|| List of recent Antenna-related patents
|Data card and data interaction system|
Disclosed is a data card, comprising a casing, a pcb and a main antenna arranged in the internal cavity of the casing, and an adapter fixedly connected to the casing. The data card also comprises a metal rotating shaft for an adapter which is arranged in the casing and electrically connected to the adapter.
|Selectively combining uplink signals in distributed antenna systems|
Certain aspects involve selectively combining uplink transmissions in a distributed antenna system (“das”). For example, a unit of the das can receive baseband uplink transmissions from remote units of the das via a first channel and a second channel.
Provided are a beam forming method and device. The method includes: a base station receiving an uplink feedback signal from a terminal, and recovering one or more channel parameters from respective transmitting antennas of the base station to the terminal according to the uplink feedback signal; and the base station adjusting a transmitting phase of a data signal to be transmitted according to the one or more channel parameters from the respective transmitting antennas to the terminal, and forming a beam in a specific direction.
|Method and configuring control channel resources in communication system|
A method and an apparatus for configuring a control channel in a communication system, according to the present invention, allocate resources of different sizes according to a distributed transmission mode and a localized transmission mode and apply different antenna transmission techniques, to a control channel on the basis of frequency division. In addition, the present invention relates to a method by which a terminal estimates a channel irrespective of the transmission mode.
Samsung Electronics Co., Ltd.
|Method and receiving downlink signal in wireless communication system|
The present invention relates to a method by which a terminal receives a downlink signal through an enhanced physical downlink control channel (epdcch) in a wireless communication system. The method includes the steps of: receiving one or more epdcch physical resource block (prb) sets; and blind decoding epdcch candidates for each set level from among the one or more epdcch prb sets, wherein one or more of epdcch candidate indexes and epdcch prb indexes are used for determining an antenna port related to the epdcch candidates..
Lg Electronics Inc.
|Method and receiving system information in wireless communication system|
The method for receiving system information by a terminal in a wireless communication system according to one embodiment of the present invention comprises: a step of receiving a subframe; and a step of performing, for a physical broadcast channel (pbch) in a predetermined resource region of the subframe, blind decoding based on a plurality of sequences to be masked to a crc parity bit. If a cell-specific reference signal (crs) does not exist in the subframe, each of the plurality of sequences indicates pieces of individual information contained in one or more of a reference signal type set, a demodulation reference signal (dmrs) antenna port information set and diversity scheme information set..
Lg Electronics Inc.
|Clock synchronization base station|
The present application discloses a system and a method for clock synchronization of base stations. In the system for clock synchronization of base stations, a gps receiver on a main control board of a base station is connected to a gps antenna feeder; the gps receiver connected to the gps antenna feeder is connected to a pll on the present main control board and a pll on other main control board; the main control boards are connected through a judgment line..
Datang Mobile Communications Equipment Co., Ltd
|Unmanned aerial vehicle communication using distributed antenna placement and beam pointing|
A communication system is described. The system includes: at least one gateway able to provide broadband connectivity, a set of ground terminals, and a set of aerial platforms, where at least one aerial platform is able to communicate with at least one gateway using radio frequencies, each aerial platform is able to communicate with ground terminals using radio frequencies, and each aerial platform is able to communicate with each other aerial platform using radio frequencies.
|Communication system for vehicle-to-environment communication|
In a communication system for vehicle-to-environment communication, data to be transmitted is transmitted wirelessly as data packets. The system includes a communication unit and an application unit which are in contact with one another via an internal communication link, the communication unit having a high-frequency antenna and a transceiver for physical data transmission, in addition to a data processor for controlling the physical transmission.
Continental Automotive Gmbhß
|Cellular communication system with moving base stations and methods and apparatus useful in conjunction therewith|
A mobile communication network system operative in conjunction with a network includes a core device, a plurality of base stations including at least one static base station, and a population of mobile stations communicating via antennae with at least one of the base stations. The system includes at least one moving base station included in the plurality of base stations which communicates via antennae with the mobile stations and includes base station functionality, a first radio manager and mobile station functionality all co-located with the base station functionality.
