36 results about "Lens antennas" patented technology

Methods, systems, and devices for wireless communications are described. A network entity may generate a set of beamforming weights for a lens antenna associated with the network entity. Further, the network entity may generate the set of beamforming weights based on a convergence location corresponding to a target coverage area of a cell supported by the network entity. The convergence location may be based on the target coverage area and on one or more parameters of the lens antenna. As such, the network entity may transmit, via a set of antenna elements of the lens antenna, a signal to a user equipment (UE) in accordance with the set of beamforming weights for the lens antenna such that the signal may be spatially distributed within the target coverage area of the cell.

An antenna module and communication device containing the antenna module are disclosed. The antenna module is disposed in a metal cavity. The antenna module includes a switched beam mm-wave antenna array having radiating elements separated by less than a wavelength of the radiating elements. The array is fed by a single transceiver chain. The array is disposed at the focal length of a low-profile mm-wave lens configured to steer the beam. A sub-10 GHz antenna is disposed closer to the opening of the cavity than the lens. The lens is a Fresnel Zone Plate lens having a focal length of less than about the wavelength of the beam, or a Saucer lens having shells of different refractive indexes and having a profile that is more than 6 times smaller than a Luneburg lens with a same focal length.

The invention provides a bridge rapid incremental launching construction system, relates to the technical field of bridge engineering, and is used for reducing the construction cost. The lens antenna comprises a nested assembly and a feed source. Comprising a first fixing pier, a second fixing pier, a plurality of third fixing piers, a bridge assembly, a slide way assembly and a traction jack. The first fixing pier is arranged on one side of the railway. The second fixing pier is arranged on the other side of the railway. The multiple third fixing piers are arranged on the side, away from the railway, of the second fixing pier at intervals. The bridge assembly is arranged on the second fixed pier and the third fixed pier in a sliding mode and comprises a front guide beam, a concrete box beam and a rear guide beam which are sequentially connected. The slide way assembly comprises an upper slide way and a lower slide way, the upper slide way is matched with the lower slide way, the upper slide way is arranged on the side, facing the second fixing pier, of the concrete box girder, the upper slide way and the concrete box girder are integrally formed, and the first fixing pier, the second fixing pier and the third fixing pier are each provided with the lower slide way. And the traction jack is arranged on the second fixing pier.

To provide a lens adopted for an antenna device with a simple structure that a communication quality deterioration and a communication interruption are hardly generated in the case where it is adopted to a communication between mobile bodies.SOLUTION: A lens comprises a lens main body of a dielectric body, including a penetration hole in which a horizontal inner surface non-directional antenna is arranged, and includes a convex-like outer curvature of a rotation symmetry to a circumference of a center shaft of the penetration hole, and formed by a whole or a part of a peripheral direction of the rotation symmetry. An inner surface faced to the penetration hole of the lens main body is separated from the center shaft of the penetration hole by λ / 2π or more, and a distance of a separation may be not equal to a focal distance F in a radial direction of the lens main body. The outer curvature surface of the lens main body may be an aspherical surface that is determined on the basis of a relative dielectric constant of the dielectric body, a distance from the focal distance in the radial direction of the lens main body, and an end edge from a shaft direction center of the inner surface of the lens main body. The focal distance F in the radial direction of the lens main body may be a double of λ / 2π (λ is a wavelength of an electric wave). In the lens main body, a reflection member may be arranged in a partial omission part one part of the peripheral direction of the rotational symmetry is omitted.SELECTED DRAWING: Figure 7

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may send a first measurement report to a network entity, the first measurement report including a set of beam measurement results corresponding to a set of beams in a beam codebook. The network entity may then perform the weighted measurement calculation set to determine a first serving beam that is different from each beam in the set of beams in the existing beam codebook. The network entity may then send a first serving beam indication that commands the UE to begin monitoring the first serving beam. The UE may then send a second measurement report to the network entity comprising a second set of beam measurements, the second set of beam measurements comprising measurements for the first serving beam. The network entity and the UE may then communicate via the first serving beam based on the measurement for the first serving beam satisfying a threshold.

A mobile computing device includes a plurality of antennas. Each one of the plurality of antennas includes an antenna feed element. The mobile computing device includes a reflector or lens comprising at least one gradient-index (GRIN) lens, wherein the reflector or lens is further configured to focus a first signal generated by the antenna feed element and focus a second signal not generated by the antenna feed element onto the antenna feed element.

