Abstract: A fixed wireless access system is implemented using orthogonal time frequency space multiplexing (OTFS). Data transmissions to/from different devices share transmission resources using—delay Doppler multiplexing, time-frequency multiplexing, multiplexing at stream and/or layer level, and angular multiplexing. Time-frequency multiplexing is achieved by dividing the time-frequency plan into subgrids, with the subsampled time frequency grid being used to carry the OTFS data. Antenna implementations include a hemispherical antenna with multiple antenna elements arranged in an array to achieve multiplexing.

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: Radiating elements include a first and second dipole arms that extend along a first axis and that are configured to transmit RF signals in a first frequency band. The first dipole arm is configured to be more transparent to RF signals in a second frequency band than it is to RF signals in a third frequency band, and the second dipole arm is configured to be more transparent to RF signals in the third frequency band than it is to RF signals in the second frequency band. Related base station antennas are also provided.

Abstract: A dual vertical beam cellular array is disclosed herein. In one embodiment, a cellular array includes discrete radiators coupled in pairs and arranged in-line. The radiators are connected to hybrid couplers configured to sum the output from the pairs of discrete radiators. A first power distribution network is configured to receive a first output from the hybrid couplers and produce a first beam, and a second power distribution network configured to receive a second output from the hybrid couplers and produce a second beam. According to some embodiments, the first beam is a main beam with high gain and the second beam is a coverage beam with a large coverage area.

Abstract: An example antenna system includes a plurality of dielectric rod stacks and a control circuit. The control circuit includes a plurality of independently controlled output circuit boards. Each independently controlled output circuit board includes a respective dielectric rod stack. The respective dielectric rod stack includes a plurality of respective dielectric rods. The control circuit selects: (i) the dielectric rod stacks, and (ii) the respective dielectric rods of the respective dielectric rod stack to adjust a beam of emitted or received radio frequency (RF) waves.

Abstract: An elliptically polarized cavity backed wideband slot antenna with a planar log-periodic dipole is provided. Sufficiently large bandwidth is achieved with careful design of the dipole. Also, the antenna has constant E-field distribution and good impedance properties, and ensures a constant power ratio for vertical polarization and horizontal polarization over a broad frequency band.

Abstract: A millimeter wave array antenna module and a mobile terminal are provided. The millimeter wave array antenna module includes a dielectric substrate, a radio frequency integrated circuit chip affixed to one side of the dielectric substrate, a plurality of antenna units arranged in an array and disposed on a side of the dielectric substrate facing away from the radio frequency integrated circuit chip, and a feeding network formed in the dielectric substrate. Each antenna unit is electrically connected to the radio frequency integrated circuit chip through the feeding network, and includes a substrate integrated waveguide and a patch antenna. The substrate integrated waveguide has a back cavity and the patch antenna is arranged in the back cavity and affixed to the substrate integrated waveguide.

Abstract: A device includes an antenna array with at least four antennas, wherein each antenna has its own feeder line terminal, wherein the feeder line terminals of antennas arranged directly adjacent to one another are geometrically offset from one another by 90° in each case. The device further includes a control device configured to feed the individual antennas via their respective feeder line terminals such that the antenna array exhibits different radiation patterns at different points in time. A first radiation pattern shows a polarized field distribution. According to the invention, a second radiation pattern exhibits an unpolarized field distribution.

Abstract: Base station antennas are provided herein. A base station antenna includes consecutive first, second, third, and fourth columns of radiating elements that are configured to transmit in a first frequency band. In some embodiments, the first and third columns are further configured to transmit in a second frequency band that is different from the first frequency band as a first MIMO pair, and the second and fourth columns are further configured to transmit in the second frequency band as a second MIMO pair. Additionally or alternatively, in some embodiments, the first and second columns are fed together and are further configured to transmit in a second frequency band as a first MIMO pair, and the third and fourth columns are fed together and are further configured to transmit in the second frequency band as a second MIMO pair. Related methods of operation are also provided.

