Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). An electronic device is provided in a wireless communication system. The device comprises a plurality of antenna sets; a plurality of antenna elements configuring the plurality of antenna sets; an RF transceiver including a plurality of switches for selecting the plurality of antenna elements and a plurality of phase shifters for shifting the phase of a signal transmitted/received through the plurality of antenna elements; and a control unit for determining a beam forming direction and the phase of the signal by simultaneously controlling the plurality of switches and the plurality of phase shifters according to a beambook.

Abstract: An example discloses a slot antenna. The slot antenna includes: a cover including a slot; and an antenna PCB including a feeding line across the slot. The antenna PCB is coupled with the cover through a positive feeding terminal of the feeding line. The slot is closed at its one width side within the cover. A length of the feeding line is larger than a width of the slot.

Abstract: A wearable wireless communication device comprises a transceiver positioned on a first side of the device, the transceiver comprising a first antenna configured to receive radio frequency (RF) signals transmitted toward the first side of the device. The device is wearable about an object that attenuates reception, by the first antenna, of RF signals transmitted toward a second side of the device. The device further comprises a waveguide electromagnetically coupled to the transceiver, the waveguide terminating in at least a second antenna positioned on the second side of the device. The second antenna is configured to receive the RF signals transmitted toward the second side of the device. The waveguide is shaped to direct received RF signals around the object to the transceiver. The object may in some embodiments be a piece of human anatomy.

Abstract: A broadband antenna of an antenna system comprises a conductive plate comprising four slots. The slots are arranged in a rotation symmetrical manner in the plate. Each slot extends from a circumference of the plate towards a center of the plate. Each slot has an associated feed point located at its associated slot. The feed points associated with a pair of oppositely arranged slots are arranged to be fed with radio frequency signals, such that that a main radiation propagation direction of the antenna is along the rotational symmetry axis of the plate. The antenna design enables the achievement of flexibility in terms of isolation between the two polarizations. The antenna design may further enable a reduced size and weight. The antenna design also enables an antenna unit and an antenna array.

Abstract: An assembly that includes a printed circuit board and a foam dielectric material, and a method of fabricating the assembly is disclosed. The assembly includes at least one layer of a foam dielectric material, which has properties similar to those of air. This layer of foam dielectric material is disposed between a top sublaminate and a bottom sublaminate. The bottom sublaminate may be a traditional printed circuit board, comprising an arbitrary number of layers. The top sublaminate may be a single layer, or may be multiple layers and may include an antenna. The foam dielectric material serves to provide mechanical support for the top sublaminate and the central conductor. The foam dielectric material also provides physical separation between the bottom sublaminate and the antenna.

Abstract: An antenna having a passive antenna element that is integrated in a wireless communication chassis, is naturally in resonance, and is galvanically coupled to ground, and a passive indirect antenna element feed that is non-galvanically coupled to the antenna element. If the chassis is foldable, a parasitic element may be located opposite an antenna element feed when the foldable chassis is in at least one of a closed mode and a tablet mode.

Abstract: An array antenna includes a first metal layer, a first dielectric layer, a second metal layer, a second dielectric layer, and a third metal layer that are sequentially laminated, where multiple metal through holes are disposed on the second dielectric layer, the multiple metal through holes form a feeding section, the first metal layer includes multiple subarrays, each subarray includes multiple radiating arrays and one power splitter, the power splitter includes a central area and multiple branches extending from the central area, the multiple radiating arrays are respectively connected to ends of the multiple braches that are far from the central area, multiple coupling slots are disposed on the second metal layer, the multiple coupling slots respectively face central areas, the feeding section is used to feed a signal.

Abstract: Modular digital camera systems are disclosed. The modular digital camera system can include a brain module configured to be releasably coupled to one or more of a port extender module, power module, display module, and handle module. The brain module and other accessory modules can be structured according to some embodiments to increase an ease of coupling and decoupling the modules. The brain module can include an antenna, such as a slot antenna, for transmitting and receiving radiofrequency signals.

Abstract: In one embodiment, the present disclosure describes a flared antenna where the upper portions of the prongs are separated into a plurality of spaced apart parallel fins. The parallel fins disposed on the energized prong are energized by a common electrical feed, such as a coaxial transmission line that enters the energization region of the energized prong. The use of separate fins allows a wider range of tuning to gain greater BW and scan performance for a given equivalent design, since each fin pair may be designed independently from the other fin pairs in that flared antenna. The flared antenna may be a Vivaldi antenna, a stepped notch antenna or some other flared shape.

