|| List of recent F Antenna-related patents
|Method for selecting an antenna set and wireless communication device utilizing the same|
Embodiments of a method for selecting an antenna set and a wireless communication device utilizing the same are described. The wireless communication device includes a set of external antenna ports, a set of internal antennas, a communication circuit and a controller.
|Directional diversity receive system|
Embodiments disclosed herein relate to a directional diversity receive system. The system may comprise a plurality of antennas attached to and fixed with respect to a frame.
|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..
Embodiments of the present invention provide a transmitter including a plurality of amplifier circuits, a plurality of antennas adapted to have different main transmit directions and a transformation unit. The transformation unit includes a plurality of inputs connected to the plurality of amplifier circuits and a plurality of outputs connected to the plurality of antennas.
|Mobile station apparatus, base station apparatus, and communication method|
The present invention enables efficient transmission/reception of a signal including control information between a base station apparatus and a mobile station apparatus. An epdcch is made up of an aggregation of one or more resources obtained by dividing one of prb pairs.
|A planar optical component and its design method|
This invention relates to a planar optical component and a design method thereof, the method including designing a structure with defined discrete phases; based on the structure with defined discrete phases as array elements, designing a 2d thin antenna array; constituting the planar optical component by a metal film having the 2d thin antenna array and a substrate. To achieve expected beam shaping effect, the method according to the embodiment of the present invention modulates structural parameters of antenna array elements to modulate the amplitude and phase of radiation field having vertical polarization states, which is excited by a beam having specific wavelengths and polarization states incident on the planar diffractive optical component.
|Multimode antenna structure|
One or more embodiments are directed to a multimode antenna structure for transmitting and receiving electromagnetic signals in a communications device. The communications device includes circuitry for processing signals communicated to and from the antenna structure.
|Telemetry extension cable|
The invention of the disclosure is an extension cable to connect via telemetry, an external medical device in a non-sterile zone with a medical device that is within a sterile zone. The telemetry extension cable includes a cable having a length and comprising a conductor, a first rf antenna attached at one end of the cable and a second rf antenna attached at a second end of the cable, at least one of the first or second antennas configured to transmit and receive rf signals to and from an implantable medical device..
|Antenna array with reduced mutual coupling between array elements|
An array of antenna feed elements includes a plurality of horns, each horn having an aperture and configured for transmission of electromagnetic energy therethrough. At least a first horn is configured with an electrically conductive external surface proximate to the aperture, the external surface contoured so as to reduce mutual coupling between the first horn and an adjacent horn.
|Multimode antenna structure|
A multimode antenna structure is provided for transmitting and receiving electromagnetic signals in a communication device. The communication device includes circuitry for processing signals communicated to and from the antenna structure.
|Hyperthermia system and a method for generating a focused threedimensional rf field|
The invention relates to a hyperthermia system for treating a patient, comprising an rf power unit, one or more rf antenna's connected to the rf power unit for generating a focused three-dimensional rf field, a controller for adjusting the rf power source and/or the one or more rf antenna's for steering the focused three-dimensional rf field; a sensor for sensing a parameter representative of the focused three-dimensional rf field; a communication environment for inputting data from the said sensor and/or additional information provided by the patient, said communication environment being capable of generating trigger signals to the controller for in use steering the focused three-dimensional rf filed in real time. The invention further relates to a method for generation a focused three-dimensional rf field..
|Method and device for determining user handedness and controlling a user interface|
A handheld portable device (10) receives information signals modulated over one or more radio frequency (rf) spectrums includes housing (150), a user interface (62) and a plurality of antennae (a1-a3) that are configured to respond to modulated rf information signals. Receivers (rx1-rx3) receive the modulated rf information signals from the plurality of antennae.