Elta Systems Ltd.
Cellular communication system with moving base stations and methods and apparatus useful in conjunction therewith
A mobile communication network system operative in conjunction with a core network including a core device and at least one static base station includes a plurality of base stations. The system further includes a population of mobile stations communicating via antennae with the base stations.
Elta Systems Ltd.
Antenna selection in lte/lte-a networks with unlicensed spectrum
antenna selection and reassignment in multiple radio access technology (rat) communication systems with unlicensed spectrum is disclosed. Aspects include a user equipment (ue) monitoring for a channel reserving signal in each frame from multiple transmission sources.
Wireless enabled cap for a data-capable device
A housing (e.g., a wearable structure) includes one or more sensors operative to capture sensor data and a plug operative to electrically communicate data (e.g., the sensor data) to another device via a hard wired connection. A wirelessly enabled cap may be removably coupled with the housing and may include: a cavity operative to house the plug; a rf chip disposed within the housing; and one or more antennas electrically coupled with the chip.
Wireless enabled cap for data-capable band
A data-capable band including a wirelessly enabled housing may include a sensor operative to capture sensor data, a plug coupled with the band and operative to send the sensor data to another device having a structure configured to receive the plug, the housing operative to be removeably coupled with the band and including a cavity operative to house the plug, and a microchip disposed within the housing and operative to electrically communicate stored data in accordance with a short-range communication standard (e.g., one or more wireless communication standards and/or protocols). The housing may comprise a cap or cap-like structure.
System and limiting usage of a wireless communication device
A system and method is provided for limiting, disabling and/or activating a wireless communication device during operation of a vehicle or participation in an activity. In one embodiment of the present invention, the system includes a wireless transmission device and a wireless communication device.
Artifex Software Inc.
Method and device for estimating channel in muliple-receiving antenna system
Disclosed are a method and device for estimating a channel in a multiple-receiving antenna system. The method comprises: a channel estimation is performed on a received pilot signal by using a least square channel estimation algorithm to obtain an estimation value hls; an n′-dimensional channel autocorrelation matrix formula (i) and a channel frequency domain autocorrelation matrix ri from a transmitting antenna i to any receiving antenna are acquired, and a weight matrix w which is descrambled and denoised is calculated, wherein i=1, 2, .
Hybrid-based cancellation in presence of antenna mismatch
A multi-port hybrid-based cancellation network may include a first and second hybrid coupler, and a first and second two-port network. The second hybrid coupler may be distinct from the first hybrid coupler.
University Of Southern California
Communicating data using backscatter modulation
A system and method for full duplex wireless communication is disclosed. The system utilizes backscatter modulation of a first signal received by a guest device from a basestation to transmit a guest device message to a host basestation.
Purdue Research Foundation
Transmitting spread signal in communication system
A method for receiving acknowledgement/negative acknowledgement (ack/nack) information in a mobile communication system includes receiving a first signal including first spread ack/nack information and second spread ack/nack information from a first antenna set of a transmitting end in an orthogonal frequency division multiplexing (ofdm) symbol; receiving a second signal including third spread ack/nack information and fourth spread ack/nack information from a second antenna set of the transmitting end in an ofdm symbol; and de-spreading at least the first and third spread ack/nack information or the second and fourth spread ack/nack information for identifying the ack/nack information.. .
Lg Electronics Inc.
Transmission signal generation apparatus, transmission signal generation method, reception signal apparatus, and reception signal method
Mimo-ofdm communication is provided which allows high accuracy estimation of frequency offset, high accuracy estimation of a transmission path fluctuation and high accuracy synchronization/signal detection. Pilot symbol mapping is provided for forming pilot carriers by assigning orthogonal sequences to corresponding subcarriers among ofdm signals which are transmitted at the same time from respective antennas in the time domain.
