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F Antenna patents



      

This page is updated frequently with new F Antenna-related patent applications.




Date/App# patent app List of recent F Antenna-related patents
02/04/16
20160037580 
 Method and  processing data flows patent thumbnailMethod and processing data flows
An apparatus for facilitating the re-distribution of processing load between a plurality of radio equipment controllers arranged in a daisy chain configuration on a common public radio interface. The apparatus may be included in each rec and has two framers which may co-operate to forward iq data of antenna carriers received on a downlink from a preceding rec to a subsequent rec in the chain and a dma module or channel which can read iq data from a system memory for onward transmission.

02/04/16
20160037539 
 Antenna method and apparatus patent thumbnailAntenna method and apparatus
An information handling system includes a triangular chassis and a plurality of antennas that provide optimized coverage in all directions around the triangular chassis. An antenna may be operated from each vertex of the triangular shaped base chassis.
Dell Products, Lp


02/04/16
20160037497 
 Enhanced base station and  communicating through an enhanced distributed antenna system (edas) patent thumbnailEnhanced base station and communicating through an enhanced distributed antenna system (edas)
Embodiments of an enhanced base station and method for communicating through an enhanced distributed antenna system (edas) are generally described herein. The edas includes geographically-separated antenna nodes and each of the antenna nodes has a plurality of antenna elements.
Intel Corporation


02/04/16
20160037289 
 Mobile phone and  near field communication patent thumbnailMobile phone and near field communication
Disclosed herein is a mobile phone with the near field communication (nfc) technology and method of operating the mobile phone. The mobile phone includes a display; a baseband chip; a near field communication (nfc) module comprising an rf antenna, an nfc tag circuit and an nfc main chip; and the rf antenna configured to receive incoming rf signals in 13.56 mhz..
Aq Corporation


02/04/16
20160036510 
 Control  radio communication system, radio communication system, and radio communication apparatus patent thumbnailControl radio communication system, radio communication system, and radio communication apparatus
When communication is to be performed between communication devices having a directivity control function, a plurality of antenna-setting pairs available for the communication are stored by an initial training, and the communication is started by using one of the plurality of antenna-setting pairs. When the communication quality is deteriorated, firstly, a training signal is transmitted while successively setting each one of the plurality of antenna-setting candidates determined in the initial training in a transmitting antenna of one of the communication devices (400), and the training signal is received in a state where a quasi-omni pattern is generated in a receiving antenna of the other communication device (500).
Nec Corporation


02/04/16
20160036129 
 Planar inverted-f antenna patent thumbnailPlanar inverted-f antenna
A planar inverted-f antenna includes an antenna body including a grounding portion, a first and a second radiating arm extending in a lengthwise direction substantially, a coaxial cable and a metal foil attached the grounding portion. The first radiating arm and the second radiating arm extend in opposite directions from a joint point thereof, the joint point and the grounding portion connect with each other by a connecting portion.
Foxconn Interconnect Technology Limited


02/04/16
20160036125 
 Self-steering antenna arrays patent thumbnailSelf-steering antenna arrays
Methods and apparatus, including computer program products are provided for self-steering antennas. In one aspect, there is a method.
The Regents Of The University Of California


02/04/16
20160036118 
 Hybrid radio frequency / inductive loop charger patent thumbnailHybrid radio frequency / inductive loop charger
Biometric monitoring devices, including various technologies that may be implemented in such devices, are discussed herein. Additionally, techniques, systems, and apparatuses are discussed herein for providing a hybrid antenna including an rf radiator and an electrically coupled inductive loop.
Fitbit, Inc.


02/04/16
20160035164 
 Wearable portable electronic device patent thumbnailWearable portable electronic device
A wearable portable electronic device includes a main body, a strap connected to the main body, and a transponder. The transponder includes a control module mounted on the main body, an ultrahigh frequency (uhf) transmitter electrically connected to the control module, an uhf antenna coupled to the uhf transmitter, a lower frequency (lf) receiver electrically connected to the control module, and a first lf antenna coupled to the lf receiver.
Hon Hai Precision Industry Co., Ltd.


02/04/16
20160034729 
 Rfid integrated antenna system patent thumbnailRfid integrated antenna system
An rfid system includes at least one host controller and at least one antenna module coupled to the host controller. The antenna module may include a plurality of antenna elements, at least one multiplexer (mux) module integrated in the antenna module, and an rfid reader integrated in the antenna module.
Promega Corporation


02/04/16
20160033670 

Switching an operating mode of an nmr logging tool


In some aspects of what is described here, a downhole nuclear magnetic resonance (nmr) logging tool can obtain nmr data from a subterranean region. The nmr logging tool includes a magnet assembly operable to produce a static magnetic field in the subterranean region.
Halliburton Energy Services, Inc.


