminate or mitigate an interference current, to reduce impact of the interference current on the antenna, thereby reducing radiation of the antenna on the interference current.

Abstract: Disclosed is a high frequency radiator for an antenna. The high frequency radiator is formed of two interlocking PCB stems on which a radiator plate is mounted. Disposed on each of the interlocking PCB stems are two combinations of a feeder metallic trace and an opposing metallic trace, disposed on opposite sides of the PCB stem and electrically coupled together by at least one via formed in the PCB stem and a solder point within the via. This configuration of high frequency radiator is considerably cheaper to manufacture compared to conventional designs and is less susceptible to impedance matching problems resulting from inconsistent solder joint dimensions.

Abstract: A method for implementing a relocatable Over-The-Horizon-Radar (OTHR) including transmitting mutually orthogonal signals on each of a plurality of antenna elements of a transmitting system, and receiving and decoding the signals at a plurality of receiving systems to synthesize beams from the orthogonal signals. Each receiving system has a plurality of antenna elements fewer in number than the plurality of antenna elements of said transmitting system. The method includes connecting as a network the transmitting system, the plurality of receiving systems, and a network controller.

Abstract: A twin beam base station antenna includes a first array that has a plurality of columns of first frequency band radiating elements, the first array configured to form a first antenna beam that provides coverage throughout a first sub-sector of a three-sector base station. The radiating elements in a first of the columns in the first array have a first azimuth boresight pointing direction and the radiating elements in a second of the columns in the first array have a second azimuth boresight pointing direction that is offset from the first azimuth boresight pointing direction by at least 10°. The radiating elements in the second of the columns in the first array are electrically steered.

Abstract: The invention relates to an antenna, in particular suitable for IEEE 802.11 applications. The invention also relates to a wireless device, such as a wireless access point (AP), a router, a gateway, and/or a bridge, comprising at least one antenna according to the invention. The invention further relates to a wireless communication system, comprising a plurality of antennas according to the invention, and, preferably, a plurality of wireless devices according to the invention.

Abstract: A radiator includes a radiation substrate on which a dipole radiator configured to radiate a signal having a polarization of +45° and a signal having a polarization of ?45° is formed, a first transmission line substrate vertically coupled to the radiation substrate and having a first transmission line and a second transmission line, formed thereon, a second transmission line substrate that is vertically coupled to the radiation substrate, is spaced parallel to the first transmission line substrate, and has a third transmission line, and a fourth transmission line, formed thereon, and a distribution circuit board vertically coupled to the first transmission line substrate and the second transmission line substrate and configured to provide the signal having a polarization of +45° and the signal having a polarization of ?45° to the first to fourth transmission lines.

Abstract: A low frequency band radiating element for a multiple frequency band cellular base station antenna comprises a dipole arm including a radiating portion and a first coupling portion and a dipole leg that includes a leg and a second coupling portion located at one end of the leg. The first coupling portion is removably connected to the second coupling portion. A thin metal sheet with a suitable electrical performance can be selected for the dipole arm, and a thick metal plate can be selected for a dipole leg so as to achieve mechanical strength.

Abstract: The present invention discloses a base station, including a radome, a radiator, and an adapter board. The adapter board includes a first board surface and a second board surface that are disposed oppositely, the radome is fastened to the first board surface, a first cavity configured to accommodate an antenna component of the communication base station is formed between the radome and the adapter board, the radiator includes a mounting surface and a side wall that are neighboring to each other, a second cavity configured to accommodate a radio frequency component of the communication base station is recessed on the mounting surface, the mounting surface is fixedly connected to the second board surface, the second cavity is communicated with the first cavity, a connector configured to communicate the radio frequency component with an external circuit is mounted on the side wall, and is electrically connected to the radio frequency component.

Abstract: A radiating element for a base station antenna includes a feed stalk and a cross-dipole radiator mounted thereon. The cross-dipole radiator includes a dielectric mounting substrate, a first metal dipole that extends along a first axis on the dielectric mounting substrate, a second metal dipole that extends along a second axis on the dielectric mounting substrate that is generally perpendicular to the first axis, and an adhesive layer between the dielectric mounting substrate and the first and second metal dipoles.

Abstract: An antenna device includes an antenna space, a barrier, a signal processing device, and a feed space. The antenna space includes first and second antennas that transmit/receive first and second radio frequency (RF) signals in different bands. The barrier includes a penetration region, is disposed adjacent to the antenna space, and reflects the first and second RF signals. The signal processing device adjacent to the barrier, includes first and second RF circuits that process the RF signals. The feed space includes first and second feed layers and is disposed adjacent to and stacked on the signal processing device, and adjacent to the barrier. A first feed line connecting the first RF circuit to the first antenna passes through the first feed layer and the penetration region, and a second feed line connecting the second RF circuit to the second antenna passes through the second feed layer and the penetration region.