|Method and system for digital cancellation scheme with multi-beam|
A method and system may include a plurality of collocated access points (aps), each coupled to, and operating independently with, a respective set of antennas, wherein the antennas are directional and oriented to create beams that cover different directions, for dividing a coverage of the aps into a plurality of subsectors, wherein the antennas further comprise transmit antennas and receive antennas separated from each other, wherein the aps operate with a limited number of channels, wherein two or more of the subsectors share a common channel, wherein the aps are configured to initiate a transmission by employing collision sense multiple access/collision avoidance (csma/ca), wherein the antennas are configured to enable simultaneous operation of each of the subsectors without impairing operation of the others, and wherein a radio frequency (rf) energy reception between the transmit antennas and the receive antennas is configured to prevent independent subsector operation because of the csma/ca.. .
|Electronic device antenna with multiple feeds for covering three communications bands|
Electronic devices may be provided that include radio-frequency transceiver circuitry and antennas. An antenna may be formed from an antenna resonating element and an antenna ground.
|Chip packages including through-silicon via dice with vertically inegrated phased-array antennas and low-frequency and power delivery substrates|
An apparatus includes a die with through-silicon vias and radio frequency integrated circuit capabilities and it is vertically integrated with a phased-array antenna substrate. The through-silicon via and a radio frequency integrated circuit is coupled to a plurality of antenna elements disposed on the phased-array antenna substrate where each of the plurality of antenna elements is coupled to the through-silicon vias and radio frequency integrated circuit through a plurality of through-silicon vias.
|Magnetic resonance apparatus and method for rf excitation with two resonance frequencies to detect the cest effect|
In a magnetic resonance apparatus and method for rf excitation with two resonance frequencies to detect the cest effect, the rf excitation is achieved with the use of a first rf antenna and a second rf antenna of the magnetic resonance apparatus with a first portion of the rf excitation at a first resonance frequency of the two resonance frequencies being implemented with the first rf antenna, and a second portion of the rf excitation at a second resonance frequency of the two resonance frequencies is implemented with the second rf antenna.. .
|Skull-focused rf-based stimulation apparatus, system and method for treating patients with alzheimer's disease or other dementia|
The portable, wearable, proximal alzheimer's disease treatment invention is based upon creating an rf field of particular frequencies and intensities that are applied to the patient's head. To accomplish the aforementioned disease treatment functionality, a system was invented comprising a network of antennas connected to an rf generator via a feedline connector.
|Explicitly sounding beyond the beamformee sounding capability|
A first device explicitly sounds a wireless channel with respect to a second device even when the second device cannot sound all the antenna/transmit paths of the first device. The first device has a first plurality of antennas and corresponding transmitters and the second device has a second plurality antennas and corresponding receivers.
|Reflective ellipsoid chamber|
A test chamber for measuring total radiated power, total isotropic sensitivity, and antenna efficiency is disclosed. The chamber takes the shape of a hollow ellipsoid.
According to one embodiment, an electronic apparatus comprises a housing, a battery and a charging connector placed on a side of the housing. The charging connector is configured to receive electrical energy used for charging the battery.
|Angle of arrival location sensing with antenna array|
In one embodiment, an apparatus includes a plurality of antennas, a receiver in communication with said plurality of antennas for receiving one or more packets in a block based modulation environment, a switch interposed between a portion of the antennas and the receiver for switching between the antennas, and a processor for calculating angle of arrival for use in identifying a location of a mobile device transmitting the one or more packets.. .
|Systems and methods for multi-beam antenna architectures for adaptive nulling of interference signals|
Various embodiments described herein are directed to methods and systems for multibeam adaptive antenna architectures for recovering user signals in the coverage area of the antenna in the presence of interference sources. For example, various embodiments may utilize an architecture comprised of an array of antenna feeds, an rf to baseband conversion subsystem, a bank of digital beamformers, a channelization subsystem, a bank of weighted combiners, and a bank of demodulators for the demodulation and detection of user signals.
|Wireless power transfer system, transmission device, and controlling method of wireless power transfer system|
A wireless power transfer system includes a power receiving device that receives transmission by wireless power transfer, a transmission device that has a transmission element that transmits transmission power to the power receiving device, the transmission device having a control mechanism that controls an oriented direction of the transmission element, and a positioning device that is connected communicably with the transmission device, the positioning device receiving with a plurality of antennas arranged adjacent to each other a positioning signal that is a wireless signal transmitted from the power receiving device, the positioning device having a positioning function that calculates a direction α in which the power receiving device exists when seen from the positioning device itself and a position of the power receiving device, based on a phase difference between the received positioning signals.. .