01/28/16
20160029351 

Base station, terminal, communication system, communication method, and integrated circuit


There is provided a base station that communicates with a terminal by using a resource element constituted by a sub-carrier and an ofdm symbol. The base station includes an epdcch generator, a reference signal generator, and a transmitter.
Sharp Kabushiki Kaisha


01/28/16
20160028863 

Mobile wireless communications device with improved broadband antenna impedance matching


A mobile electronic device is provided. In one aspect, the mobile electronic device comprises a chassis including a ground plane; a processor carried by the chassis; a frequency tunable antenna carried by the chassis and fed by an inductor; a communications interface carried by the chassis and operative with the processor for receiving and transmitting rf signals via the frequency tunable antenna; audio circuitry carried by the chassis and operative with the communications interface and processor; an audio transducer having a coil in proximity to the frequency tunable antenna for at least one of receiving and transmitting audio signals from and to the audio circuitry; and at least one rf choke configured for blocking rf energy from the frequency tunable antenna through the audio transducer to the ground plane and decoupling the antenna from the audio transducer to minimize any detuning of antenna impedance match and degradation in antenna gain.
Blackberry Limited


01/28/16
20160028521 

Base station, terminal, communication system, communication method, and integrated circuit


There is provided a base station that communicates with a terminal by using a resource element constituted by a sub-carrier and an ofdm symbol. The base station includes a pdsch generator, a reference signal generator, and a transmitter.
Sharp Kabushiki Kaisha


01/28/16
20160028461 

Reference signal measurement use in wireless communication system including plural base stations with distributed antennas


An apparatus and a method of measuring a reference signal for efficient downlink transmission in a mobile communication system are provided. The system includes plural base stations, each having a plurality of antennas distributed in the service area thereof based on a distributed antenna system (das).
Samsung Electronics Co., Ltd.


01/28/16
20160028458 

Transmission method, transmitter apparatus, reception method and receiver apparatus


Transmission quality is improved in an environment in which direct waves dominate in a transmission method for transmitting a plurality of modulated signals from a plurality of antennas at the same time. All data symbols used in data transmission of a modulated signal are precoded by hopping between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol in the frequency domain and the time domain all differ.
Panasonic Intellectual Property Corporation Of America


01/28/16
20160028447 

Distributed antenna system over ethernet


According to an example, a distributed antenna system includes a central processing apparatus and a plurality of antenna apparatuses connected to the central processing apparatus via ethernet cables through an ethernet switch. The plurality of antenna apparatuses are spatially distributed with respect to each other and the central processing apparatus is to communicate ethernet packets to the plurality of antenna apparatuses.
Hewlett-packard Development Company, L.p.


01/28/16
20160028141 

Connection structure between antenna apparatus and radio communication apparatus


Antenna 2 and radio communication apparatus 1 include mount portions 9 and 15, flat proximity opposing surfaces 13 and 20, and waveguide portions 12 and 19 penetrating through proximity opposing surfaces 13 and 20, respectively. For example, in proximity opposing surface 13 of radio communication apparatus 1, choke groove 14 is formed outside waveguide portion 12.
Nec Corporation


01/28/16
20160027949 

Black body infrared antenna array


A solar antenna array may comprise an emitter that may convert visible light into black body infrared radiation, and an array of antennas that may capture and convert the black body radiation into electrical power. Methods for constructing the solar antenna array may include using thermal insulation, high-gain low-e glass, and gasses with minimal heat transfer.
Novasolix, Inc.


01/21/16
20160021597 

Optimizing packet/frame forwarding or routing in a wireless backhaul transport system


Systems and methods are described for providing wireless backhaul transport. One element of the system is a highly integrated radio transceiver, including an integrated antenna.
Google Inc.


01/21/16
20160020882 

Base station, terminal, communication system, communication method, and integrated circuit


There is provided a base station including a downlink channel generator, a reference signal generator, and a transmitter. The downlink channel generator generates a downlink channel for a terminal.
Sharp Kabushiki Kaisha


01/21/16
20160020844 

Systems and methods for wireless backhaul transport


Systems and methods are described for providing wireless backhaul transport. One element of the system is a highly integrated radio transceiver, including an integrated antenna.
Google Inc.


01/21/16
20160020838 

Active mimo antenna configuration for maximizing throughput in mobile devices


An active antenna system and algorithm is proposed that provides for dynamic tuning and optimization of antenna system parameters for a mimo system that will provide for greater throughput. As one or multiple antennas are loaded or de-tuned due to environmental changes, corrections to correlation and/or isolation are made by tuning the active antenna.
Ethertronics, Inc.


01/21/16
20160020814 

Method for simplified closed-loop antenna tuning


A method of closed-loop antenna tuning (clat) search strategy based on maximum relative transducer gain (rtg) is proposed. A search region that account for tx input mismatch and forward voltage gain is pre-computed.
Mediatek Singapore Pte. Ltd.


01/21/16
20160020648 

Integrated miniature pifa with artificial magnetic conductor metamaterials


Integrated antenna structures described herein may include planar inverted-f antennas (pifas) integrated with artificial magnetic conductor (amc) metamaterials. The integrated metamaterial operatively coupled with the pifa may function as an artificial magnetic reflector, sending all the energy radiated upwards, and thereby changing the original omnidirectional radiation pattern of the pifa to a directional radiation pattern.
Energous Corporation


01/21/16
20160020647 

Integrated antenna structure arrays for wireless power transmission


A plurality of integrated antenna structures described herein may be formed in a flat panel antenna arrays which may be arranged in equally spaced grid and may be used in transmitters for sending focused rf waves towards a receiver for wireless power charging or powering. Each of the integrated antenna structures may include planar inverted-f antennas (pifas) integrated with artificial magnetic conductor (amc) metamaterials.
Energous Corporation


01/21/16
20160020514 

Methods and devices for reducing passive intermodulation in rf antennas


Systems and related methods for reducing passive intermodulation (pim) include a combination of an antenna control unit (acu) and a remote electrical tilt (ret) system. The acu may be used to generate rotational motion of an output drive shaft in response to an input tilt control signal.
Alcatel-lucent Shanghai Bell Co., Ltd.


