|| List of recent F Antenna-related patents
|Method and a hybrid node in a cellular wireless communication system|
A new approach to deployment of a hybrid node in a cellular communication network is proposed, wherein the hybrid node includes a plurality of antennas that simultaneously serve a plurality of cells in the cellular communication network by transmitting or receiving signals to or from the cells at the same time. The cellular communication network further includes a partner cell among the plurality of cells served by the hybrid node, wherein the partner cell is a soft cell that maintains communication channels with antennas of more than one node at the same time.
Zte (tx) Inc.
|Apparatus and near field communication|
Disclosed herein is a mobile phone with the near field communication (nfc) technology and method of operating the mobile phone. The mobile phone includes a display; a baseband chip; an near field communication (nfc) module comprising an rf antenna, an nfc tag circuit and an nfc main chip; and the rf antenna configured to receive, from an external rf reader, a command rf signal in 13.56 mhz and further configured to transmit, to the external rf reader, a responsive rf signal in 13.56 mhz..
|Methods and systems for distributing fiber optic telecommunication services to local areas and for supporting distributed antenna systems|
A fiber optic network includes a fiber distribution hub including at least one splitter and a termination field; a plurality of drop terminals optically connected to the fiber distribution hub by a plurality of distribution cables; and a distributed antenna system (das). The das includes a base station and a plurality of antenna nodes.
Adc Telecommunications, Inc.
|A reconfigurable antenna system|
The invention relates to a reconfigurable antenna system (1), which comprises a plurality of antenna units (10) and does not employ phase shifters. Each antenna unit (10) is by itself a reconfigurable antenna having at least an active radiating element which is coupled to one or more passive radiating elements.
Adant Technologies, Inc.
|Integrated stripline feed network for linear antenna array|
An embodiment of an integrated stripline feed network for a linear antenna array comprises a power distribution network coupled to the linear antenna array; a feed signal input/output component coupled to the power distribution network; wherein the input/output component receives a feed signal and splits the feed signal for distributing to a plurality of antenna elements of the linear antenna array through the power distribution network. The integrated stripline feed network is configured to be integrated into a support body of the linear antenna array, wherein, the support body structurally supports the linear antenna array..
Honeywell International Inc.
|Device and surface positioning of antennas|
Systems and methods for providing antennas for transmission and reception of radio frequency communications. More particularly, implementations of the present invention relate to a device and method for positioning antennas on surfaces encasing or surrounding an electronic device such as the rear of a flat panel display television or a laptop computer, smartphone, or pad computer, or on plates and components which removably engage with such devices..
|Vehicle monitoring systems and methods|
An embodiment includes a lot management system. The lot management system includes a transmitter comprising a location determination module having a gps data pathway to an rf transmission module and a receiver including an rf antenna and a receiver processor..
Key Control Holding, Inc.
|Method and embedding radiated elements in a touch panel|
Radiated elements are embedded in in a touch panel that includes a plurality of layers including at least one conductive layer and at least one silver layer. The plurality of layers are configured a stack up configuration.
Motorola Solutions, Inc
|Radar system with improved multi-target discrimination|
A includes a plurality of antennas and a controller. Each antenna is configured to detect a reflected radar signal reflected by an object in a field-of-view of the system.
Delphi Technologies, Inc.
|Antenna selection for coordinated multipoint uplink reception|
There are provided measures for antenna selection for coordinated multipoint uplink reception. Such measures exemplarily include determining, for each antenna of a plurality of antennas, a quality of reception on a physical uplink control channel, and selecting, from said plurality of antennas, based on said determining, a set of a predetermined number of antennas to be used for reception on a physical uplink shared channel..
Nokia Solutions And Networks Oy
Method and transmitting a reference signal in a relay communication system
A method and apparatus for transmitting reference signals in a relay communication system are provided. The method transmits reference signals via a type 2 relay node in a relay communication system and includes a base station (bs) allocating a plurality of antenna ports in a mutually exclusive manner so that the antenna port of the bs and the antenna port of a peripheral relay node do not overlap each other, the bs and relay node transmitting reference signals to a user equipment (ue) via the corresponding antenna ports that are mutually exclusively allocated and the bs receiving channel state information from the ue to obtain channel state information between the bs and the ue and channel state information between the relay node and the ue..
Lg Electronics Inc.
Blacklisting techniques for detected set event evaluation
Blacklisting techniques for detected set event evaluation are described. In one embodiment, for example, user equipment (ue) may comprise at least one radio frequency (rf) transceiver, at least one rf antenna, and logic, at least a portion of which is in hardware, the logic to receive a measurement control message comprising a remotely-selected event evaluation blacklist (eeb) for a wireless communication frequency, determine whether a local eeb exists for the wireless communication frequency, and in response to a determination that a local eeb exists for the wireless communication frequency, replace the contents of the local eeb with the contents of the remotely-selected eeb.
