Abstract: A method for achieving multiple beam radiation vertical orthogonal field coverage by means of multiple feed-in dish antenna, comprising using a total metallic disc and plural feed-in antenna components, wherein it is possible to generate multiple sets of radiation beams by applying multiple sets of feed-in antenna components, and the coverage ranges created by different radiation beams may uniformly distribute there between so as to generate multiple communication service coverage areas. Moreover, since the field formed by the reflection of the total metallic disc is characterized in vertical orthogonality, advantages such as effectively increased coverage, improved energy utilization and radiation beam switches or the like can be provided.

Abstract: A feed network arrangement for generating a multi-antennae signal includes a plurality of coupler devices coupled to one another in waveguide technique, and a plurality of adjustable length of line devices. At least one of the plurality of adjustable length of line devices is coupled to at least one of the plurality of coupler devices, where the one of the plurality of adjustable length of line device is configured to calibrate an electrical length of a supply line of the at least one of the plurality of coupler devices, In addition, the plurality of coupler devices are arranged such that a plurality of inputs of the feed network arrangement are disposed on a first side of the feed network arrangement and a plurality of outputs of the feed network arrangement are disposed on a second side of the feed network arrangement.

Abstract: An antenna includes an antenna layer, a coupling layer, and a feeder circuit layer. The antenna layer includes antennas elements. First and second antenna elements are arranged in such a manner that the centers thereof are aligned in a first direction. A third antenna element is arranged in such a manner that the third antenna element is separated from the first antenna element in a second direction and centers of the antenna elements are not aligned in the second direction. A waveguide is formed in the coupling layer.

Abstract: A waveguide architecture for a dual-polarized antenna including multiple antenna elements. Aspects are directed to dual-polarized antenna architectures where each antenna element includes a polarizer having an individual waveguide with dual-polarization signal propagation and divided waveguides associated with each basis polarization. The waveguide architecture may include unit cells having corporate waveguide networks associated with each basis polarization connecting each divided waveguide of the polarizers of each antenna element in the unit cell with a respective common waveguide. The waveguide networks may have waveguide elements located within the unit-cell boundary with a small or minimized inter-element distance. Thus, unit cells may be positioned adjacent to each other in a waveguide device assembly for a dual-polarized antenna array without increased inter-element distance between antenna elements of adjacent unit cells.

Abstract: A flared feed horn including a plurality of signal lines deposited on a bottom surface of a substrate and forming part of a TE11 sum mode launcher, a ground plane deposited a top surface of the substrate, and an outer conductor electrically coupled to the ground plane and having an internal chamber, where the conductor includes a flared portion and a cylindrical portion. The outer conductor includes an opening opposite to the substrate defining an aperture of the feed horn. The feed horn also includes an embedded conductor positioned within the chamber and being coaxial with the outer conductor, where the embedded conductor is in electrical contact with the plurality of signal lines. The feed horn also includes a TE12 difference mode launcher electrically coupled to the outer conductor proximate the aperture.

Abstract: An outdoor unit includes a dish antenna and a low noise block converter positioned at a focus point of the dish antenna. The low noise block converter comprises a housing, a feed cap disposed on top of the housing, and an air permeable membrane disposed on a bottom portion of the housing. The housing includes a base portion, at least one feed horn protruding from the base portion, and a bottom cover attached to a bottom of the base portion so as to form a housing cavity, wherein the bottom cover has a vent hole forming a flow path between the housing cavity and an external environment. The feed cap is disposed on a feed portion of the at least one feed horn and the air permeable membrane is disposed over the vent hole and coupled to the bottom cover via an adhesive, wherein the membrane is configured to permit egress of a gas from the housing cavity therethrough.

Abstract: A low profile antenna assembly for an aircraft radome includes a reflector, a feed with a stacked array of septum polarizers, a mount, and a bracket. The feed, which includes bandpass and low pass filters, and broadwall branchline couplers, and the stacked array of septum polarizers, together determine polarization of the waves, attenuating unwanted signals and illuminating the entire reflector. The reflector comprises a portion of a parabolic reflector.