01/14/16
20160013913 

Apparatus, system, and signaling a quantity of antenna ports in a wireless communication system


A quantity of antenna ports of a transmitting apparatus is signalled in a wireless communication system. The quantity of antenna ports of the transmitting apparatus is encoded into a first type information and a second type information.
Huawei Technologies Co., Ltd.


01/14/16
20160013890 

Method and multi-antenna transmission in uplink


Method and apparatus for uplink transmission using multiple antennas are disclosed. A wireless transmit/receive unit (wtru) performs space time transmit diversity (sttd) encoding on an input stream of a physical channel configured for sttd.
Interdigital Patent Holdings, Inc.


01/14/16
20160013838 

Principal eigen beam quantization for mimo systems


A closed loop mimo feedback system is described in which the number of available antenna ports is less than the number of antenna elements. In one implementation, sounding reference signals, received from a number of ues, may be used, by a base station, to generate and transmit a number of ofdma channel state information reference signals (csi-rss).
Intel Ip Corporation


01/14/16
20160013819 

Generation of correlated finite alphabet waveforms using gaussian random variables


Various examples of methods and systems are provided for generation of correlated finite alphabet waveforms using gaussian random variables in, e.g., radar and communication applications. In one example, a method includes mapping an input signal comprising gaussian random variables (rvs) onto finite-alphabet non-constant-envelope (fance) symbols using a predetermined mapping function, and transmitting fance waveforms through a uniform linear array of antenna elements to obtain a corresponding beampattern.
King Abdullah University Of Science And Technology


01/14/16
20160013560 

Robust antenna configurations for wireless connectivity of smart home devices


Various methods related to antennas and embodiments of antennas are presented. The antenna may include an upper arm, wherein the upper arm is substantially parallel to a ground plane and is electrically coupled with at least a ground shorting structure, a support structure, and a feed structure.
Google Inc.


01/14/16
20160013540 

Glazing


The invention is a new type of antenna connection which allows two or more antennas to be connected to an external circuit via a small surface contact. Surface contact size is reduced due to the use of coupling electrodes, at least portions of which are laid adjacent to and parallel with each other such that alternating current coupling occurs between them..
Pilkington Group Limited


01/14/16
20160011008 

Directive array for drive-by meter reading


Antenna assemblies, which may be used in meter reading systems, are provided. One example of antenna assembly comprises a first antenna vertically configured to be mounted on a top surface of a vehicle and a second antenna vertically configured to be mounted on the top surface of the vehicle.
Mueller International, Llc


01/14/16
20160010384 

Intelligent safety deposit, safety control system and control method thereof


An intelligent safety deposit including a case, a card slot, and an antenna, the card slot is inside the case to receive a folder with a tag thereon, and the tag comprising a rfid antenna and a chip, the reader antenna is set correspondingly to the folder, information recorded in the chip with the tag is read and identified separately via transmitting data between the reader antenna and the rfid antenna. The reader antenna includes a rf connector, rf ground planes, a plurality of antenna traces with unequal widths and a plurality of load impedance, the rf connector is connected with the plurality of antenna traces via buried holes, the plurality of antenna traces with unequal widths are respectively connected with the plurality of load impedance by running through the buried holes, the antenna traces with unequal widths are connected without overlapping, and values of each load impedance are equal..

01/07/16
20160006549 

Method for receiving down link signal and apparatus therefor


A method for receiving downlink signal and an apparatus therefor are disclosed. A method for enabling a user equipment (ue) to receive a downlink signal from an enb including a plurality of antenna ports in a wireless communication system includes: receiving a precoded reference signal according to a precoded reference signal configuration for the plurality of antenna ports; measuring receive (rx) power of the reference signal for each of the plurality of antenna ports; and reporting, to the enb, at least one of rx power values of the reference signal, measured for the plurality of antenna ports.
Lg Electronics Inc.


01/07/16
20160006516 

Phased-array radio frequency receiver


A method of rf signal processing comprises receiving an incoming rf signal at each of a plurality of antenna elements that are arranged in a first pattern. The received rf signals from each of the plurality of antenna elements are modulated onto an optical carrier to generate a plurality of modulated signals that each have at least one sideband.
Phase Sensitive Innovations, Inc.


01/07/16
20160006491 

Transmission device, transmission method, receiving device and receiving method


Provided is control information related to polarizations of antennas for miso communication. The control signal generator generates polarization information indicating whether antennas used for transmission by miso have only a first polarization or have a second polarization as well as the first polarization.
Panasonic Intellectual Property Corporation Of America


01/07/16
20160006490 

Mimo radio system with antenna signal combiner


Systems and methods for a mimo radio with antenna signal combiners are presented. In one embodiment, a (mimo) radio system for use in a multi-path environment is described.
Airgain, Incorporated


01/07/16
20160006133 

System and attaching solder balls and posts in antenna areas


Aspects of the present disclosure provide an apparatus for wireless communications. The apparatus generally includes a printed circuit board (pcb) and a plurality of antenna elements.
Qualcomm Incorporated


01/07/16
20160006115 

Manufacturing wireless devices


A manufacturing method for a wireless device may involve placing a plurality of antennas on a plastic layer, wherein each of the antennas comprises one or more conductive loops positioned within an inner diameter and an outer diameter; placing a plurality of sensor chips on the plastic layer such that each sensor chip is interconnected to a respective antenna on the plastic layer and is positioned within the inner diameter and outer diameter of the respective antenna, wherein each sensor chip has a respective sensor facing away from the plastic layer and has respective electrical contacts interconnected with the respective antenna; and providing an encapsulation layer over the plurality of antennas and the plurality of sensor chips on the plastic layer.. .
Google Inc.


