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 Microwave heating apparatus patent thumbnailnew patent Microwave heating apparatus
A microwave heating apparatus comprises: a housing, arranged to define a cavity; a semiconductor rf generator, configured to provide at least one rf signal; and a plurality of rf antennas, arranged in a distributed way within the cavity and configured to radiate the at least one rf signal from the semiconductor rf generator, such that items received in the cavity are dielectrically heated by the radiation.. .
Wayv Technologies Limited


 Base station, user terminals and wireless communication method patent thumbnailnew patent Base station, user terminals and wireless communication method
The objective of the invention is to suppress, in a case of applying the rrh system in an environment having a plurality of cells (multi-cellular environment), the reduction of the throughput of the whole system. A base station, in the rrh system in which a plurality of antenna ports are dispersively placed in each of a plurality of cells, comprises: a selection unit that selects antenna ports, to which user terminals are to connect, from among the antenna ports of the cells in which the user terminals are existent; and a power setting unit that controls the transmission powers of the antenna ports.
Agency For Science, Technology And Research


 Accident information management apparatus, vehicle including accident information management apparatus, and accident information management method patent thumbnailnew patent Accident information management apparatus, vehicle including accident information management apparatus, and accident information management method
A vehicle includes a communication unit including an antenna array having a plurality of antenna elements for transmitting and receiving a signal and a beamformer for forming a beam pattern focused in a specific direction by adjusting a phase of the signal transmitted from the plurality of antenna elements, and a controller for controlling the communication unit to transmit a request signal of accident associated information by focusing the beam pattern onto a peripheral vehicle.. .
Hyundai Motor Company


 Method for operating a base station in a wireless radio network patent thumbnailnew patent Method for operating a base station in a wireless radio network
The present invention relates to a method for operating a base station (21) in a wireless radio network. The base station (21) comprises a plurality of antennas (22) for transmitting radio frequency signals between the base station (21) and a user equipment (ue1, ue2, ue3).
Sony Corporation


 Method for dual mode beamforming and  the same patent thumbnailnew patent Method for dual mode beamforming and the same
Disclosed are dual mode beamforming methods and apparatuses for the same. An exemplary embodiment of the dual mode beamforming method may comprise obtaining a boundary equation generated based on mean channel gains (mcgs) and spatial correlation coefficients (sccs) for a plurality of antennas of a plurality of base station; obtaining, from the plurality of base stations, mcgs of respective antennas equipped in each of the plurality of base stations and a scc of a plurality of antennas equipped in at least one base station of the plurality of base stations; and determining a beamforming mode based on the boundary equation, the mcgs and sccs obtained from the plurality of base stations.
Industry-academic Cooperation Foundation, Yeungnam University


 Method and  configuration of csi-rs for 3d-mimo patent thumbnailnew patent Method and configuration of csi-rs for 3d-mimo
In an aspect, a method of wireless communication includes transmitting first reference signals from a base station using a first set of antenna ports, and receiving first feedback information at the base station from a user equipment (ue). The first feedback information may be associated with the first reference signals.
Qualcomm Incorporated


 Antenna system, integrated communication structure and terminal patent thumbnailnew patent Antenna system, integrated communication structure and terminal
Provided are an antenna system, an integrated communication structure and a terminal. The antenna system comprises: a first antenna which is connected to transmission paths of a plurality of communication modules and used for transmitting transmission signals from each of the transmission paths; and a second antenna which is connected to receiving paths of the plurality of communication modules and used for transmitting a received signal from the outside to a corresponding communication module via a corresponding receiving path.
Yulong Computer Telecommunication Scientific (shenzhen) Co., Ltd.


 Antenna, antenna apparatus, terminal, and  adjusting working frequency band of antenna patent thumbnailnew patent Antenna, antenna apparatus, terminal, and adjusting working frequency band of antenna
An antenna, an antenna apparatus, and a terminal are provided. The antenna includes a feeding point, a feeding stub, and a coupling stub.
Huawei Device Co., Ltd.


 Accident information management appratus, vehicle including the same, and accident information management method patent thumbnailnew patent Accident information management appratus, vehicle including the same, and accident information management method
An accident information management apparatus for acquiring accident associated information such as images stored in a black box (i.e., black box images) from a peripheral vehicle through direct communication between vehicles when an accident such as a traffic accident occurs, a vehicle including the accident information management apparatus, and a method for managing accident information are disclosed. The vehicle includes an antenna array having a plurality of antenna elements configured to transmit and receive a signal; and a beamformer configured to adjust a phase of the signal transmitted from the antenna elements so as to form a beam pattern focused in a specific direction; and a controller configured to focus the beam pattern onto a peripheral vehicle so as to control a communication unit to transmit a request signal of accident associated information.
Hyundai Motor Company


 Apparatus and  well logging and data processing device patent thumbnailnew patent Apparatus and well logging and data processing device
The disclosure relates to an apparatus and a method for well logging as well as a data processing device thereof. Said apparatus for well logging comprises a drill collar body and an array of antennas, wherein said array of antennas comprises at least a pair of transmitting antenna and receiving antenna, said transmitting antenna and receiving antenna are configured for generating a curve of axial forward depth of investigation.
Shengli Drilling Technology Research Institute Of Sinopec


new patent

Spiral conveyor belt determining overdrive of the same


A conveyor belt system includes a spiral conveyor belt, a spiral conveyor cage structure adjacent the spiral conveyor belt, an rfid sensor integral to the spiral conveyor belt, and a plurality of antennas of a reader, the antennas being attached to the spiral conveyor structure. A method of using the conveyor belt system includes rotationally displacing the spiral conveyor belt relative to a portion of the spiral conveyor cage structure, obtaining and storing first time stamp data when the rfid sensor passes one of the plurality of antennas, and obtaining and storing second time stamp data when the rfid sensor passes another one of the plurality of antennas..
Cambridge International Inc.