Abstract: The disclosed embodiments relate to a retro-directive array that facilitates a tracking operation. This retro-directive array includes a first antenna configured to receive an input signal which is substantially circularly polarized from a tracking device. The first antenna separates the input signal into two signal components (e.g., Ex and Ey) associated with different orthogonal polarizations, wherein the two signal components comprise a quadrature signal wherein Ey=j·Ex. The retro-directive array also includes a bi-directional quadrature gain (BQG) module coupled to the first antenna which is configured to boost the quadrature signal. It additionally includes a second antenna which configured to transmit the boosted quadrature signal to the tracking device.

Abstract: A spacecraft has a high efficiency multi-beam antenna (MBA) system that serves a coverage region on the Earth. The coverage region subtends an angle, when viewed from the spacecraft, of at least ten degrees. The antenna system provides, within the coverage region, at least sixteen spot beams. A signal provided by the MBA system to each spot beam has a carrier to interference ratio (C/I) of no less than 20 dB. The system enables use of a three color frequency reuse scheme without recourse to signal encoding.

Abstract: A horn (12) for elementary antennas for telecommunications, in particular satellite telecommunications, characterised in that the horn (12) includes a first emitting-receiving portion (22) adapted to emit and receiving an electromagnetic wave at a first frequency and a second emitting-receiving portion (24) adapted to emit and receiving an electromagnetic wave at a second frequency, the second emitting-receiving portion (24) being distinct and separate from the first emitting-receiving portion (22) and the ratio between the second frequency and the first frequency being greater than 1.2, preferably greater than 1.5.

Abstract: An antenna system capable of achieving simultaneous transmit and receive (STAR.) operation over a wide bandwidth includes a ring array of TEM horn elements and a centrally located monocone or bicone antenna. The TEM horn elements each include a capacitive feed. The elements of the ring array are excited using a phasing scheme that results in signal cancellation, at the location of the central element. The ring array may serve as either the transmit antenna or the receive antenna.

Abstract: A miniature interrogator antenna assembly including: a housing; a first miniature horn antenna in the housing having a first aperture; a second miniature horn antenna in the housing having a second aperture. The first and second miniature horn antennas are arranged in a canted configuration and are joint at a front of the assembly to form combined apertures at the front of the assembly. The antenna assembly further includes: a splitter/combiner having a matching portion, where the matching portion is positioned in the housing in such a way that an apex of the matching portion points to the front of the assembly; a plurality of annular grooves formed around the combined apertures at the front of the assembly; a sum input port coupled to a first waveguide with an H-plane bend feeding the splitter/combiner; and a difference input port coupled to a second waveguide feeding the splitter/combiner directly.

Abstract: A waveguide to parallel-plate transition is provided which includes a waveguide, an E-plane waveguide bend, an H-plane waveguide bend and a parallel-plate transmission line arranged in sequence. The E-plane waveguide bend is configured to bend a direction of a radio frequency (RF) field between the waveguide and the H-plane waveguide bend by approximately 90 degrees in an E-plane. The H-plane waveguide bend is configured to bend a direction the RF field between the E-plane waveguide bend and the parallel-plate transmission line by approximately 90 degrees in an H-plane, and the parallel-plate transmission line includes a slot through which the RF field can flow between the H-plane waveguide bend and the parallel-plate transmission line.

Abstract: A compact dual-polarization planar power splitter comprises at least four asymmetric orthomode transducers (OMTs) connected in an array suitable for being coupled in-phase to a dual orthogonal polarization feed source via two power distributors mounted perpendicularly in relation to one another, each power distributor comprising at least two lateral metal waveguides disposed parallel to one another, and a transverse metal waveguide coupled perpendicularly to the two lateral metal waveguides and four ends of the lateral waveguides coupled respectively to the four asymmetric OMTs.