The invention relates to the technical field of lens antennas, and particularly discloses a dielectric cover of a multi-beam receiving lens antenna and a processing method, the dielectric cover comprises a spherical crown-shaped body and a waterproof material which coats the inner side and the outer side of the body and forms a waterproof layer, the waterproof material has a microwave signal wave transmission function, and the wave transmission rate is not lower than 0.9; the waterproof material comprises an epoxy resin adhesive, a curing agent and a diluent; the weight ratio of the epoxy resin adhesive to the curing agent to the diluent is (100: 10)-(13: 15). According to the multi-beam receiving lens antenna and the processing method of the multi-beam receiving lens antenna, the totally-closed waterproof thin film is strongly attached to the surface of the dielectric cover, on the basis that the adhesive force of the adhesive layer is ensured, the closed waterproof requirement is met, and the abrasion resistance of the dielectric cover is protected; and the wave-transparent and electrical performance requirements are met.

The utility model relates to the field of lens antennas, and particularly discloses a multi-beam lens antenna, which comprises an electromagnetic wave lens, a fixed clamping plate, a bottom plate and a power supply feed source group, fixing clamping plates are arranged in the middle outside the electromagnetic wave lens, a clamping plate rotating shaft is arranged between the fixing clamping plates, a clamping plate fixing plate is arranged at the other end, connected with the clamping plate rotating shaft, of one section of each fixing clamping plate, a power feed source set is arranged in the middle of the bottom plate, and a first feed source is arranged in the middle of the top of the power feed source set. The feed source group support is arranged at the bottom of the electromagnetic wave lens, inclined plates are arranged on the two sides of the top of the bottom plate, sliding rails are arranged on the inclined plates, sliding blocks are arranged on the sliding rails, power supply feed source groups are arranged on the sliding blocks, and second feed sources are arranged on the power supply feed source groups on the sliding blocks; the multi-beam lens antenna provided by the utility model realizes a plurality of groups of feed sources with adjustable positions and adjustable angles.

To provide a lens antenna capable of suppressing the deterioration of plane wave characteristics more effectively than conventional lens antennas.SOLUTION: A lens antenna includes at least a dielectric lens 10 having a spherical shape on at least one side with a circular edge 11 formed around the outer periphery of the spherical shape, and a wave source 30 that radiates radio waves to the dielectric lens 10. Inside the circular edge 11 on the other side of the dielectric lens 10, an annular uneven member 21 is arranged with an uneven portion 211 composed of a plurality of recesses 211B and a plurality of protrusions 211A along the circular edge portion 11.SELECTED DRAWING: Figure 3

This invention discloses a microwave non-destructive testing device for grain moisture content. The device includes a shell, metamaterial lens antennas, a grain container, a 4.3-inch capacitive touchscreen, a coaxial cable, a near-infrared temperature probe, a microwave absorbing material plate, and a main control circuit board. The main control circuit board includes a main control chip, a 24GHz microwave transmitting circuit, and a 24GHz microwave receiving circuit. The main control circuit board is connected to symmetrical metamaterial lens antennas on both sides of the device via the coaxial cable. The device measures the change in scattering parameters between the two antennas using microwave signals, calculates the complex permittivity of the grain moisture content based on this change, and then uses a density-independent algorithm and a temperature calibration algorithm to invert the grain moisture content. The measurement results are displayed on the capacitive touchscreen. A microwave absorbing material plate is attached to the inner surface of the shell to reduce microwave reflection interference; a near-infrared temperature probe is used to quickly detect the grain temperature, reducing measurement errors caused by temperature.

An apparatus for controlling a beamwidth of a millimeter-wave (mmW) device, the apparatus comprising: a lens; a mmW antenna; and an actuation arrangement operatively connected to the lens and the mmW antenna, wherein the actuation arrangement is configured to vary the beamwidth of the mmW antenna based on a control signal.

Methods, systems, and devices for wireless communications are described. A network entity may generate a set of beamforming weights for a lens antenna associated with the network entity. Further, the network entity may generate the set of beamforming weights based on a convergence location corresponding to a target coverage area of a cell supported by the network entity. The convergence location may be based on the target coverage area and on one or more parameters of the lens antenna. As such, the network entity may transmit, via a set of antenna elements of the lens antenna, a signal to a user equipment (UE) in accordance with the set of beamforming weights for the lens antenna such that the signal may be spatially distributed within the target coverage area of the cell.