Abstract: The present disclosure provides a dipole, wherein the dipole comprises a dipole body and a feeding line used for connecting to the dipole body, wherein the dipole body comprises an asymmetric wing feature structure. According to the present disclosure, the dipole can obviously improve ±60° cross-polarization and VSWR performance, and can greatly reduce weight and reduce assembly costs.

Abstract: A dual band antenna element comprises a support structure being a single molded part; a first feeding circuit and a second feeding circuit both arranged on the support structure; and a first radiating element arranged on the support structure and configured to radiate in a first operating frequency band. The first radiating element is fed by the first feeding circuit. Furthermore, a second radiating element is arranged on the support structure and configured to radiate in a second operating frequency band that is lower than the first operating frequency band. The second radiating element is fed by the second feeding circuit.

Abstract: Wideband phased mobile antenna array devices, systems, and methods include antenna elements arranged in a substantially linear array and positioned and adjusted on a substrate to achieve an aggregate radiation pattern in an end-fire direction. In some embodiments, each antenna element includes two pairs of antenna arms, a pair on either side of the substrate. In some embodiments, each pair of antenna arms are configured to be adjusted and positioned symmetrically to generate the end-fire radiation pattern. In some embodiments, each of the antenna elements in the linear array is spaced apart from each other by a distance that is equal to approximately ?/2, where ? is a wavelength associated with a frequency within a desired operating frequency range of the antenna system.

Abstract: An antenna array comprising at least two sets of antenna unit elements is disclosed. Each set of antenna unit elements supports a respective frequency band, wherein a vertical center-to-center distance between the antenna unit elements of a lowest frequency among the respective frequency bands is more than twice the vertical extension, D, of convex hull containing one antenna unit element of the lowest frequency, and antenna unit elements of at least a second set are arranged interleaved with the antenna unit elements of the lowest frequency. An arrangement comprising the antenna array and a network node is also disclosed.

Abstract: A multi-band antenna array includes first antenna elements and second antenna elements. Each first antenna element has a first shape spanned by a first long axis and a first short axis, the first long axis being longer than and perpendicular to the first short axis. Each second antenna element has a second shape spanned by a second long axis and a second short axis, the second long axis being longer than and perpendicular to the second short axis. The first long axis is non-parallel to the second long axis. The first antenna element and the second antenna element resonate at a high resonance frequency band along the first long axis and the second long axis, respectively, and the first antenna element and the second antenna element further resonate at a low resonance frequency band along the first short axis and the second short axis, respectively.

Abstract: Antenna arrays may include a first plurality of radiating elements responsive to respective pairs of first radio frequency signals and a second plurality of radiating elements responsive to respective pairs of second radio frequency signals. A shared radiating element is also provided, which is responsive to a corresponding pair of first radio frequency signals and a corresponding pair of second radio frequency signals. This shared radiating element may be equivalent in configuration to the first and second pluralities of radiating elements, or may have a unique configuration relative to the first and second pluralities of radiating elements. The first plurality of radiating elements and the second plurality of radiating elements can be aligned as respective first and second spaced-apart and collinear columns of radiating elements, with the shared radiating element disposed about equidistant between the first and second columns.

Abstract: An antenna array (20) with at least one dipole-type emitter arrangement (1), wherein the at least one dipole-type emitter arrangement (1) comprises two pairs (2, 3) of emitter halves (2a, 2b, 3a, 3b), which transmit and/or receive on two polarization planes (4a, 4b) that are perpendicular to one another. The emitter halves (2a, 2b, 3a, 3b) can be or are arranged on an emitter plane (5) at a distance from a reflector (6) and run parallel to said reflector. Two electrically conductive partial circumferential frames (15a, 15b, 15c) are provided, which are disposed between the emitter plane (5) and the reflector (6) at a distance from one another, wherein the at least two electrically conductive partial circumferential frames (15a, 15b, 15c) define one opening (17). The at least two partial circumferential frames (15a, 15b, 15c) are oriented parallel to the emitter plane (5).