Wi-fi One, Llc
Method and apparatus of transmitting training signal in wireless local area network system
A method of transmitting a training signal in a wireless local area network (wlan) system includes generating one or more first training signals for a first destination station and one or more second training signals for a second destination station by applying a mapping matrix p to a training signal generation sequence, mapping the first training signals and the second training signals to a plurality of antennas according to an antenna mapping matrix, and performing inverse fast fourier transform (ifft) on each of the first training signals and the second training signals mapped to the plurality of antennas and transmitting the training signals through the plurality of antennas.. .
Lg Electronics Inc.
Downlink signal transceiving , in wireless communication system, taking into account antenna port relationship
The present invention relates to a wireless communication system, and more particularly, to a downlink signal transmission and reception method and device taking into account antenna port relationship. A method for the reception of a physical downlink shared channel (pdsch) signal by a terminal in a wireless communication system, according to one embodiment of the present invention, can comprise: a step for determining a start symbol index for the pdsch in a downlink subframe; and a step for receiving the pdsch signal on the basis of the start symbol index.
Lg Electronics Inc.
Method and implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system
The present invention is related to a method and apparatus for implementing space frequency block coding (sfbc) in an orthogonal frequency division multiplexing (ofdm) wireless communication system. The present invention is applicable to both a closed loop mode and an open loop mode.
Interdigital Technology Corporation
Wireless communication device
According to an embodiment, a wireless communication device includes first and second wireless units. The first wireless unit includes a first reception antenna and a first transmission antenna in an enclosure, transmits a first wireless signal via the first transmission antenna, and receives a second wireless signal via the first reception antenna.
Kabushiki Kaisha Toshiba
Method, system, and notifying and determining antenna port position relationship
A method, system and apparatus for notifying and determining an antenna port location relationship are disclosed. A network side configures an indication signaling of a csi-rs referenced by a dmrs, and/or a first enabling indication signaling used for indicating whether the indication signaling of the csi-rs referenced by the dmrs is enabled; or the network side further configures an indication signaling of a crs referenced by each set of csi-rss which are quasi-co-located, and/or a second enabling indication signaling used for indicating whether the indication signaling of the crs referenced by each set of csi-rss which are quasi-co-located is enabled.
Distributed outdoor network apparatus and methods
Novel tools and techniques providing for the robust wireless distribution of communications signals from a provider to multiple customer premises. Certain embodiments comprise one or more modular communications apparatuses which are located near to customer premises.
Centurylink Intellectual Property Llc
A system for providing a reduced common public radio interface (cpri) framelet link includes one or more cellular towers, each cellular tower including one or more cellular antennas and coupled to a first short cpri fiber link. An access subsystem is coupled to a baseband pool.
Broadband access system via drone/uav platforms
The present disclosure describes the system and methods for providing broadband internet access to homes and enterprises using a network of drones/uavs. The drone communication system is composed of an antenna sub-system, a radio sub-system and a data switching sub-system.
Broadband access to mobile platforms using drone/uav background
Systems and methods for providing broadband internet access to mobile platforms such as vehicles, aircraft, and portable devices, using a network of one or more entities such as drones/unmanned aerial vehicles (uavs). In one embodiment, the drone communication system comprises an antenna sub-system, a radio sub-system and a data switching sub-system.
System for maximizing gain in a repeater
An antenna system includes a donor antenna sub-system, a server antenna sub-system, and a processor to optimize the gain of the repeater in the system. The gain in the antenna system is increased by optimizing the isolation between the donor and/or server antenna sub-systems according to a cost function..
Method and transmitting reference signal in multiple antenna system
A method and an apparatus for transmitting a reference signal in a multiple antenna system are provided. The method includes transmitting a first reference signal based on a first sequence through a first antenna group, and transmitting a second reference signal based on a second sequence through a second antenna group, wherein the first reference signal and the second reference signal are transmitted through a same radio resource..
Lg Electronics Inc.