Abstract: A telecommunications antenna comprising a plurality of unit cells each including at least one radiator which transmits RF energy within a bandwidth range which is a multiple of another radiator. The radiators are proximal to each other such that a resonant condition may be induced into the at least one radiator upon activation of the other radiator. At least one of the radiators is segmented into capacitively-connected radiator elements to suppress a resonance response therein upon activation of the other of the radiator.

Abstract: Radiating elements include a first dipole radiator that extends along a first axis, the first dipole radiator including a first pair of dipole arms that are configured to resonate at a first frequency and a second pair of dipole arms that are configured to resonate at a second frequency that is different than the first frequency. Each dipole arm in the first pair of dipole arms comprises a plurality of widened sections that are connected by intervening narrowed sections.

Abstract: The invention relates to a multiband antenna, in particular for wireless networks, comprising: —a ground plane (7) extending along a longitudinal axis (A), —high band radiating elements (9a) set at the extremities of crosses, inclined at 45° with respect to the longitudinal axis (A), with an arm length being a dyadic fraction of a high-band wavelength (OHB), —low band radiating elements (9b) set at the extremities of crosses, inclined at 45° with respect to the longitudinal axis (A), with an arm length being a dyadic fraction of a low-band wavelength (OLB), characterized in that the high and low band radiating elements (9a, 9b) crosses are arranged along the longitudinal axis (A) of the metallic ground plane (7), in that the antenna comprises tubular separation walls (13) in electric contact with the ground plane (7), and in that the crosses are arranged in a pattern, wherein: —at least part of the high-band radiating elements (9a) are set inside the tubular separation walls (13), —the low-band radiating elem

Abstract: Antenna systems are provided. An antenna system includes a beamforming array having a plurality of vertical columns of radiating elements that are each configured to transmit at least three antenna beams per polarization. Moreover, the antenna system includes a beamforming radio having a plurality of radio frequency ports per polarization that are coupled to and fewer than the vertical columns.

Abstract: Disclosed is a midband dipole for use in a multiband antenna. The midband dipole has four folded dipoles, each of which is coupled to a decoupling circuit that has two capacitance points. The disclosed decoupling circuit configuration mitigates common mode resonance with nearby lowband dipoles, further preventing cross polarization in the midband.

Abstract: A twin beam base station antenna includes a first array that has a plurality of columns of first frequency band radiating elements, the first array configured to form a first antenna beam that provides coverage throughout a first sub-sector of a three-sector base station. The radiating elements in a first of the columns in the first array have a first azimuth boresight pointing direction and the radiating elements in a second of the columns in the first array have a second azimuth boresight pointing direction that is offset from the first azimuth boresight pointing direction by at least 10°. The radiating elements in the second of the columns in the first array are electrically steered.

Abstract: A multi-band antenna includes a reflector, and a plurality of first radiating elements on the reflector. The plurality of first radiating elements are configured to radiate a first antenna beam(s) in a first frequency band responsive to at least one feed signal. A passive radiation-filtering element is provided, which extends proximate the first antenna beam(s). The passive radiation-filtering element includes at least one of a low-pass LC circuit, a band-pass LC circuit, and a high-pass LC circuit therein, which is configured to provide a lower frequency-dependent impedance to radiation within the first frequency band relative to radiation at frequencies outside the first frequency band. The passive radiation-filtering element may be configured as a multi-segment fence having capacitive and inductive elements therein, which are electrically coupled in series.

Abstract: An antenna device comprising a first antenna, a second antenna and a circuit board. The first antenna includes a first insulating layer, a first signal-feeding line and two first grounding lines. The first signal-feeding line is disposed on a first surface of the first insulating layer. The first grounding lines are disposed on a second surface of the first insulating layer. The second antenna includes a second insulating layer, a second signal-feeding line and two second grounding lines. The second signal-feeding line is disposed on a first surface of the second insulating layer. The second grounding lines are disposed on a second surface of the second insulating layer. The first insulating layer and the second insulating layer intersect at about 90 degrees. The first and second antennas are disposed on a first surface of the circuit board. The first axis and the second axis are adjacent and substantially parallel.