Abstract: As a non-limiting example, various aspects of this disclosure provide embodiments of antenna apparatus using monocone antennas for wireless communication.

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: An antenna as an embodiment of the present invention is provided with an exciting element and a plurality of non-exciting elements. In a plan view, the exciting element includes a central region having a feeding point and at least three extending regions that extend radially from the central region. In the plan view, each non-exciting element includes a short circuit region having a short circuit point and a power receiving region located at a position where it is allowed to be capacitively coupled with corresponding one of the extending regions. In the plan view, a current path from the short circuit region to the power receiving region in each non-exciting element has a vertical component with respect to the extending direction of the corresponding one of the extending regions.

Abstract: An optoelectronic module management system includes a network connection communicatively coupled to an optoelectronic module, a memory, and a processing device operatively coupled to the memory. The processing device is configured to perform or control performance of operations that include identify the optoelectronic module via a management network. The optoelectronic module includes a management communication element that is communicatively coupled to the management network and an optical communication element that is communicatively coupled to a fiber optic cable. The operations further include add the optoelectronic module to a list of monitored devices, monitor the optoelectronic module, provide a service to the optoelectronic module in response to the monitoring, and generate a report of the service provided to the optoelectronic module.

Abstract: Exemplary embodiments, the present disclosure are related to an antenna system including radiating elements and reflectors. The reflectors can be disposed with respect to the radiating elements to reflect radiation from the radiating elements to generate a coverage area that exceeds the coverage area generated by the radiating elements without the reflectors.

Abstract: An array antenna is provided with a feeding line including a first branch line and a second branch line, and a coupling line. Radiating elements provided for the first branch line are disposed on one side of the first branch line. Radiating elements provided for the second branch line are disposed on a side of the second branch line that is opposite to the one side. A distance from a coupling part, in which the first and second branch lines couples with the coupling line, to a radiating element that is closest to the coupling part out of the plurality of radiating elements provided for the first branch line is greater than a distance from the coupling part to a radiating element that is closest to the coupling part out of the plurality of radiating elements provided for the second branch line, by (2n?1)?/2 in electrical length.

Abstract: The system and method for lightweight spiral antenna array packaging uses a foam core and metallic elements such that the foam core is machined to accept the folded metallic elements to create a compact and light weight assembly. The assembly can be bonded to other assemblies to form arrays. The array is then encapsulated in a prepreg fiberglass skin with a conductive layer of fabric/screen therein.

Abstract: A multi-polarized radiating element of the present disclosure includes first, second, third, and fourth radiating arms arranged in a four-way symmetrical manner on a plane; a first feeding line commonly fed to the fourth radiating arm and the first radiating arm, and commonly grounded to the second radiating arm and the third radiating arm; and a second feeding line commonly fed to the first radiating arm and the second radiating arm, and commonly grounded to the third radiating arm and the fourth radiating arm.

Abstract: The present invention discloses an antenna radiating element and an antenna. The antenna radiating element includes a pair of dipoles that are disposed crosswise from one another, forming four dipole arms, and a plurality of external parasitic elements. Each external parasitic element of the plurality of external parasitic elements is: disposed between two neighboring dipole arms in the four dipole arms; and separated from the two neighboring dipole arms and other external parasitic element of the plurality of external parasitic elements. In embodiments of the present invention, the antenna radiating element has a very simple structure, may be directly formed by sheet metal parts, and is convenient to process and manufacture. Also, the parasitic element assembly achieves an effect of reducing a volume of the entire antenna, and therefore both production costs and maintenance costs are reduced.

Abstract: Representative embodiments are disclosed for a rapid and highly parallel decompression of compressed executable and other files, such as executable files for operating systems and applications, having compressed blocks including run length encoded (“RLE”) data having data-dependent references. An exemplary embodiment includes a plurality of processors or processor cores to identify a start or end of each compressed block; to partially decompress, in parallel, a selected compressed block into independent data, dependent (RLE) data, and linked dependent (RLE) data; to sequence the independent data, dependent (RLE) data, and linked dependent (RLE) data from a plurality of partial decompressions of a plurality of compressed blocks, to obtain data specified by the dependent (RLE) data and linked dependent (RLE) data, and to insert the obtained data into a corresponding location in an uncompressed file.