01/07/16
20160006107 

Glazing


A compact arrangement of antennas in a glazing is disclosed, which allows a plurality of antenna wires to be connected to an external circuit by a single contact. Parallel conductors, in direct current isolation from each other so that alternating current coupling occurs between them, are embedded at different depths in the thickness of a ply of plastic material.
Pilkington Group Limited


01/07/16
20160005233 

Method, system, and optimising the augmentation of radio emissions


In accordance with one example embodiment of the present invention, a plurality of antennas that are arranged according to a predetermined geometrical pattern receive radio emission signals from nearby radio emitting objects. Said radio emission signals are used, at least in part, to exhibit augmented reality indicia on a display, wherein the position of said augmented reality indicia on said display approximately indicates the direction of arrival of said radio emission signals and is organized or corrected according to predetermined criteria.

01/07/16
20160004894 

Reader for rfid tag for near-field wireless communication and near-field wireless communication system


In a reader for a radio frequency identification (rfid) tag for near-field wireless communication, an antenna selection switch includes a plurality of antennae arranged with an extent within a predetermined range for transmitting and receiving data to and from an rfid tag, and selects one antenna to be used for transmission and reception of data from among the plurality of antennae. A detection part acquires, when a carrier wave transmitted from the rfid tag is received by any of the plurality of antennae, information indicative of an antenna selected by the antenna selection switch under the control of an antenna changeover controlling part..
Sony Computer Entertainment Inc.


01/07/16
20160003933 

Location of a distress beacon


There is disclosed a computer implemented method for processing the signal emitted by a distress beacon, the signal being received by several satellites and forwarded to at least one ground station, the method comprising the steps consisting in determining a set of hypothetical positions of the beacon, and for at least one of the hypothetical positions, for each satellite, offsetting the signal received and forwarded as a function of the hypothetical position; summing the offset signals; and evaluating the validity of the sum of the offset signals as a function of the presence of a predefined characteristic in the sum. Developments describe aspects such as the temporal and/or frequency offsetting, the construction of a digital replica of the signal transmitted by the beacon, and as the minimizing of the weighted residues of the offsets.
Centre National D'etudes Spatiales


01/07/16
20160001742 

Electronic key device


An electronic key device includes a portable device capable of being carried by a user, and a vehicle-mounted device configured to perform mutual communication with the portable device to perform predetermined control. The vehicle-mounted device includes a plurality of antennas that is provided in different positions of a vehicle and is configured to transmit radio waves every predetermined time.
Alps Electric Co., Ltd.


12/31/15
20150382307 

Detecting proximity using antenna feedback


An electronic device provides a detuning monitor circuit configured to detect a change in a voltage standing wave ratio (vswr) between a radio frequency (rf) transmitter and an rf antenna relative to a predetermined vswr baseline and a proximity detector circuit configured to adjust transmission power of a carrier wave transmitted from the rf transmitter, if the change fails to satisfy an acceptable vswr condition. Network proximity detectors are also provided to allow coordination of antenna subsystems to comply with specific absorption rate (sar) constraints and/or maintain/improve antenna performance..
Microsoft Corporation


12/31/15
20150381398 

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


12/31/15
20150381327 

Wireless communication with suppression of inter-cell interference in large-scale antenna systems


In exemplary lsas (large-scale antenna system) networks, uplink signals are processed to compensate for pilot contamination. Slow-fading coefficients are generated for terminals in the wireless network, and postcoding matrices are generated based on the slow-fading coefficients and terminal transmit power levels.
Alcatel-lucent Usa Inc.


12/31/15
20150381265 

Systems and methods for polarization control


The described technology uses a dual circularly polarized panel antenna and equal amplitude variable phase control between the two circularly polarized components to achieve a rotatable linear polarization tracking system. An example antenna system includes a plurality of antenna elements that include a plurality of polarization transducers to generate a first signal component and a second signal component from a received wave.
Viasat, Inc.


12/31/15
20150381229 

Antenna feed integrated on multi-layer pcb


A transmitter includes apparatus for integrating the antenna feed into a multilayer pcb. The apparatus includes an antenna element disposed over the multilayer pcb having slot openings that substantially overlap and that enable an rf signal to be coupled from a printed transmission line located on one of the multilayer pcb conductive layers.
Samsung Electronics Co., Ltd.


12/31/15
20150379839 

Rfid-based pre-sales/after-sales information collection and analysis system and implementation method


The present invention particularly relates to an rfid-based pre-sales/after-sales information collection and analysis system and an implementation method applied to the field of information identification technologies in the retail industry. The system includes an rfid tag, antennas, an rf module, and a cloud server, wherein the antennas transfer information with the rfid tag, and an electromagnetic signal is sent and received through the antennas so as to receive and send the information of the rfid tag, and transmit the information of the rfid tag to the cloud server through the rf module in time for storage and analysis.
C2analytics Company Limited


12/31/15
20150379387 

Low-profile real-time location system tag


Embodiments of the present invention provide methods for an electrical-mechanical interface associated with a miniature rtls tag, wherein a mechanical shock absorption comprises a protective antenna enclosure and a potting material to secure the electronics to printed circuit boards. A polyester cup seal prevents the potting material from interacting electrically with an rf antenna.
Zih Corp.


