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F Antenna patents

      

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 Method of transmitting a reference signal in a wireless communication system and apparatus therefor patent thumbnailMethod of transmitting a reference signal in a wireless communication system and apparatus therefor
A method of transmitting a reference signal for a hybrid beamforming in a base station of a wireless communication system according to one embodiment of the present invention may include selecting first subset elements arrayed in a first direction from a plurality of antenna elements included in a 2d array antenna of the base station and transmitting a first reference signal through a reference beam formed by the first subset elements, wherein a first cross-section for the first direction of the reference beam corresponds to a directional beam and wherein a second cross-section for a second direction crossing the first direction of the reference beam corresponds to an omni-directional beam.. .
Lg Electronics Inc.


 Determining how to combine received signals patent thumbnailDetermining how to combine received signals
It is presented a method for determining how to combine received signals from a plurality of antennas in an antenna set. The method is performed in a network node and comprises the steps of: determining for each evaluation sector whether it is better to perform intra-sector irc on received signals for all antennas of the evaluation sector than refraining from performing irc; for each evaluation sector, when it is better to perform intra-sector irc, forming a single antenna part; for each evaluation sector, when it is better to refrain from performing irc on any of the received signals for the antennas, forming a separate antenna part for each antenna; determining for a sector group whether it is better to perform inter-sector irc on all its antennas or to keep the previously formed antenna parts; forming a single combined antenna part for the sector group when it is better to perform irc on the at least two evaluation sectors of the sector group..
Telefonaktiebolaget Lm Ericsson (publ)


 Apparatus, system and  wireless communication via polarized antennas patent thumbnailApparatus, system and wireless communication via polarized antennas
Some demonstrative embodiments include apparatuses, devices, systems and methods of wireless communication via polarized antennas. For example, an apparatus may include circuitry configured to cause a wireless station to generate an information element including a plurality of antenna identifiers of a plurality of directional antennas of the wireless station, and a plurality of polarization indicators corresponding to the plurality of antenna identifiers, a polarization indicator corresponding to an antenna identifier to indicate a polarization setting of a directional antenna identified by the antenna identifier; and to transmit a frame including the information element..
Intel Ip Corporation


 Techniques for improving coverage of communication devices patent thumbnailTechniques for improving coverage of communication devices
Certain aspects of the present disclosure provide an apparatus for wireless communication. The apparatus may generally include a plurality of detectors, each configured to detect a signal received by at least one of a plurality of antenna arrays.
Qualcomm Incorporated


 Sensor-based closed loop antenna swapping apparatus and methods patent thumbnailSensor-based closed loop antenna swapping apparatus and methods
Antenna systems that make use of an integrated proximity sensor or other sensor in order to implement a closed loop antenna selection system. In one embodiment, the antenna system is implemented within an exemplary portable wireless device and includes as its primary components for implementing the closed loop antenna selection system: a proximity sensor/microcontroller unit (mcu); a switching apparatus; a baseband front end module (fem); and a number of antenna modules.
Pulse Finland Oy


 System and  radio frequency penetration imaging of an object patent thumbnailSystem and radio frequency penetration imaging of an object
A system and methods for rf (radio frequency) penetration imaging of one or more objects in a medium, the system comprising: a generation and reception unit configured to generate and receive rf signals; an antenna array configured to transmit/receive the rf signals, the antenna array comprises a plurality of antennas: and a processor in communication with said antenna array, said processor is configured to analyze said rf signals and estimate the distance between the antenna array and the object, and in addition the relative orientation between the antenna array and the medium surface.. .
Vayyar Imaging Ltd.