The application belongs to the technical field of lens antennas, and particularly relates to an inner-focus dragon lens antenna based on an arithmetic progression layer, which comprises a horn-shaped feed source and an inner-focus dragon lens, the horn-shaped feed source is arranged at the bottom surface center position of the inner-focus dragon lens; the inner-focus dragon lens is divided into ten layers by using an arithmetic progression thickness method, wherein the spherical center layer is the first layer, and the outermost layer is the tenth layer; the thickness of the first layer of the inner-focus dragon lens is 0.4 times the radius of the entire inner-focus dragon lens, the thickness of the second layer is 1.6 mm, and the thickness of each layer is smaller than that of the previous layer by d=0.15 mm starting from the third layer; the inner-focus dragon lens is subjected to layering treatment by using the arithmetic progression thickness layering method, and the gain of the spherical lens antenna and the inner-focus lens antenna is improved.

The present invention relates to an all-metal dual-polarized Luneburg lens multi-beam antenna, belonging to the technical field of lens antennas. It is characterized by comprising an upper metal plate and a lower metal plate. The surfaces of the upper and lower metal plates are loaded with metal columns of different heights, and a column-loaded metal plate structure is used to control the phase velocity of the vertical polarization mode. In combination with a parallel flat plate waveguide structure, the horizontal polarization mode phase velocity is controlled by controlling the distance between the metal plates. The lens antenna uses 7 groups of waveguide orthogonal mode couplers with adjacent angular spacing of 16° surrounding the lens as a feeding structure to realize dual-polarization feeding. By selecting different feeding ports, dual-polarization beam scanning is realized, which is of great significance to the improvement of the channel capacity and transmission rate of the communication system.

Methods, systems, and devices for wireless communications are described. A network entity may generate a set of beamforming weights for a lens antenna associated with the network entity. Further, the network entity may generate the set of beamforming weights based on a convergence location corresponding to a target coverage area of a cell supported by the network entity. The convergence location may be based on the target coverage area and on one or more parameters of the lens antenna. As such, the network entity may transmit, via a set of antenna elements of the lens antenna, a signal to a user equipment (UE) in accordance with the set of beamforming weights for the lens antenna such that the signal may be spatially distributed within the target coverage area of the cell.

To provide a lens adopted for an antenna device with a simple structure that a communication quality deterioration and a communication interruption are hardly generated in the case where it is adopted to a communication between mobile bodies.SOLUTION: A lens comprises a lens main body of a dielectric body, including a penetration hole in which a horizontal inner surface non-directional antenna is arranged, and includes a convex-like outer curvature of a rotation symmetry to a circumference of a center shaft of the penetration hole, and formed by a whole or a part of a peripheral direction of the rotation symmetry. An inner surface faced to the penetration hole of the lens main body is separated from the center shaft of the penetration hole by λ / 2π or more, and a distance of a separation may be not equal to a focal distance F in a radial direction of the lens main body. The outer curvature surface of the lens main body may be an aspherical surface that is determined on the basis of a relative dielectric constant of the dielectric body, a distance from the focal distance in the radial direction of the lens main body, and an end edge from a shaft direction center of the inner surface of the lens main body. The focal distance F in the radial direction of the lens main body may be a double of λ / 2π (λ is a wavelength of an electric wave). In the lens main body, a reflection member may be arranged in a partial omission part one part of the peripheral direction of the rotational symmetry is omitted.SELECTED DRAWING: Figure 7

The application discloses a dual-beam lens antenna, a multiple-input multiple-output antenna and a base station. The dual-beam lens antenna comprises a first vibrator unit group and a first lens. The first vibrator unit group comprises a plurality of first vibrator units and at least one second vibrator unit. The plurality of first vibrator units and the at least one second vibrator unit are arranged on the incident end side of the first lens. The plurality of first vibrator units focus corresponding first vibrator beams through the first lens, so as to cover a first position of a target area. The at least one second vibrator unit emits a second vibrator beam to a second position of the target area through the first lens. The first distance between the first position and the dual-beam lens antenna is much larger than the second distance between the second position and the dual-beam lens antenna. The application solves the technical problem that related plate-shaped antennas, lens antennas and the like cannot completely align and cover linear areas.

An electromagnetic antenna includes a channel configured to serve as a waveguide for electromagnetic radiation, a first and second feed disposed next to each other inside the channel at a first end thereof, the first and second feed being configured to radiate electromagnetic waves into the channel, an aperture lens disposed inside the channel near a second end thereof opposite to the first end, the aperture lens being configured to output collimated beams, a first focal lens disposed inside the channel adjacent to an outlet of the first feed, the first focal lens being configured to squint a beam radiated from the first feed toward a center of the aperture lens, and a second focal lens disposed inside the channel adjacent to an outlet of the second feed, the second focal lens being configured to squint a beam radiated from the second feed toward the center of the aperture lens.