Abstract: A leaky-wave antenna for a hearing device, the leaky-wave antenna including a coaxial radiator configured to receive audio signals from an external device and to indicate conductivity, and a grounding area provided in the coaxial radiator, wherein the leaky-wave antenna is connected to a housing of the hearing device.

Abstract: A connector including a first connector body and a mode-converting unit is provided. The first connector body includes a dielectric base, a shell and a pin set. The shell and the dielectric base are fixed to each other. The pin set is disposed on the dielectric base. The mode-converting unit includes a substrate and a mode-converting structure. The substrate is fixed to the first connector body and has a circuit. The shell constitutes a waveguide tube and is electromagnetically coupled to the circuit through the mode-converting structure. A signal is transmitted from the shell to the circuit through the mode-converting structure, or transmitted from the circuit to the shell through the mode-converting structure and emitted outward, such that the connector can be regarded as an antenna. The signal is a millimeter-wave signal.

Abstract: In an example embodiment, an airborne radio frequency (RF) antenna device can comprise: a radiating portion; a waveguide portion connected to the radiating portion; a desiccant airflow channel; and an internal air volume located within the RF antenna device and associated with the desiccant airflow channel. The desiccant airflow channel can be integral with the RF antenna device. The internal air volume can be vented to the environment outside of the RF antenna device through the desiccant airflow channel.

Abstract: In an example embodiment, an azimuth combiner comprises: a septum layer comprising a plurality of septum dividers; first and second housing layers attached to first and second sides of the septum layer; a linear array of ports on a first end of the combiner; wherein the first and second housing layers each comprise waveguide H-plane T-junctions; wherein the waveguide T-junctions can be configured to perform power dividing/combining; and wherein the septum layer evenly bisects each port of the linear array of ports. A stack of such azimuth combiners can form a two dimensional planar array of ports to which can be added a horn aperture layer, and a grid layer, to form a dual-polarized, dual-BFN, dual-band antenna array.

Abstract: Substrate embedded horn antenna includes a dielectric, metal patterns, metal vias and a ground plate. The metal patterns are embedded by being stacked in dielectric. Metal patterns are hollow rectangle types or hollow circle types. Metal vias connect layers of metal patterns by being embedded between layers of metal patterns. Ground plate is formed in an upper side of dielectric. Metal patterns form waveguide structure by being stacked in radial shape. Waveguide structure propagates electromagnetic wave by focusing electromagnetic wave. Embedded horn antenna capable of selectively using vertical radiation and horizontal radiation may be implemented using the via and metal pattern in dielectric substrate. Embedded horn antenna may be implemented in small size with high gain. Vertical embedded horn antenna and horizontal embedded horn antenna may be implemented in a substrate. Method of manufacturing embedded horn antenna capable of selectively using vertical radiation and horizontal radiation may be provided.

Abstract: Provided is an antenna apparatus which employs a small number of antenna devices and is intended to obtain a desired pattern without adjusting amplitude level and phase of each antenna device. The antenna apparatus includes a first ridge horn antenna, and a second ridge horn antenna spaced apart from the first ridge horn antenna by a determined distance. Here, a multi-beam pattern is generated using a third-order mode beam pattern of a synthetic beam obtained by synthesizing beams respectively radiated from the first and second ridge horn antennas. Accordingly, the antenna apparatus can be simplified, and a desired multi-beam pattern can be obtained without adjusting signal level and phase of each antenna device. Also, by employing the ridge horn antennas as array devices, the antenna apparatus can be used in a wide frequency band.

Abstract: A control device includes a first transceiver for communicating first control data with a first plurality of devices that utilize the millimeter wave frequency band in accordance with a first protocol, wherein the first transceiver utilizes the millimeter wave frequency band in accordance with the first protocol. A second transceiver communicates second control data with a second plurality of devices that utilize the millimeter wave frequency band in accordance with a second protocol, wherein the second transceiver utilizes the millimeter wave frequency band in accordance with the second protocol. A resource controller allocates resources of the millimeter wave frequency band to the first plurality of devices and the second plurality of devices based on the first control data and the second control data.

