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This page is updated frequently with new F Antenna-related patent applications. Subscribe to the F Antenna RSS feed to automatically get the update: related F RSS feeds. RSS updates for this page: F Antenna RSS RSS


Methods and arrangements for channel estimation

Telefonaktiebolaget L M Ericsson (publ)

Methods and arrangements for channel estimation

Methods and arrangements for channel estimation

System and method for spatial multiplexing-based multiple antenna broadcast/multicast transmission

Date/App# patent app List of recent F Antenna-related patents
04/23/15
20150111614
 Flexible multi-sector multiple antenna system patent thumbnailnew patent Flexible multi-sector multiple antenna system
A radio access network having multiple sectors comprises two or more sector transmitters serving respective sectors for transmitting data to mobile stations; a plurality of antennas, each antenna assigned to a respective sector transmitter; and a antenna management processor controlling sector antenna assignments and operative to dynamically reassign a sector antenna associated with a sector transmitter in a first sector to a sector transmitter in a second sector.. .
Telefonaktiebolaget Lm Ericsson (publ)
04/23/15
20150111568
 Methods and arrangements for channel estimation patent thumbnailnew patent Methods and arrangements for channel estimation
Some embodiments provide a method for channel estimation in a wireless device. According to the method, the wireless device obtains (1010) an indication that a set of antenna ports, or antenna port types, share at least one channel property.
Telefonaktiebolaget L M Ericsson (publ)
04/23/15
20150110164
 Ofdm pre-equalizing patent thumbnailnew patent Ofdm pre-equalizing
For example in case of an ofdm multicarrier transmission system the transmission characteristics of subcarriers of a multicarrier transmission system using a plurality of antenna elements (3, 3′) can be adjusted. Particularly the power and the phase of the subcarriers can be adapted.
Sony Deutschland Gmbh
04/23/15
20150109990
 System and  spatial multiplexing-based multiple antenna broadcast/multicast transmission patent thumbnailnew patent System and spatial multiplexing-based multiple antenna broadcast/multicast transmission
Methods and devices are provided for implementing two types of sub-channel arrangements. A first type of sub-channel arrangement involves defining a first traffic portion and a second traffic portion of a transmission resource, transmitting broadcast traffic on at least one first antenna of a plurality of antennas in the first traffic portion using a first sub-channelization, transmitting multicast traffic on at least one second antenna of the plurality of antennas, the at least one second antenna being distinct from the at least one first antenna, in the first traffic portion using a second sub-channelization, and transmitting unicast traffic on at least one antenna of the plurality of antennas in the second traffic portion using a third sub-channelization.
04/23/15
20150109108
 Rfid system with time slot interleaving patent thumbnailnew patent Rfid system with time slot interleaving
A method for interleaving time slots in a multi-antenna system for communication with rfid tags is disclosed. An example is shown for an eight antenna system.
Amtech Systems, Llc
04/16/15
20150103941
 Transmission method, transmitter apparatus, reception method and receiver apparatus patent thumbnailTransmission 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
04/16/15
20150103801
 Method and  transmitting signal for downlink channel estimation patent thumbnailMethod and transmitting signal for downlink channel estimation
A method and apparatus for transmitting a signal for channel estimation through a plurality of antennas are provided. A plurality of resources that are adjacent to each other in a time axis and a frequency axis are selected from among a set of resources that include a symbol in the time axis and a subcarrier in the frequency axis.
Kongju National University Industry Academia Cooperation Group
04/16/15
20150103737
 Method of receiving a signal in a wireless communication network and associated network elements patent thumbnailMethod of receiving a signal in a wireless communication network and associated network elements
In one embodiment, the method includes determining, at a network element, a first filter component based on reference sequences for user equipments in a first set. The method further includes determining a second filter component.
Alcatel-lucent Usa Inc.
04/16/15
20150102965
 Electronic device with array of antennas in housing cavity patent thumbnailElectronic device with array of antennas in housing cavity
Metal housing walls may form an antenna cavity. Antenna structures may be formed from metal traces mounted on a carrier in the antenna cavity.
Apple Inc.
04/16/15
20150102959
 Jammer suppression for broadcast satellite system services patent thumbnailJammer suppression for broadcast satellite system services
A system for interference suppression onboard a satellite includes a beamforming module that processes radio-frequency (rf) signals originated from a plurality of antenna elements of an array antenna to generate multiple analog signals. At least one of the analog signals is an anti-interference signal.
Lockheed Martin Corporation
04/16/15
20150102953