The invention provides a dual-polarized broadband MIMO antenna, which comprises at least two dual-polarized broadband antennas adjacently arranged on a reflective conductive plate, each dual-polarized broadband antenna comprises a dual-polarized radiation unit, the dual-polarized radiation unit is surrounded by two conductive rings, the two conductive rings are connected through at least two conductive bands, and the conductive bands are connected with the dual-polarized radiation unit. A lens is arranged above the dual-polarized radiation unit; the lens provides the same delay coefficient for any polarized electromagnetic waves propagating parallel to the axis of the lens, and the delay degree of the lens to the electromagnetic waves propagating in the axis direction of the lens is larger than the delay degree of the lens to the electromagnetic waves propagating in other directions. Compared with a conventional antenna, the dual-polarization broadband MIMO antenna has higher gain and lower sidelobe level. The focusing device in the dual-polarized radiation unit and the conductive ring connected through the conductive band can focus electromagnetic waves radiated by the radiation unit to the lens above, so that mutual coupling between adjacent lens antennas is reduced.

The present invention discloses an artificial dielectric material, a lens unit, a manufacturing method and a lens antenna. The artificial dielectric material includes a substrate and a conductive material. The substrate is set as a porous structure and has a plurality of microporous chambers. The conductive material is set on the side wall of the microporous chamber. The shape of the microporous chamber and / or at least one of the shape, size, density and extension direction of the conductive material are adjusted to obtain different equivalent dielectric constants. The artificial dielectric material proposed in the present application has a stable structure, does not deform after long-term use, is acid-resistant, waterproof, flame-retardant, and has a dielectric constant of less than 30kg / m 3 The density of the conductive material is not lost, and the relative position of the conductive materials is fixed, so there is no contact and no influence on the intermodulation index of the base station antenna. Therefore, the artificial dielectric material and the manufacturing method thereof proposed in the present invention provide a higher degree of freedom for the design of the lens unit and the lens antenna.

The utility model belongs to the field of Luneberg lenses, and discloses a Luneberg lens antenna with an extremely small curved surface porous structure, a Luneberg lens is connected with a feed source, and the feed source is arranged on the periphery of the Luneberg lens, so that the volume of the lens antenna is reduced, the feed source can be directly parallel to the bottom surface of the cylindrical Luneberg lens, and the service life of the Luneberg lens antenna is prolonged. Problems existing in the actual installation process are greatly reduced, and multi-beam scanning can be achieved in the same plane by moving the feed source. According to the technology, based on comprehensive analysis of the performance and lightweight design of the Luneberg lens antenna, the optimal porous structure selection is obtained, and theoretical and technical support is provided for design of other types of Luneberg lens antennas.

A lens antenna and a lens antenna array are disclosed. A radio device and a method performed by the radio device are also disclosed. The lens antenna may include a lens, and two or more sets of antenna elements which are respectively disposed on two or more imaginary surfaces on a lateral side of the lens. The two or more imaginary surfaces may have different distances to a center point of the lens. The lens antenna array may include a plurality of lens antennas described above. The antenna elements in the plurality of lens antennas may be disposed on a same lateral side of the lenses in the plurality of lens antennas. A method for selecting antenna elements is performed by the radio device controlling the lens antenna or lens antenna array, when the lens antenna or lens antenna array operates as transmission or reception radio antennas.

The present invention relates to the technical field of lens antennas, and discloses a Luneburg lens antenna and its installation and positioning structure. The Luneburg lens antenna includes a lens housing and a Luneburg lens. The Luneburg lens is installed at the open end of the lens housing. The lens housing is rotatably installed on an adjustment plate and can be driven to rotate by a second driver. The adjustment plate can be tilted on a reference plate to change the main beam direction of the lens antenna. The present invention sets up a multi-level adjustment mechanism. For pitch adjustment, the second driver drives the lens housing to rotate around the adjustment plate to directly adjust the pitch angle of the antenna and change the main beam direction. For tilt leveling, three groups of adjustment rods perform tilt leveling on the adjustment plate through a leveling seat to compensate for mechanical installation errors and ensure the accuracy of beam pointing. For height and pitch linkage, the control sensor links the second driver to automatically adjust the pitch angle, that is, to lower when raising and raise when lowering, to maintain the main beam direction within the set range.

This invention relates to a DBF lens phased array antenna, belonging to the fields of wireless communication and antenna technology. It includes a low-cost planar electromagnetic lens, a sparse array antenna element, a coupling calibration network, a TR component, a cooling module, digital acquisition and DBF signal processing, and a power supply module. This invention combines a digital multi-beam phased array antenna with a lens antenna, exploring and researching low-cost DBF lens antennas to improve antenna gain. This provides technical support for reducing the cost of high-performance phased array antenna systems and lays a solid foundation for further reducing the cost of ad hoc network communication systems.