|Wireless energy transfer antennas and energy charging systems|
A resonant wireless energy transfer system comprises first and second antennas made up of dual parallel wire helixes wherein the wires are terminated by short wires. Voltage controlled variable capacitors are connected into the antennas to permit progressive variation between folded dipole and normal dipole operating modes such that optimum energy transfer can be achieved between the antennas over a wide range of antenna separation distances.
|Method and device for radio reception using an antenna tuning apparatus and a plurality of antennas|
A receiver for radio communication comprises: four antennas; an antenna tuning apparatus for simultaneously tuning the four antennas, the antenna tuning apparatus comprising adjustable impedance devices, each of the adjustable impedance devices having a reactance at a frequency, the reactance of any one of the adjustable impedance devices being adjustable by electrical means; four single-input and single-output low-noise amplifiers; four analog processing and conversion circuits; a multiple-input signal processing device delivering a signal to a destination, the multiple-input signal processing device delivering a tuning instruction; a tuning control unit, the tuning control unit receiving the tuning instruction from the multiple-input signal processing device, the tuning control unit delivering tuning control signals to the antenna tuning apparatus as a function of the tuning instruction.. .
|Transmission device, reception device, transmission method, and reception method|
In a mimo system performing mimo transmission using a plurality of antennas, ber characteristics are improved. A transmission device includes a mapping unit that maps a transmission signal onto the iq plane to generate carrier-modulated carrier symbols, a frequency/transmit antenna interleaving unit (frequency/polarized wave interleaving unit) that interleaves the carrier symbols in the frequency domain and between transmit antennas to generate interleaved data for each transmit antenna, and an output processing unit that constructs an ofdm frame for the interleaved data for each transmit antenna and transmits an ofdm signal via the transmit antennas..
|Transmission/reception apparatus and method for supporting mimo technology in a forward link of a high rate packet data system|
Methods and apparatus are provided for transmitting and receiving data in a communication system with a plurality of antennas. A method includes informing information related to a transmission time interval for transmission based on a second type reference signal; and transmitting data based on the second type reference signal in the transmission time interval defined by the information related to the transmission time interval for transmission based on the second type reference signal.
|Method and device for transmitting reference signal in wireless communication system|
The present invention relates to a method and device for decoding a channel in a wireless communication system. User equipment receives, from a base station, a candidate group of antenna ports including a plurality of antenna ports, and receives a reference signal from the base station onto enhanced physical downlink control channel (e-pdcch) ports that correspond to all or some of the plurality of antennas in the candidate group of antenna ports.
|Antenna system with individually addressable elements in dense array|
A method and system for capturing, storing, and streaming over the air broadcasts based on user requests is disclosed. The system and method utilize subarrays of antenna elements for receiving over the air broadcasts.
|Multi-channel multi-sector smart antenna system|
Techniques of designing a smart antenna system are described. An antenna system includes at least two integrated antenna units arranged with a predefined angular angle therebetween to form a desired antenna pattern without any significant nulls.
|Antenna device and method of antenna configuration|
Elements for controlling (20) the first, second and third switching elements.. .
An antenna device includes an input/output portion for a high frequency signal to be input or output, a distributing portion for distributing the high frequency signal input to the input/output portion into a plurality of high frequency signals, a phase shifting portion for imparting the plurality of high frequency signals with a predetermined amount of phase shift, and a feeding portion for feeding a plurality of antenna elements with the plurality of high frequency signals imparted with the predetermined amount of phase shift to cause the plurality of antenna elements to radiate the plurality of high frequency signals. The feeding portion is configured as a triplate line with a center conductor placed between one pair of parallel plate shaped outer conductors..
|Planar inverted-f antenna|
A pifa includes a substrate having a first side, a second side, a third side, and a fourth side, a ground portion, a radiation body, a shortening portion, a shortening extension portion, and a ground extension portion. The first side is opposite to the third side, and the second side is opposite to the second side.