Dmrs with shortened scheduling


According to some embodiments, a network node is operable to separately schedule radio transmissions per sub-subframe (ssf). A method in the network node comprises mapping a first demodulation reference signal (dmrs) to first resource elements in a first ssf.
Telefonaktiebolaget Lm Ericsson (publ)


Method of acquiring, auditing and interpreting radiation data for wireless network optimization


The present invention is a method for surveying, monitoring and auditing cell towers and antennas emitting radiation such as radio frequency and infra-red radiation using unmanned aerial vehicles. The method employs vertical measurements of signal strength, interference and radiation with a mobile platform for evaluating test data and optimizing network performance and safety.
Ontegrity, Inc.


Reciprocal channel sounding reference signal multiplexing


Systems and techniques are disclosed to enhance the efficiency of available bandwidth between ues and base stations. A ue transmits a sounding reference signal (srs) to the base station.
Qualcomm Incorporated


Transmitter multiple antenna systems, transmitter apparatus and network node thereof


The embodiments of the invention relate to a transmitter method for multiple antenna systems. The transmitter method contains the step of operating at least one antenna array in a first operation mode by transmitting first transmit signals (ts1-1, ts1-a, ts1-a) from a first number of antenna elements (aeg1) with a first transmit power and the step of operating the at least one antenna array in at least one second operation mode by transmitting at least second transmit signals (ts2-1, ts2-b, ts2-b, ts3-1, ts3-c, ts3-c) from at least one second number of antenna elements (aeg2, aeg3) smaller than the first number of antenna demeats with at least one second transmit power larger than the first transmit power.
Alcatel Lucent


Communications terminal, and a selecting a transmit antenna for a transmission to a radio communications network


A communications terminal may include: a plurality of antennas; and a selection circuit configured to select at least one antenna of the plurality of antennas as a transmit antenna for a transmission to a radio communications network, wherein a selection of the transmit antenna may be based on a selection criterion.. .
Intel Deutschland Gmbh


Sensor fusion for antenna tuning


Sensor fusion for antenna tuning for wireless devices is provided to enhance antenna tuning and reduce power consumption of wireless devices. A sensor management component (smc) obtains sensor information from sensors associated with a wireless device and determines position and/or orientation of the wireless device in relation to the user, and/or tracks movement of the wireless device.
Invensense, Inc.


Radio frequency receiver capable of determining a noise estimate in case of received power unbalanced antennas and operating thereof


The present application suggests a receiver and a method of operating thereof for determining a noise estimate based on a radio frequency signal from an interference source over different propagation paths through a plurality of antennas. A covariance matrix estimator coupled through separate processing paths to a respective one of the plurality of antennas is arranged to determine an estimate of a covariance matrix based on the received radio frequency signal.
Freescale Semiconductor, Inc.


Dual frequency hf-uhf identification device


The dual frequency hf-uhf identification device comprises a rfid integrated circuit with a power supply having a hf part, formed by a hf rectifier connected to a hf antenna, and a uhf part formed by a uhf rectifier connected to a uhf antenna. The rfid integrated circuit comprises a storage capacitor common to the hf and uhf parts of the power supply.
Em Microelectronic-marin S.a.


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Single band dual concurrent network device


A network device comprising, a first radio module configured to transmit and receive first radio signals in a first frequency band, a first antenna array configured to transmit and receive the first radio signals for the first radio module in the first frequency band, a second radio module configured to transmit and receive second radio signals in the first frequency band, a second antenna array configured to transmit and receive the second radio signals for the second radio module in the first frequency band, wherein, in operation, the first radio module and the second radio modules function concurrently using the first frequency band while at least 40 db of antenna isolation is maintained between the first antenna array and the second antenna array.. .
Aerohive Networks, Inc.


Single band dual concurrent network device


A network device comprising, a first radio module configured to transmit and receive first radio signals in a first frequency band, a first antenna array configured to transmit and receive the first radio signals for the first radio module in the first frequency band, a second radio module configured to transmit and receive second radio signals in the first frequency band, a second antenna array configured to transmit and receive the second radio signals for the second radio module in the first frequency band, wherein, in operation, the first radio module and the second radio modules function concurrently using the first frequency band while at least 40 db of antenna isolation is maintained between the first antenna array and the second antenna array.. .
Aerohive Networks, Inc.


Impedance helical antenna forming pi-shaped directional diagram


A quadrifilar helix antenna includes a cylindrical support extending along an antenna axis; a plurality of antenna elements wrapped helically on the cylindrical support and along the antenna axis from a feed end to a remote end; a ground plane having a diameter of about 300 mm and perpendicular to the antenna axis; and each of the antenna elements including a plurality of breaks, with the breaks having capacitors between conducting portions of the antenna elements. All capacitors are positioned higher than a height h1=90+/−30 mm mm above the ground plane.
Llc "topcon Positioning Systems"


True time delay compensation in wideband phased array fed reflector antenna systems


Systems, devices, and methods for determining and applying true time delay (ttd) values for compensating for free-space path length differences between a phased array and a reflector in wideband communication are disclosed. Ttd values are determined for individual and groups of antenna elements in phased array fed reflector (pafr) antennas based distances from a focal region of the reflector.
Viasat, Inc.