12/31/15
20150379216 

Method for tracking sanitary materials and goods with rfid identification system; containment area and/or structure actuating said method


Method for tracking sanitary materials and goods with a rfid identification system; the materials and goods provided with at least one label containing a microchip containing data of the material or good and an antenna; the materials and goods placeable in a storage area provided with a plurality of transceiving radio frequency identification antennae and associated connectivity devices; the plurality of antennae and connectivity devices placed so as to receive and exchange information via rfid technology inside the set area, so as to automatically record and detect the loading and/or collecting of the labeled materials and goods and exchange information relative to the identified objects; the method includes: a) carrying out the exchange of tag-antenna information in a range of radiofrequencies comprised between 850 and 960 mhz (uhf); and b) restricting the range of radiofrequencies (uhf) through the shielding of the area arranged for storage of the materials and goods.. .
Ingegneria Biomedica Santa Lucia S.p.a.


12/24/15
20150373681 

Cell id and antenna port configurations for epdcch


A method of wireless communication is provided which includes receiving, at a first user equipment (ue), a first reference signal on a first set of resource elements of a first enhanced physical downlink control channel (epdcch). The first reference signal is mapped to a same set of antenna ports that are mapped to a second reference signal transmitted on a second set of resource elements of a second epdcch to at least a second ue.
Qualcomm Incorporated


12/24/15
20150373668 

Method for receiving or transmitting broadcast signal in wireless communication system and apparatus therefor


A method for receiving a broadcast signal through a new carrier type (nct) in a wireless communication system according to one embodiment of the present invention is executed by a terminal and comprises the steps of: blind-decoding a physical broadcast channel (pbch) received from a base station; and acquiring a number of antenna ports and system information of the base station from the pbch, wherein the blind decoding is executed within a candidate range for the blind decoding of the pbch corresponding to a partial area of a downlink subframe, and the candidate range is an area in which a symbol section is excluded in a downlink subframe to which a physical downlink control channel (pddch) of a neighboring base station is mapped, and can be indicated by the base station in advance.. .
Lg Electronics Inc.


12/24/15
20150373558 

Method and leveraging wireless communication using an aerial vehicle


An approach is provided for providing wireless communication in a remote area by using an aerial vehicle. Signal strength information received at a plurality of antennas mounted over the aerial vehicles is monitored.
Verizon Patent And Licensing Inc.


12/24/15
20150372797 

Base station and terminal


A base station including: a memory, and a processor coupled to the memory and configured to: transmit a radio signal using a plurality of antennas in a first period for transmission of the base station in a time division duplex (tdd) mode, at least a part of the first period overlapping with at least a part of a second period for reception of another base station in the tdd mode, receive a specific information from the another base station, the first information indicating a channel characteristic from the base station to the another base station, the channel characteristic being estimated in accordance with the transmitted radio signal, and determine at least one correction coefficient to compensate for a difference of specific characteristics among the plurality of antennas based on the received specific information.. .
Fujitsu Limited


12/24/15
20150372793 

Method and providing antenna configuration information for massive multiple input multiple output in a wireless communication system


A method for transmitting a reference signal for supporting a plurality of antennas to a user equipment (ue) at a base station (bs) in a wireless communication system is disclosed. The method includes grouping the plurality of antennas into antenna groups comprising a predetermined number of antenna ports, transmitting resource information about a reference signal for at least one antenna group of the antenna groups, and transmitting the reference signal for the at least one antenna group to the ue based on the resource information..
Lg Electronics Inc.


12/24/15
20150372739 

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.
Broadcom Corporation


12/24/15
20150372733 

Method for efficiently transmitting signal in multi-antenna wireless communication system and same


The present invention relates to a method for a transmitting end efficiently transmitting a signal in a wireless communication system supporting a multi-antenna and an apparatus for same. More particularly, the method comprises a step of transmitting a downlink signal based on a precoding matrix (w) for an antenna comprising a plurality of antenna elements aligned perpendicularly, wherein the precoding matrix (w) corresponds to a codebook configured so that phase increase is limited with respect to a plurality of precoding vector values populating a same column..
Lg Electronics Inc.


12/24/15
20150372396 

Antenna arrangement for multiple frequency band operation


The present disclosure relates to an antenna arrangement (12) connectable to a transceiver (10) for simultaneously transmitting and receiving radio frequency, rf, signals. The antenna arrangement (12) comprises two or more sets of antenna elements (14, 16, 22).
Telefonaktiebolaget L M Ericsson (publ)


12/24/15
20150372392 

Overlapping multi-board integrated antenna device


An overlapping multi-board integrated antenna device includes a load plate with grounding portion and at least two-circuit board antenna units set in the grounding portion. Each circuit board antenna unit includes a circuit board kit, at least one antenna set on the surface of the circuit board kit and a feed line electrically connected with the antenna.
Wha Yu Industrial Co., Ltd.