Abstract: Embodiments of the present invention provide an antenna apparatus, including multiple antenna elements, where the antenna element includes a dielectric plate, one two-antenna array element, and one parasitic element; the two-antenna array element is located at the front of the dielectric plate; the parasitic element is located on the back of the dielectric plate, and a location of the two-antenna array element falls within an area of the parasitic element; a first antenna and a second antenna that are in the two-antenna array element are bent slot slot antennas symmetrical to each other with respect to a central axis between the first antenna and the second antenna; the first antenna is formed by connecting three sections.

Abstract: An antenna includes a main body and multiple gain compensation structures. The main body includes a top board and a bottom board, multiple radiation structures are provided on the top board and a feed structure is provided on the bottom board. The multiple gain compensation structures are for partitioning the main body to at least two radiation areas. Each gain compensation structure includes multiple gain compensation units and a shielding structure, and the shielding structure is located between the top board and the bottom board. Each gain compensation unit includes a first coupling structure located on a side that is of the shielding structure and that faces the feed structure. At least a portion of the first coupling structure is located between the top board and the bottom board.

Abstract: Systems, apparatus and methods for seamless metal back cover for combined wireless power transfer, cellular, WiFi, and GPS communications are provided. In one aspect, an apparatus for wirelessly coupling with other devices comprises a metallic cover comprising a first metallic portion separated by a first non-conductive portion from a second metallic portion of the metallic portion to define a first slot. The apparatus further comprises a conductor comprising a first end portion electrically coupled to the metallic cover at the first metallic portion and a second end portion crossing the first end portion and electrically coupled to the metallic cover at the second metallic portion. The metallic cover and the conductor form a coupler configured to wirelessly receive power sufficient to charge or power a load of the apparatus from a wireless power transmitter.

Abstract: A method and system for enabling a user to access video capture services from a home market while temporarily located in outside of it, i.e., roaming. The user temporarily located outside of their home market uses a regional system as a proxy in a home market in which the user is able to receive regional content. The regional system transfers the regional content to the roaming user.

Abstract: The present disclosure relates to a terahertz wave generation apparatus capable of wavefront control. A terahertz wave generating apparatus according to an exemplary embodiment comprises a photoconductive substrate; and a plurality of terahertz wave generating unit elements arranged in a two-dimensional array on the photoconductive substrate. Also, the terahertz wave generating unit elements comprise a plurality of first electrodes arranged in the two-dimensional array on the photoconductive substrate and respectively connected to a plurality of first electrode pads, and at least one second electrode formed on the photoconductive substrate so as to face the first electrodes.

Abstract: A phase shift device includes a planar transmission line that is formed by a signal electrode and a ground electrode which are separated by a dielectric substance, whereby the signal electrode of the planar transmission line is divided into several pieces and includes overlapping areas of adjacent pieces that are filled with a tunable liquid crystal material, thereby forming a dielectric tunable component (varactor) with a metal-insulator-metal type capacitor. The several pieces of the signal electrode are arranged at two or more different distance levels with respect to the ground electrode. The tunable liquid crystal material is arranged as a continuous layer between several pieces of the signal electrode that are arranged at two different distance levels.

Abstract: In some embodiments, a mechanically reconfigurable slot antenna includes an electrically conductive layer having multiple slots, multiple electrically conductive parasitic patches, each patch associated with one of the slots, and a rack-and-pinion mechanism adapted to simultaneously linearly displace at least two of the patches along their associated slots.

Abstract: A phased array antenna including a base plate and a board projecting from the base plate. The board including a dielectric layer and a conductive layer. The conductive layer includes first and second spaced apart radiating elements and a pillar disposed between the first and second spaced apart radiating elements. The pillar is electrically connected to the base plate, and the first and second spaced apart radiating elements are configured to capacitively couple to the pillar.