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: An example antenna system includes a plurality of driven elements and at least one dielectric antenna array. The at least one dielectric antenna array include a central hub. Each driven element extends transversely through the central hub. The at least one dielectric antenna array further includes a plurality of dielectric rods extending outwards from the central hub. Each dielectric rod is driven by a respective one of the driven elements. The antenna system further includes a control circuit coupled to the at least one dielectric antenna array to switch the driven elements to drive one or more of the dielectric rods to transmit or receive radio frequency (RF) waves.

Abstract: In one embodiment, an antenna for receiving incident electromagnetic (EM) radiation includes a dipole having first and second elements, and a reflector for reflecting the incident EM radiation into reflected EM radiation. The reflector, first element, and second element are configured to orient the first element substantially broadside to the reflected EM radiation and end-fire to the incident EM radiation when the second element is oriented substantially broadside to the incident EM radiation. Conversely, they are configured to orient the second element substantially broadside to the reflected EM radiation and end-fire to the incident EM radiation when the first element is oriented substantially broadside to the incident EM radiation.

Abstract: A communication device includes a wideband antenna, a reflector, and at least one metal loop. The wideband antenna is configured to cover an operation frequency band. The reflector is configured to reflect the radiation energy from the wideband antenna. The metal loop is positioned between the wideband antenna and the reflector. The distance between the wideband antenna and the reflector is shorter than 0.25 wavelength of a central frequency of the operation frequency band.

Abstract: Radio equipment includes a substrate on which a first antenna for near field communication is provided, a base portion on which the substrate is erected, and a cover portion configured to be attached to the base portion so as to cover the substrate. The cover portion includes an opposing portion configured to oppose the first antenna and a non-opposing portion disposed closer to the base portion than the opposing portion in a direction in which the substrate is erected. A distance from an outer surface of the cover portion to the substrate at the opposing portion is shorter than a distance from the outer surface of the cover portion to the substrate at the non-opposing portion.

Abstract: A wireless signal transceiver device includes a dual-polarized antenna, a transmission circuit and a reception circuit. The dual-polarized antenna is used to transmit a first wireless signal and receive a second wireless signal at the same time. 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, and the first wireless signal is related to the transmission signal. The second feed zone is used to output a reception signal, and the reception signal is related to the second wireless signal. The transmission circuit is used to generate the transmission signal. The reception circuit is used to generate a processing signal, and the processing signal is related to the reception signal.

Abstract: A wireless device includes an antenna structure having at least one parallel resonance element and a plurality of serial resonance components. The at least one parallel resonance element may be configured to radiate in at least one frequency. The plurality of serial resonance components may be configured to radiate in a plurality of frequencies. The antenna structure may further include a distributed feed element configured to couple to the parallel resonance element and the serial resonance components and serve as a radiofrequency signal feed. The wireless device may include two or more similar antenna structures.

Abstract: Embodiments of the present invention provide a multi-frequency communications antenna and a base station. The multi-frequency communications antenna includes at least one low-frequency array, at least one high-frequency array, at least one circuit board disposed corresponding to the high-frequency array, and a reflection panel, where a filtering component configured to decouple filtering is disposed on the circuit board, a first end of the filtering component is electrically connected to the high-frequency array, and a second end of the filtering component is electrically connected to a signal ground layer of the circuit board. The filtering component configured to decouple filtering that is shown in this embodiment is disposed on the circuit board, which causes a small damage to an array radiation environment.

Abstract: A polymorphic antenna, including a metallic template configurable in at least first and second possible different three-dimensional shapes, the antenna, when configured in the at least first and second different three-dimensional shapes, having a common antenna feed point, a common balun coupled to the common antenna feed point; and a common dipole coupled to the common antenna feed point and to the common balun. The antenna operates in a common frequency band when configured in either of the at least first and second different three-dimensional shapes when fed via the common antenna feed point.