 Radial antenna and methods for use therewith patent thumbnailRadial antenna and methods for use therewith
Aspects of the subject disclosure may include, for example, antenna that includes a first plurality of antenna elements radially arranged in a first plane to wirelessly transmit first channel signals received from a guided wave communication system to a plurality of client devices via a first plurality of beams at a corresponding first plurality of angles. A second plurality of antenna elements are radially arranged in a second plane that is displaced a first distance from the first plane to wirelessly transmit second channel signals received from the guided wave communication system to the plurality of client devices via a second plurality of beams at a corresponding second plurality of angles that are angularly displaced from the first plurality of angles.
At&t Intellectual Property I, Lp


 Calibration and adaptive control of antenna tuners patent thumbnailCalibration and adaptive control of antenna tuners
An apparatus includes a radio-frequency (rf) path that includes an antenna tuner. The apparatus also includes calibration circuitry coupled to the antenna tuner.
Qualcomm Incorporated


 Optimal camera and antenna integration patent thumbnailOptimal camera and antenna integration
An antenna module mounted to a roof of a vehicle that includes a plurality of antenna elements for various vehicle communications systems. The antenna module also includes an fdm camera associated with an fdm, where the camera is positioned at the rear of the module and is mounted in a general flat configuration parallel to the roof the vehicle so that the camera field-of-view is directed upward and so that metal components of the camera do not interfere with the radiation pattern of the antenna elements.
Gm Global Technology Operations Llc


 Antenna  handover using the same patent thumbnailAntenna handover using the same
There are provided an antenna apparatus and a method of handover using the antenna apparatus. The antenna apparatus may comprise a plurality of antenna elements forming a plurality of beams in a predetermined service area.
Electronics And Telecommunications Research Institute


Reporting techniques for reference signal received quality (rsrq) measurements

Reporting techniques for reference signal received quality (rsrq) measurements 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 measure a received signal strength indicator (rssi), determine a reference signal received quality (rsrq) measured quantity value based on the measured rssi, and map the rsrq measured quantity value to an rsrq reporting value according to an rsrq measurement report mapping scheme comprising an extended rsrq reporting range according to which one or more defined rsrq reporting values correspond to rsrq measured quantity values exceeding −3 db.

Systems and methods of antenna orientation in a point-to-point wireless network

An exemplary method comprises positioning a first antenna to receive a first signal from a second antenna, the second antenna comprising energy absorbing material that functions to expand beamwidth, receiving the first signal from the second antenna, detecting a plurality of gains based on the first signal, repositioning the first antenna relative to the second antenna to a position associated with an acceptable gain based on the first signal, removing at least some of the energy absorbing material from the second antenna to narrow the beamwidth of the second antenna, receiving, by the first antenna, a second signal from the second antenna, detecting a plurality of gains based on the second signal, and repositioning the first antenna relative to the second antenna to a position associated with an increased gain of the plurality of gains based on the second signal, the increased gain being greater than the acceptable gain.. .
Aviat U.s., Inc.

Wideband frequency shift modulation using transient state of antenna

Described herein are architectures, platforms and methods for implementing modulating a radiating signal of a high q antenna in order to transmit from one frequency to one or more different frequencies which may be in the same narrow band frequency spectrum or in a wide band frequency spectrum.. .
Virginia Tech Intellectual Properties, Inc.

Measurement of voltage standing wave ratio of antenna system

The present invention provides methods and apparatus to detect the presence of interferers in a wideband digital vswr measurement signal. Interferers cause power differences over different intervals of time and frequency, and may be detected by comparing the measured signals in both time and frequency domains with the original signal.
Telefonaktiebolaget Lm Ericsson (publ)

Method for beam steering in multiple-input multiple-output system

Embodiments herein provide a method for beam steering in a multiple input multiple output (mimo) system. The method includes steering a transmit beam using a precoder matrix determined based on a plurality of parameters, wherein the transmit beam is formed using at least one of a weight of each antenna element, a number of antenna elements, and an inter-antenna element spacing..
Indian Institute Of Technology Madras

Radio frequency systems with transmit and receive isolation

Radio frequency systems with transmit and receive isolation are provided. In certain configurations, a wireless device includes a power amplifier including a power amplifier output configured to provide a transmit signal, one or more duplexers including a first duplexer associated with a first frequency band, a plurality of antennas including a first antenna and a second antenna, a plurality of switches, and an isolation detection system.
Skyworks Solutions, Inc.