Abstract: An antenna includes a stack of cylindrical lenses combined with feed elements to provide multi-beam coverage for a given wireless communication sector. Each cylindrical lens disc has approximately the same height as the feed elements being used with the lens. To overcome the problem of interference from cables and opposing feeds, feed elements are placed around the lens. The cylindrical lenses are stacked such that a small gap exists between each pair of adjacent cylindrical lenses, allowing for cable lines to pass through between the pair of the cylindrical lenses, and thus removing interference for 360 degree coverage. Cable lines are arranged such that they only traverse the portion of the circumferential surfaces of the cylindrical lenses that do not interfere with the field of view of the RF signals generated by the corresponding feed elements.

Abstract: An antenna unit includes a first physical layer processor configured to receive a first downlink physical layer signal from an upstream device and to convert first downlink physical layer signal into first downlink higher layer data units; a higher layer processor configured to convert first downlink higher layer data units into second downlink higher layer data units; a second physical layer processor configured to generate a second downlink physical layer signal from second downlink higher layer data units; and a radio frequency conversion module configured to convert second downlink physical layer signal into radio frequency signals for communication using an antenna. Communication between upstream device and antenna unit using first downlink physical layer signal having first downlink higher layer data units has a lower data rate than would communication between upstream device and antenna unit using second downlink physical layer signal having second downlink higher layer data units.

Abstract: In one example, a contactless millimeter wave coupler comprises a metallic plate. The contactless millimeter wave coupler further comprises a crossed slot arranged in the metallic plate. The contactless millimeter wave coupler further comprises an antenna arrangement mounted beneath the crossed slot. The antenna arrangement comprises a first linearly polarized antenna and a second linearly polarized antenna arranged in a cross configuration relative to each other. The contactless millimeter wave coupler further comprises a wave guiding layer of dielectric material arranged above the antenna arrangement in alignment with the crossed slot and the antenna arrangement.

Abstract: A broadband antenna of an antenna system comprises a conductive plate comprising four slots. The slots are arranged in a rotation symmetrical manner in the plate. Each slot extends from a circumference of the plate towards a center of the plate. Each slot has an associated feed point located at its associated slot. The feed points associated with a pair of oppositely arranged slots are arranged to be fed with radio frequency signals, such that that a main radiation propagation direction of the antenna is along the rotational symmetry axis of the plate. The antenna design enables the achievement of flexibility in terms of isolation between the two polarizations. The antenna design may further enable a reduced size and weight. The antenna design also enables an antenna unit and an antenna array.

Abstract: In one example, a device includes an antenna array having at least a first cross dipole antenna element having a first dipole and a second dipole orthogonal to the first dipole and at least a second cross dipole antenna element having a third dipole and a fourth dipole orthogonal to the third dipole. An orientation of the at least a second cross dipole antenna is offset 45 degrees with respect to the at least a first cross dipole antenna element. The at least a first cross dipole antenna element and the at least a second cross dipole antenna element are for transmitting and/or receiving signals at plus 45 degrees and minus 45 degrees slant polarizations.

Abstract: The disclosure concerns a microstrip patch antenna configured for operation in the WiFi bands, including 2.4 GHz and 5.2/5.8 GHz. The microstrip patch antenna includes a pair of opposing u-shaped slots embedded in the patch conductor. The patch includes a patch width configured to provide a resonance at 2.4 GHz, and a slot width configured to provide a resonance at 5.2/5.8 GHz. Thus, the antenna provides a dual band WiFi patch antenna.

Abstract: A slot array antenna includes a waveguide slot body and a dielectric slab. The waveguide body includes one or more walls that define a waveguide aperture, the waveguide aperture extending along a longitudinal axis of the waveguide slot body. The waveguide slot body includes a plurality of slots disposed on one or more walls of the waveguide slot body. The dielectric slab is disposed within the waveguide aperture and extends along the longitudinal axis of the waveguide slot body. The dielectric slab is rotatable about the longitudinal axis within the waveguide aperture.

Abstract: An antenna includes a metal member, a closed slot disposed in the metal member, and a feed element having a first feed portion and a second feed portion, the first and second feed portions crossing the closed slot, and being electrically connected to each other. The feed element enables the closed slot to resonate at two different frequency bands and enables both bands to be individually tunable. The antenna can be incorporated into a metal cover or case of a mobile communication device.