Methods of antenna selection based on movement/orientation, and related wireless electronic devices


Methods of antenna selection in a wireless electronic device are provided. The methods include detecting movement of the wireless electronic device (a first wireless electronic device).
Sony Corporation


Antenna arrangement and kitchen apparatus


The invention describes an easy-to-manufacture wide-band antenna arrangement (100) and a kitchen appliance including this antenna arrangement. A resonating part of any antenna arrangement has a flat shape, its outer edges have an elliptical curvature and a coaxial cable is located at a feed in a slit in the middle of the resonating plate.
Electrolux Appliance Aktiebolag


Gaming table device having a game table on which the game medium is disposed


A gaming table device which can determine frauds precisely and human errors is provided. A plurality of antennas for reading medium identification information of the game medium disposed on a game table through a wireless communication are disposed at locations spaced away from each other, and when a first antenna of the plurality of antennas is selected, a second antenna spaced at a predetermined distance from the first antenna of the plurality of antennas is selected..
Aruze Gaming America, Inc.


System and method using frequency hopping to identify items tagged with rfid tags in an enclosed space


A system and method comprises a plurality of rf antennas having beams directed to a storage space in which medical items having rfid tags are stored. Each antenna is controlled to inject energy at a different frequency in a frequency-hopping set of frequencies to activate the tags.
Meps Real-time, Inc.


Electromagnetic tomography solutions for scanning head


An electromagnetic tomography system for gathering measurement data pertaining to a human head includes an image chamber unit, a control system, and a housing. The image chamber unit includes an antenna assembly defining a horizontally-oriented imaging chamber and including an array of antennas arranged around the imaging chamber.
Emtensor Gmbh


Multiple-antenna system for cell-specific and user-specific transmission


A reception method and apparatus for use in a multi-cell orthogonal frequency division multiple access (ofdma) wireless system. In a unicast receive mode during a first receive time period, a first group of orthogonal frequency division multiplexing (ofdm) symbols is received by a mobile device from multiple of a plurality of antennas at a serving base station.
Neocific, Inc.


Method and spatial modulation


A method of transmitting signals by a transmitting side device having multiple antennas (hereinafter ‘n antennas’) is disclosed. In this method, the transmitting side device transmits reference signals (rss) via m antenna among the n antennas, where m≦n, where one or more of m and a sequence of antenna numbers used for transmitting rss informs a receiving side device of first information for data transmission, and where the rss are used by the receiving side device for identifying second information for channel estimation.
Lg Electronics Inc.


Architecture for cancelling self interference and enabling full duplex communications


Methods and systems are provided for cancelling self-interference in a wireless communication system is provided. One of the methods includes placing a first set of antennas in an omni-directional antenna pattern, wherein the first set of antennas includes a plurality of directional antenna elements in a node.
Nec Laboratories America, Inc.


Service provider adaptive vehicle antenna


A vehicle may include a plurality of antennas each associated with a different radio frequency; and a modem including a radio-frequency transceiver and an antenna control processor configured to selectively connect a selected one or more of the plurality of antennas having a radio frequency matching at least one frequency associated with a desired service provider to the transceiver. The vehicle may also determine whether a service-provider-recommended alternate frequency is available, responsive to service provider signal strength being below a predefined signal strength; and if so, direct the modem to switch to an antenna associated with the alternate frequency, and otherwise, cycle to a next available antenna frequency..
Ford Global Technologies, Llc


Cognitive radio antenna assembly


The cognitive radio antenna assembly includes two boards, a main board that has an ultra-wideband antenna (uwb) and also serves as a ground plane for the reconfigurable antenna, and an elevated mimo board having two planar inverted-f antennas (pifas) that are reconfigurable to selectively operate on different frequency bands. Each pifa has a radiating patch having a slot bridged by pin diodes and dc blocking capacitors on opposite sides of the slot.
King Fahd University Of Petroleum And Minerals


Aperture segmentation of a cylindrical feed antenna


A method and apparatus for aperture segmentation are disclosed. In one embodiment, the antenna comprises an antenna feed to input a cylindrical feed wave and a physical antenna aperture coupled to the antenna feed and comprising a plurality of segments having antenna elements that form a plurality of closed concentric rings of antenna elements when combined, where the plurality of concentric rings are concentric with respect to the antenna feed..
Kymeta, Inc.


Antenna element placement for a cylindrical feed antenna


A method and apparatus is disclosed herein for antenna element placement are disclosed. In one embodiment, an antenna comprises an antenna feed to input a cylindrical feed wave; a single physical antenna aperture having at least one antenna array of antenna elements, where the antenna elements are located on a plurality of concentric rings concentrically located relative to an antenna feed, wherein rings of the plurality of concentric rings are separated by a ring-to-ring distance, wherein a first distance between elements along rings of the plurality of concentric rings is a function of a second distance between rings of the plurality of concentric rings; and a controller to control each antenna element of the array separately using matrix drive circuitry, where each of the antenna elements is uniquely addressed by the matrix drive circuitry..
Kymeta, Inc.


Approach to improve pointing accuracy of antenna systems with offset reflector and feed configuration


Systems, methods, and apparatus for calibration for an offset antenna are disclosed. In one or more embodiments, the disclosed method involves calculating an estimated gimbal angle between the offset antenna and at least one target.
The Boeing Company


Portable electronic device with antenna


An electronic device may have components mounted in a housing. The device may include wireless transceiver circuitry and antenna structures.
Apple Inc.