Abstract: The present invention discloses a dual-polarized antenna that includes a ground plate, a feeding part, and a radiant plate. The feeding part includes a first feeding part and a second feeding part. The first feeding part includes a first dielectric plate, a first feeding layer, and a first transmission line. The second feeding part includes a second dielectric plate, a second feeding layer, and a second transmission line. The first dielectric plate and the second dielectric plate are placed perpendicularly to each other and are perpendicularly installed on the ground plate, and the first transmission line and the second transmission line are separated from each other.

Abstract: An object of the present invention is to provide a multiband antenna, an antenna array, and a wireless communications device that can achieve miniaturization while preventing deterioration in radiation efficiency.

Abstract: A unit cell for an antenna comprises a conductive ground plane, a low-band radiator, a pair of high-band radiators, and a conductive partition disposed along an edge intersecting a pitch axis of the conductive ground plane. The low-band radiator comprises a pair of orthogonally coupled dipoles each having a vertical stem portion and an arm portion. Each arm disposed in a plane orthogonal to the conductive ground plane. The arm portions, collectively and on-edge, produce an L-shaped radiator parallel to the conductive ground plane. Each of the high band radiators comprises a pair of cruciform radiators, each cruciform electrically connected to, spaced-apart from, and parallel to the conductive ground plane. The conductive partition isolates at least a portion of the RF energy transmitted by the low and high-band radiators.

Abstract: A radio frequency (RF) antenna array that includes a first antenna unit that operates at a first frequency band and includes three antenna elements that are collocated on a reflector element, each of the three antenna elements having a different polarization direction than the other two antenna elements of the first antenna unit. A first switch is associated with the first antenna unit and a first conductive line for selectively connecting each one of the antenna elements of the first antenna unit to the first conductive line. A second antenna unit that operates at a second frequency band also includes three antenna elements that are collocated on the reflector element, each of the three antenna elements having a different polarization direction than the other two antenna elements of the second antenna unit.

Abstract: Exemplary embodiments are disclosed of antennas, antenna systems, and methods of making antennas. In an exemplary embodiment, an antenna generally includes a ground plane and first and second antennas each including a first feed. The antenna system further comprises a neutral line having first and second end portions coupled to the first feed of the respective first and second antennas, and/or one or more decoupling stubs integrally formed from and extending outwardly relative to the ground plane. In another exemplary embodiment, a method of improving isolation between first and second antennas of an antenna system generally includes coupling first and second end portions of a neutral line to a first feed of the respective first and second antennas, and/or integrally forming one or more decoupling stubs from a ground plane.

Abstract: One embodiment discloses an antenna structure. An antenna structure comprises: a ground plane; a transmit balanced to unbalanced (BALUN) circuit comprising a first transmit connector coupled to a combined transmit port, and a second transmit connector coupled to the combined transit port; a receive BALUN circuit comprising a first receive connector coupled to a combined receive port, and a second receive connector coupled to the combined receive port; a transmit antenna element comprising a first transmit antenna sub-element coupled to the first transmit connector and a second transmit antenna sub-element coupled to the second transmit connector; a receive antenna element independent from the transmit antenna element and comprising a first receive antenna sub-element coupled to the first receive connector and a second receive antenna sub-element coupled to the second receive connector, wherein the transmit antenna element and the receive antenna element are orthogonally-polarized with respect to each other.

Abstract: An aircraft includes a fuselage, wings coupled to the fuselage, and a transceiver. The aircraft further includes a plurality of planar phased array antennas coupled to the transceiver and fixedly attached to the fuselage or to at least one of the wings. The plurality of planar phased array antennas include a first planar phased array antenna having a first normal vector and a second planar phased array antenna having a second normal vector. The first normal vector is not parallel to the second normal vector.