Efficient feedback transmission method in multi-antenna wireless communication system and device for same
The present invention relates to a method for feeding back channel state information with respect to downlink transmission of a terminal in a wireless communication system supporting multiple antennas. Particularly, the method comprises the steps of measuring a channel with respect to downlink transmission; and transmitting a precoding matrix indicator (pmi) to which a precoding matrix for multiple antennas is applied, on the basis of the channel measuring result, wherein the multiple antennas are defined as a group of n antenna (n>0, n is an integer), and the precoding matrix for multiple antennas is determined by a precoding matrix for the group of n antennas and a phase coefficient matrix with respect to the precoding matrix for the group of n antennas..
Lg Electronics Inc.
Closed-loop multiple-input-multiple-output scheme for wireless communication based on hierarchical feedback
The present invention provides methods implemented in a base station having a plurality of antennas and one or more user terminals. One embodiment of the method includes receiving feedback from at least one user in response to transmitting a first frame to said at least one user.
Lucent Technologies Inc.
Signal generating method and signal generating apparatus
A transmission method for simultaneously transmitting a first modulated signal and a second modulated signal at the same frequency includes performing precoding on both signals using a fixed precoding matrix and regularly changing the phase of at least one of the signals. In this method, the power ratio between a plurality of signals transmitted from a plurality of antennas at the same frequency and at the same time differs from the power ratio between a plurality of pilot signals transmitted from the plurality of antennas at the same frequency and at the same time, whereby the accuracy of channel estimation by a reception device is improved..
Panasonic Intellectual Property Corporation Of America
Communication device and signal detection method
Provided are a communication device and a signal detection method capable of improving the detection accuracy for transmission signals transmitted from one or two or more transmission devices. The communication device includes a phased-array antenna, in which a plurality of antenna elements are arranged on a plane, for receiving a signal transmitted from one or two or more transmission devices; a signal converter that includes a plurality of beamformers, each of which synthesizes a received signal received at each antenna element, for each sub-array formed by grouping the plurality of antenna elements, and converts the signal synthesized for each sub-array into a baseband signal; and a signal processor for detecting a transmission signal transmitted from each of the one or two or more transmission devices, based on a baseband signal for each sub-array, which is received from each of the plurality of beamformers, for each resource block..
Samsung Elecronics Co., Ltd.
Supporting high dimensional mu-mimo beamforming by sounding multiple frames with different sets of antenna patterns
In some aspects, the disclosure is directed to methods and systems for performing channel estimation between a beamformer and a beamformee. A beamformer can determine that a beamformee is configured to perform channel estimation for up to a pre-configured number of transmit spatial streams from the beamformer.
Method and transmitting codebook-based signal in wireless communication system
The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting a codebook-based signal. A method for transmitting channel state information from a terminal in the wireless communication system, according to one embodiment of the present invention, comprises the steps of measuring a downlink channel from a downlink signal that is received from a base station; determining a first precoding matrix indicator (pmi) and a second pmi of the downlink channel based on the measurement of the downlink channel; and transmitting the first pmi and the second pmi to the base station, wherein the first pmi indicates a first precoding vector that includes a first elevation angle component of a multi-antenna of the base station, the second pmi indicates a second precoding vector that includes a second elevation angle component and an azimuth angle component of the multi-antenna of the base station, and wherein the second elevation angle component can be determined based on the value of the first elevation angle component..
Lg Electronics Inc.
Method of optimizing radio link monitor window parameter in wireless heterogeneous communication network
The invention relates to a method, in a first base station (110) of a wireless communication network, of calibrating an offset of an antenna array of the first base station relative to an antenna array of a second base station (120) in the wireless communication network, the method including the steps of: dividing a whole parameter offset range into a plurality of segments (s211) according to the requirement of calibration precision and assigning a feature value for each segment; compensating uplink channel state information according to the feature value assigned to one of the plurality of segments in a predetermined order in a first cycle (s411); designing a pre-coding vector or matrix for downlink data transmission according to a compensation result (s413), pre-coding downlink data and subsequently transmitting the downlink data to a user equipment cooperatively with the second base station (s414, s423); and judging whether all the segments of the parameter offset range have been traversed (s415), and if a judgment result is negative, then repeating the foregoing steps; or if the judgment result is positive, then ending the first cycle (s415).. .