Security system,


A security system comprises a line array of antenna elements configured to transmit electromagnetic radiation and to receive scattered electromagnetic radiation scattered back from an object and an automatic movement element that automatically moves between at least two positions to perform a predetermined function. Said line array is mounted to said automatic movement element to transmit electromagnetic radiation to and receive scattered electromagnetic radiation from a screening area in front of and/or behind the automatic movement element.
Sony Corporation


Methods, apparatuses and computer program products for calibration of antenna array


Provided are methods, apparatuses, and computer program products for calibrating a direction-finding system in a handheld device. A method is provided, which comprises: displaying instructions for orienting a device such that an image of a calibration source through a camera of the device falls in a designated position on a screen of said device; receiving a signal from said calibration source via an antenna array of the device; calculating an orientation angle between said device and said calibration source based on said image of the calibration source; storing pairs of the signal and the orientation angle at various instances while moving or rotating the device to make the image of the calibration source move along a predefined trajectory displayed on the screen; and calibrating a direction-finding system in the device based on the stored pairs of the signal and the orientation angle..
Nokia Technologies Oy


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Electromagnetic tomography solutions for scanning head


An electromagnetic tomography system for gathering measurement data pertaining to a human head includes an image chamber unit, a control system, and a housing. The image chamber unit includes an antenna assembly defining a horizontally-oriented imaging chamber and including an array of antennas arranged around the imaging chamber.
Emtensor Gmbh


Distribution and utilization of antenna information for location determination operations


Disclosed are implementations, including a method, performed at a processor-based mobile device, that includes receiving at the mobile device antenna information for a wireless node, including a transmitter gain for the wireless node in at least one message transmitted to the mobile device. The at least one message includes, a beacon frame message, a fine timing measurement (ftm) protocol-based message, and/or an assistance data message transmitted from a remote central repository.
Qualcomm Incorporated


Distribution and utilization of antenna information for location determination operations


Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, performed at a processor-based device, that includes obtaining antenna information for one or more wireless nodes, and generating based, at least in part, on the antenna information for the one or more wireless nodes, a heatmap representative of values measurable at a plurality of locations from signals transmitted by the one or more wireless nodes.. .
Qualcomm Incorporated


Spatial routing among microwave backhaul transceivers


A first microwave backhaul transceiver may comprise a plurality of antenna elements. The transceiver may determine atmospheric conditions between it and one or more potential link partners, and adjust a radiation pattern of the plurality of antenna elements based on the determined atmospheric conditions.
Maxlinear, Inc.


Methods of optimizing tilt angle of an antenna


Disclosed is a method of optimizing tilt angle of antennas of a plurality of cells in a wireless cellular system. The method comprising the steps of autonomously determining focal point of each cell of the plurality of cells whose angle of tilt is to be optimized; determining jointly optimal tilt values of the antennas of the plurality of cells based on the determined focal points; and configuring the tilt angle of the antennas of the plurality of cells based on said optimal tilt values..
Qatar University Qstp-b


Sensing proximity utilizing a wireless radio subsystem


In one embodiment, a method includes by an rf transceiver of a wireless communications device associated with a first user of an online system, receiving an rf reference signal from each antenna of a plurality of antennas coupled to the rf transceiver. The method also includes, by a processor of the wireless communications device, determining, for each antenna of the plurality of antennas, at least one characteristic of the rf reference signal.
Facebook, Inc.


Distribution and utilization of antenna information for location determination operations


Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, performed at a first processor-based wireless device, that includes obtaining by the first wireless device a communication comprising antenna information for one or more antennas of a second wireless device, determining at the first wireless device signal strength values for signals transmitted from the second wireless device, and performing location determination operations based on the determined signal strength values for the signals transmitted from the second wireless device, and on the antenna information for the one or more antennas of the second wireless device.. .
Qualcomm Incorporated


Distribution and utilization of antenna information for location determination operations


Disclosed are methods, devices, systems, apparatus, servers, computer-/processor-readable media, and other implementations, including a method, performed at a processor-based wireless mobile device, that includes receiving, by the mobile device, signals that include at least one message comprising antenna information for a first wireless node transmitting the signals, and transmitting, by the mobile device, an information message including the antenna information for the first wireless node to a remote device configured to receive and store antenna data for multiple wireless nodes obtained by one or more wireless devices while visiting respective areas covered by the multiple wireless nodes.. .
Qualcomm Incorporated


Active antenna system and methods of testing


An active antenna test system is described. The active antenna test system comprises an active antenna unit comprising: a plurality of antenna elements; at least one processor; a plurality of transceiver modules operably coupled to the at least one processor and arranged to receive at least one first baseband signal for transmission via at least one of the plurality of antenna elements and arranged to pass at least one second baseband signal thereto received and down-converted from at least one of the plurality of antenna elements; and at least one switching module operably coupling the plurality of antenna modules to the plurality of transceiver modules.
Analog Devices Global


Method of selecting receive antennas for mimo systems


Aspects of the subject disclosure may include, for example, a device, process or software that determines an operation between a number of pairs of antennas of a set of antennas. A pair of antennas of the number of pairs of antennas is determined based on the operation.
At&t Intellectual Property Ii, Lp