Systems and methods for remote l-band smart antenna distance measuring equipment diversity


Various avionics systems may benefit from the proper handling of diversity with respect to antennas. For example, systems and methods for remote l-band smart antenna distance measuring equipment may benefit from being prepared to provide diversity against interference, such as a multipath interference.
Aviation Communication & Surveillance Systems Llc
04/16/15
20150102912

Systems and methods for joint beamforming and preamble detection


Systems and methods for reading rfid tags using joint beamforming and preamble detection in accordance with embodiments of the invention are disclosed. One embodiment includes an antenna array comprising a plurality of antenna elements, a joint beamformer and preamble detector configured to receive inputs from each of the antenna elements, and a decoder configured to receive a resampled signal from the joint beamformer and preamble detector and to decode data using the resampled signal.
Mojix, Inc.
04/16/15
20150102908

Arrangement for and optimally adjusting the scan rate of scan beams generated bya radio frequency identification (rfid) tag reader having an array of antennas


Retail items movable from an inventory location at a retail venue through a portal to a retail exit are automatically tracked. The items are individually associated with radio frequency identification (rfid) tags.
Motorola Solutions, Inc.
04/16/15
20150102435

Mems microphone with membrane antennas


A mems microphone. The microphone includes a backplate, a membrane, and a plurality of antennas.
Robert Bosch Gmbh
04/16/15
20150102222

Photomixer for generating and detecting terahertz continuous wave and manufacturing the same


Disclosed is a photomixer for generating and detecting a terahertz continuous wave, including: an optical conductor to which beating light is incident; and a plurality of antenna feeding electrodes formed on both side surfaces of the optical conductor, and configured to receive a current of a terahertz frequency.. .
Electronics And Telecommunications Research Institute
04/16/15
20150101745

Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls


Disclosed herein are systems methods for using ink comprising organometallics in a flexographic printing process using engraved anilox rolls to transfer ink to an impression roll that prints a pattern on a substrate. A banded anilox roll with more than one geometry and/or volume of cells may be used in these production systems and methods.
Unipixel Displays, Inc.
04/09/15
20150098435

Method and system for mapping pilot signals in multi-stream transmissions


A base station is provided. The base station comprises a downlink transmit path comprising circuitry configured to transmit a plurality of reference signals in two or more subframes.
Samsung Electronics Co., Ltd.
04/09/15
20150098426

Method for transmitting and receiving downlink control information


A method for efficiently transmitting and receiving downlink control information is disclosed. The method includes, at a base station, receiving feedback information including a precoding matrix index (pmi) from a user equipment (ue) and transmitting precoding information having a predetermined bit number according to the number of antenna ports and a transmission mode of the base station.
Lg Electronics Inc.
04/09/15
20150098402

Wireless reception device, wireless transmission device, wireless communication system, program, and integrated circuit


A wireless reception device of the invention is a wireless reception device that includes a terminal antenna unit 401 having a plurality of antennas and that receives wireless signals having undergone nonlinear precoding and spatial multiplexing from a wireless transmission device and includes a channel estimation unit 403 that is configured to estimate a channel state to and from the wireless transmission device and to output channel state information, based on first reference signals, and to estimate the channel state to and from the wireless transmission device and to output specific equivalent channel state information, based on second reference signals having undergone the nonlinear precoding, and a spatial demultiplexing processing unit 415 that is configured to demodulate desired signals from the received wireless signals, based on the specific equivalent channel state information.. .
Sharp Kabushiki Kaisha
04/09/15
20150097751

Planar array antenna structure


A planar array antenna structure includes a substrate, an array antenna, and a bottom ground portion. The substrate has a front surface and a rear surface.
Tecom Co., Ltd.
04/09/15
20150097736

Antenna alignment device and clamp


An antenna alignment device includes an enclosure. The enclosure has a top portion having a single radome and a bottom portion.
04/09/15
20150097717

Method and electronic angle estimation verification


A method for angle estimation verification, adapted for verifying an estimated angle calculated by an electronic apparatus having an angle estimator and at least three antennas, is provided. The estimated angle is extracted from the angle estimator.
National Chiao Tung University
04/02/15
20150092877

