This page is updated frequently with new F Antenna-related patent applications.
| 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.
| 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.
|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.
|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)..
|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).
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.. .
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.
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..
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.. .
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.
System and rf testing
A system for testing radio frequency (rf) characteristics of a wireless device includes a test fixture. The test fixture includes a base plate that receives a wireless device, and a back plate that receives an rf antenna and positions the rf antenna relative to the wireless device.
Atc Logistics & Electronics, Inc.
Method and system for mapping pilot signals in multi-stream transmissions
A base station comprises a downlink transmit path comprising circuitry configured to transmit a plurality of reference signals in two or more subframes. Each subframe comprises one or more resource blocks.
Samsung Electronics Co., Ltd.
Wireless communication system, transmitting information of user equipment, receiving information of base station, and user equipment and base station thereof
The present disclosure provides a wireless communication system including a plurality of remote units, and a digital unit configured to connect one output port to at least one of i) one remote unit having a maximum antenna number of antennas among the plurality of remote units and ii) two or more remote units each having antennas smaller than the maximum antenna number among the plurality of remote units.. .
A method of locating a radiator is provided. A channel measurement vector is defined that includes a signal value measured at each of a plurality of antennas in response to a signal transmitted from a radiator.
Wisconsin Alumni Research Foundation
Method and channel estimation in massive mimo systems with dynamic training design
This invention is concerned with estimating a massive multi-input multi-output (mimo) channel. In one embodiment, the transmit antennas are first partitioned into antenna groups each comprising a subset of the transmit antennas such that a pre-determined level of channel-estimation accuracy is attainable.
Hong Kong Applied Science And Technology Research Institute Company Limited
Base-station device, terminal device, transmission method, and reception method
Provided is a base-station device, a terminal device, a transmission method, and a reception method that realize efficient transmission in a radio communication system that performs large-scale mu-mimo transmission. The base-station device having a plurality of antennas and performing communication with a plurality of terminal devices simultaneously, includes a channel state information acquisition unit for acquiring channel state information with respect to the plurality of terminal devices; a signal spreading unit for performing spreading and multiplexing for a plurality of signals addressed to each of the terminal devices by using a spread code in a spatial direction of each of the terminal devices; and a precoding unit for applying precoding to the signals, which have been spread and multiplexed, based on the channel state information..
Sharp Kabushiki Kaisha
System and reconfiguring rf signals in a multi-input receiver
A multi-input receiver including a plurality of rf antennas, a multi-channel receiver, an input port configuration block (ipcb), and a configuration block controller. The ipcb includes at least two two-way connection modules, at least one four-way connection module, at least one direct connection module, and a plurality of electronic signal pathways.
Battelle Memorial Institute
Shared-aperture antenna and base station
The present application relates to the field of antenna technologies, and discloses a shared-aperture antenna and a base station, to resolve a problem of sharing an aperture between antenna arrays working in different frequency bands. The shared-aperture antenna includes a dielectric substrate, a microstrip antenna array, and an electrically small antenna array, where the microstrip antenna array includes rows of microstrip patch antenna units uniformly distributed in arrays, and the microstrip patch antenna units fit a surface of the dielectric substrate; the electrically small antenna array includes electrically small antenna units that are parallel to each other; and the electrically small antenna units are inserted at intervals between the microstrip patch antenna units, and fit the surface of the dielectric substrate..
Huawei Technologies Co., Ltd.
Antenna and electronic device including the same
An electronic device including a plurality of antennas is provided. The electronic device includes a first radiator including at least one matching block that is connected with a ground area and at least one side of the first radiator.
Samsung Electronics Co., Ltd.
Embodiments of the invention include a semiconductor light emitting device for emitting a first light at a first wavelength and a wavelength conversion medium arranged to convert at least part of the first light into a second light at a second wavelength. The wavelength conversion medium is disposed between a periodic antenna array and the semiconductor light emitting device.
Koninklijke Philips N.v.
Multipoint-to-multipoint radio data transport
The invention concerns a system for multipoint-to-multipoint radio data transport, comprising a device for switching samples of digitised radio data called samples, transmitted by a device for the digital processing of antenna signals called antenna device (ru1, ru2), via a first data link (dl11, dl12), to a plurality of recipient antenna controller devices (du1, du2) identified by a respective plurality of controller identifiers, the switching device (dd) comprising the following modules: interception of first data frames (t11, t12) from the antenna device and intended for the plurality of controller devices, the first frames comprising the samples, demultiplexing the samples from the intercepted first data frames, extracting the controller identifiers from the intercepted first data frames, grouping together the demultiplexed samples by controller identifier, multiplexing the samples by group in second data frames (t21, t22), a second data frame being associated with a controller identifier, transmitting the second data frames via a plurality of second data links (dl21, dl22) associated respectively with the plurality of recipient antenna controller devices.. .
Pilot symbol patterns for transmission via a plurality of antennas
A method and apparatus for improving channel estimation within an ofdm communication system. Channel estimation in ofdm is usually performed with the aid of pilot symbols.
Apparatuses, methods and computer programs for a base station transceiver and a mobile transceiver
Embodiments provide apparatuses, methods and a computer programs for a base station transceiver and a mobile transceiver. An apparatus (10) operable in a base station transceiver (100) of a mobile communication system comprises a transceiver module (12), which comprises interfaces to a plurality (18) of antennas, and which is operable to transmit radio signals using combinations of time and frequency radio resources.
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.
Radio frequency properties of a case for a communications device
A case is provided for a portable radio frequency (rf) communications device in which the portable rf communications device has an rf antenna arrangement internal to or integrated with an outer housing, the outer housing having an outer surface having a first portion, dielectric characteristics adjacent to which having a relatively low effect on a frequency characteristic of the rf antenna arrangement; and a second portion, dielectric characteristics adjacent to which having a relatively high effect on the frequency characteristic of the rf antenna arrangement. The case has a base, dimensioned to fit a back of the rf communications device; and a plurality of walls, extending from the base and dimensioned to fit corresponding walls of the rf communications device.
Tech 21 Licensing Limited
Power combiner and microwave introduction mechanism
A power combiner includes a main body composed of outer and inner conductors, a plurality of power introduction ports configured to introduce electromagnetic wave powers supplied through power supply lines into the main body, a power combining antenna configured to radiate electromagnetic waves to a space between the outer and inner conductors such that the powers are combined, and an output port through which the combined electromagnetic wave is outputted from the main body. The power combining antenna includes a plurality of antenna members, each of which has a first pole and a second pole that is in contact with the inner conductor, and a reflection part configured to reflect the electromagnetic waves..
Tokyo Electron Limited