Abstract: There is provided a waveguide horn array, a method for forming the waveguide horn array, and an antenna system. The array includes a rectangular metal plate which is processed to have a cross section comprised of a plurality of rectangular holes arranged in the length direction of the rectangular metal plate, the lower part of each hole being formed as a rectangular waveguide, and the upper part of each hole being formed as a horn; and a groove extending in the direction along which the plurality of holes are arranged and having a predetermined depth, which is formed at two sides of the holes on the top surface of the rectangular metal plate. According to the embodiments, it is possible to maintain the good properties of the antenna in terms of bandwidth and directivity, while enhancing the isolation between the transmitting antenna and the receiving antenna in the system.

Abstract: A dielectric antenna includes at least one dielectric unit. Each dielectric unit is separated into a first region and a second region, and the second region could have a bending portion. A conductor covers a surface of the second region of the dielectric unit to form a waveguide structure. The waveguide structure has a first endpoint connected to the first region and a second endpoint serving as a signal feeding terminal for feeding or receiving signals.

Abstract: An electronic device comprising a first node to be coupled to a first antenna, a second node coupled to a second antenna, a third node to be coupled to a third antenna, a first comparator coupled with a first input to the first node and with a second input to a second node, a second comparator coupled with a first input to the first node and with a second input to the third node, a third comparator coupled with a first input to the second node and with a second input to the third node. Each of the first, the second and the third comparators are configured to compare a first current and a second current at the first input and the second input.

Abstract: A feed horn includes at least a wave guiding unit which has a pipe and two dielectric layers. The pipe has an opening and at least an inner surface extending from the opening to an inside of the pipe. The dielectric layers have a larger dielectric constant than air and are fastened to the inner surface of the pipe in a way that the dielectric layers face each other. As a result, the dielectric layers can improve isolation and directivity of cross polarization waves and co-polarization waves received by the feed horn.

Abstract: A radome for a feed horn includes a cover and at least a protrusion having an elliptic protruding portion shaped as a part of a hollow ellipsoid and provided with a convex surface and a concave surface opposite to the convex surface. The radome is defined with a plurality of first and second cross-sections. Curves of the convex and the concave surfaces in the first cross-sections are different from those in the second cross-sections. The convex and concave surfaces are substantially perpendicular to an advancing direction of a co-polarization wave and unperpendicular to an advancing direction of a cross polarization wave. As a result, the radome can be so thick as to be easily manufactured and not easily damaged and enhance the performance of the feed horn covered by the radome in sending and receiving signals.

Abstract: A control device includes at least one communication interface for communicating first control data with at least one first communication device that utilizes the millimeter wave frequency band in accordance with a first protocol and further for communicating second control data with at least one second communication device that utilizes the millimeter wave frequency band in accordance with a second protocol. A resource controller allocates resources of the millimeter wave frequency band to the at least one first communication device and the at least one second communication device based on the first control data and the second control data.

Abstract: An array of antenna feed elements includes a plurality of horns, each horn having an aperture and configured for transmission of electromagnetic energy therethrough. At least a first horn is configured with an electrically conductive external surface proximate to the aperture, the external surface contoured so as to reduce mutual coupling between the first horn and an adjacent horn. Where the electromagnetic energy is within a radio frequency (RF) band, the external surface is contoured so as to provide an abrupt change in a gap dimension between the first horn and an adjacent horn, the change occurring at a distance behind the aperture of equal to a multiple of one half the characteristic wavelength of the RF band.