Intel Ip Corporation
Communication device and orientation control method
The communication device includes: a phased array antenna having a plurality of antenna elements arranged on a plane for receiving signals transmitted from one or more transmitting devices; a signal converter for combining signals received through antenna elements for each sub-array and converting the combined signal for each sub-array into a baseband signal, the each sub-array being grouped from the plurality of antenna elements; a signal processor for decoding playback data based on respective baseband signals for sub-arrays in each resource block and detecting an error of the decoded playback data; and an orientation controller for controlling orientation of the phased array antenna based on the base band signals for the sub-arrays and a signal of a resource block with the playback data having no error.. .
Samsung Electronics Co., Ltd.
Hybrid virtual antenna mapping for multiple-input multiple-output system
Aspects for balancing power output on the plurality of antennas for the transmission of a transport block are disclosed. In accordance with the present disclosure, a transmitter may balance the power output on a plurality of transmit antennas in a multiple-input multiple-output (mimo) system by having a precoded data block bypass a virtual antenna mapping of the overhead channels (e.g., control channels).
Systems and methods for improving uplink transmission properties in a communication network
Embodiments are directed to improving uplink transmission properties in a communication network. In one aspect a method for improving uplink transmission properties is disclosed that includes: obtaining information indicating an operating scenario of a ue, wherein the ue includes a plurality of antennas and the ue is configured to transmit ul signals using the plurality of antennas; selecting a precoder that is optimized for ul multiple antenna transmission based on at least the indicated operating scenario; and communicating the precoder to the ue.
Telefonaktiebolaget L M Ericsson (publ)
Massive mimo architecture
Techniques are disclosed relating to a massive mimo base station architecture. In some embodiments, a base station is configured to combine signals received by multiple antennas and, for at least a subset of processing elements included in the base station, each processing element is configured to operate on a different portion of the combined signals.
National Instruments Corporation
Low effort massive mimo antenna arrays and their use
An apparatus includes a number of first rf chains configured to be able to be coupled to a plurality of first antennas from an antenna array and a number of second rf chains configured to be able to be coupled to a plurality of second antennas from the antenna array. The first and second antennas are different.
Nokia Solutions And Networks Oy
Compact pifa antenna
Various planar inverted-f antenna configurations may include an antenna element formed on the top of a pcb and a ground element formed on the bottom of the pcb. Two or more slots may be included in the antenna element for reducing the antenna area while maintaining a suitable impedance bandwidth.
Embedded millimeter-wave phased array module
Embodiments of an embedded mm-wave radio integrated circuit into a substrate of a phased array module are disclosed. In some embodiments, the phased array module includes a first set of substrate layers made of a first material.
System and estimating true bearings of radio frequency identification (rfid) tags associated with items located directly underneath an overhead antenna array in a controlled area
An rfid tag reading system and method estimate true bearings of rfid tags associated with items located in a scan zone directly underneath an overhead array of antenna elements. A controller energizes a plurality of diametrically opposite antenna elements to yield electric fields having polarizations, and switches each antenna element between mutually orthogonal polarizations.
Symbol Technologies, Inc.
A radio-frequency (rf) system includes a substrate; a plurality of antenna strings, formed on a first plane of the substrate, each comprising a plurality of radiating units connected in a sequence, wherein the plurality of antenna strings are classified into a first group and a second group; a plurality of wires, formed on a second plane of the substrate, for transmitting rf signals; a plurality of connecting units, disposed in the substrate, for coupling the plurality of wires and antenna strings of the second group; a first rf processing module, for transmitting or receiving rf signals via antenna strings of the first group, and a second rf processing module, for coupling to the antenna strings of the second group through the plurality of wires and the plurality of connecting units, so as to transmit or receive rf signals via the antenna strings of the second group.. .
Wistron Neweb Corporation
Embedded wireless sensors for turbomachine component defect monitoring
Various embodiments include detection systems adapted to monitor at least one physical property of a component in a turbomachine. In some embodiments a detection system includes at least one sensor configured to be affixed to a component of a turbomachine, the at least one sensor for sensing information regarding at least one physical property of the turbomachine component during operation of the turbomachine, a signal converter communicatively coupled to the at least one sensor and at least one rf communication device configured to be affixed to a stationary component of the turbomachine, the radio frequency communication device configured to communicate with the at least one signal converter via an rf antenna coupled to the signal converter..