Electronic device and operating method thereof
An electronic device with wireless communication capability including at least one antenna, a detection module, and a setting module. The detection module detects an amount of a current returning from the at least one antenna.
Samsung Electronics Co., Ltd.
Radio frequency switching circuit
A radio frequency switching circuit may include: a first switching circuit unit connected between a first signal port for transmitting and receiving signals and a common connection node connected to an antenna port and operated by a first gate signal; a second switching circuit unit connected between a second signal port for transmitting and receiving the signals and the common connection node and operated by a second gate signal; a signal selecting unit selecting a signal having a higher voltage between the first and second gate signals and providing the selected signal as a reference voltage; and a voltage generating unit generating a common node voltage using the reference voltage and providing the generated common node voltage to the common connection node, the common node voltage being lower than the reference voltage and being higher than a voltage level of zero.. .
Samsung Electro-mechanics Co., Ltd.
Radio frequency front-end based on high-intermediate frequency superheterodyne and zero intermediate frequency structure
The invention discloses a radio frequency front-end based on the high-intermediate frequency superheterodyne and zero intermediate frequency structure, which includes a transmitting module and a receiving module, wherein, the receiving module includes the following devices connected in turn with each other: a transceiving antenna, a low-pass filter, a superheterodyne unit, an if band-pass filter, a zero-if unit, a analog-to-digital converter and a digital baseband module of which the output is communicated with the transmitting module. The zero-if unit includes the following devices which are also connected in turn with each other: a zero-if mixer, an active low-pass filter and a variable gain operational amplifier of which the output is communicated with the input of the adc; the inputs of the zero-if mixer are communicated with the output of the if band-pass filter and the second lo respectively.
Systems and methods for a radio frequency transmitter with improved linearity and power out utilizing pre-distortion and a gan (gallium nitride) power amplifier device
Various embodiments provide for systems and methods for increased linear output power of a transmitter. An exemplary wireless communications system for transmitting an input signal comprises a predistorter module, a gan power amplifier, a coupler, and an antenna.
Aviat U.s., Inc.
Impedance matching apparatus and method, and computer program
A impedance matching apparatus (100) is provided with: a matching circuit (110) having a plurality of variable reactance elements; an incident signal/reflected signal extracting circuit (120) configured to extract an incident signal and a reflected signal; an estimating device (130) configured to estimate input impedance of a transmitting antenna (11) on the basis of the extracted incident signal and the extracted reflected signal; and a setting device (140) configured to set a value associated with one part of the plurality of variable reactance elements such that output impedance of a power supply (14) theoretically matches the input impedance on the basis of the estimated input impedance, and then adjust a value associated with at least one of the plurality of variable reactance elements according to the extracted reflected signal.. .
Multi mode bias modulator operating in envelope tracking mode or average power tracking mode and envelope tracking power amplifier using the same
A multi-mode bias modulator operating in envelope tracking mode or average power tracking mode and an envelope tracking power amplifier using the same are disclosed. The envelope tracking power amplifier includes a multi-mode bias modulator and a power amplifier.
Research & Business Foundation Sungkyunkwan University
Multi-mode bias modulator and envelope tracking power amplifier using the same
An envelope tracking power amplifier is disclosed herein. The envelope tracking power amplifier includes a multi-mode bias modulator and a power amplifier.
Research & Business Foundation Sungkyunkwan University
Wireless power feeding unit, electronic apparatus, and controlling wireless power feeding unit
A wireless power feeding unit includes a receiving antenna; a control circuit having a wireless communication function in accordance with a communication standard; an impedance matching circuit, connected between the receiving antenna and the control circuit, for impedance matching between the receiving antenna and the control circuit; a conversion circuit converting alternate-current power into a direct-current voltage; a resonant circuit connected between the receiving antenna and the conversion circuit, receiving, in a resonant condition, electromagnetic energy via the receiving antenna, and outputting alternate-current power; and a switch circuit, based on a control signal from the control circuit, connecting the receiving antenna with the impedance matching circuit or the resonant circuit selectively. The control circuit controls the switch circuit so as to connect the receiving antenna with the impedance matching circuit for wireless communication and connect the receiving antenna with the resonant circuit for wireless power feeding..