Abstract: An antenna (100,200,300, 400, 500) comprising first (110, 210, 310, 410, 430) and second (120, 220, 320, 420, 440) structures for guiding electromagnetic waves, each comprising groups (111, 130, 150, 230, 330; 140,160, 240, 340, 445, 470) of radiation elements. For adjacent sections in 5 the structures, at least one applies: ?Groups of radiation elements are distributed along the two structures such that a group (110, 130, 150) in the first structure overlaps a group (120, 140,160) in the second structure partially or not at all. ?Radiation elements within said groups (230; 240) exhibit a common 10 main direction of extension within the group, and differs between the first and the second groups by an angle of at least 10 degrees. ?The radiation elements of the groups (330, 340) are distributed along the structures (310, 320) on sides of the structures which face different directions.

Abstract: A horn antenna for a radar device comprising a metal body having a tubular hollow waveguide section opening into a hollow horn section, a dielectric filling body filling up the inner space of the horn section, and a dielectric cover, wherein the horn antenna is configured to protrude in a measurement environment, protected from highly aggressive process environments and is usable over a wide temperature range.

Abstract: A modular feed network is provided with a segment base provided with a feed aperture, a corner cavity at each corner and a tap cavity at a mid-section of each of two opposite sides. A segment top is provided with a plurality of output ports. The segment top is dimensioned to seat upon the segment base to form a segment pair. the segment base provided with a plurality of waveguides between cavities of the segment base. The modular feed network is configurable via a range of feed, bypass and/or power divider taps seated in the apertures and/or cavities to form a waveguide network of varied numbers of output ports by routing across one or more of the segment tops. For example, the modular feed network may comprise 1, 4 or 16 of the segment bases retained side to side.

Abstract: Multipoint wireless communications are coordinated in cells with radiation that is emanated from antennas in an inward direction. In an example embodiment, an apparatus includes a first antenna, a second antenna, a third antenna and a controller. The first antenna emanates radiation from a first location in an inwardly direction for a cell. The second antenna emanates radiation from a second location in an inwardly direction for the cell. The third antenna emanates radiation from a third location in an inwardly direction for the cell. The controller coordinates the emanation of the radiation via the first, second, and third antennas so as to reduce intra-cell interference for remote terminals located within the cell. The coordination may be effected in accordance with one or more coordinated multi-point (transmission/reception) (CoMP) techniques. Different numbers of sub-cells and antennas per cell and different CoMP cell organizations may be implemented.

Abstract: There is provided a low profile antenna comprising a line source, a corporate feed network, and a plurality of radiating elements. The radiating elements are arranged in a linear array so as to be discrete in a first direction and each continuous in a second direction substantially perpendicular to the first direction. The corporate feed network is integrated with the linear array of radiating elements to provide for a compact design.

Abstract: Methods and systems for a smart antenna utilizing leaky wave antennas (LWAs) are disclosed and may include a programmable polarization antenna including one or more pairs of LWAs configured along different axes. One or more pairs of leaky wave antennas may be configured to adjust polarization and/or polarity of one or more RF signals communicated by the programmable polarization antenna. RF signals may be communicated via the configured programmable polarization antenna utilizing the configured one or more pairs of the leaky wave antennas. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. The polarization and/or polarity may be configured utilizing switched phase modules. The LWAs may include microstrip or coplanar waveguides, wherein a cavity height of the LWAs is dependent on spacing between conductive lines in the waveguides. The LWAs may be integrated in one or more integrated circuits, packages, and/or printed circuit boards.

Abstract: A scalable, high-bandwidth connectivity architecture for portable storage devices and memory modules may utilize EHF communication link chip packages mounted in various two-dimensional and three-dimensional configurations on planar surfaces such as printed circuit boards. Multiple electromagnetic communication links between devices distributed on major faces of card-like devices may be provided with respectively aligned pairs of communication units on each device. Adjacent communication units on a printed circuit board may transmit or receive electromagnetic radiation having different polarization, such as linear or elliptical polarization. Power and communication between communication devices may both be provided wirelessly.