Method and radio frequency tuning utilizing a determined use case

A system that incorporates teachings of the present disclosure may include, for example, a memory, a transceiver, a plurality of antennas coupled with the transceiver, a matching network coupled with at least one of the plurality of antennas, a detector coupled with the matching network where the detector obtains operational data associated with at least two of the plurality of antennas, and a controller circuit coupled with the detector and the matching network. The controller circuit can analyze the operational data to determine an operational data differential between the at least two of the plurality of antennas.
Blackberry Limited

Methods circuits devices assemblies and systems for wireless communication

Disclosed herein are methods, circuits, devices, assemblies and systems for facilitating wireless communication, both satellite and terrestrial. According to embodiments, there may be provided a composite antenna structure including multiple antenna element clusters, wherein each antenna cluster may be comprised of a set of antenna elements disposed in proximity to one another and connected to one another through an intra-cluster signal distribution line.
Getsat Communications Ltd.

Hybrid precoding design for multiple input multiple output system with few-bit analog to digital converters

A mobile device includes a receiver configured to perform hybrid precoding on signals received through a large bandwidth communication. The receiver includes a plurality of antennas configured to receive wireless communications signals through the large bandwidth communication.
Samsung Electronics Co., Ltd

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

Methods and thermal testing of antennas

Methods and apparatus for thermal testing of an antenna. Embodiments enable positioning a unit under test having an antenna in an anechoic chamber and, manipulating a rf transparent heat chamber over the antenna.
Raytheon Company

Carrier swapping for lte-u (lte-unlicensed spectrum) method and apparatus

A wireless communication system includes a plurality of communication devices. The rf transceiver includes a transmitter and a plurality of receivers, each receiving signal from an associated communication device.
Zte Corporation

Method for operating a base station in a wireless radio network, base station and user equipment

A base station (11) for a wireless radio network (10) comprises a plurality of antennas (12) for transmitting radio frequency signals between the base station (11) and a user equipment (16). The base station (11) receives at each antenna (12) of a subset of the plurality of antennas (12) a training signal sent by the user equipment (16) in a first frame (20) and determines an antenna configuration parameter for each antenna (12) of the subset of the plurality of antennas (12) based on the training signal received in the first frame (20) for a subsequent transmission of payload information (33, 34) between the base station (11) and the user equipment (16) in a second frame (30) which is different from the first frame (20)..
Sony Corporation

System and simultaneous communication with multiple wireless communication devices

Embodiments of the present invention relate to methods and systems for simultaneous communication with multiple wireless communication devices. In some embodiments, a method for simultaneous communication with multiple wireless communication devices includes receiving, using a plurality of antennas at a first wireless station, a plurality of packets, comprised of orthogonal frequency division multiplexing (ofdm) wireless signals, transmitted simultaneously from a plurality of other wireless stations wherein each of the simultaneously transmitted packets includes a plurality of frequency tones, frequency domain transform the received packets, grouping frequency domain transform outputs for each subcarrier, determining a difference between subcarrier groups formed over different sample sets, and determining a set of weights for each subcarrier, wherein the weights are selected such that the first wireless station can at least one of detect or demodulate the received plurality of packets..

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 Lm Ericsson (publ)

Antenna vswr rf duplexer

Rf circuitry, which includes an antenna vswr rf duplexer and duplexer control circuitry, is disclosed. The antenna vswr rf duplexer includes a first hybrid rf coupler having a first main port coupled to an rf antenna, a first isolation port, and a first pair of quadrature ports; a second hybrid rf coupler having a second main port, a second isolation port, and a second pair of quadrature ports; a third hybrid rf coupler having a third main port, a third isolation port, and a third pair of quadrature ports; and rf filter circuitry coupled to the first pair of quadrature ports, the second pair of quadrature ports, and the third pair of quadrature ports, such that the antenna vswr rf duplexer provides an antenna vswr signal.
Qorvo Us, Inc.

Uplink multi-user-mimo without client assistance

In accordance with an embodiment, a method is provided in which a first wireless access point sends a downlink multi-user multiple-input multiple-output (mimo) transmission to a plurality of client devices. The downlink multi-user mimo transmission is configured to solicit acknowledgments from two or more of the plurality of client devices.
Cisco Technology, Inc.