|Shielding layer for a device having a plurality of antennas|
A shielding layer is provided that reduces the coupling between magnetic field lines emanating from a plurality of antennas in an electronic device. In one embodiment, the shielding layer is a heterogeneous shielding layer that has different regions.
|Structurally integrated antenna aperture electronics attachment design and methodology|
A method of manufacture of antenna electronics attachment is disclosed. A nutplate is coupled to a mounting plate via a plurality of embedded fastening structures such that mechanical-electronic coupling means allow in-service change-out of an electronic component coupled to the nutplate..
|Multi-band planar inverted-f (pifa) antennas and systems with improved isolation|
Exemplary embodiments are provided of multi-band planar inverted-f antennas and antenna systems including the same. In an exemplary embodiment, a planar inverted-f antenna (pifa) generally includes a planar radiator or upper radiating patch element having a slot.
|Antenna structure and wireless communication device|
An antenna structure includes a feed end, a ground end, a number of antenna units, and a number of connection sections corresponding to the antenna units. The antenna units are positioned side by side.
|Antenna array for a magnetic resonance tomography system|
An antenna array for a magnetic resonance tomography system includes a first ring with a plurality of first capacitors, a second ring with a plurality of second capacitors, and a plurality of antenna rods each extending from a region between two adjacent first capacitors to a region between two adjacent second capacitors. The antenna array enables, as a body coil, a multi-channel reception for use of modern imaging methods with a low level of technical complexity.
|Self-cleaning radio frequency plasma source|
A self-cleaning radio frequency (rf) plasma source for a semiconductor manufacturing process is described. Various examples provide an rf plasma source comprising an rf antenna and a rotatable dielectric sleeve disposed around the rf antenna.
|Transmitter diversity technique for wireless communications|
A simple block coding arrangement is created with symbols transmitted over a plurality of transmit channels, in connection with coding that comprises only simple arithmetic operations, such as negation and conjugation. The diversity created by the transmitter utilizes space diversity and either time or frequency diversity.
|Method of transmitting frames, and corresponding stations and computer program|
A frame transmission method is provided for use in a multiuser mimo system having a transmitter with a plurality of antennas and receivers that are respectively associated with users. The method includes: constructing a sounding frame in which a first portion has at least one symbol for synchronizing destination receivers and a second portion has at least as many pre-coded pilot symbols as there are destination receivers; transmitting the sounding frame in a broadcast mode for its first portion and in a directional mode for its second portion to each of the destination receivers; and constructing a respective data frame for sending to each of the destination receivers by taking account of feedback information coming from the destination receivers and, for each destination receiver, coding interference between destination receivers..
|Display apparatus and channel searching method thereof|
A display apparatus and a method of searching for a channel in the display apparatus includes a plurality of tuners and a plurality of antenna ports respectively connected to the plurality of tuners. The method includes receiving a channel search command; if the channel search command is input, searching for one of the plurality of antenna ports that is connected to a satellite antenna to receive a broadcasting signal, if one of the plurality of antenna ports is connected to the satellite antenna to receive the broadcasting signal, setting one of the plurality of tuners connected to the one antenna port, to a main tuner, and performing a channel search through the tuner set to the main tuner.
|Method of antenna impedance mismatch compensation based on time-to-digital converter phase estimation|
A method for an antenna mismatch compensation may include determining an amplitude ratio by measuring a ratio of amplitudes of a reflected signal and an incident signal of an antenna tuning circuit coupled to an antenna. A time difference between the reflected signal and the incident signal may be measured.
|Multiple beam formation for rf chip-based antenna array|
A method for selectively performing beam formation using a rf chip-based antenna array is described. The method includes determining whether to use a plurality of antenna arrays in one or more common carrier substrates in either a single group or a plurality of groups.
|Gps antenna diversity and noise mitigation|
A system and method for improving acquisition sensitivity and tracking performance of a gps receiver using multiple antennas is provided. In an embodiment, the acquisition sensitivity can be improved by determining the correlation weight of each received path signal path associated with one antenna form a plurality of antennas and then combining the path signals based on their respective correlation weight.