Abstract: Electronic device antenna structures may include first and second antennas. A housing may have a periphery that is surrounded by peripheral conductive structures such as a segmented peripheral metal member. A segment of the peripheral metal member may be separated from a ground by an opening. An antenna feed for the first antenna may have a positive antenna terminal coupled to the peripheral metal member and a ground terminal coupled to the ground. A return path for the first antenna may span the opening in parallel with the antenna feed. A plastic carrier may be mounted to a printed circuit and a metal housing structure using screws. The plastic carrier may support an antenna resonating element for the second antenna and may support the return path for the first antenna. The screws may short metal structures on the plastic carrier to the metal structures and traces on the printed circuit.

Abstract: An antenna array includes a plurality of antenna elements coupled in a common area and extending radially outward from the common area. At least one of the plurality of antenna elements includes a first antenna portion and a second antenna portion arranged in a configuration such that a gap is formed between the first antenna portion and the second antenna portion. The gap includes first spacing associated with a first operating frequency and a first operating wavelength, and a second spacing associated with a second operating frequency and a second operating wavelength. A proportion of the first spacing to the first wavelength is substantially equal to a proportion of the second spacing to the second wavelength, thereby providing a constant beamwidth over an operating frequency band. A method of arranging a plurality of antenna elements in an antenna array is also disclosed.

Abstract: The disclosed technology relates to antenna configurations for wireless power transmission and supplemental visual signals. In some implementations, the disclosed technology includes a wireless power transmitter with boards that have multiple antennas physically coupled to the board. In some implementations, the antennas boards are arranged in a polygonal configuration (e.g., star shape). Additionally, in some implementations, the antennas can have different polarization configurations.

Abstract: A coincident phased dual-polarized antenna array configured to emit electromagnetic radiation includes: a plurality of electromagnetic radiators arranged in a grid, the plurality of electromagnetic radiators defining a plurality of notches; a ground plane spaced from the electromagnetic radiators; a conductive layer disposed between the electromagnetic radiators and the ground plane, the conductive layer having a plurality of slots laterally offset from the notches and being spaced apart from and electrically insulated from the electromagnetic radiators; and a plurality of feeds, each of the feeds spanning a corresponding slot of the slots and electrically connected to a portion of the conductive layer at one side of the corresponding slot.

Abstract: A cylindrical antenna includes: a hollow cylinder having a height, an inner radius b, an axis, a cylindrical surface, and two ends; a ground plane on one end of the cylinder; an antenna wire extending from a center of the cylinder at one end on a ground plane along the axis and ending below the height of the cylinder; and a layer of near zero index (NZI) metamaterial surrounding and adjacent to the cylindrical surface.

Abstract: The disclosed in the present disclosure is an evaporation equipment and an evaporating method. The evaporation equipment may include: a support, which is arranged for loading a substrate to be evaporated; and a zone temperature controlling device, which includes at least two temperature controlling parts and at least one temperature controlling device. A loading surface of the support may include a plurality of zones, and each of the plurality of zones may correspond to an evaporation region of the substrate to be evaporated. And each of the plurality of zones may be arranged with a temperature controlling part, and the temperature controlling device may be configured to control temperatures provided by the temperature controlling parts, so as to control corresponding deposition rates of film coating on the evaporation regions.

Abstract: A portable terminal includes an antenna device having a circuit board on a surface of which a conductive layer is formed, a slit that removes a portion of the conductive layer and extends in a direction, an auxiliary board positioned on the slit to face a surface of the circuit board, and a radiation pattern formed on the auxiliary board, in which the radiation pattern is disposed to partially enclose the slit. Even when the radiation pattern is disposed on the conductive layer, induced current generated around the slit can be controlled in the same direction as signal power, thereby preventing radiation performance from being degraded by an inverse current phenomenon in spite of disposition of the radiation pattern on the conductive layer.

Abstract: An array antenna has rectangular conductor sections, located successively side by side in a first plane, mutually separated by slots of constant width. A backing reflector is transverse to the first plane. Feed structures extend through the backing reflector, the feed structures comprising pairs of parallel feed conductors, each pair comprising conductors coupled to the rectangular conductor sections on opposite sides of a respective one of the slots.