Ricoh Company, Ltd.
Wireless power transmission system and power transmitting device
A power transmitting device includes a power transmitting circuit that converts second dc power input from a dc power supply to ac power, a power transmitting antenna and a control circuit that receives a voltage value of the first dc power from the power receiving device. The control circuit changes a frequency of the ac power that is transmitted to the power receiving antenna, detects, from the received voltage values, a first frequency corresponding to a local minimum value of the voltage values and a second frequency corresponding to the voltage value that takes a local maximum value at a frequency higher than the first frequency, and sets the frequency of the ac power transmitted to the power receiving antenna to a frequency between the first frequency and the second frequency..
Lens antenna, manufacturing and using such an antenna, and antenna system
The invention relates to a lens antenna. The invention also relates to an antenna system for transmitting and receiving electromagnetic signals comprising at least one antenna according to the invention.
The Antenna Company International N.v.
Electronic device with satellite navigation system slot antennas
An electronic device may be provided with a satellite positioning system slot antenna. The slot antenna may include a slot in a metal housing.
In a multilayer substrate, eight front-side antenna portions and eight back-side antenna portions are disposed. Front-side radiation elements in the front-side antenna portions and back-side radiation elements in the back-side antenna portions are arranged in a staggered pattern when being vertically projected onto an back side of the multilayer substrate.
Murata Manufacturing Co., Ltd.
Capacitively coupled patch antenna
Systems and methods relating to patch antennas. A patch antenna has a substrate, a resonant metal plate at one side of the substrate, and a ground plane at the other opposite side of the substrate.
Tallysman Wireless Inc.
Antenna oscillator structure
A flattened antenna oscillator structure has a square frame with an opening in the middle of a lower side. Two vertical oscillator leads parallel to left and right sides are symmetrically arranged inside the frame.
Shenzhen Antop Technology Co., Ltd
A broadband antenna includes a substrate; a grounding unit; a first radiating element, including a first segment and a second segment substantially perpendicular to each other, wherein the first segment is electrically connected to the grounding unit and the second segment extends toward a direction; a second radiating element, coupled to the first radiating element; a third radiating element having a terminal coupled to or electrically connected to the second radiating element and another terminal electrically connected to the grounding unit; and a signal feed-in element electrically connected to the third radiating element for transmitting or receiving a radio signal; where the first, the second and the third radiating elements are disposed on the substrate along the direction defined by an order of the first segment of the first radiating element, the second radiating element and the third radiating element.. .
Wistron Neweb Corporation
Wideband dual-polarized patch antenna array and methods useful in conjunction therewith
A flat antenna element including at least one radiating patch; and at least one impedance transformer including a feed-point arm connected to the patch which intersects between micro-strip feed lines and the radiating patch, wherein said arm has a first end electrically connected to an individual feed line and a second end which is electrically connected to the patch, and wherein said second end electrically connected to the patch has a width small enough to yield a level of impedance, for the arm, which is more than, e.g. More than twice, the level of impedance of the patch, and wherein the width of the feed line of end connected to patch is narrower than the end connected to the feed line..
Mti Wireless Edge, Ltd.
Patch antenna device
A vehicle-mounted patch antenna device includes a substrate, a ground conductor provided on the substrate, an antenna element section, a stub, and a notification circuit section. The antenna element section is provided on a surface that faces a surface on which the ground conductor of the substrate is provided, and includes a power feeding section and a degeneracy separation element section.
Harada Industry Co., Ltd.
Multiple frequency range antenna
A multiple frequency range antenna may include a plurality of printed conductive arrays and a plurality of printed layers alternately placed together in a printed circuit board sandwich. A connection component may be attached to the printed an exposed section of the printed circuit board sandwich.