Systems and methods of antenna diversity switching


An audio device capable of intelligently switching between multiple antennas is provided. The audio device receives a wireless signal by a default receiving antenna, determines signal quality metrics of the wireless signal received by various antennas, compares the signal quality metrics of the wireless signal received by the various antennas, and selects a receiving antenna from the various antennas to receive the wireless signal based on the comparison of the signal quality metrics of the wireless signal received by the various antennas..
Bose Corporation


Apparatus and gnss antenna selection


An apparatus and method are disclosed for achieving receiver diversity. A wireless unit includes a plurality of antennas, an antenna selector to select one or more antennas from the plurality of antennas, a processor with input data from an inertial sensor for monitoring the orientation of the wireless unit.
Qualcomm Incorporated


Utilization of antenna loading for impedance matching


Techniques for utilization of antenna loading for impedance matching are described. In at least some embodiments, a device (e.g., a smart phone) includes multiple antennas that are employed to send and receive wireless signals for the device.
Microsoft Technology Licensing, Llc


Multipath mitigation in positioning systems


An apparatus for receiving positioning signals comprises an antenna configured to output a plurality of antenna signals and a multipath compensation module for detecting multipath interference, and if multipath interference is detected, selecting one or more of the antenna signals and combining the selected one or more antenna signals to obtain a compensated signal. The antenna is arranged to distinguish between ones of the positioning signals received at different incident angles, and each antenna signal includes ones of the positioning signals received in a predetermined range of incident angles.
Samsung Electronics Co., Ltd.


Digital beamforming based resolution of out-of-path targets showing up as in-path due to grating lobes in array antenna radars


An antenna system, such as a radar antenna system, includes an array of antenna elements and a controller. The controller outputs an in-path indicator in response to an angle of arrival for a target being less than a threshold angle for a given range to the target.
Ford Global Technologies, Llc


Test chamber for electromagnetic compatibility measurement


A test chamber for emc measurement testing, a method for the validation and a method for performing emc measurement tests in such a test chamber. In order to simplify the validation of an emc test chamber and the performance of different emc measurement test procedures in a single test chamber, the novel test chamber for the emc measurement test is configured for performing different emc measurement test procedures by providing a plurality of measurement arrangements with different measurement axes.

Transmission and reception signal processor and method


A transmission apparatus includes a plurality of orthogonal frequency division multiplexing (ofdm) modulation signal generators, which generate a first ofdm modulation signal and a second ofdm modulation signal. The transmission apparatus also includes a transmitter that transmits the first ofdm modulation signal from a first antenna and the second ofdm modulation signal from a second antenna, in an identical frequency band.
Panasonic Intellectual Property Corporation Of America


Radio communication apparatus and radio communication method


A radio communication apparatus provided with a plurality of antennas (101-1 to 101-m) includes: a channel information acquisition unit (105) that acquires information related to channels between the radio communication apparatus and another radio communication apparatus; an index calculation unit (106) that uses that information to calculate indices related to an angular spread of the channels; a weighting factor generation unit (107) that uses that information and the indices to generate weighting factors corresponding to the respective antennas; and a weighting factor multiplication unit (110) that multiplies signals to be processed by each antenna by the weighting factor corresponding to the antenna that processes the signal.. .
Nec Corporation


Signal generation method, transmission device, reception method, and reception device


A signal generation method is used in a transmission device that transmits a plurality of transmission signals from a plurality of antennas at the same frequency and at the same time, in the case where larger power change is performed on a first transmission signal than on a second transmission signal during generation process of the first transmission signal and the second transmission signal, the first transmission signal and the second transmission signal are mapped before the power change such that a minimum euclidian distance between possible signal points for the first signal is longer than a minimum euclidian distance between possible signal points for the second signal.. .
Sun Patent Trust


Radio apparatus, radio control apparatus and communication control method


To reduce a bandwidth required for an optical transmission path (30) in a base station system including an rau (21) for performing mimo transmission using a plurality of antenna elements and a bbu (11), in a communication control method of the present invention, the bbu (11) transmits antenna weight coefficient information indicative of antenna weight coefficients of a plurality of antenna elements (205) and a transmission signal, and the rau (21) multiplies the transmission signal from the bbu (11) by each of the antenna weight coefficients to generate weighted signals of the plurality of antenna elements (205), and transmits the weighted signals from the plurality of antenna elements (205).. .
Ntt Docomo, Inc.


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Antenna structures and configurations for millimeter wavelength wireless communications


Methods, systems, and apparatuses are described for wireless communication using the mmw spectrum. In particular, antenna structures may include arrays of antenna elements to deal with line-of-sight issues.
Qualcomm Incorporated


Antenna device


An antenna device includes a transmission line for propagating high frequency signal, and a plurality of antenna elements connected to the transmission line. The transmission line includes a first plate-shaped conductor, a second plate-shaped conductor, and a third plate-shaped conductor electrically grounded, a first central conductor disposed between the first and second plate-shaped conductors, a second central conductor disposed between the second and third plate-shaped conductors, an electrically connecting member inserted in an inserting hole formed through the second plate-shaped conductor, to electrically connect the first and second central conductors together, and an electrically grounded conductor disposed adjacent to the electrically connecting member.
Hitachi Metals, Ltd.