Abstract: The disclosure relates to an antenna reflector phase correction film and a reflector antenna. The antenna reflector phase correction film includes a first substrate, a second substrate, and multiple artificial microstructures disposed between the first substrate and the second substrate, the artificial microstructures are wires made of electrically conductive materials, and an electromagnetic wave, emergent after being reflected by an antenna reflector attached with the antenna reflector phase correction film, has an equiphase surface. According to the disclosure, the antenna reflector phase correction film has specific refractive index distribution internally, so that a surface emergent phase of a reflector can be corrected after attaching onto a surface of a conventional reflector, a phase error caused due to installation or processing is improved, a complete flat emergent equiphase is obtained, and then a far-field performance (such as a higher gain) is improved.

Abstract: Provided is a planar horn array antenna includes: a waveguide part; a horn part having one side connected to the waveguide part and the other side formed with an opening for guiding a radio wave incident or emitted thereto; and a radio wave guide part having a dividing member coupled with the opening and consisting of circular dividing holes arranged in a matrix of n×n.

Abstract: An infrared imager includes a first optical component, a second optical component, and at least one thin film dielectric layer. The first optical component has multiple first parallel conductors with a first spacing pattern, aligned in a plane perpendicular to an axis. The second optical component has multiple second parallel conductors with a second spacing pattern, aligned in a plane perpendicular to the axis, angularly offset from the first direction. The thin film dielectric layer includes a refractive index change (RIC) material disposed between and in contact with the first and second parallel conductors. The first optical component, second optical component, and at least one thin film dielectric layer form an antenna array configured to detect one or more predetermined infrared wavelengths based on at least one of the first spacing pattern or the second spacing pattern or the angular offset.

Abstract: A method may involve receiving one or more criteria for a waveguide array antenna. The waveguide array antenna includes a plurality of waveguides. The plurality of waveguides may include a plurality of radiation elements. The method may also involve determining a dataset configured to associate radiation characteristics of a given radiation element with given configuration parameters including a given resonance length a given rotation angle of the given radiation element. The method also involves generating configuration parameters for the plurality of radiation elements based on the dataset. The configuration parameters may cause the waveguide array antenna to be associated with the one or more criteria. The method may also involve providing a request for fabrication of the waveguide array antenna to have the plurality of radiation elements configured according to the configuration parameters.

Abstract: Provided is a polarization antenna. The polarization antenna includes a dielectric substrate; a radiating element formed on the dielectric substrate to be symmetric in up and down and left and right directions; and a balanced feed element including multiple pairs of feed ports which are formed on the dielectric substrate and have a symmetrical structure, applying balanced signals having different phases from each other to the paired feed ports.

Abstract: A two dimensional ultrasonic array transducer receives echo signals from increasing depths of a volumetric region. The 2D array is configured into patches of elements which are processed by a microbeamformer and summed signals from a patch are coupled to a channel of an ultrasound beamformer At the shallowest depth the 2D array receives echoes from small patches in the center of the aperture. As signals are received from increasing depths the aperture is grown by symmetrically adding patches of progressively larger sizes on either side of the small patches in the center. The inventive technique can improve the multiline performance of both 1D and 2D array probes.

Abstract: An apparatus for detecting objects includes a transceiver configured to generate a radar signal, a radar having a transmit antenna configured to transmit the radar signal, and a receive antenna configured to sense a return signal in response to a transmission of the radar signal. The apparatus also includes a processor configured to detect an object based on the return signal. One or more of the transmit antenna or the receive antenna include offset spiral feed antennas.

Abstract: A slot array antenna where slots are arrayed in two directions is provided for suppressing occurrence of side lobes. An antenna includes a radiation waveguide part and stubs. The radiation waveguide part has two sheets of metal plates facing each other and outwardly radiates a radio wave from a plurality of slots formed in one of the metal plates. Each stub is arranged for every slot to extend inward of the radiation waveguide part from the face where the slots are formed, and changes a transmission mode of the radio wave within the radiation waveguide part. The slots are narrow and arranged at fixed intervals in both a longitudinal direction and a lateral direction of the slots. The stub is disposed for every slot, on either side of the slot in the lateral direction. Between the adjacent slots, the stubs are disposed on the opposite sides in the lateral direction.

Abstract: A method of installing of a communication tower panel security device around the circumference of an antenna service bay arranged in a communication tower, and then tensioning the communication tower security device without the use of tools.