12/24/15
20150372387 

Antenna arrangement of a wireless node


A wireless node (10) comprises an rf modem (12), an rf switch array (14) connected to the rf modem, the rf switch array comprising a layer of circuit board sandwiched between layers of conductive material, and a plurality of antennas (16) arranged in a horizontal plane and connected to the circuit board of the rf switch array via waveguides present in the layers of conductive material. A method of operating the wireless node comprises generating radio signals at the rf modem (12), communicating the generated radio signals to the rf switch array (14), selecting an antenna (16) for transmitting the generated radio signals and transmitting the generated radio signals from the selected antenna..
Cambridge Communication Systems Limited


12/24/15
20150372375 

Antenna mounting assembly for a vehicle with a sloped body panel


Embodiments are provided of antenna mounting assemblies and vehicles that include such assemblies. In one aspect, an antenna mounting base for supporting a vehicle antenna with respect to a vehicle body panel that defines a panel aperture comprises: an antenna mounting portion; a flange extending from a surface of the antenna mounting base; and at least one tab defining a recess with the flange, the recess being sized and configured to mateably engage at least a portion of the body panel that borders the panel aperture..
Nissan North America, Inc.


12/24/15
20150371771 

Wireless power transfer systems and methods


Systems and methods for transmitting and receiving wireless power are disclosed. A transmitter may include one or more magnetic inductive coil(s) configured to transmit power, a plurality of drive loops, one or more switches connected to the plurality of drive loops, and a controller configured to connect or disconnect the drive loops using the one or more switches.
Board Of Trustees Of The University Of Alabama


12/24/15
20150371065 

Radio-frequency identification reader device


A radio-frequency identification reader device including a plurality of antennas, a switch module, a coaxial cable, and a reader is provided. The switch module is electrically connected to the antennas.
Wistron Neweb Corp.


12/24/15
20150369912 

Radar device, vehicle, and moving object speed detection method


A radar device mounted in a moving object includes a radar transmitter and a radar receiver. The radar receiver includes a plurality of antenna brunch processors that perform correlation processing of the received returning signals and the radar transmission signal, and generate respective correlation signals each including arrival delay information of each of the received returning signals, an electric power profile generator that generates an electric power profiles for each arrival direction of the received returning signals and doppler frequency component, using the generated correlation signals, and a stationary object group distribution generator that, based on the generated electric power profiles, obtains a first distribution of a doppler frequency components of a stationary object group including a plurality of stationary objects as the plurality of targets in the perimeter of the moving object, for each azimuth angle..
Panasonic Corporation


12/24/15
20150369905 

Systems and methods for near field target simulation


A simulation device and a system and method for using the simulation device are disclosed. The simulation device may contain a plurality of antenna elements positionable on or near a radar or other sensing device.
Technology Service Corporation


12/24/15
20150369851 

Flexible shielded antenna array for radiated wireless test


Systems and methods are disclosed herein to provide shielding and radio frequency (rf) antenna coupling for communication test systems for the testing of wireless data communication devices and systems, including multiple input multiple output (mimo) devices and systems. In accordance with one or more embodiments, a shielding and coupling system containing an array of rf antennas is disclosed that includes a flexible jacket integrated with rf shielding material that simultaneously isolates a device under test (dut) and couples signals from the antennas of the dut.
Ixia


12/17/15
20150365955 

Wireless network device and wireless network control method


A wireless network device includes an antenna array and a lobe interleaver. The antenna array includes a plurality of antenna elements with different squint angles.
Accton Technology Corporation


12/17/15
20150365832 

Wireless device


A wireless device capable of enabling improvement in reliability of communication, enlargement of cell regions, improvement in per and improvement in system performance is provided. The wireless device according to an embodiment is a wireless device which transmits information for a counterpart wireless device, and includes a signal processing unit which generates a symbol sequence; a transmission vector calculating unit which converts the symbol sequence into a plurality of transmission symbol sequences, and controls phases of the transmission symbol sequences to be a same phase or an opposite phase based on a channel estimation to the counterpart wireless device; and a plurality of antennas each of which transmits the plurality of transmission symbol sequences..
National Institute Of Information And Communications Technology


12/17/15
20150365196 

Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes


Block-encoded transmissions of a multi-antenna terminal unit are effectively detected in the presence of co-channel interfering transmissions when the base station has a plurality of antennas, and interference cancellation is combined with maximum likelihood decoding. More specifically, the signals received at the base station antennas are combined in a linear combination that relates to the channel coefficients between the various transmitting terminal units and the base antennas.
At&t Intellectual Property Ii, L.p.


12/17/15
20150365157 

Antenna selection in coordinated multipoint communications


An apparatus and method for antenna selection in uplink coordinated multipoint communications, where a plural number of geographically separated antennas are present, forming a plural number of cells. This apparatus and method relates to selecting a prach configuration, sharing information regarding the selected prach preamble amongst cells; an user equipment, upon receiving instruction from its serving cell, transmits a prach preamble.
Nokia Solutions And Networks Oy


12/17/15
20150365146 

Mobile station and reception method


Provided is a radio communication device which can separate propagation paths of antenna ports and improve a channel estimation accuracy even when using virtual antennas. The device includes: a mapping unit which maps a data signal after modulation to a virtual antenna and a virtual antenna; a phase inversion unit which inverts the phase of s0 transmitted from an antenna port in synchronization with a phase inversion unit between the odd-number slot and the even-number slot; the phase inversion unit which inverts the phase of r0 transmitted from the antenna port; a phase inversion unit which inverts the phase of s1 transmitted from an antenna port in synchronization with a phase inversion unit; and the phase inversion unit which inverts the phase of r1 transmitted from an antenna port..
Panasonic Intellectual Property Corporation Of America