General Electric Company
Field measurement compensation
A system and method of locating a key are disclosed. The key is configured to communicate with a base station through a plurality of antennas that are coupled to the base station.
Wireless position estimation apparatus and method
A wireless position estimation apparatus may include a wireless communications unit receiving radio signals including positional information related to a plurality of aps from the plurality of aps including a plurality of antennas, a radio signal processing unit combining radio signals received from the plurality of antennas or selecting one of the radio signals, depending on whether or not channel gains of the respective antennas are changed, for a respective ap, a distance calculating unit measuring received signal strength indication (rssi) values of the radio signals combined or selected by the radio signal processing unit and calculating distance values to the aps using the measured rssi values, and a position estimating unit estimating a position of a terminal using the calculated distance values and the positional information.. .
Samsung Electro-mechanics Co., Ltd.
Television receiver, television broadcast receiving method and mobile terminal
There is provided an apparatus comprising a plurality of antenna terminals, a first switch configured to select an antenna terminal of the plurality of antenna terminals, a second switch configured to receive an output of the antenna terminal from the first switch and divide the output of the antenna terminal into a first output and a second output, a surface acoustic wave filter configured to receive the first output from the second switch, and a tuner/decoder configured to receive an output of the surface acoustic wave filter and the second output.. .
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.
Wireless network with coordinated sectors to mitigate interference
A wireless network with coordinated sectors to mitigate interference. An example of the network includes a plurality of antennas each having a directional gain pattern, at least one antenna located at as first access point and at least one antenna located at a second access point spaced apart from the first access point, at least one antenna at the first access point oriented with maximum gain in a first direction that defines as first sector and at least one antenna at the second access point oriented with maximum gain in a second direction that defines a second sector, and at least one transceiver coupled to the antennas in sequence any antennas oriented in the first sector separately from any antennas oriented in the second sector..
Avoiding self interference using channel state information feedback
Disclosed herein is a system, apparatus, and method for reducing self-interference within a wireless network device using channel state information feedback and beamforming techniques. The self-interference within a device may be reduced by first transmitting, by a first circuitry, a first set signals using a first radiation pattern through a first set of antennas coupled with the first circuitry.
Aruba Networks, Inc.
Terminal device and antenna switching method
A terminal device includes a first memory that stores a position of each of antennas included in a main body of a terminal device for each of holding manners for the main body of the terminal device, a second memory, a processor coupled to the second memory, configured to detect a holding manner for the main body of the terminal device including the antennas, detect a shape indicating a shadow of an object pointing to a surface of the terminal device, identify a holding hand that holds the main body of the terminal device, based on the detected shape, and switch an antenna which overlaps with the holding hand to another antenna based on the identified holding hand and the position of each antenna stored in the first memory, the antenna corresponding to the detected holding manner.. .
Method and wideband, polarimetric reception of high frequency radio signals
A method and apparatus for wideband, polarimetric reception of high frequency radio signals. Traditionally, high frequency (hf) antennas that employ magnetic loops are “tuned” to specific frequency and a single polarization.
Antenna array for communication system
The present disclosure relates to antenna arrays for communication systems. An apparatus comprises an array of antenna elements and a controller configured to independently control modulated or unmodulated phase and modulated or unmodulated gain for two or more signals received or transmitted by the array of antenna elements using energy sampling techniques..
Solar photovoltaic panel and solar photovoltaic system
A solar photovoltaic panel disposed in a matrix for use, wherein the solar photovoltaic panel comprises a plurality of antennas configured to communicate with antennas placed on adjoining solar photovoltaic panels, a receptor configured to receive a search command via the plurality of antennas, a transmitter configured to transmit a search command from the antennas excluding the antenna having received the search command in response to the received search command, and a responder configured to create a response signal including the panel id of its own solar photovoltaic panel and transmit the response signal from the antenna having received the search command when no response signal to the search command transmitted from the transmitter is received, and when a response signal to the search command transmitted from the transmitter is received, transmit the response signal with the addition of information from the antenna having received the search command.. .
Mitsubishi Electric Corporation
Rf antenna proximity sensing in a playback device
An example embodiment includes a playback device comprising a wireless communications interface that includes an rf antenna, a capacitive proximity sensor comprising a grounding plane that is coupled to the rf antenna, one or more processors, and a data storage having stored therein instructions executable by the one or more processors to cause the playback device to perform operations. The operations include detecting that an object is in proximity to the capacitive proximity sensor and responsively preparing the playback device to play back audio..
Apparatus, system and multi-input-multi-output (mimo) beamformed communication with space block coding
Some demonstrative embodiments include devices, systems and/or methods of beamformed communication with space block coding. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams directed in a plurality of different directions for communicating a multi-input-multi-output (mimo) wireless transmission, which is encoded according to a space-block coding scheme..