Abstract: The resent invention relates to an antenna device of a radar system, comprising: a substrate; multiple radiators arranged on the upper surface of the substrate; and multiple resonators arranged on the lower surface of the substrate and placed beneath the radiator, the resonators having the shape of rings having at least one slit formed thereon. According to the present invention, the radiators and the resonators operate together, thereby improving the performance of the antenna device.

Abstract: The present invention discloses an antenna radiating element and an antenna, where the antenna radiating element includes a pair of crosswise disposed dipoles and parasitic element assemblies; the parasitic element assembly is disposed in an included angle formed by two neighboring dipole arms of the crosswise disposed dipoles; the parasitic element assembly is fastened to the dipole; and a radiation signal transmitted by the dipole is reflected and converged by using the parasitic element assembly. In embodiments of the present invention, the antenna radiating element has a very simple structure, may be directly formed by sheet metal parts, and is convenient to process and manufacture. Also, the parasitic element assembly achieves an effect of reducing a volume of the entire antenna, and therefore both production costs and maintenance costs are reduced.

Abstract: An antenna array assembly comprises a ground plate, an array of radiator elements disposed in a spaced relationship with a first face of the ground plate between first and second substantially parallel conductive walls projecting from the first face of the ground plate, and a first and second conductive plate. Each of the first and second conductive plates is electrically isolated from the ground plate, and each is disposed in an upstanding relationship to the first face of the ground plate in a substantially parallel relationship with the first and second conductive walls. This provides reduced radiation in at least one direction in the hemisphere on the opposite side of the ground plate to the first face.

Abstract: The present application provides a multi-band antenna, comprising at least one low-band sub-antenna; and at least one high-band sub-antenna comprising at least one high-band dipole and a reflector; wherein the high-band dipole and/or the reflector are/is structured and positioned so that current induced in the high-band sub-antenna by the low-band sub-antenna is directed to reflector over an extended effective distance in proportion to wavelength of the low-band sub-antenna.

Abstract: The present invention discloses a miniaturized dual-polarized base station antenna, comprising a radiation device and a feeding unit. The feeding unit comprises two coaxial cables and two vertical baluns consisting of two conductors, and the radiation device is supported on a reflecting plate. The radiation device consists of four crossed oscillators and four groups of symmetric striplines, and the four groups of symmetric striplines are in the center of the radiation device and connected to the crossed oscillators and feed the four crossed oscillators in a matched manner. In the center of the radiation device, the adjacent conductors of the four groups of symmetric striplines are connected to each other to form an end-to-end connected closed conductor ring, and a top conductor sheet on the center of the radiation device is a square or circular metal member.

Abstract: A transmitter or receiver can include a phased array antenna system in which multiple characteristics of a transmitted or received beam can be controlled electronically. For example, in embodiments that include a transmitter, dual outputs of N signal modifiers can be connected to orthogonal inputs of N dual-orthogonally polarized antenna elements. Each signal modifier can modify the amplitude and phase of a communications signal in two parallel signal paths to produce two signal components each of which is an amplitude-modified/phase-shifted version of the communication signal. Multiple characteristics of the combined beam can be simultaneously controlled by setting the amplitude and/or phase-shift parameter values in the dual signal paths in the signal modifiers to combined values that individually affect each of the multiple characteristics of the combined beam.

Abstract: A multi-mode composite antenna includes two crossed dipole elements each consisting of a bow-tie antenna having two bow-tie antenna segments, and a conductive tube which houses signal transmission lines connected to each bow-tie antenna segment. A conductive flared portion surrounds the conductive tube and forms a monopole element. The bow-tie antenna segments are shaped so that slots extend between each adjacent bow-tie antenna, each slot forming a tapered slot antenna that has a pair of non-linear curved edges that diverge from each other.

Abstract: An antenna may include an antenna mount defining an opening, and be configured to operate as (i) a resonator for transferring an RF signal and (ii) support member. The antenna may further include a ground plane configured to support the antenna mount, and a substrate extending through the opening and being perpendicular to the ground plane on which the antenna mount is being supported.