Radio base station, user terminal and radio communication method

A radio base station with a transmission processing section that converts a symbol allocated at a higher symbol rate than a nyquist rate in a given time domain and/or frequency domain into a symbol allocated at a symbol rate of the nyquist rate or less in the given time domain and/or frequency domain to generate an ofdma (orthogonal frequency division multiple access) signal for each of a plurality of antennas. The radio base station also includes a transmission section that transmits the 01-dma signal of each of the plurality of antennas to a user terminal, where the transmission processing section applies transmit diversity with the plurality of antennas to the symbol allocated at the higher symbol rate to improve throughput in a radio communication system using transmit diversity..
Ntt Docomo, Inc.

Method for transmitting data between a user equipment and a base station in a wireless radio network

The present invention relates to a method for transmitting data between a user equipment (15) and a base station (11) in a wireless radio network (10). The user equipment (15) comprises at least a first antenna (16) and a second antenna (17).
Sony Corporation

Method and device for extending beam area in wireless communication system

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). An electronic device is provided in a wireless communication system.
Samsung Electronics Co., Ltd.

Wireless communication node with cross-polarized antennas and at least one transformation matrix arrangement

A node in a wireless communication network, where the node comprises at least one antenna arrangement. Each antenna arrangement in turn comprises at least four antenna devices with corresponding pairs of antenna ports which in turn comprise corresponding first antenna ports and second antenna ports.
Telefonaktiebolaget Lm Ericsson (publ)

Microwave tomography apparatus and method thereof

According to the exemplary embodiment of the present invention, a microwave tomography apparatus is an apparatus which measures microwave tomograph of a subject which is inserted into a medium container including: a plurality of antennas which is located in the medium container and transmits and receives an electromagnetic wave; a plurality of transceivers which, when a radio wave signal transmitted from one of the plurality of antennas is simultaneously received by the remaining antennas of the plurality of antennas, measures intensity and phase information of the radio wave signal received from the remaining antennas; and a controller which generates an image using the values measured by the plurality of transceivers.. .
Electronics And Telecommunications Research Institute

Communication apparatus, communication method, and storage medium

In order to reduce the time required to set up a base station or required to update software, a communication apparatus (10) comprises: a plurality of antenna units (11a-11e) for communicating with mobile station apparatuses; a base station unit (12) that functions as a plurality of virtual base stations for communicating with the mobile station apparatuses by use of the antenna units (11a-11e); and a virtual management server unit (15) that functions as a logical server for managing the plurality of virtual base stations.. .
Nec Corporation

Ranging over multiple antennas

Methods, systems, and devices are described for wireless communication. An example method includes receiving, by a first wireless communication device having a plurality of antennas disposed at a localized position, a plurality of fine timing management (ftm) messages from a second wireless communication device.
Qualcomm Incorporated

Transmitter for spatial modulation in a high-efficiency wireless local-area network

A transmitter for spatial modulation in a high-efficiency wireless local-area network is disclosed. An apparatus is disclosed that comprises memory and circuitry coupled to the memory.

Method of data transmission in multiple antenna system

A method of data transmission includes determining the number of layers, generating mapping symbols by mapping modulation symbols for a first codeword and modulation symbols for a second codeword to each layer, and transmitting the mapping symbols through a plurality of antennas. At least one of the first codeword and the second codeword is mapped to at least 3 layers and the number of layers is larger than 3..
Lg Electronics Inc.

Modular antenna for integration with an internet of things (iot) hub and associated systems and methods

An modular antenna for integration with an internet of things (iot) hub and associated systems and methods. For example, one embodiment of an apparatus comprises: a modular antenna to be used with an embedded internet of things (iot) hub having a plurality of wireless communication interfaces, the modular antenna comprising an interface component and an antenna component; the interface component comprising a first plurality of pins or pads to electrically couple the module antenna to the embedded iot hub; and the antenna component comprising a plurality of antennas to be electrically coupled to the first plurality of pins or pads, thereby electrically coupling each of the plurality of antennas to one of the plurality of wireless communication interfaces of the embedded iot hub..
Kiban Labs, Inc.

Radio base station, user terminal and radio communication method

The present invention is designed to reduce the overhead of reference signals for measuring csi in high-order mimo multiplexing technique. A radio base station is used in a radio communications system of a frequency division duplexing (fdd) scheme, and has a receiving section that receives reference signals for measuring time division duplex (tdd) channel state information, transmitted from a plurality of antennas provided in a user terminal, a measurement section that measures the channel state information, in a plurality of receiving antennas, by using the reference signals, a generation/selection section that generates an optimal precoding vector from the channel state information measured in each receiving antenna, or selects the optimal precoding vector from a set of precoding vectors that is defined in advance, and a transmission section that transmits a physical downlink shared channel, in mimo multiplexing transmission, by using the precoding vector selected in the generation/selection section..
Ntt Docomo, Inc.