High throughput interference cancelling radio transceiver and antenna therefor


A system for wireless transmission of signals is provided. A first radio unit is configured to communicate desired communication signals with a second radio unit.
Terabit Radios, Inc.
04/02/15
20150092876

Method and amplifying multiple input multiple output (mimo) in wireless communication system


A method and apparatus for amplifying a mimo signal in a wireless communication system are disclosed. A signal amplifier for amplifying a mimo signal in a wireless communication system includes: a recognition module for recognizing network information and antenna information of a source device; and an adaptive link construction module for forming a link between a plurality of antenna with respect to the source device and a plurality of antenna with respect to the destination device on the basis of the recognized information..
Lg Electronics Inc.
04/02/15
20150092573

Multiflow with antenna selection


Optimizing multiflow performance and priority across ues and networks including receive antenna selection at the ues, csi measurement and reporting, and scheduling for multiflow operation. The techniques may evaluate channel conditions for a ue for multiple access points and different combinations of antennas and determine how the ue should feedback csi for transmissions from the multiple access points.
Qualcomm Incorporated
04/02/15
20150091777

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.
Andrew Llc
04/02/15
20150091772

Antenna assemblies including antenna elements with dielectric for forming closed bow tie shapes


According to various aspects, exemplary embodiments are provided of bow tie antennas and antenna assemblies that include the same. In an exemplary embodiment, a bow tie antenna includes a pair of antenna elements.
Antennas Direct, Inc.
04/02/15
20150091586

Capacitive proximity sensor configuration including an antenna ground plane


Embodiments of a capacitive sensor configuration for proximity detection by a playback device are provided. The playback device may include a capacitive proximity sensor configured to detect physical movement in a first direction, and a radio frequency (rf) antenna ground plane oriented at a relative angle to the capacitive proximity sensor.
Sonos, Inc.
04/02/15
20150090044

Flexible device and bending detection apparatus therefor


A bending detection apparatus for a flexible device includes a plurality of antennas disposed to be bent together with a flexible device; and a bending detection unit for detecting bending of the flexible device based on inductances of the plurality of antennas or information corresponding to the inductances, a bending detection method for a flexible device, and a flexible device.. .
Lg Display Co., Ltd.
03/26/15
20150085944

Methods of antenna system control in massive mimo systems


A multiple input multiple output (mimo) antenna system is implemented for communications in a wireless device. Information regarding the environment surrounding the wireless device may be used to determine which of the mimo antennas are selected such that communications performance is improved.
Broadcom Corporation
03/26/15
20150085742

Method and configuring a transmission mode for a backhaul link transmission


A method and a base station are described for transmitting a signal. The base station transmits control information to a relay node through a relay-physical downlink control channel (r-pdcch), and transmits a data to the relay node through a relay-physical downlink shared channel (r-pdsch).
Lg Electronics Inc.
03/26/15
20150085724

High linearity rf diplexer


A first rf diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, a first rf filter, and a second rf filter, is disclosed. The first hybrid rf coupler has a first main port, a first in-phase port, a first quadrature-phase port, and a first isolation port, which is coupled to a primary rf antenna.
Rf Micro Devices, Inc.
03/26/15
20150085708

Carrier aggregation using multiple antennas


Rf front-end circuitry, which includes rf switching and duplexing circuitry, a first rf diplexer, and a second rf diplexer, is disclosed. The rf switching and duplexing circuitry operates in one of a group of rf transmit modes, such that the group of rf transmit modes includes at least one transmit uplink carrier aggregation mode.
Rf Micro Devices, Inc.
03/26/15
20150084814

Phased array antenna


An antenna element having a vertically stacked structure and a phased array antenna that includes a plurality of antenna elements sharing a common conductive ground plane are described. The phased array antenna also includes a common conductive shell electrically coupled to the common conductive ground plane and extending away there from to encompass the antenna elements.
Israel Aerospace Industries Ltd.
03/26/15
20150083387

Rf antenna assembly with spacer and sheath and related methods


An rf antenna assembly is positioned within a wellbore in a subterranean formation for hydrocarbon resource recovery. The rf antenna assembly includes first and second tubular conductors to be positioned within the wellbore, and having adjacent joined together ends, and first and second rf transmission line segments extending within the first and second tubular conductors and having adjacent joined together ends aligned with the joined together adjacent ends of the first and second tubular conductors.
Harris Corporation
03/19/15
20150080591