Electronic device with near-field antenna operating through display
An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer.
Expanding axial ratio bandwidth for very low elevations
Systems and methods for expanding the axial ratio bandwidth at very low elevations are provided. In certain implementations, a system comprises an antenna having a first group of antenna elements and a second group of antenna elements, wherein elements in the first group of antenna elements are reflectively symmetrical about a plane with corresponding elements in the second group of antenna elements; and a global navigation satellite system receiver configured to drive the antenna and process received signals from global navigation satellite system satellites, wherein the global navigation satellite system receiver operates elements in the first group of antenna elements with a first phase delay and the second group of antenna elements with a second, different phase delay and drives the first group of antenna elements and the second group of antenna elements at different power levels..
Electronic devices with hybrid antennas
An electronic device may be provided with hybrid planar inverted-f slot antennas and indirectly fed slot antennas. A hybrid antenna may be used to form a dual band wireless local area network antenna.
Apparatus and eliminating blind spot in an rf antenna array
The present invention provides an apparatus and method for eliminating blind spot of a high frequency rf antenna array, allowing an rfid tag to be detected when placed anywhere on top of and within the communication range of the rf antenna array. The rf antenna array includes a first array of rf antenna placed on a first surface and a second rf antenna placed on a second surface.
Systems and methods for embedding antenna array structures in an information handling system display
In accordance with embodiments of the present disclosure, an information handling system may include a processor, a user interface, and a flexible integrated circuit. The user interface may include a user interface comprising a display, a touch sensor overlaid on the display and configured to detect tactile touches on the user interface, a cover overlaid on the touch sensor, and an antenna array comprising a plurality of antennas.
Dell Products L.p.
Dynamic antenna tuning for multi-band multi-carrier wireless systems
Apparatus and methods for the design and dynamic tuning of antenna circuitry for use across multiple radio frequency bands in wireless communication devices is disclosed herein. An antenna apparatus includes antenna tuning control, antenna tuning circuitry, and a set of one or more physical antennas.
Plane wave generation within a small volume of space for evaluation of wireless devices
Small anechoic chambers for evaluating a wireless device under test (dut) are characterized by a set of antennas to which a test signal is applied and for which excitation coefficients are applied such that the test signal approximates a single plane wave or a preselected superposition of plane waves in the near field of the antennas. The test-equipment antennas in the chamber may be as close as one wavelength from the boundary of a test zone in which the dut is disposed.
Azimuth Systems, Inc.
Array processing for satellite communications
A satellite communications system includes a plurality of satellites that generate communications data over a plurality of channels. A plurality of antennas receives the communications data over the plurality of channels generated by the plurality of satellites.
Northrop Grumman Systems Corporation
Apparatus and transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping
Disclosed is a sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from these antennas and estimates the uplink channel state of each antenna.
Samsung Electronics Co., Ltd.
Base station apparatus, terminal apparatus, wireless communication system and integrated circuit
A base station apparatus according to the present invention is capable of adjusting antenna gains in a horizontal direction and a vertical direction of the plurality of antennas included in the base station apparatus, by adjusting a phase and an amplitude of a signal addressed and transmitted to a terminal apparatus, stores a codebook which is shared with the terminal apparatus and describes a plurality of linear filters associated with antenna gains in the horizontal direction and antenna gains in the vertical direction, acquires control information indicating at least one out of a plurality of linear filters described in the codebook, of which notification is sent from the terminal apparatus, performs precoding on the signal addressed to the terminal apparatus, based on the control information and the first codebook, and transmits the signal subjected to the precoding.. .
Sharp Kabushiki Kaisha
Methods for reducing near-field radiation and specific absorption rate (sar) values in communications devices
A method is provided introducing a phase difference between signals at antenna ports of an antenna such that a first signal at one of the antenna ports has a different phase than a second signal at another one of antenna ports to obtain an antenna pattern control. A reduced power is used that is lower than the power used in a non-pattern control operation of the antenna such that a wireless link performance criteria is met with equipment at a far-field point using the reduced power compared to the non-pattern control operation, thereby reducing a specific absorption rate..
Co-linear mm-wave phased array antenna with end-fire radiation pattern
A system according to one embodiment includes a plurality of phased array antennas, each of the plurality of phased array antennas comprising a plurality of antenna elements, the plurality of antenna elements configured in a linear array, wherein each of the plurality of antenna elements generates an end-fire beam pattern; and driver circuitry coupled to each of the plurality of phased array antennas, the driver circuitry configured to provide a phase offset between each of the plurality of phased array antennas.. .