Method for full duplex communications using array of antennas and associated full duplex wireless communication device

The present disclosure provides a method implemented by a full duplex wireless communication device for communications using an array of antennas and the full duplex wireless communication device. The method comprises switching an operation mode of the full duplex wireless communication device between an antenna sharing mode, in which each of the antennas is used for both transmission and reception at a same frequency band, and an antenna isolation mode, in which said each of the antennas is used for either transmission or reception at the frequency band or for both transmission and reception at non-overlapping frequency subbands.
Telefonaktiebolaget Lm Ericsson (publ)

Wireless communication node with adaptive communication

The present invention relates to a wireless communication node (1) comprising at least one antenna arrangement (2, 3, 4). Each antenna arrangement (2, 3, 4) comprises at least three antenna devices (5, 6, 7, 8), comprising corresponding pairs of antenna ports (a, b, c, d) with a corresponding first and second antenna port (p1a, p1 b, p1 c, p1d; p2a, p2b, p2c, p2d).
Telefonaktiebolaget Lm Ericsson (publ)

Signaling of antenna associations

For future wireless systems, it is desired to keep network implementation aspects, such as transmission point selection, precoder selection, etc, transparent to the terminal. This means that terminals are envisaged to be unaware of e.g.
Telefonaktiebolaget L M Ericsson (publ)

Dual polarization antenna

An antenna having a plurality of antenna elements formed into a conductive layer engaged upon a planar dialectic is disclosed. The plurality of formed elements provide for reception and transmission of rf energy in both horizontal and vertical polarized orientations as well as at angles therebetween..

Mobile terminal

A mobile terminal includes: a plurality of antenna inputs; a selecting unit configured to select one of the plurality of antenna inputs; a metal chassis used for holding a panel for display and maintaining mechanical strength of the panel; and a pifa type antenna having a resonance pattern and a coaxial cable in which a coating removed portion is provided in a part in a manner that an external conductor is exposed, the pifa type antenna being configured to fix the coating removed portion in a vicinity of an upper end of the metal chassis.. .
Sony Corporation

Detecting presence, size, and direction of motion of an object using radio-frequency techniques

Various embodiments transmit a radio-frequency (“rf”) beam using two or more rf antennas of a mobile device, e.g. A mobile phone.
Motorola Mobility Llc

Antenna operation for reservoir heating

Contaminants such as water or brine, metallic particulates and ionic or organic materials frequently occur in a wellbore being prepared for rf heating, or in an rf antenna installed in the wellbore. Prior to applying rf electrical energy to the formation, the antenna is decontaminated by circulating a preconditioning fluid through the antenna and recovering a spent fluid for treating and recycle.

System and methods for null steering in a multicarrier system

A system and methods for cancelling spatial interference associated with an original multi-carrier signal carrying at least one data transmission sent by a transmitter to an antenna array comprising a plurality of antennae and having a receiver operatively associated therewith, the system receiving a plurality of received signals respectively including interference and the original signal as received by a respective individual antenna from among the plurality of antennae, the system comprising a spatial nulling device for generating a cleaner signal by reducing at least one spatial component of the interference; and a signal manipulator operative to manipulate a derivative of the received signal so as to cause the at least one data transmission to be more concentrated in a subset of frequency bands in which the spatial nulling device is more effective and to be less concentrated in frequency bands which do not belong to the subset of frequency bands.. .
Elta Systems Ltd.

Phased array antenna self-calibration

A phased array antenna system includes an array of antennas having first antenna and second antennas disposed equidistantly from a third antenna. The first antenna is associated with a first gain and a first phase and the second antenna is associated with a second gain and a second phase.
Google Inc.



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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    This listing is a sample listing of patent applications related to F Antenna for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for F Antenna with additional patents listed. Browse our RSS directory or Search for other possible listings.


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