Enhanced flash chamber


An enhanced flash chamber with a flash chamber; a microwave source in communication with the flash chamber for providing a quantity of energy to a plurality of antennas within the flash chamber; a fluid chamber positionable within the flash chamber capable of holding a liquid and the plurality of antennas; and transport tubing for transporting a target material for extraction through the fluid chamber where the quantity of energy from the microwave source interacts with the plurality of antennas to heat the liquid held in the fluid chamber to a superheated state and the superheated state of the liquid transfers a portion of the quantity of energy to the target material to extract an extraction product from the target material.. .
03/19/15
20150078488

Wireless communication controlling multi-antenna module and related method thereof


A wireless communication apparatus for coupling to a multi-antenna module comprising a plurality of antennas, the wireless communication apparatus includes: a switching circuit, arranged for selectively changing the connected relations of the plurality of antennas according to a switching signal, so as to make the multi-antenna module generating a plurality of antenna combinations; and a receiving module, coupled to the switching circuit, including: a signal intensity measurement circuit, arranged for measuring signal intensity of a wireless packet received through the plurality of antenna combinations, so as to generate a plurality of measurement results; and an antenna switching determination circuit, during a training state, arranged for choosing a first comparison group comprising at least two antenna combinations from the plurality of antenna combinations for receiving the wireless packet, and determining a better antenna combination according to measurement results of the first comparing group.. .
Realtek Semiconductor Corp.
03/19/15
20150078485

Method and automatically tuning an impedance matrix, and radio transmitter using this apparatus


The invention relates to a method and an apparatus for automatically tuning an impedance matrix, for instance the impedance matrix seen by the power amplifiers of a radio transmitter using a plurality of antennas simultaneously, and to a radio transmitter using this apparatus. An apparatus for automatically tuning an impedance matrix has 4 user ports and 4 target ports, and comprises: 4 sensing units; a signal processing unit, the signal processing unit estimating real quantities depending on the impedance matrix presented by the user ports, using the sensing unit output signals obtained for 4 different excitations applied successively to the user ports; a multiple-input-port and multiple-output-port tuning unit comprising adjustable impedance devices; and a tuning control unit delivering tuning control signals to the multiple-input-port and multiple-output-port tuning unit, the reactance of each of the adjustable impedance devices being mainly determined by one or more of the tuning control signals..
Tekcem
03/19/15
20150078428

Techniques for determining covariance measures based on correlation criteria


A method includes providing a plurality of sets of equalizer taps, wherein each set is coupled to a respective one of a plurality of antenna ports; assigning a first plurality of equalizer taps of the sets of equalizer taps to a first subset; determining a first covariance measure associated with the first plurality of equalizer taps of the first subset based on a first correlation criterion; assigning a second plurality of equalizer taps of the sets of equalizer taps to a second subset; and determining a second covariance measure associated with the second plurality of equalizer taps of the second subset based on a second correlation criterion.. .
Intel Ip Corporation
03/19/15
20150077292

Deposited three-dimensional antenna apparatus and methods


A “thin” and cost-effective three-dimensional antenna assembly and methods of use and manufacturing thereof. In one exemplary embodiment, the solution of the present disclosure is particularly adapted for small form-factor portable radio devices, and comprises an antenna (or array of antennas) deposited on a thin preformed flexible or deformable structure using a conductive fluid.
Pulse Finland Oy
03/19/15
20150077286

Elevation monopulse antenna synthesis for azimuth connected phase array antennas and method


Embodiments of the present invention are directed to monopulse radar antenna synthesis and methods thereof. An antenna array includes a number of sub-arrays operatively arranged in a first direction (e.g., azimuth), and each of the sub-arrays includes a number of antenna elements grouped as a first group and a second group adjacent to each other in a second direction substantially perpendicular to the first direction.
Raytheon Company
03/19/15
20150076927

Wireless power supply for rescue devices


The present disclosure may provide an electric transmitter which may he used to provide wireless power transmission (wpt) while using suitable wpt techniques such as pocket-forming. Transmitter may operate as power source for rescue devices where wired power sources are not feasible because local infrastructure may be damaged or destroyed.
Dvinewave Inc.
03/19/15
20150076917