Antennas for near-field and non-near-field communications
An electronic device may be provided with antenna structures. The antenna structures may be coupled to non-near-field communications circuitry such as cellular telephone transceiver circuitry or wireless local area network circuitry.
Manufacturing nonplanar 3d antenna shaping
A manufacturing method of nonplanar 3d antenna shaping includes providing a nonplanar insulating substrate; performing coarsening and modification on the surface of the substrate, followed by rendering the substrate surface hydrophilic in a plasma process to form a modified substrate; performing copper electroless plating on the modified substrate to plate a copper layer on the substrate, so as to achieve a required thickness. The width of the metal wiring is efficiently reduced to microscale by 3d photolithography; therefore, the range of its low-frequency application is reduced to less than 2 ghz.
National Chung Shan Institute Of Science And Technology
Manufacturing antenna shaping
A manufacturing method of antenna shaping includes providing a nonplanar insulating substrate; coarsening and modifying a surface of the substrate and rendering the substrate surface hydrophilic by a plasma process to form a modified substrate; performing copper electroless plating on the modified substrate; electroplating a copper layer to attain a required thickness; defining antenna wiring width and clearance by multi-axis mechanical processing; and performing antenna metal wiring shaping with a copper etching plating solution. Furthermore, metal wiring shaping and processing is performed with a mechanical cutting tool of a multi-axis processing machine without using any photomask, so as to control substrate surface coarsening uniformity and enhance hydrophilicity of the surface of the modified substrate, with a precise plating technique for enhancing the quality of copper wire coating, cutting costs, and speeding up the processing process..
National Chung Shan Institute Of Science And Technology
Dielectric strap waveguides, antennas, and microwave devices
A new class of antennas and microwave components are introduced. In this approach a high-permittivity dielectric film is applied (i.e.
The University Of Saskatchewan
Rheology unit for mri with integrated oscillator and rf antenna
The present invention provides a rheology module (200) for use in a magnetic resonance (mr) rheology imaging system (110), whereby the rheology module (200) is adapted to introduce mechanical oscillations into a subject of interest (120), comprising a housing (202), a mechanical oscillator unit (204), which extends at least partially outside the housing (202) and is movable relative to the housing (202), and a transducer (206) for moving the oscillator unit (204), whereby the rheology module (200) comprises at least one radio frequency (rf) antenna unit (210, 212), which comprises at least one rf coil (214, 216). With the rf antenna device integrated into the rheology module, an antenna placement close to a region of interest (roi) can be achieved to improve the mr imaging capabilities of a mr rheology imaging system.
Koninklijke Philips N.v.
Terminal device, communication method and integrated circuit
A base station device and a terminal device determine resource element mapping in which a pdsch is mapped and perform efficient communication. The terminal device uses a first parameter set among up to 4 parameter sets in order to determine resource element (re) mapping for the pdsch, when decoding the pdsch based on detection of a physical downlink control channel (pdcch) or an enhanced physical downlink control channel (epdcch) with a downlink control information (dci) format 1a and transmitted on an antenna port 7, and determines re mapping for the pdsch by using the number of antenna ports for and/or a frequency position of a cell-specific reference signal (crs) in the serving cell when decoding the pdsch based on detection of the pdcch or the epdcch with the dci format 1a and transmitted on antenna ports 0 to 3..
Automatic network design
A computer implemented method and system for communication network design, including: generating a plurality of receiver points; generating a target received signal strength for each receiver point of the plurality of receiver points; determining a predicted number of antennas based on a size of the communications network and a coverage area of an antenna; determining a location for each antenna of the predicted number of antennas; generating an estimated received signal strength for each receiver point of the plurality of receiver points, based upon the predicted number of antennas and the location of each antenna of the predicted number of antennas; comparing the estimated received signal strength for each receiver point with the target received signal strength for the receiver point; generating a revised predicted number of antennas based upon at least one of the comparisons of target received signal strength and estimated received signal strength.. .
Receiving apparatus, receiving, transmitting apparatus, transmitting, and wireless communication system
A receiving apparatus includes a plurality of antennas that includes a first antenna and a second antenna; a receiver, and a processor. The receiver receives a wireless signal containing a pair of coded signals, being coded in alamouti-type coding, through the plurality of antennas.
Sparse ordered iterative group decision feedback interference cancellation
Data can be received characterizing a first signal received on a plurality of antennas and comprising multiple transmission signals transmitted simultaneously on at least a same resource element in an orthogonal frequency-division multiple access (ofdm) communications system. A final estimate of the multiple transmission signals can be determined from at least the received data by iteratively estimating multiple transmission signals from the first signal and feeding back selected estimated multiple transmission signals, which satisfy a criterion, to cancel components of the first signal.