Low cost space-fed reconfigurable phased array for spacecraft and aircraft applications


A phased array antenna system including a front-end circuit having a plurality of antenna channels, each including a front antenna element and a rear antenna element, that provides a spatially combined beam. Each antenna channel includes a beam scan phase shifter and a true time delay phase shifter through which the receive signals or the transmit signals propagate.
Northrop Grumman Systems Corporation


Mobile terminal with new type of antenna structure


A mobile terminal with a antenna structure applicable to the field of communications equipment technologies, where the antenna structure includes a metal rear cover, a first slot which is disposed on the metal rear cover, and connects with the metal rear cover through one end, a second slot and a third slot which are disposed on the metal rear cover, and located on opposite sides of the first slot, and connects with the first slot through one end, and the metal rear cover includes a rear cover which is located on one side of the second slot and the third slot, and an antenna part located on the other side of the second slot and the third slot, and the antenna part includes a first antenna part located on one side of the first slot and a second antenna part located on the other side of the first slot.. .
Huawei Device Co., Ltd


Method of heating a hydrocarbon resource including slidably positioning an rf transmission line and related apparatus


A method for heating hydrocarbon resources in a subterranean formation may include positioning a tubular conductor within a wellbore in the subterranean formation and slidably positioning a radio frequency (rf) transmission line within the tubular conductor so that a distal end of the transmission line is electrically coupled to the tubular conductor. The method may also include supplying rf power, via the rf transmission line, to the tubular conductor so that the tubular conductor serves as an rf antenna to heat the hydrocarbon resources in the subterranean formation..
Harris Corporation


Base station, mobile station, reference signal transmission method, and channel quality measurement method


A base station that communicates with a mobile station by using a plurality of antenna ports includes a mapping information communication unit configured to generate mapping of reference signals for measuring channel state information of the antenna ports by combining, within a resource block, mappings of reference signals for measuring the channel state information, the mappings being defined for a predetermined number or less of the antenna ports, and configured to communicate information indicating the generated mapping to the mobile station; a multiplexer configured to multiplex the reference signals for measuring the channel state information in one or more resource elements in the resource block in accordance with the generated mapping; and a transmitter configured to transmit the reference signals for measuring the channel state information.. .
Ntt Docomo, Inc.


Channel state information transmission/reception use in wireless communication system


A method and an apparatus for transmitting/receiving channel state information for use in multi-antenna system are provided. A signal communication method of a base station having a plurality of antennas in a wireless communication system includes determining antenna ports of first and second directions based on directions of the plurality of antennas, allocating channel measurement resources for the respective antenna ports to a terminal, transmitting a feedback configuration to the terminal according to the channel measurement resources, and receiving feedback information from the terminal based on the channel measurement resource and the feedback configuration.
Samsung Electronics Co., Ltd.


Impedance transformer for antenna multiplexing


A system for matching impedance of antennas includes a first switch for receiving signals that includes a first power amplifier, a first low noise amplifier coupled to the first power amplifier and a first antenna coupled to both the first power amplifier and the first low noise amplifier. The first switch is configured to match the impedance of the first antenna with the impedance of the first low noise amplifier.
Gainspan Corporation


Array antenna


An array antenna includes: a feed line provided on a first surface of a substrate; a plurality of antenna elements that are provided on the first surface at predetermined gap along the feed line and that are electromagnetically coupled with the feed line; and a conductor plate that is provided on a second surface of the substrate different from the first surface and that is ground for the feed line and the plurality of antenna elements, the plurality of antenna elements including a first antenna element having a shape that resonates at a first frequency and a second antenna element having a shape that resonates at a second frequency different from the first frequency.. .
Panasonic Corporation


Node for high-rise building coverage


An antenna arrangement with two horizontal and two vertical array antennas. A first horizontal antenna port and a second vertical antenna port are connected to a first polarization.
Telefonaktiebolaget Lm Ericsson (publ)


Antenna device and signal processing method


An antenna device includes a plurality of antenna elements respectively configured to receive incident waves coming from an object, a modulating unit respectively configured to modulates a first received signal of the incident waves output from the antenna elements into a second received signal, the second received signals having a plurality of different frequencies and phases corresponding to polarization directions of the received incident waves, a synthesizing unit configured to synthesize the plurality of second received signals and generates a synthetic signal, a signal processing unit, configured to perform predetermined signal processing on the synthetic signal, and an extracting unit configured to extract third received signals for each frequency and each phase from the synthetic signal on which has been performed the predetermined signal processing.. .
Nissan Motor Co., Ltd.


Multiple-input multiple-output (mimo) antenna


A multiple input multiple output (mimo) antenna is provided. The mimo antenna may include, but is not limited to, a printed circuit board having a plurality of edges and a ground layer including, but not limited to a plurality of antenna element mounting locations, at least one of the plurality of antenna element mounting locations being arranged on a first side of the printed circuit board and at least one of the plurality of antenna element mounting locations being arranged on a second side of the printed circuit board, a plurality of slots, each of the plurality of slots extending a predetermined distance from an edge of the printed circuit board, and at least one ground stub, the at least one ground stub comprising an extension of the ground layer of a predetermined electrical length at a predetermined angle relative to the edge of the printed circuit board..
Galtronics Corporation Ltd.