12/17/15
20150364832 

An antenna arrangement and a base station


An antenna arrangement for mobile communication, the antenna arrangement comprising an antenna feeding network (202), the antenna feeding network comprising a plurality of air-filled coaxial lines (204) and at least one antenna feeding path, each antenna feeding path comprising at least one of the air-filled coaxial lines, each air-filled coaxial line having an inner conductor (206) and an outer conductor (208), wherein the antenna arrangement comprises an electrically conductive reflector (210) having a front side (212) and a backside (214), wherein the front side is arranged to receive a plurality of antenna element arrangements (802, 803) arranged to be placed on the front side, each antenna element arrangement comprising at least one electrically conductive antenna element connectable to at least one of the air-filled coaxial lines, wherein a first group (216) of the plurality of air-filled coaxial lines is located at the backside of the reflector between a first plane (218), in which the front side or backside lies, and a second plane (220) parallel to the first plane, and wherein a second group (222) of the plurality of air-filled coaxial lines is located outside of the region (224) between the first and the second plane.. .
Cellmax Technologies Ab


12/17/15
20150364831 

Array antenna


In this array antenna, if (a) a pair of antennas (130) are used and transmission signals having the same phase are fed in parallel via two secondary cables (33) branching off of a main cable (32), letting z represent the impedance of the main cable (32), the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to 2z; if (b) a set of three antennas (130) is used, the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to 3z; and if (c) a set of n antennas (130) is used, the impedance of each secondary cable (33) and the input impedance of each antenna (130) is set to n×z. In each case, the impedances match over a wide frequency band..
Nihon Dengyo Kosaku Co., Ltd.


12/17/15
20150364826 

Inverted-f antenna and vehicle-mounted composite antenna device


An inverted-f antenna includes a ground member, a first antenna member including a short-circuit portion rising perpendicularly from the ground member while being electrically coupled with the ground member, a flat plate portion extending from a top end of the short-circuit portion while being electrically coupled with the short-circuit portion, and a protrusion portion protruding from a part of an end of the flat plate portion; and a second antenna member including a conductor pattern that includes a power supply portion at one end portion thereof, has a width increasing toward an opposite end, and is electrically coupled with the flat plate portion. The second antenna member is located between the ground member and the flat plate portion with a predetermined distance from an end of the flat plate portion opposite to the protrusion portion..
Harada Industry Co., Ltd.


12/17/15
20150364820 

Multiband antenna apparatus and methods


The present disclosure includes multiband antenna apparatus and methods. In one embodiment, an antenna includes a loop antenna having a first corner between a first side and a second side and a second corner between the second side and a third side, a loop fed inverted f antenna comprising the loop antenna and a first arm extending from the second corner of the loop antenna, the first arm configured in parallel with the first and second sides of the loop antenna and forming a corner proximate to the first corner of the loop antenna, and a monopole antenna coupled to the first side of the loop antenna..
Qualcomm Incorporated


12/17/15
20150363013 

Antenna for computer stylus


A computer stylus may have an elongated body with a metal tube that serves as an antenna ground for an antenna. An antenna resonating element for the antenna may be formed from metal traces that wrap around a longitudinal axis for the elongated body.
Apple Inc.


12/17/15
20150362568 

Tem resonator-type rf antenna device for a magnetic resonance imaging system


A tem rf antenna device (40) for a magnetic resonance mr imaging system (10), •the rf antenna device (40) comprising a plurality of rungs (44), and each rung (44) having at least one axial member (46) that in an operational state is substantially arranged parallel to the axial direction (38) wherein •the axial members (46) of the plurality of rungs (44) are arranged along an azimuthal direction (34) in a substantially equally spaced relationship about a center axis (42), and wherein •the at least one axial member (46) of each of the rungs (44) has two end regions (48, 50) and wherein •for at least two rungs (44′, 44″) of the plurality of rungs (44) that are adjacently arranged with regard to the azimuthal direction (34), each rung (44′, 44″) comprising at least one transversal member (52, 54) that is galvanically connected to one of the end regions (48, 50) of the axial member (46) of that rung (44′, 44″) only, in the operational state, the at least one transversal members (52, 54) of the adjacent rungs (44′, 44″) are substantially arranged such that there exists at least one location on each of the transversal members (52, 54) of the two rungs (44′, 44″) that at least have substantially identical azimuthal coordinates, thereby reducing the rf field outside of the antenna device.. .
Koninklijke Phillips N.v.


12/10/15
20150358132 

Reference signal coupling in a wireless network


According to some embodiments, a method of coupling reference signals of a wireless network comprises establishing a wireless connection with a wireless device. The wireless connection comprises a first reference signal and a second reference signal and both the first and second reference signals are associated with one or more antenna ports.
Telefonaktiebolaget L M Ericsson (publ)


12/10/15
20150358092 

Mimo communication method, terminal, and base station apparatus


A mimo communication method of performing mimo communication between a base station having a plurality of antennas and each of a plurality of terminals covered by the base station using uplink data slots and downlink data slots that are alternately placed on a time axis. The method includes, in the base station, despreading a received signal that is transmitted from each of the plurality of terminals demodulating the transmission data transmitted from a respective terminal on the basis of the value of the estimated channel; decoding a received signal included in the uplink data slots, estimating a current channel between each of all antennas of the base station and the respective terminal; and comparing the stored value of the estimated channel with a value of the estimated current channel and updating the stored value of the estimated channel to the value of the estimated current channel..
Sony Corporation


12/10/15
20150358058 

Wirelessly transmitting multi-cast signal using rateless codes


Data is transmitted over a wireless network by encoding data using a rateless code. A multi-cast signal is wirelessly transmitted to communicate the encoded data for any one or more receivers.
Hewelett-packard Development Company, L.p.