Communication systems and methods
In accordance with embodiments, a communication system includes a first device and a second device in communication with the first device. The second device has at least a first pair and a second pair of antennas.
Signal generation method, transmission device, reception method, and reception device
A signal generation method is used in a transmission device that transmits a plurality of transmission signals from a plurality of antennas at the same frequency and at the same time, in the case where larger power change is performed on a first transmission signal than on a second transmission signal during generation process of the first transmission signal and the second transmission signal, the first transmission signal and the second transmission signal are mapped before the power change such that a minimum euclidian distance between possible signal points for the first signal is longer than a minimum euclidian distance between possible signal points for the second signal.. .
Rotatable transponder system
A transponder system is presented, comprising first and second antenna arrays each comprising a plurality of antenna elements arranged in a predetermined geometry. The antenna elements of the first antenna array are respectively interconnected with corresponding antenna elements of the second antenna array by respective connection lines thereby forming plurality of receiving-transmitting pairs of antenna elements.
Antenna device and manufacturing antenna device
There are included a core 20 formed from a magnetic material; a terminal mounting unit 80 arranged on one end portion side of core 20; a coil 40 which is arranged on the outer circumferential side of core 20 and concurrently which is formed by winding a conductive wire 41; and a plurality of terminal members 70 which are mounted on terminal mounting unit and concurrently which are electrically connected with a terminal end of conductive wire 41 or with an electronic component at any position, wherein at terminal mounting unit 80, there are provided a plurality of mounting grooves 81 for plugging-in terminal members 70.. .
Configurable antenna assembly
An antenna assembly may include a first ground plane, a second ground plane that may be switched between grounding and non-grounding states, and first and second antenna layers. Each of the first and second antenna layers may include a plurality of pixels interconnected by a plurality of phase change material (pcm) switches.
The present invention relates to the communications field, and in particular, to an antenna system. The antenna system includes: a transmit antenna, a receive antenna, a radome above the transmit antenna and the receive antenna, and a reflector within the radome, where a signal received by the receive antenna after a transmitted signal of the transmit antenna is reflected by the reflector offsets an intra-frequency interference signal generated because the transmitted signal of the transmit antenna is directly received by the receive antenna.
Rf duplexer filter module with waveguide filter assembly
An rf duplexer waveguide filter module for the transmission and filtering of tx and rx rf signals comprising a substrate with tx and rx filter assemblies mounted thereon. One or both of the tx and rx filter assemblies comprises an rf waveguide filter assembly including a plurality of blocks of dielectric material coupled together in a side-by-side relationship.
Radio frequency localization
A system for localization of a radio frequency source in a region includes a first plurality of antennas disposed about the region, a second plurality of antennas disposed about the region, a first radio frequency positioning module in communication with the first plurality of antennas and configured to determine a plurality of spatially separated candidate locations in the region for the radio frequency source, a second radio frequency positioning module in communication with the second plurality of antennas and configured to determine a sub-region of the region, the sub-region including the radio frequency source, and a resolution module for identifying a subset of the candidate locations in the sub-region of the region.. .
Solid state optical phased array lidar and using same
By incorporating a large number of antennas, high-resolution far-field patterns can be achieved by an optical phased array, supporting the radiation pattern beam forming and steering needed in solid state lidar, as well as the generation of arbitrary radiation patterns as needed in three-dimensional holography, optical memory, mode matching for optical space-division multiplexing, free space communications, and biomedical sciences. Whereas imaging from an array is conventionally transmitted through the intensity of the pixels, the optical phased array allows imaging through the control of the optical phase of pixels that receive coherent light waves from a single source..
Method and spatial multiplexing in wireless communication system
The present disclosure relates to a communication method and system for converging a 5th-generation communication system to support higher data rates beyond a 4th-generation system with a technology for internet of things (iot). The present disclosure is applied to intelligent services based on the 5g communication technology and the iot-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
Method, system, and device for transmitting preamble signal and for signal measurement
A method, system, and device for transmitting a preamble signal and for signal measurement, for use in solving the problem found in the prior art that the transmission power of each antenna unit is greatly reduced as a result that each antenna unit transmits one preamble signal and that the complexity of a user equipment is increased when the antenna units are of a great number. The method of embodiments of the present disclosure comprises: a network side device transmits to the user equipment determined csi feedback configurations, where one csi feedback configuration corresponds to one csi-rs resource, and the preamble signal corresponding to each port of the one csi-rs resource is transmitted via one set of antenna unit corresponding to the port.