Antenna device, communication terminal device, and communication terminal device cover
An antenna device includes a feed coil including a coil conductor and being connected to a feed circuit, and an antenna coil including a coil conductor, a portion of the antenna coil being a coupler portion that electromagnetically couples with the feed coil. The winding axis of the coil conductor of the feed coil is not parallel to the direction along which the coil conductor of the antenna coil at the coupler portion extends.
Murata Manufacturing Co., Ltd.
There is disclosed a multiband antenna device comprising a conductive elongate antenna element configured for electrical connection to a groundplane at a grounding point, and a conductive elongate feeding element configured for electrical connection to a radio transmitter/receiver at a feeding point. At least a major portion of the antenna element is configured to extend in a first direction and to double back on itself in a second, substantially counter-parallel direction forming a slot.
Microsoft Technology Licensing, Llc
Dual-band multiple beam reflector antenna for broadband satellites
A broadband satellite antenna for producing a dual-band multiple beam coverage in transmission and reception based on an offset dual-optics configuration that includes a single main parabolic reflector, a hyperbolic sub-reflector, a first transmitting multiple-feed-per-beam feed system, and a second receiving multiple-feed-per-beam feed system. The sub-reflector surface is a frequency selective surface configured to transmit any electromagnetic signals in the higher frequency band and to reflect any electromagnetic signals in the lower frequency band.
Agence Spatiale Europeenne
Dynamic polarization and coupling control from a steerable, multi-layered cylindrically fed holographic antenna
An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises: an antenna feed to input a cylindrical feed wave; a first layer coupled to the antenna feed and into which the feed wave propagates outwardly and concentrically from the feed; a second layer coupled to the first layer to cause the feed wave to be reflected at edges of the antenna and propagate inwardly through the second layer from the edges of the antenna; and a radio-frequency (rf) array coupled to the second layer, wherein the feed wave interacts with the rf array to generate a beam..
Antenna array system for producing dual circular polarization signals utilizing a meandering waveguide
An antenna array system for directing and steering an antenna beam is described in accordance with the present invention. The antenna array system may include a feed waveguide having a feed waveguide length, at least two directional couplers in signal communication with the feed waveguide, at least two pairs of planar coupling slots along the feed waveguide length, and at least two horn antennas..
The Boeing Company
Adaptive interference suppression via subband power measurements of a phased-array antenna
A phased-array antenna system includes an array of antenna feed elements that produces a radiation pattern to provide spot beams within which to receive a signal in a frequency band and carrying communication from a terminal at a known geographic location. A beamformer forms the spot beams; and a channelizer divides the frequency band into frequency subbands, and measures power levels of the signal over respective frequency subbands.
The Boeing Company
Dynamic polarization and coupling control from a steerable cylindrically fed holographic antenna
An apparatus is disclosed herein for a cylindrically fed antenna and method for using the same. In one embodiment, the antenna comprises an antenna feed to input a cylindrical feed wave and a tunable slotted array coupled to the antenna feed..
Link quality to static and non-static devices
In some aspects, the disclosure is directed to methods and systems for transmitting to static and non-static devices. An access point having a plurality of antennas can send a plurality of sounding frames from the plurality of antennas to a plurality of devices.
Scanning meta-material antenna and scanning with a meta- material antenna
Various antennas and systems of antennas can benefit from meta-material construction. For example, avionics antennas including weather antennas may benefit from being constructed of meta-materials.
Aviation Communication & Surveillance Systems Llc
Reducing antenna array feed modules through controlled mutual coupling of a pixelated em surface
A reconfigurable radio frequency aperture including a substrate, a plurality of reconfigurable patches on the substrate, and a plurality of reconfigurable coupling elements on the substrate, wherein at least one reconfigurable coupling element is coupled between a reconfigurable patch and another reconfigurable patch, and wherein the reconfigurable coupling elements affect the mutual coupling between reconfigurable patches.. .
Hrl Laboratories Llc.
An antenna includes a grounding portion extending in a longitudinal direction and defining a first end and a second end opposite to each other, a first arm extending from the first end of the grounding portion and towards the second end and defining a first slot with the grounding portion, and a second arm extending from the second end of the grounding portion and towards the first end and defining a second slot. The first arm includes a free end close to the second end defining an opening between the free end and the second end.