Wireless power supply for logistic services


The present disclosure may provide an electric transmitter which may be used to provide wireless power transmission (wpt) while using suitable wpt techniques such as pocket-forming. Transmitter may operate as power source for electronic devices used in logistic devices such as, postal services, storage services, shipping services, pizza delivery and the like.
Dvinewave Inc.
03/12/15
20150072719

Mobile terminal, wireless communication system and wireless communication method


Provided is a mobile terminal, which transmits feedback signals when performing transmission power control with a base station. The mobile terminal is provided with: a plurality of antennas; a calculation unit, which obtains reception qualities based on known signals and signals received from at least one of the antennas; and a feedback information determining unit, which determines feedback information based on the reception qualities.
Kyocera Corporation
03/12/15
20150071270

Method and system for accessing an occupied wi-fi channel by a client using a nulling scheme


A method and system for overriding carrier-sense-multiple-access/collision-avoidance (csma/ca) without harming the traffic that occupies the channel are provided. The system and method may include for example detecting at a communication node having a plurality of antennas, a preamble transmitted by a co-channel neighboring node operating in compliance with ieee 802.11 standard within a clear channel assessment (cca) range of the communication node; and setting uplink transmit weights of the antennas of the communication node, to isolate the communication node from the neighboring node after the neighboring node has transmitted the preamble, to allow the communication node to access the co-channel, by keeping a transmitted signal level of the communication node as received by the neighboring node, below the cca signal level at one or more of the antennas of said neighboring node.
Magnolia Broadband Inc.
03/12/15
20150071253

Method, codebook and base station for precoding


A method, a codebook, and a base station (bs) for precoding are provided. The precoding method includes: obtaining a total uplink power of a user equipment (ue); if the total uplink power is greater than ¾ of a rated total transmit power of antennas, selecting a codeword from a first codebook with imbalanced power between layers; otherwise, selecting a codeword from the first codebook and a second codebook with balanced power between layers, so as for precoding data to be transmitted according to the selected codeword..
Huawei Technologies Co., Ltd.
03/12/15
20150070241

Random, sequential, or simultaneous multi-beam circular antenna array and beam forming networks with up to 360° coverage


An antenna array system provides simultaneous 360° coverage and includes butler matrix beam forming networks connected to an antenna array, which includes narrow and/or broadband elements, and multiple transmitters, receivers, or transceivers to allow for 360° transmission and/or reception. The antenna array system can provide multiple beams, such as without limitation 8 or 16 beams, which can vary in beam crossing and/or overlap to provide simultaneous 360° coverage.
03/12/15
20150070229

Antenna array structure with differing antennas


An antenna array structure includes a plurality of antennas, wherein a first antenna has a first geometric shape, provides a first radiation pattern, and has a first frequency bandwidth. A second antenna has a second geometric shape to provide a second radiation pattern and has a second frequency bandwidth.
Broadcom Corporation
03/12/15
20150070217

Microwave radio direction finding system


The microwave radio direction finding system includes two six-port (sp) circuits and 2×2 printed patch antennas, each of the sp circuits having a pair of the patch antennas connected to their inputs, one pair being separated horizontally in a cartesian plane, the other pair being separated vertically. The output ports are connected to differential amplifiers that produce in-phase and quadrature signals, which are digitized and input to a digital signal processor, which computes the difference in phase for the signals received at each pair of antennas.
King Fahd University Of Petroleum And Minerals
03/05/15
20150063486

Method and device for radio reception using a plurality of antennas and a multiple-input-port and multiple-output-port amplifier


The invention relates to a method for radio reception using a plurality of antennas and a multiple-input-port and multiple-output-port amplifier. The invention also relates to a receiver for radio communication using this method.
Tekcem
03/05/15
20150063289

Method for transmitting sounding reference signal in mimo wireless communication system and apparatus therefor


A method for transmitting a sounding reference signal in a mimo wireless communication system and an apparatus therefor are disclosed. The method for transmitting sounding reference signals (srss) in a mimo wireless communication system comprises receiving sounding reference signal parameters from a base station; receiving information of the number of sounding reference signals which will be transmitted at a transmission time instant from the base station; if a plurality of sounding reference signals are provided, generating the sounding reference signals corresponding to each of the plurality of antennas by using the sounding reference signal parameters; and transmitting the generated sounding reference signals to the base station through their corresponding antennas at a specific transmission instant..
Lg Electronics Inc.
03/05/15
20150063271