|Method of selecting receive antennas for mimo systems|
A method of performing receive antenna selection is presented. The method executes a determination operation for a set of receive antennas, determines a maximum result of the determination operation for two of the antennas, eliminates one of the two antennas from the set of antennas, and repeats the determination and elimination process until only a predetermined number of antennas remain in the set.
|Transmission signal generation method, transmission signal generation apparatus, reception signal generation method, and reception signal generation apparatus|
Of any one of a transmission method x of transmitting modulated signal a and modulated signal b including the same data from a plurality of antennas and a transmission method y of transmitting modulated signal a and modulated signal b having different data from the plurality of antennas, a base station apparatus does not change the transmission method during data transmission and changes only the modulation scheme. The base station apparatus transmits modulated signal a and modulated signal b to a communication terminal apparatus using the determined transmission method and modulation scheme.
|Enhanced antenna management by a base station|
Enhanced antenna management for nodes is described in which transmit antennas assigned to at least one first carrier are designated for usage in a second carrier. The nodes transmit various signals and reference signals using a set of antenna ports on the second carrier based on the combined physical antennas associated with the first inactive carriers and physical antennas associated with the second carrier..
|Antenna systems and methods for massive mimo communication|
Antenna systems and methods for massive multi-input-multi-output (mimo) (m-mimo) communication are provided. Antennas systems include a m-mimo transmitter architecture with a hybrid matrix structure.
|Dynamic eirp constraint for a cellular communication system using a large number of base station antennas|
The present disclosure is directed to a system and method for determining an eirp constraint for a data stream based on the direction that a beam carrying the data stream is to be radiated by an array of antennas rather than using a fixed eirp constraint for all such beams. The system and method can use the direction the beam is to be radiated to determine a distance between the array of antennas and the closest point (or location) in which a human being can potentially be impacted by the radiated beam.
|Antenna system with return path tuning and loop element|
Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may include a dual arm inverted-f antenna resonating element and an antenna ground.
|Method and apparatus for adaptive antenna sharing|
A method and apparatus are disclosed for sharing antennas between modems for two or more different radio access technologies when two or more antennas may be present in a system. A method for coordination between the modem and the corresponding network element as well as the coordination between the two or more radio access technologies is provided.
|Calibration and testing device for an active antenna, particularly a nose-cone antenna of an airborne radar|
A device includes a test enclosure defining a cavity forming an anechoic chamber, having a test probe placed inside the cavity. The cavity comprises an aperture against which the radiating surface of antenna is positioned.
Measures for fading-based control of an antenna radiation pattern. Such measures may comprise reception of at least one radio wave signal via an antenna unit, detection of fading conditions in relation to the received at least one radio wave signal, and control of an antenna radiation pattern of the antenna unit, at least in terms of antenna lobe width, on the basis of the detected fading conditions..
|Channel sounding and estimation strategies in mimo systems|
In a system having a first communication device with a first plurality of radio-frequency (rf) chains coupled to a first plurality of antennas and a second communication device with a second plurality of rf chains coupled to a second plurality of antennas, the second communication device receives consecutive training packets that were transmitted by the first communication device, the consecutive training packets having been produced at the first communication device by a power level rule to the first plurality of rf chains. The second communication device determines respective channel measurements corresponding to the consecutive training packets based on the power level rule, and selects a transmit parameter based on the respective channel measurements, the transmit parameter to be used by the first communication device when transmitting to the second communication device.
|Implementing mimo in mmwave wireless communication systems|
A system and method are provided to increase data rates available in mmwave wireless communication systems by adapting a multiple-input multiple-output (mimo) in a next generation mmwave wireless communication system. The system and method advantageously employ the characteristics of mmwave antenna arrays, including multiple antenna elements in each antenna array, to implement the mimo scheme by establishing multiple beamformed communication links between a mmwave transmitter and receiver.