Foxconn Interconnect Technology Limited
Mandrel-wound magnetic antenna and making same
An antenna includes an electrical excitation component and a core component. The electrical excitation component has and input, an output and a conducting component.
Dual band pcb antenna for vehicle
A printed circuit board (pcb) is disposed to stand vertically on a main board and having a first surface and a second surface opposite to the first surface. A main antenna pattern is formed on the first surface of the pcb to operate in dual band including a low frequency band and a high frequency band.
Winnercom Co., Ltd.
Planar antenna microwave module
The present invention discloses a planar antenna microwave module, including an oscillation circuit board and a planar antenna board. The oscillation circuit board is a double-sided printed circuit board.
Hytronik Electronics Co., Ltd
Antenna structure, electronic device using same, and making same
An antenna structure includes a carrier and an antenna coupled to the carrier. The carrier has at least one end, at least one fixing hole formed on the end of the carrier, and at least one groove formed in the middle of the carrier.
Fih (hong Kong)limited
Antenna device and communications device
A small antenna device having good communications performance and a wide communications area even when a metal plate is present in the antenna communications direction, even when the antenna is arranged, for example, inside a box-shaped metal case, and even when a through hole is used that has a smaller area than the antenna. This device comprises: the antenna (8); a rear surface cover (3) overlapping with the antenna (8) and being a conductor that faces the winding of the antenna (8); two first insulating areas (10a) provided in the rear surface cover (3) and extending in a direction that intersects the winding axis of the antenna (8); and a second insulating area (10b) that connects between the first insulating areas (10a).
Panasonic Intellectual Property Management Co., Ltd.
Array antenna with shaped beam pattern for toll road collection system applications
A system for properly illuminating a toll collection zone without illuminating any areas outside the toll collection zone in which vehicles may be found, while minimizing lost tolls due to shadowing of shorter vehicles by taller vehicles. In one embodiment, a linear array antenna is configured to illuminate a rectangular collection zone from a point offset from the center of the roadway.
Image capturing device having printed antenna
An image capturing device having an antenna includes a lens module and a first circuit board. The first circuit board includes a printed antenna and a first transmitting port.
Smart Approach Co., Ltd.
Three-axis pedestal having motion platform and piggy back assemblies
A rotationally-stabilizing tracking antenna system includes a three-axis pedestal, a drive assembly rotating a vertical support assembly relative to a base assembly, a cross-level driver pivoting a cross-level frame assembly relative to the vertical support assembly, and an elevation driver pivoting an elevation frame assembly relative to the cross-level frame assembly, a motion platform assembly affixed to the elevation frame assembly, three orthogonally mounted angular rate sensors disposed on the motion platform assembly sensing motion about x, y and z axes, a three-axis gravity accelerometer mounted on the motion platform assembly to determine a true-gravity zero reference, and a control unit determining the actual position of elevation frame assembly based upon sensed motion about x, y, and z axes and the true-gravity zero reference, and controlling the azimuth, cross-level and elevation drivers to position the elevation frame assembly in a desired position.. .
Sea Tel, Inc. (d/b/a Cobham Satcom Marine Systems)
Antenna for satellite communication
An antenna for satellite communication includes; a signal transmitting and receiving unit for receiving or transmitting a signal from/to the satellite; a driving unit for rotating the signal transmitting and receiving unit so as to enable the signal transmitting and receiving unit to track the satellite; an anti-vibration unit provided inside the posts for elastically supporting the signal transmitting and receiving unit or the driving unit. Therefore, by providing the anti-vibration unit inside the posts, it is possible to increase availability for a circumferential space of the posts and to simplify the structure of the anti-vibration unit..
Intellian Technologies Inc.
Method and an optical frequency rectfier
The present invention is a method and apparatus for receiving and converting incident radiation into dc current. The method begins with selection of an antenna having a terminal tip with a sharp edge.
Scitech Associates Holdings, Inc.