Receiving apparatus and receiving method


A receiver receives, using a plurality of antennas, a multiplexed signal that includes (i) a first ofdm modulation signal with a subcarrier carrying a symbol including multiplex information and a subcarrier carrying a pilot symbol and a subcarrier carrying a data symbol and (ii) a second ofdm modulation signal with a subcarrier carrying a symbol including multiplex information and a subcarrier carrying the pilot symbol and a subcarrier carrying the data symbol. A decoder uses the symbol including multiplex information and decodes the data symbol..
Wi-fi One, Llc
03/05/15
20150063268

Beamforming codeword exchange between base stations


A first base station receives from a second base station at least one message comprising beamforming information indicating at least one second beamforming codeword. The at least one second beamforming codeword has a number of rows or columns equal to or less than a number of antenna ports employed by the second base station for beamforming.
Ofinno Technologies, Llc
03/05/15
20150061955

Ultra-broadband antenna array with constant beamwidth throughout operating frequency band


An antenna array includes a plurality of antenna elements configured in a flare such that each of the plurality of antenna elements is uniformly spaced apart from at least one adjacent antenna element. Each of the plurality of antenna elements is coupled in a common area, and each of the plurality of antenna elements extends radially outward from the common area.
03/05/15
20150061930

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.
03/05/15
20150061682

Shielded antenna for a downhole logging tool


A downhole logging tool includes a tool body having a co-located set of antennas located on the tool body and first and second antennas formed from respective first and second pairs of coil windings having a closed-loop pattern. Both the first and second pair of coil windings are arranged on diametrically opposed antenna sections.
Schlumberger Technology Corporation
02/26/15
20150057041

Blind spectrum sensing based on maximum correlation coefficients and use thereof


A method includes performing blind spectrum sensing of a frequency band to determine whether a primary user is using the frequency band. The blind spectrum sensing is based at least in part on a comparison between a detection statistic based on a maximum correlation coefficient and a detection threshold based on theoretical computation of a distribution of the detection statistic.
Nokia Corporation
02/26/15
20150056932

Radio apparatus, and method and program for controlling spatial path


A pdma terminal (1000) establishes communication by forming a plurality of spatial paths to another single radio apparatus. A plurality of antennas constituting an array antenna are divided into a plurality of subarrays corresponding to the plurality of spatial paths respectively.
Hera Wireless S.a.
02/26/15
20150055735

Multi-user mimo receiver and receiving data units over a wideband channel


A multiple-input multiple output (mimo) receiver includes circuitry to receive a mimo transmission through a plurality of antennas over a channel comprising two or more 20 mhz portions of bandwidth. The mimo transmission comprises a plurality of streams, each transmitted over a corresponding spatial channel and configured for reception by multiple user stations.
02/26/15
20150055485

Method by which terminals in wireless communication systems receive downlink control channels and same


The present invention relates to a method by which terminals in a wireless communication system receive control channels. More particularly, the method includes the steps of: receiving control information that includes the transmission mode for the control channel and information about the number of antenna ports through a broadcast channel from a base station; and receiving the control channel on the basis of the control information..
Lg Electronics Inc.
02/26/15
20150054625

Method and apparatus to detect transponder tagged objects, for example during medical procedures


The presence or absence of objects (e.g., medical implements, medical supplies) tagged with transponders may be determined in an environment in which medical procedures (e.g., surgery) are performed via an interrogation and detection system which includes a controller and a plurality of antennas positioned along a patient support structure. The antennas may, for example, be positioned along an operating table, bed, a mattress or pad or a sheet and may be radiolucent.
Rf Surgical Systems, Inc.
02/26/15
20150054506

Magnetic resonance coil, device and system


The embodiments relate to a magnetic resonance coil for a magnetic resonance device with a measuring chamber for an examination object and a cylindrical birdcage antenna arrangement having a plurality of antenna elements disposed at least in some areas around a measuring chamber in the form of circumferential antenna rings or axial outer rods connecting the rings. The antenna elements include electric components, e.g., reactive capacitive and/or inductive systems.


Popular terms: [SEARCH]

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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