Abstract: An antenna includes a first conductive plane, a second conductive plane disposed in parallel with the first conductive plane, a power-supply unit applying a high frequency signal between the first conductive plane and the second conductive plane, and at least one shunt which is aligned in the second conductive plane and includes a transmission line including an open end aligned in a plane above or below the second conductive plane and a conductive via electrically connecting another end of the transmission line to the first conductive plane. A distance between a bottom surface of the transmission line and the second conductive plane is less than a distance between the bottom surface of the transmission line and the first conductive plane. The transmission line is formed on a plane positioned to face the second conductive plane outside a region circumscribed between the first conductive plane and the second conductive plane.

Abstract: A feed assembly for a parabolic dish reflector is described. The feed assembly includes a waveguide cavity locatable at the focal point, or any other desired off-boresight location corresponding point, of the parabolic dish, at least one first radiating element optimized for operation at a first frequency band and provided on a top surface of the waveguide cavity, and a plurality of second radiating elements each optimized for operation at a second band of frequencies and provided on the top surface of the waveguide cavity.

Abstract: Methods and systems for a 60 GHz leaky wave high gain antenna are disclosed and may include communicating RF signals using one or more or more leaky wave antennas (LWAs) in a wireless device. The LWAs may be integrated in metal traces on a chip, a package, and/or a printed circuit board (PCB). The metal traces may supply voltage signals to one or more circuits on the chip, package, and/or PCB. The voltage signals may include DC bias voltages, and/or signals at a frequency that is lower than a resonant frequency of the LWAs. The LWAs may include microstrip or coplanar lines where a cavity height of the LWAs is dependent on a spacing between the lines. An angle of the wireless signals with a surface of the chip, package, and/or PCB may be dynamically configured. The LWAs may be configured via switches in the chip, package, and/or PCB.

Abstract: Methods and systems for converting RF power to DC power utilizing a leaky wave antenna (LWA) are disclosed and may include receiving RF wireless signals utilizing one or more LWAs in a wireless device, and generating one or more DC voltages from the received RF signals utilizing cascaded rectifier cells. A resonant frequency of the LWAs may be configured utilizing micro-electro-mechanical systems (MEMS) deflection. The LWAs may be configured to receive the RF signals from a desired direction. The LWAs may comprise microstrip or coplanar waveguides, wherein a cavity height of the LWAs is dependent on a spacing between conductive lines in the waveguides. The LWAs may be integrated in one or more integrated circuits, integrated circuit packages, and/or printed circuit boards. The packages may be affixed to one or more printed circuit boards and the integrated circuits may be flip-chip-bonded to the packages.

Abstract: An antenna array provided with two frames which form waveguides. Each frame includes a plate portion and frame portion. The plate portion includes grooves laid out next to one another. Each groove has an open end and a closed end. The frame portion is arranged adjacent to the plate portion. The frame portion has an opening that opens in a direction perpendicular to a direction in which the grooves extend and a direction in which the grooves are laid out. A dielectric substrate is held between the two frames. The dielectric substrate includes an array of feeders and electronic circuits, each circuit having a discrete active element. The circuits are exposed from the opening of either one of the frames. The frames are superimposed with the dielectric substrate so that the grooves form the waveguides. Each circuit is electromagnetically connected to a corresponding one of the waveguides.

Abstract: The subject of this disclosure may relate generally to systems, devices, and methods using interleaved waveguide elements. Specifically, systems, devices, and methods using a dual-polarized broadband, multi-frequency interleaved waveguide antenna aperture are presented. In one exemplary embodiment, a first plurality of waveguide elements are configured to communicate in a first frequency band. In this exemplary embodiment, a second plurality of waveguide elements are configured to communicate in a second frequency band. In one exemplary embodiment the first plurality of waveguide elements and the second plurality of waveguide elements are integrally coupled to a printed circuit board.

Abstract: Apparatus and methods for packaging IC chips and laminated antenna structures with laminated waveguide structures that are integrally constructed as part of an antenna package to form compact integrated radio/wireless communications systems for millimeter wave applications.