The application relates to the field of lens antennas, and discloses a wide-angle scanning lens terminal antenna, which comprises a total array composed of a plurality of array elements with the same structure, the array elements comprise corresponding lenses and phased feed source arrays from top to bottom, the phased feed source array is composed of 2N sub-arrays, each of the sub-arrays is composed of N*N antenna units, and N is equal to [2, +infinity]. The application further discloses a scanning mode of the wide-angle scanning lens terminal antenna. The high-gain and large-angle scanning performance of the terminal antenna are realized through the flat-convex lens antenna structure based on the phased feed source; compared with the traditional phased array antenna and the traditional lens antenna, the application has the effects of high flexibility, high gain and large scanning angle.

This application provides a method, apparatus, electronic device, and storage medium for manufacturing a lens antenna. The method includes: determining a first attribute of a first lens and a second attribute of a second lens, wherein the first attribute includes a first chromatic aberration value, and the second attribute includes a second chromatic aberration value; iterating according to a preset initial iteration value, the first chromatic aberration value, and the second chromatic aberration value to update the initial iteration value; and obtaining a first focal length corresponding to the first lens and a second focal length corresponding to the second lens when the initial iteration value is a target value. The lens antenna includes the first lens and the second lens arranged in parallel, and the distance between the first lens and the second lens is determined according to the first focal length and the second focal length. This application provides a method for manufacturing a lens antenna that achieves a wider applicable frequency band for the lens antenna.

The invention relates to the technical field of lens antennas, and discloses a Longbour lens antenna and an installation positioning structure thereof, the Longbour lens antenna comprises a lens shell and a Longbour lens, the Longbour lens is installed at the open end of the lens shell, the lens shell is rotatably installed on an adjusting plate and can be driven to rotate through a second driver, and the second driver is installed on the lens shell. The adjusting plate can perform inclination adjustment on the reference plate so as to change the beam main direction of the lens antenna. According to the invention, a multi-stage adjustment mechanism and pitching adjustment are set, the second driver drives the lens shell to rotate around the adjustment plate, the pitching angle of the antenna is directly adjusted, and the main direction of a beam is changed; inclination leveling: the three groups of adjusting rods perform inclination leveling on the adjusting plate through the leveling seat, so that mechanical installation errors are compensated, and the beam pointing accuracy is ensured; height and pitching are linked, a sensor is controlled to be linked with a second driver to automatically adjust the pitching angle, namely, the pitching angle is raised, downward pitching and upward pitching are lowered, and the main direction of a wave beam is maintained within a set range.

The invention provides an array antenna taking a plastic lens antenna as a unit, and relates to the technical field of antennas. Each plastic lens antenna unit is composed of a patch antenna and a customized lens above the patch antenna, and then 128 units form an array in a 16 * 8 mode. Besides, the lens is made of PTFE materials and is composed of a hyperboloid lens and a medium flat plate, and the design of the lens significantly enhances the gain of the unit and narrows the beam width. Finally, the whole antenna array achieves high gain and extremely narrow wave beams under 77GHz, and compared with a traditional array, the performance is greatly improved. The invention is mainly used for a high-precision radar detection system, has the advantages of high resolution, strong anti-interference capability, low cost and easiness in manufacturing, and has important potential application value.

A mobile computing device includes a plurality of antennas. Each one of the plurality of antennas includes an antenna feed element. The mobile computing device includes a reflector or lens comprising at least one gradient index (GRIN) lens, wherein the reflector or lens is further configured to focus a first signal generated by the antenna feed element and focus a second signal not generated by the antenna feed element onto the antenna feed element.

The present application discloses a massive MIMO multi-beam lens antenna system. The massive MIMO multi-beam lens antenna system comprises N columnar lens antenna arrays. Each columnar lens antenna array comprises M sub-columnar lens antennas arranged in the direction of the central axis of a columnar lens, P mechanical driving mechanisms, and K phase shifters. The mechanical driving mechanisms are installed in the columnar lens antenna array, and can drive rotation of the sub-columnar lens antennas to adjust the beam direction in the horizontal plane, thereby enabling horizontal-plane beam scanning of the lens antennas. Meanwhile, the phase shifters are disposed on the sub-columnar lens antennas, and can move vertically along the sub-columnar lens antennas to adjust the beam direction in the vertical plane, thereby enabling vertical-plane scanning of the lens antennas. In this way, a massive MIMO multi-beam lens antenna system capable of performing beam scanning in both the horizontal and vertical planes is achieved.