Abstract: A dual polarised omnidirectional antenna apparatus (20) capable of operating in transmit and receive, comprising at least two dual polarised directional antennas (21) configured to be mountable in a substantially equi-spaced distributed array around and pointing away from a platform, wherein the antenna apparatus (20) is configured such that, when operated in transmit, the dual polarised directional antennas operate in phase with each other to deliver a combined omnidirectional, dual polarised, performance. This increases operational bandwidth and mitigates interference effects in communications applications.

Abstract: A dipole antenna fed by a planar balun includes a first radiation element and a second radiation element respectively corresponding to poles of the dipole antenna, at least one dipole support column configured to connect the first radiation element and the second radiation element and to fix a gap between the first radiation element and the second radiation element, a planar balun connected to the first radiation element and the second radiation element and configured to feed the first radiation element and the second radiation element, and a balun housing coupled to the dipole support column and enclosing the planar balun.

Abstract: An antenna array may include a plurality of printed circuit boards (PCBs) oriented in a stacked arrangement, parallel to and spaced apart from one another. Each of the PCBs may include a linear array of antenna elements, which cooperate with the linear arrays of antenna elements on other PCBs to form a two-dimensional array of antenna elements. The PCBs may be supported at one end by a common backplate in a cantilevered manner, with the linear arrays of antenna elements located near the free end of the PCBs. The PCBs may include a thicker portion and a thinner portion, and the thinner portion may include a heat sink or other thermal dissipation structure.

Abstract: The present disclosure provides a high-frequency oscillator assembly and a base station antenna. The high-frequency oscillator assembly comprises a balun supporting component and a baseplate. The balun supporting component comprises two balun supporting plates. The balun supporting plate comprises a first surface and a second surface. The first surface comprises a feeder circuit comprising a transmission line and a feeder line. The second surface comprises a first open-circuit filtering branch. The transmission line is disposed on one side of the other balun supporting plate. The feeder line is disposed on the other side of the other balun supporting plate. The first open-circuit filtering branch and the feeder line are electrically connected. The baseplate is disposed on the balun supporting component and comprises a plurality of oscillator arms. The feeder lines are electrically connected with the corresponding oscillator arms respectively.

Abstract: Aspects of the subject disclosure may include, for example, a polarization shifter including a lower substrate having disposed thereon first and second transmission lines for coupling to a feed network, an upper substrate having disposed thereon third and fourth transmission lines for respective communicative coupling to orthogonally-polarized elements of a radiating element, and a dielectric layer residing between the lower substrate and the upper substrate, the upper substrate being configured to mechanically couple to the radiating element, the dielectric layer coupling the first transmission line with the third transmission line and coupling the second transmission line with the fourth transmission line, the upper substrate being rotatable relative to the lower substrate to effect polarization adjusting for the radiating element to facilitate avoidance of interference or passive intermodulation (PIM). Other embodiments are disclosed.

Abstract: A dual band dipole radiator array includes a high band radiator array disposed on a dielectric layer for transmitting and receiving high band radar signals; a low band radiator array disposed on a front side of the high band radiator array for transmitting and receiving low band radar signals; a foam material between the low band radiator array and the high band radiator array for support; and a single aperture for both the low band radiator array and the high band radiator array for transmitting and receiving the radar signals, where the low band radiator array is comprised of a plurality of dipole structures disposed within the foam material and tuned to pass through high band radar signals to or from the high band radiator array.

Abstract: The utility model belongs to the antenna equipment. The broadband directed dual-band antenna with double polarization comprising active vibrators of the lower frequency band and vibrators of the higher frequency band, the vibrators arms having the same polarization that coincide with the vibrators arms of orthogonal polarization, at least two symmetrizing devices, two coaxial inputs and outputs or high-frequency transmission lines, a reflector. The effect of the utility model is the expansion of range of operating frequencies of the antenna.

Abstract: A high-gain miniaturized antenna element includes a radiation structure and a feed support structure. The radiation structure includes a first radiator and a second radiator. The first radiator is arranged horizontally. The second radiator is formed by bending an outer edge of the first radiator downwardly. The feed support structure includes a plurality of feed support parts arranged vertically. Each feed support part is a downward extension of the first radiator.

Abstract: A radiating element comprises a radiator, a feed stalk and a parasitic element. The radiator is fed by the feed stalk, and the parasitic element includes an electrically conductive structure that includes a meandered electrically conductive path. A coupling capacitor is formed between the electrically conductive structure and the radiator, and a center frequency of an operating frequency band of the radiator is higher than a center frequency of a first operating frequency band of the parasitic element.

Abstract: A base station antenna includes a backplane and a plurality of radiating elements that extend forwardly from the backplane. The antenna further includes a plurality of feed boards, and each of the feed boards has a respective group of one or more of the radiating elements mounted thereon. The antenna also includes a calibration port and a calibration circuit that has a calibration combiner that has an output that is coupled to the calibration port and a plurality of directional couplers that are coupled to the calibration combiner. At least a first portion of a first of the first directional couplers is implemented on a first of the feed boards.