Methods and mapping modulation symbols to resources in ofdm systems
A transmission resource in a time domain subframe is divided into a plurality of equal duration resource elements in a time and frequency domain, the plurality of resource elements are segregated into a plurality of resource regions, information to be transmitted is modulated to generate a sequence of modulation symbols at a transmitter, the sequence of modulation symbols is mapped into the plurality of resource elements in the plurality of resource regions, and the modulation symbols are transmitted via a plurality of antennas using the respective corresponding resource elements to a receiver. The mapping of the modulation symbols in at least one resource region is independent of a certain control channel information that is carried in the time domain subframe, and the mapping of the modulation symbols in at least another resource region is dependent upon that certain control channel information..
Modular antenna array with rf and baseband beamforming
Generally, this disclosure provides systems and methods for a modular antenna array using radio frequency (rf) and baseband (bb) beamforming. A system may include a plurality of antenna modules, each of the antenna modules further including an array of antenna elements coupled to an rf beamforming circuit, the rf beamforming circuit to adjust phase shifts associated with the antenna elements to generate an antenna beam associated with the antenna module; and a central beamforming module coupled to each of the antenna modules, the central beamforming module to control the antenna beam associated with each of the antenna modules and to generate signal adjustments relative to each of the antenna modules, wherein the arrays of antenna elements of the antenna modules combine to operate as a composite antenna beamforming array..
A phased-array transceiver includes: a plurality of antennas; a plurality of transceiving elements respectively coupled to the plurality of antennas; a signal processing block; and a first distributed network, coupled between the signal processing block and the transceiving elements, wherein the transceiving elements, the signal processing block, and the first distributed network are configured as a single chip, and a first transceiving path between one of the plurality of transceiving elements and the signal processing block and a second transceiving path between another of the plurality of transceiving elements and the signal processing block share at least partial signal traces of the first distributed network.. .
Rf receive diplexer
A first rf receive diplexer, which includes a first hybrid rf coupler, a second hybrid rf coupler, and rf filter circuitry, is disclosed. The first hybrid rf coupler has a first main port, a first pair of quadrature ports, and a first isolation port, which is coupled to an rf antenna.
Systems, methods, devices and apparatuses directed to transceiver devices are disclosed. In accordance with one method, a first set of antenna positions in a first section of a set of sections of a circuit layout for the circuit package is selected.
Method for operating a handheld screening device and a handheld screening device
A handheld screening device including: an antenna array including a plurality of antennas; an input mechanism to select an operation mode; and a controller to determine a group of antennas of the plurality of antennas, wherein the number of antennas in the group is based on the selected operation mode, and to control the group of antennas to emit electromagnetic waves. A corresponding method operates the handheld screening device..
Splitter with adaptive power distribution
The invention relates to a splitter of an indoor cellular network, with a plurality of antennas transmitting downlink signals and receiving uplink signals, the splitter distributing power to said plurality of antennas for a transmission of the downlink signals. The splitter adapts the signal power of the downlink signal for one antenna in accordance with the uplink signal received at said antenna..
Telefonaktiebolaget L M Ericsson (publ)
Dynamic transmission antenna reconfiguration in wireless networks
A wireless communication technique includes configuring a first antenna group to transmit common system information, a common reference signal, and data according to a first format and a second format to wireless devices in a cell, configuring a second antenna group to transmit data according to the second format, but no common system information or common reference signals, to wireless devices in the cell and dynamically assigning, based on a network operational status, antennas from a plurality of antennas to either the first antenna group or the second antenna group.. .
Zte Wistron Telecom Ab
Methods and nodes in a wireless communication system
Methods (700, 900) and nodes (110, 120) for transmission of broadcast information, over at least one antenna port, in a subframe, which transmission is received by a receiver (110) in a wireless communication system (100). The broadcast information is transmitted over a set of antenna ports comprising at least one antenna port, in at least one subframe (300) comprising a set of time-frequency resources, wherein a cell-specific reference signal, crs, is not transmitted in each subframe (300).
Huawei Technologies Co., Ltd.
Method and device for testing performance of wireless terminal
A method and a device for testing a performance of a wireless terminal and a computer readable storage medium are provided. The wireless terminal is placed in a first anechoic chamber and comprises m antennas, where m is a positive integer greater than 1.
General Test Systems Inc.
Antenna system for a broadband access to airborne platforms
A system for broadband access to airborne platforms is described. The system includes: a ground station with a number of antenna panels, each antenna panel having two polarizations; the ground station having multiple modems connected to the different antenna panels and a processor controlling the modems; and the aircraft equipment comprising of a modem attached to an antenna with two polarizations..
Antenna distribution controller
An antenna distribution controller including a plurality of antenna connectors, at least one device connector, an antenna switching circuit and a controller is provided. The antenna connector is configured to connect an external antenna.