Abstract: An antenna unit includes a transport Layer 1 processor configured to receive a downlink transport Layer 1 data stream from an upstream device and to convert the downlink transport Layer 1 data stream into downlink transport Layer 2 protocol data units in a downlink transport Layer 2; a Layer 2 processor configured to convert the downlink transport Layer 2 protocol data units in the downlink transport Layer 2 into downlink radio access technology Layer 2 protocol data units in a radio access technology Layer 2; a radio access technology Layer 1 processor configured to generate a downlink radio access technology Layer 1 signal from the downlink radio access technology Layer 2 protocol data units in the radio access technology Layer 2; and a radio frequency conversion module configured to convert the downlink radio access technology Layer 1 signal into radio frequency signals for communication using an antenna.

Abstract: A mobile device includes a ground plane, a first radiation branch, and a second radiation branch. The second radiation branch is coupled to the ground plane, and is disposed adjacent to the first radiation branch. An antenna structure is formed by the first radiation branch and the second radiation branch. The first radiation branch is fed from a signal source. The second radiation branch is excited by the first radiation branch through coupling therebetween.

Abstract: An antenna element forms a ring slot antenna comprising a first slot and second slot. The antenna element is located on a first surface of a conductive chassis that encases a body or a volume for wireless communication signals to be received or transmitted. A coupling component is located on an opposite side of the conductive chassis and behind the antenna element. The coupling component facilitates a coupling between a communication component and the antenna element as a function of the orientation and geometric shape of the coupling component to facilitate different resonant frequencies via the first and second slots of the antenna element.

Abstract: Systems and methods according to one or more embodiments are provided for a distributed gain function. The distributed gain function may be implemented, for example, as a second amplification stage to maintain amplification in an RF distribution network of a compact high gain phased array antenna system. In one example, a system comprises a plurality of element circuits, each coupled to one or more antenna elements. Each element circuit comprises a first amplification stage. A distribution network configured to couple the plurality of element circuits. A distributed gain circuit coupled to the plurality of element circuits and the distribution network, wherein the distributed gain circuit comprises a second amplification stage. The antenna elements and the distribution network are integrated in a substantially planar circuit board and the plurality of element circuits are coupled to the circuit board. Additional systems and methods are also provided.

Abstract: A wearable antenna is operably positioned on a wearer's skin and is operably connected the wearer's tissue. A first antenna matched to the wearer's tissue is operably positioned on the wearer's skin. A second antenna matched to the air is operably positioned on the wearer's skin. Transmission lines connect the first antenna and the second antenna.

Abstract: To provide a microstrip antenna that can radiate electromagnetic waves in two or more different directions while suppressing an increase in manufacturing cost. The microstrip antenna is configured to include: a dielectric substrate 10 that is adapted to be of a folded flat plate shape; two or more radiating patterns 2 for radiating electromagnetic waves; and a connecting pattern 3 for mutually connecting the radiating patterns 2 and feeding electricity from a common feeding point 4 to each of the radiating patterns 2. The radiating patterns 2 and connecting pattern 3 are respectively adapted as microstrip lines formed on the dielectric substrate 10, and the dielectric substrate 10 is folded such that the connecting pattern 3 intersects with a ridge line 5, and has two or more radiating surfaces 10a to 10c of which normal directions are mutually different.

Abstract: A heterogeneous antenna array containing antenna elements of different antenna element sizes interleaved among one another is disclosed. Heterogeneous antenna arrays as disclosed herein can efficiently cover a broad range of frequencies without loss of optimality at higher frequencies. Also disclosed are methods of frequency-domain oriented image reconstruction which are suitable for use with heterogeneous antenna arrays.

Abstract: The present disclosure relates to a slotted waveguide antenna system. The slotted waveguide antenna system includes a waveguide that includes a first surface and a plurality of slots defined in the first surface and a metamaterial structure positioned external to the waveguide. The metamaterial structure is configured to exhibit a negative effective permittivity and a negative effective permeability for an operating frequency range. The metamaterial structure includes a split ring resonator, a substrate and a wire structure. The wire structure includes a first portion, a second portion and a third portion, the second portion coupled between the first portion and the second portion, the first portion oriented parallel to the third portion, the second portion oriented perpendicular to the first portion and the third portion. A dimension of at least one of the first portion and the third portion is related to the operating frequency range.