Antenna radome with removeably connected electronics module


In one embodiment, an antenna assembly in a cellular network has a radome that houses a plurality of antenna arrays and an electronics module. The electronics module has a weatherproof housing that encloses electronics for processing signals received by and transmitted from a first of the antenna arrays.
Commscope Technologies Llc


Method and grouping antennas in multiple-input multiple-output antenna system


Disclosed are a method and an apparatus for grouping antennas in a multiple-input multiple-output antenna system. The method of the present invention comprises the steps of: measuring a channel vector for a plurality of antennas of a base station; grouping channel coefficients of the channel vector in accordance with a plurality of antenna grouping patterns and determining grouped codebook vectors corresponding to the grouped channel coefficients; selecting one of the antenna grouping patterns using the grouped codebook vectors for the antenna grouping patterns; and feeding back, to the base station, a pattern index indicating the selected antenna grouping pattern and a codebook index indicating the grouped codebook vector corresponding to the selected antenna grouping pattern..
Korea University Research And Business Foundation


Device for forming wireless high-frequency signal path and controlling same


The present invention relates to a device for forming a wireless high-frequency signal path, comprising: a plurality of output ends respectively connected so as to correspond to a plurality of antenna arrays; a plurality of input ends respectively connected so as to correspond to a plurality of amplifiers; a switching module for forming a path for variably connecting each of the plurality of input ends to one selected from the plurality of output ends according to a switching control signal; and a control unit for receiving an external command and outputting a switching control signal for controlling a switching operation of the switching module according to the external command.. .
Kmw Inc.


Omnidirectional antennas, antenna systems and methods of making omnidirectional antennas


Exemplary embodiments are disclosed of antennas, antenna systems, and methods of making antennas. In an exemplary embodiment, an antenna generally includes at least two feeds and at least one open side defined between the at least two feeds.
Laird Technologies, Inc.


Combined antenna apertures allowing simultaneous multiple antenna functionality


An antenna apparatus and method for use of the same are disclosed herein. In one embodiment, the antenna comprises a single physical antenna aperture having at least two spatially interleaved antenna arrays of antenna elements, the antenna arrays being operable independently and simultaneously at distinct frequency bands..

Method and apparatus to control the gain of a millimeter wave phased array system


The systems and method described herein provide efficient wireless communication in a millimeter wave (mmw) phased array system. The system may comprise a plurality of antenna elements, each of the plurality of antenna elements coupled to a transceiver and transceiver having at least one power amplifier.
Qualcomm Incorporated


Hf antenna for rotor wing aerial vehicles


A hf antenna for rotor wing aerial vehicles which includes a plurality of circularly configured arcs, where each arc has a first end and a second end, the first end is attached to one of the blades, the second end is attached to another blade that is adjacent to the blade attached to the first end, such that each blade of the vehicle is attached to one first end of one of the arcs and one second end of another arc.. .
United States Of America As Represented By The Secretary Of The Navy


Led lighting device and system containing antenna, and related configuring method


Antenna-containing led lighting devices, systems and configuring methods are provided. An exemplary led lighting device includes an led light source component unit and an led driving circuit and power supply unit configured to drive the led light source component unit and to power the led lighting device.
Sengled Optoelectonics Co., Ltd.


Synchronization method, mobile station apparatus and base station apparatus


The present invention is designed to allow a communication system employing massive-mimo to optimize its performance. A mobile station apparatus transmits a synchronization signal by controlling the transmission direction of the transmitting beam for the synchronization signal by means of beamforming using a plurality of antenna elements, and has a synchronization signal processing section (62) that generates the synchronization signal including identification information of the mobile station apparatus, and changes the beamforming weight for the synchronization signal at predetermined time intervals, and a transmitting section (63) that transmits the synchronization signals generated in accordance with each beamforming weight on the uplink..
Ntt Docomo, Inc.


Systems and methods for wireless communication in frequency-limited, client-dense environments


A system for managing the wireless transmission of data using a configured or fixed frequency, such as the 60 ghz spectrum, within a client-dense environment such as an aircraft. The system includes access points (“zaps”) that control a plurality of antennas according to a time-slotted broadcast schedule such that the transmissions from the antennas do not interfere with each other..
Systems And Software Enterprises, Llc


Dynamic partitioning of modular phased array architectures for multiple uses


Various embodiments are generally directed to techniques to dynamically configure a modular antenna array (maa) for multiple independent uses. An maa may include a plurality of antenna modules, each of the antenna modules comprising an array of antenna elements coupled to a radio frequency (rf) beamforming circuit, the rf beamforming circuit to adjust phase shifts associated with the antenna elements to generate an antenna beam associated with the antenna module, a dynamic configuration unit to receive an indication of a usage for a one of the plurality of antenna modules, and a main beamforming unit coupled to the dynamic configuration unit and each of the antenna modules, the main beamforming unit to generate signal adjustments relative to the one of the plurality of antenna modules to control the antenna beam associated with the one of the plurality of antenna modules based at least in part on the usage..

Fine and coarse parameter beam forming


Methods, systems and apparatuses for selecting parameters of a beam are disclosed. One method includes selecting, by a network controller of a wireless network, coarse beam parameters of each of a plurality of antenna arrays of a first node or a second node of the wireless network based on one or more static parameters of the first node and the second node, selecting, by at least one of the first node or the second node of the wireless network, fine beam parameters of each of the plurality of antenna arrays of the first node or the second node based on perturbations to dynamic parameters of at least one wireless link between the first node and the second node, and forming at least one beam by at least one of the first node or the second node using the coarse beam parameters and the fine beam parameters..
Facebook, Inc.


System and massive mimo communication


A system and method of adjusting an equivalent channel for a downlink in a multiple-antenna communication system is disclosed herein. The system includes at least one user device and a base station having a plurality of analog rf chains, each analog rf chain having a plurality of antennas.