Abstract: Antenna arrays providing high gain during wireless communications are highly desirable for many applications including, but not limited to, multiple-in multiple-out (MIMO) streams and video transmissions. Optimized antenna arrays should also ensure ease of manufacture, thereby enhancing commercial viability. Circular antenna arrays including horn antennas or Yagi antennas are described, each circular antenna array ensuring ease of manufacture.

Abstract: Radio frequency identification (RFID) tag assemblies and methods having an RFID semiconductor chip, a conductor and an antenna, the RFID semiconductor chip has an antenna interface mounted on a mounting surface of a mounting substrate and a predetermined operating frequency, the conductor is electrically coupled to the antenna interface of the RFID semiconductor chip, and the antenna is electrically coupled to the conductor and includes a first radiating element lying in a first plane and a second radiating element lying in a second plane that is at an angle relative to the first plane.

Abstract: A communications system including an antenna array and electronics assembly that may be mounted on and in a vehicle. The communication system may generally comprise an external subassembly that is mounted on an exterior surface of the vehicle, and an internal subassembly that is located within the vehicle, the external and internal subassemblies being communicatively coupled to one another. The external subassembly may comprise the antenna array as well as mounting equipment and steering actuators to move the antenna array in azimuth, elevation and polarization (for example, to track a satellite or other signal source). The internal subassembly may comprise most of the electronics associated with the communication system.

Abstract: An antenna array formed of individual electrically connected pluralities of wideband antenna elements. The array features a centrally located rectangular ground plane having a top surface defined by four edges. Each of said pluralities of elements is engaged to a separate substrate which is engaged along one of the four edges. The substrates may be angled to adjust the footprint of the antenna.

Abstract: An antenna device includes a housing having a plurality of printed circuit board (PCB) panels connected together with folded joints therebetween to define a polyhedral shape having a first open end. Each of the PCB panels includes a dielectric substrate and an electrically conductive layer thereon inside of the housing. Wireless communication circuitry is mounted on at least one of the plurality of PCB panels outside the housing, and an antenna feed is connected to the wireless communication circuitry adjacent a second end opposite the first open end of the housing.

Abstract: A miniature interrogator antenna assembly including: a housing; a first miniature horn antenna in the housing having a first aperture; a second miniature horn antenna in the housing having a second aperture. The first and second miniature horn antennas are arranged in a canted configuration and are joint at a front of the assembly to form combined apertures at the front of the assembly. The antenna assembly further includes: a splitter/combiner having a matching portion, where the matching portion is positioned in the housing in such a way that an apex of the matching portion points to the front of the assembly; a plurality of annular grooves formed around the combined apertures at the front of the assembly; a sum input port coupled to a first waveguide with an H-plane bend feeding the splitter/combiner; and a difference input port coupled to a second waveguide feeding the splitter/combiner directly.

Abstract: A panel array antenna has a waveguide network coupling an input feed to a plurality of primary coupling cavities. Each of the primary coupling cavities is provided with four output ports, each of the output ports coupled to a horn radiator. The waveguide network is provided on a second side of an input layer and a first side of a first intermediate layer. The primary coupling cavities are provided on a second side of the first intermediate layer and the output ports provided on a first side of an output layer, each of the output ports in communication with one of the horn radiators. The horn radiators are provided as an array of horn radiators on a second side of the output layer. Additional layers, such as a second intermediate layer and/or slot layer, may also be applied, for example to further simplify the waveguide network and/or rotate the polarization.

Abstract: An antenna system comprising a first antenna corresponding to a horn antenna, a second antenna corresponding to a horn antenna disposed such that the E-plane of the second antenna is co-planar with the E-plane of the first antenna an such that an aperture of the first antenna and an aperture of the second antenna are substantially in a common plane; and a third antenna corresponding to a horn antenna disposed such that the E-plane of the third antenna is substantially co-planar with the E-plane of the first antenna and such that an aperture of said third antenna is substantially in the same plane as the aperture of the first and second antennas and wherein the second and third antennas are canted toward each other.