Wistron Neweb Corp.
Compact radio frequency antenna apparatuses
Antenna assemblies are described herein. In particular, described herein are multi-focal-point antenna devices and compact radio frequency (rf) antenna devices.
According to various aspects, exemplary embodiments are disclosed of antenna assemblies. In an exemplary embodiment, an antenna assembly generally includes a feed network and a ground plane.
Laird Technologies, Inc.
System for and rapidly determining true bearings of radio frequency identification (rfid) tags associated with items in a controlled area
An rfid tag reading system and method accurately and rapidly determine true bearings of rfid tags associated with items in a controlled area. An rfid reader has an array of antenna elements and a plurality of rf transceivers.
Symbol Technologies, Inc.
Z-segmented radio frequency antenna device for magnetic resonance imaging
The present invention provides a radio frequency (rf) antenna device (140) for applying an rf field to an examination space (116) of a magnetic resonance (mr) imaging system (110), whereby the rf antenna device (140) is provided having a tubular body, the rf antenna device (140) is segmented in its longitudinal direction (154), and each segment (162, 164) is provided with at least one activation port. The result is that each mode, corresponding to an activation port, may be controlled individually.
Koninklijke Philips N.v.
Radio frequency (rf) birdcage coil with separately controlled ring members and rungs for use in a magnetic resonance (mr) imaging system
A radio frequency (rf) antenna device (40) for applying an rf field to an examination space (16) of a magnetic resonance (mr) imaging system (10), the rf antenna device (40) comprising a plurality of rungs (42, 44) arranged substantially parallel and in an azimuthally substantially equally spaced relationship along an outside of a virtual cylinder (50) with a cylinder axis (52) running parallel to main directions of extension (48); at least one transversal antenna member (54) electromagnetically coupled to at least one rung (42, 44) of the plurality of rungs (42, 44), wherein the at least one transversal antenna member (54) is arranged within a plane substantially perpendicular to the main directions of extension (48) of the plurality of rungs (42, 44); and a plurality of rf circuitries (62, 64, 66), wherein at least one rf circuitry (62, 64, 66) is provided for each rung (42, 44) of the plurality of rungs (42, 44) for mutual decoupling and for individually feeding rf power into and for the at least one transversal antenna member (54) for individually feeding rf power into.. .
Koninklijke Philips N.v.
Method and transmitting or receiving reference signal in wireless communication system
A method for transmitting a second demodulation reference signal added to support an additional antenna port (referred to as a “second antenna” hereinafter) in a downlink subframe having an extended cyclic prefix (cp), in which a resource (referred to as a “first resource pattern” hereinafter) to which a first demodulation reference signal will be mapped is configured, through a predetermined number of antenna ports (referred to as a “first antenna” hereinafter) in a wireless communication system includes: specifying positions of resources to which a channel state information reference signal (csi-rs) is mapped in subframe(s) in which the csi-rs is not transmitted and a subframe in which the csi-rs is transmitted on the basis of csi-rs configuration information; selecting a resource (referred to as a “second resource pattern” hereinafter) to which the second demodulation reference signal will be mapped from resources of the subframe(s) in which the csi-rs is not transmitted, the resources corresponding to the positions of the resources to which the csi-rs is mapped; and mapping the second demodulation reference signal to the second resource pattern.. .
Lg Electronics Inc.
Resource allocation techniques for device-to-device (d2d) communications
Resource allocation techniques for d2d communications are described. In one embodiment, for example, user equipment may comprise one or more radio frequency (rf) transceivers, one or more rf antennas, and logic, at least a portion of which is in hardware, the logic to receive a d2d control information (d2dci) message comprising d2d transmission pattern (dtp) information, identify a set of d2d transmission resources based on the dtp information, and send one or more d2d data messages using the set of d2d transmission resources.
High frequency gps gnn glonass antenna
An antenna for receiving global positioning signals may include a first antenna section and a second antenna section adjacent to the first antenna section to form a row of antenna sections. The first antenna section may be connected to a first and second terminal to connect to a connecting plate..
Uhf rfid reader with improved antenna system
The present invention relates to a rfid reader with an antenna system for emitting and receiving rfid signals. The antenna system includes at least a first inverted f antenna and a second inverted f antenna each having a feed element, a radiating element with a first end coupled to the feed element and a second end free, and a tuning element having a first end coupled to the ground plane and a second end coupled to the first end of the radiating element.
Antenna apparatus, radar apparatus and on-vehicle radar system
An antenna apparatus includes a substrate, a first antenna, and a second antenna. The substrate includes two or more pattern-forming layers which are layered via at least one insulating layer.