12/10/15
20150358056 

Mimo communication method, and base station apparatus and terminal


A mimo communication method for performing mimo communication between a base station including a plurality of antennas, and a plurality of terminals accommodated in the base station. The method includes, in the base station, dividing the plurality of terminals into a first and a second group, and assigning orthogonal codes with each other to the respective groups, spreading transmission data to the plurality of terminals with the assigned codes, multiplying data obtained by the spreading by a predetermined pre-coding matrix, obtaining a channel matrix representing channels between the plurality of antennas and the plurality of terminals, multiplying data obtained by the multiplying by the pre-coding matrix by a complex conjugate matrix of the channel matrix, and transmitting data obtained by the multiplying by the complex conjugate matrix from the plurality of antennas..
Sony Corporation


12/10/15
20150358055 

Transceivers and methods for use in transmitting information in a massive mimo system


A method and apparatus is disclosed herein for transmitting information in massive mimo system. In one embodiment, the apparatus comprises a plurality of antenna elements; a baseband processor; a plurality of radio-frequency (rf) chains coupled to the baseband processor; a plurality of switches coupled to the plurality of rf chains, wherein positions of switches in the plurality of switches being determined by instantaneous channel state information; a radio-frequency (rf) preprocessor coupled between the plurality of switches and the plurality of antenna elements, the rf preprocessor to apply a preprocessing matrix to signals, elements of the preprocessing matrix being adjusted as a function of average channel state information, and wherein the positions of the switches and elements of the preprocessing matrix are jointly chosen, and wherein the preprocessing matrix is chosen based on a metric related to expected performance obtained from at least one channel realization..

12/10/15
20150357717 

Flexible planar inverted f antenna


A flexible inverted “f” antenna (pifa) is shown. The flexible pifa is not only applicable to flat surfaces, but it can be applied to curved surfaces, both convex and concave, without degrading performance.
L.s. Research, Llc


12/10/15
20150357703 

Multiband antennas formed from bezel bands with gaps


Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures.
Apple Inc.


12/10/15
20150356396 

Rfid tag antenna, rfid tag and processing method thereof


A rfid tag antenna, a rfid tag and a processing method thereof, wherein the rfid tag antenna arranged on the substrate has two parts extending along two different directions. Hence, external forces from far ends of the lateral sides of the substrate or other destructive forces exerting on the welding structure at the welded end of the antenna could be mitigated or attenuated, therefore improving the stress stability and anti-interference performance of the welding structure between the welded end of the antenna and the substrate, and further enhancing the robustness of the rfid tag in the whole life cycle.

12/03/15
20150349933 

Power offset signaling techniques for network-assisted interference cancellation and suppression (naics) receivers


Power offset signaling techniques for network-assisted interference cancellation and suppression (naics) receivers are described. In one embodiment, for example, user equipment (ue) may comprise at least one radio frequency (rf) transceiver, at least one rf antenna, and logic, at least a portion of which is in hardware, the logic to receive a radio resource control (rrc) connection control message comprising a radioresourceconfigdedicated field and perform a radio resource configuration procedure in response to receipt of the rrc connection control message, the rrc connection control message to comprise network-assisted interference cancellation and suppression (naics) assistance information that identifies a power offset value for one or more transmissions to the ue over a physical downlink shared channel (pdsch) of a serving cell of the ue.
Intel Corporation


12/03/15
20150349868 

Wireless communication system, wireless communication device, and wireless communication method


A wireless communication system includes a transmitting device and a receiving device each including a plurality of antennas. A plurality of streams are subjected to spatial multiplexing and are transmitted in a downlink in which packets are transmitted from the transmitting device to the receiving device.
Sony Corporation


12/03/15
20150349863 

Method and leveraging spatial/location/user interaction sensors to aid in transmit and receive-side beamforing in a directional wireless network


A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus is embodied in a device that determines a first set of antenna weights for communicating a first communication ray, detects a change in a physical orientation of the device, determines a mapping between the first set of antenna weights, the detected change in the physical orientation, and a second set of antenna weights for communicating a second communication ray, communicates the second communication ray based on the second set of antenna weights..
Qualcomm Incorporated


12/03/15
20150349856 

Method of controlling a signal transmission in a cellular mimo system, base station, and cellular mimo system


A cellular multiple-input and multiple-output (mimo) system has a base station. The base station has a plurality of antennas.
Sony Corporation


12/03/15
20150349811 

Scalable mapping with integrated summing of samples for multiple streams in a radio interface frame


An apparatus includes a first circuit, a second circuit, and a third circuit. The first circuit may be configured to buffer a plurality of antenna carrier sample streams.
Lsi Corporation


12/03/15
20150349434 

Array antenna for satellite communications and antenna


An array antenna for satellite communications includes a first sub-array and a second sub-array, each including a plurality of antenna elements arrayed in a matrix with a regular pitch, the first sub-array and the second sub-array being shifted relative to each other in a satellite orbital direction.. .
Mitsubishi Electric 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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