Abstract: A system according to one embodiment includes a first antenna element configured to communicate a first signal, the first signal polarized in a first orientation; a second antenna element co-located with the first antenna element, the second antenna element configured to communicate a second signal, the second signal polarized in a second orientation, the second orientation orthogonal to the first orientation; and driver circuitry coupled to the first antenna element and the second antenna element, the driver circuitry configured to process the first signal and the second signal to achieve signal diversity in a wireless communication link.

Abstract: A base station antenna includes a radome and an antenna assembly that is mounted within the radome. The antenna assembly includes a backplane that includes a first reflector, a first array that includes a plurality of first radiating elements mounted to extend forwardly from the first reflector, a second reflector mounted to extend forwardly from the first reflector and a second array that includes a plurality of second radiating elements mounted to extend forwardly from the second reflector. The first radiating elements extend a first distance forwardly from the first reflector and the second radiating elements extend a second distance forwardly from the second reflector, where the first distance exceeds the second distance.

Abstract: A wireless signal transceiver device includes a dual-polarized antenna, a transmission circuit, a reception circuit and a processor. The dual-polarized antenna includes a first feed zone and a second feed zone. The first feed zone is used to receive a transmission signal for the dual-polarized antenna to transmit a first wireless signal accordingly. The second feed zone is used to output a reception signal generated according to a second wireless signal. The dual-polarized antenna is used to form a first radiated electric-field having a first co-polarization according to the first wireless signal and form a second radiated electric-field having a second co-polarization according to the second wireless signal. The first co-polarization and the second co-polarization form an angle between 45 degrees to 135 degrees to each other in a far field.

Abstract: An antenna with at least one pair of electrically conducting lands, and a second pair of spaced-apart electrically conducting lands or a single land, wherein the lands are parallel with respect to a first electrically conductive sheet is disclosed.

Abstract: The present disclosure relates to an antenna for mobile communication comprising a plurality of first radiators and at least one second radiator, which are disposed on a common reflector plane, the first radiators each including a reflector environment raised relative to the reflector plane, wherein the second radiator is disposed between a plurality of first radiators and is formed by parts of the respective reflector environment of the first radiators surrounding it.

Abstract: The invention refers to a radiating element comprising a support structure, a first dipole arranged on the support structure, and at least one electrically closed ring arranged on the support structure, wherein the ring surrounds the first dipole and is galvanically isolated from the first dipole, wherein a resonance frequency of the first dipole is higher than a center frequency of an operational bandwidth of the radiating element.

Abstract: A base station antenna assembly that may include a base station antenna having a frame and a radome that covers the frame; and a first radio mounted to a radio support plate on a rear side of the base station antenna. The radio support plate may be configured to attach to the base station antenna by at least one guide rail that cooperates with one or more guide structures of the radio support plate. A rear surface of the radome may include a plurality of access holes, and the base station antenna assembly may include a plurality of connectorized cables soldered to components within an interior of the base station antenna that extend from the interior of the base station antenna through respective ones of the access holes.

Abstract: Antenna elements are described that may include a radiator, a feeding portion, a first impedance transformer, a balun, and a second impedance transformer. The first impedance transformer, balun, and second impedance transformer may be disposed above a ground plane of an antenna array to reduce a bulk of the array. The array can also include a dielectric top layer for loading apertures of the antenna array. The antenna elements can also include anomaly suppressors can be provided to cancel common-mode resonances from the radiators.

Abstract: A radiator assembly for a base station antenna includes two dipoles arranged in a cross-over manner, each dipole including two dipole arms, and two feeding lines, each feeding line being associated with a respective one of the dipoles. Each dipole arm is integrally formed of sheet metal, and includes a radiating surface and a leg projecting from the radiating surface at an angle with the radiating surface, where the leg is electrically grounded.

Abstract: A radiating element for a base station antenna includes a first dipole radiator that has a first dipole arm that has a front surface and first and second extensions that project rearwardly from respective side edges of the front surface of the first dipole arm; a second dipole radiator that has a second dipole arm that has a front surface and first and second extensions that project rearwardly from respective side edges of the front surface of the second dipole arm; and a parasitic element having a first conductive segment that is configured to capacitively couple to the first extension of the first dipole arm, a second conductive segment that is configured to capacitively couple to the second extension of the second dipole arm, and a third conductive segment that electrically connects the first conductive segment to the second conductive segment.