Micro-route selection beam forming


Methods, systems and apparatuses for selecting beamforming parameters based on selected micro-routes are disclosed. One method includes characterizing at least one wireless link between a first node and a second node of a wireless network, including identifying a plurality of micro-routes between the first node and the second node, selecting a micro-route from the plurality of micro-routes for each of a plurality of antenna arrays of at least one of the first node or the second node, yielding a plurality of selected micro-routes, selecting beam forming parameters for each of the plurality of antenna arrays based on the plurality of selected micro-routes, and communicating at least one stream between the first node and the second node through the plurality of selected micro-routes of the plurality of antenna arrays..
Facebook, Inc.


Methods for reducing near-field radiation and specific absorption rate (sar) values in communications devices


A method is provided introducing a phase offset between signals applied to antenna ports of an antenna having multiple antenna elements, such that a first signal applied to one of the antenna ports operatively coupled to one of the antenna elements has a different phase than a second signal applied to another one of antenna ports operatively coupled to another one of the antenna elements to obtain an antenna pattern control. A reduced power is used that is lower than the power used in a non-pattern control operation of the antenna such that a wireless link performance criteria is met with equipment at a far-field point using the reduced power compared to the non-pattern control operation, thereby reducing near field radiation..
Skycross, Inc.


Antenna system


An adapter (10) comprises a single adapter output (45) connectable to at least one antenna line device (100a-c), at least two base station inputs (30a-c), the at least two base station inputs (30a-c) being individually connectable to a base station (110a-c) or a primary control device (460c) and at least one microcontroller (40a-c), the microcontroller (40a-c) being connected between one of the base station inputs (30a-c) and the single adapter output (45). An antenna system (5) comprising such an adapter (10) and a plurality of antenna line devices (100a-c) connected to the single adapter output (45) of the adapter is also disclosed.
Kathrein-werke Kg


Mimo antenna and mimo antenna arrangement structure


A mimo antenna includes a plurality of antenna elements respectively including a plurality of conductive elements that are connected to different feeding points from each other; and one or more base members each being directly or indirectly provided at an upper edge portion of a windshield of a vehicle, the conductive elements being provided at either of the base members, wherein d/w, where “w” is a width of an open portion of a window frame at which the windshield is provided and “d” is a minimum distance between the conductive elements of the antenna elements in a direction parallel to the direction of “w”, is less than or equal to 0.35.. .
Asahi Glass Company, Limited


Methods and evaluating radiated performance of mimo wireless devices in three dimensions


According to some embodiments, a system is provided for simulating a cluster of reflections. The system includes an array of antenna elements distributed in space over a solid angle having an angular spread.
Ets-lindgren, Lp


Array antenna implementing predetermined beam width using predetermined number of antenna elements


The present invention relates to an array antenna apparatus, comprising: a first antenna element arranged in the center of the outermost concentric circle having a radius determined according to the beam width of a beam to transmit; and antenna element sets arranged on the circumference of each of concentric circles arranged to have a predetermined interval within the outermost concentric circle, wherein each of the antenna element sets comprises an odd number of second antenna elements, and only one antenna element exists on a straight line corresponding to the radius.. .
Korea Advanced Institute Of Science And Technology


Shark pin antenna


A shark pin antenna is proposed, the shark pin antenna including a base, a circuit board mounted on the base, a 3g/4g antenna mounted at a first end of the circuit board and configured to receive a signal of 3g/4g band signal, an am/fm antenna mounted at a second end of the circuit board and configured to receive am/fm band signal, v2x antennas mounted at a lateral surface of the am/fm antenna, each being spaced apart at a predetermined distance and configured to realize a v2x (vehicle to everything) communication, and a plurality of antennas positioned between the 3g/4g antenna and the am/fm antenna to receive a band signal higher than the am/fm band signal, but lower than the 3g/4g band signal.. .
Lg Innotek Co., Ltd.


A device and a antenna alignment


The present invention relates to a node in a wireless communication network. The node comprises an antenna arrangement which in turn comprises an array antenna.
Telefonaktiebolaget Lm Ericsson (publ)


Reconfigurable antenna with cluster of radiating pixelates


Similar to cell based electronics systems that employ a sea of small unit cells in large scale arrays, such as thin film display monitors or semiconductor memories, an antenna array employs micron to centimeter size antenna pixelate cells that are integrated to form the plate of an antenna. Each row and column of cells in the antenna array may be accessed by digital logic and the rf transmission/reception state of the switchable cell changed.

Electronic device with near-field antenna operating through display


An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer.
Apple Inc.


Extracorporeal terminal, capsule endoscope system, capsule-endoscope control method and program


An extracorporeal terminal includes a wireless communication unit including a plurality of antenna elements, and configured to transmit and receive a signal. With a capsule endoscope, a first memory configured to store a position database showing relationships between coordinates and the frame rate, a position estimation unit configured to estimate a position of the capsule endoscope using a signal level of the signal received by the wireless communication unit, and a frame rate-setting unit configured to set the frame rate corresponding to the coordinates when a distance between a position shown by the coordinates included in the position database retained in the first memory and at position of the capsule endoscope estimated by the position estimation unit is less than a distance threshold that is preset.
Olympus Corporation




F Antenna topics:
  • Rf Antenna
  • Hydrocarbon
  • Base Station
  • Access Point
  • Wireless Communication Device
  • Basic Service Set
  • Spatial Multiplexing
  • Communication System
  • Multiplexing
  • Downlink Control Channel
  • Physical Downlink Control Channel
  • Allocation
  • Distributed
  • Modulation
  • Demodulation


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