|Antenna device and radar device|
An antenna device according to an embodiment includes a dielectric substrate, a housing, and an interference prevention unit. On the top surface side of the dielectric substrate, a plurality of antennas is formed, and on the bottom surface side, a ground is formed, each as a conductive thin film pattern, respectively.
|Multiband antenna and mobile terminal|
The antenna has a configuration in which three inductors, i.e., first to third inductors 5 to 7 having values of inductances l1 to l3, respectively, are arranged in an inverted f-shaped antenna formed of miniaturized four antenna elements, i.e., first to fourth antenna elements 1 to 4 with an element length shorter than that of each wavelength of desired resonance frequencies are grounded at a gnd ground point 11. A power feeding unit 10 feeds electric power to the inverted f-shaped antenna through a matching circuit 9, thereby enabling a plurality of antenna operations of a two-resonance loop antenna that resonates at two resonance frequencies on a high-frequency side, an inverted f-shaped antenna that resonates at two resonance frequencies on a low-frequency side, and an inverted l-shaped antenna..
|Planar antenna apparatus and method|
A planar antenna apparatus is provided. The apparatus includes a first radiation unit configured to transmit a signal, a first feed unit configured to feed a current to the first radiation unit and apply the signal to be transmitted to the first radiation unit, a first radio frequency (rf) ground to which a plurality of antenna elements are grounded; and a via that connects the first radiation unit to the first rf ground, wherein all of the first radiation unit, the first feed unit, the first rf ground, and the via are disposed on a first plane, and wherein a capacitance value between the first radiation unit and the first feed unit and an inductance value determined by a length and a width of the radiation unit are set as values that cause a resonant frequency in a specific frequency band to be a preset value..
|Antenna system with tuning from coupled antenna|
Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may form a dual arm inverted-f antenna and an additional antenna such as a monopole antenna sharing a common antenna ground.
|Antenna assemblies with tapered loop antenna elements|
According to various aspects, exemplary embodiments are provided of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes one or more tapered loop antenna elements..
|Antennas mounted under dielectric plates|
Electronic devices are provided that contain wireless communications circuitry. The wireless communications circuitry may include radio-frequency transceiver circuitry and antenna structures.
|Control method of radio communication system, radio communication system, and radio communication apparatus|
A communication device 1 (transceivers 400) transmits a training signal from its own transmitting antenna while performing beam scanning, and a communication device 2 (transceivers 500) receives this training signal in a state where a quasi-omni pattern is generated in its own receiving antenna. Further, the device 1 transmits a training signal in a state where a quasi-omni pattern is generated in the transmitting antenna, and the device 2 receives this training signal by the receiving antenna while performing beam scanning.
|Low power, space combined, phased array radar|
A radar system including a plurality of mini radars may be conformable to a structure that it is attached or built into. A radar system includes a clock, a plurality of frequency modulated/continuous wave (fm/cw) radar units in signal communication with the clock and a processor in signal communication with the plurality of fm/cw radar units.
|Plasma apparatus and substrate-processing apparatus|
Provided are a plasma generating apparatus and a substrate processing apparatus. The plasma generating apparatus includes a plurality of dielectric tubes mounted in a plurality of through-holes formed in a vacuum container, respectively; antennas comprising or divided into a first group of antennas and a second group of antennas based on their disposition symmetry in the vacuum container and mounted outside the dielectric tubes, respectively; a first rf power source to supply power to the first group of antennas; a second rf power source to supply power to the second group of antennas; and a first power distribution unit disposed between the first group of antennas and the first rf power source to distribute the power from the first rf power source to the first group of antennas..
|Perturbation-based dynamic measurement of antenna impedance in real-time|
Devices and methods are disclosed for real-time calibration of a tunable matching network that matches the dynamic impedance of an antenna in a receiver. Processing logic is operable to solve multiple non-linear equations to determine the reflection coefficient of the antenna.
|Radiation redirecting elements for portable communication device|
An antenna or set of antennae for a wireless device is provided by embedding the antennae into the battery case or generally the surface area of a wireless phone. The antenna connections are through the battery's connections to the wireless device.