|| List of recent Antenna-related patents
| Monitoring and analysis of power system components|
Various methods and systems are provided for monitoring and analysis of electrical components. In one embodiment, a method includes obtaining raw radio frequency (rf) component data associated with an electrical component, cross-correlating the raw rf component data with a synchronized pseudo-random sequence (prs) signal injected into the electrical component to determine a correlated impulse response, and determining a condition of the electrical component based at least in part upon the correlated impulse response.
| Systems and methods for providing improved tcas bearing measurement|
Systems and methods for improving bearing accuracy in a traffic collision avoidance system (tcas) environment. An interrogation signal is transmitted from an array of antenna elements.
| Wireless endoscopic camera|
A system and method for wirelessly transmitting a video image signal from an endoscopic camera to a receiver or control unit for storage and/or display on a video monitor. Use of a frame-specific, variable compression algorithm capable of progressively encoding a data stream provides for a better performing and higher quality wireless endoscopic camera system capable of generating images at varying resolutions.
| Mobile wireless communications device with slidable configuration providing hearing aid compatibility features and related methods|
A mobile wireless communications device is for a user wearing an electronic hearing aid adjacent an ear of the user and may include an upper housing and a lower housing being slidably connected together for sliding between a retracted position and an extended use position. An audio output transducer may be carried by the upper housing and accessible to the hearing aid of the user adjacent a top end of the upper housing, and an audio input transducer may be carried by the lower housing and accessible to a mouth of the user adjacent a bottom end of the lower housing.
| Wireless communication system, communication method, and base station|
It is provided a wireless communication system comprising a terminal device and a base station. The terminal device includes a plurality of wireless transmitters, an antenna coupled to each of the wireless transmitters, and a controller generating a signal to be transmitted from the antenna.
| Facilitation of determination of antenna location|
Assisted global positioning system (agps) information is retrieved from mobile devices and employed to facilitate antenna location. Measurement information, including agps information, can be received from a plurality of mobile devices dispersed over a geographical region.
| Method and base station for managing capacity of a wireless communication network|
The present invention provides a method and a base station for managing capacity of a wireless communication network, which relates to the field of wireless communications and is capable of saving energy while adjusting capacity of a wireless communication network of a base station. The present invention includes: checking total traffic of all overlay networks belonging to the base station; if the checked total traffic keeps being lesser than a preset load threshold, searching for and determining a first overlay network; maintaining normal work of a power amplifier of at least one antenna in each group of antennas in the first overlay network and turning off power amplifiers of one or more other antennas; and connecting the one or more other antennas to the power amplifiers maintaining normal work in the groups in which the one or more other antennas are located..
| Handover for an intermediate node in a wireless communication network|
The present invention relates to an intermediate node which is arranged to relay information between a donor node and at least one served node, and comprises a served antenna arrangement that communicates by means of at least a first and second electrically steerable antenna radiation lobe. During a first mode of operation, all antenna radiation lobes are directed towards a first donor node.
| Method & system for cellular network load balance|
Embodiments of the present invention include a system and methods by which a central or distributed radio resource controller uses current and past measurements of the occupancy and radio channel utilization of clusters of radio-proximate cells to identify when load balancing is performed for a given cluster. A filter may be applied to the data to identify load balancing opportunities.
| Airliner-mounted cellular base station|
An aircraft-mounted base transceiver station (mbts) for providing intermittent coverage in a cellular radio network. The mbts utilizes the existing protocol of its terrestrial counterparts, thereby avoiding dual-mode devices and enabling common usage of terminal monitoring and device management systems for devices connected to a single radio access network even when outside terrestrial coverage areas.
| Multi-antenna/multi-receiver array diversity system|
The present invention is a system for increasing signal-to-noise ratio (snr) in a wireless communication system comprising a plurality of antennas each antenna providing a signal, a device for selecting a subset of signals provided by the plurality of antennas, a maximum ratio combiner for summing the selected subset of signals provided by the plurality of antennas, and a decision device for measuring the selected subset of signals against a predefined threshold. The device for selecting the subset of signals is coupled to the plurality of antennas.
| Dynamic impedance matching in wireless communications|
Aspects of a method and system for lna adjustment to compensate for dynamic impedance matching are provided. In this regard, an antenna matching network may be configured to maximize received signal strength for a determined frequency and an amplifier gain may be adjusted based on the maximized signal strength such that output levels of the amplifier are between specified limits.
| Electrically small, super directive antennas|
An electrically small receiver system is provided. The receiver system includes a plurality of antennas and a signal processing circuit.
| Mobile communications device including an rf transmitter providing impedance fluctuation dampening and related methods|
A mobile communications device may include an re signal source configured to generate rf signals over an re frequency band(s), and an rf transmitter coupled to the re signal source. The rf transmitter may include an rf amplifier configured to operate over a plurality of different power control levels.
| Wireless communication device|
A wireless communication device includes an antenna, a transceiver, a filter circuit and an attenuation circuit. The transceiver includes a transmission electrode and a receive electrode, and communicates with an external device through the antenna.
| Determining a delivered power estimate and a load impedance estimate using a directional coupler|
A wireless device configured for optimizing a delivered power is described. The wireless device includes a filter duplexer or switch coupled to a transmitter and a receiver.
| Sensing proximity utilizing a wireless radio subsystem|
In particular embodiments, a wireless communications device includes an rf transceiver, a plurality of antennas coupled to the transceiver, and processing circuitry. The device may transmit an rf reference signal using the rf transceiver.
| Beamformer configurable for connecting a variable number of antennas and radio circuits|
A reconfigurable rf routing module may include m rf inputs and n rf outputs, wherein m is greater than n; a plurality of rf switches arranged to select between incoming rf signals; a plurality of rf combiners arranged to combine rf signals to a single rf signal; and a plurality of rf couplers, each associated with a transfer switch and a specified attenuation, wherein the specified attenuation of each one of the plurality of rf couplers is selected so that the rf inputs of each one of the plurality of the rf combiners are combined in a balanced manner, wherein the switches, the combiners, and the rf couplers are configured to route any of 1 to m of the inputs into each of the n outputs.. .
| True stereo wireless headset and method|
A headset is disclosed having a transmitting unit for each ear. Each unit (2) mounts a first bone vibration sensor (3) in the external auditory canal and a second bone vibration sensor (7) next to the jawbone/skull.
| Network of electronic devices assembled on a flexible support and communication method|
An embodiment of a network of electronic devices is formed on a flexible substrate by a plurality of electronic devices assembled on the flexible substrate. The electronic devices have an embedded antenna for mutual coupling of a wireless type.
| Location proofs|
A wireless computing device includes an antenna that is configured to transmit and receive wireless signals. The wireless computing device comprises a transmitter component that causes a first wireless signal to be transmitted to a wireless access point via the antenna, wherein the first wireless signal comprises a request for a location proof, wherein the request for the location proof comprises data that identifies the wireless computing device, and wherein the location proof comprises data that is indicative of a geographic location of the wireless access point.
| Matched filtered data samples processing|
The invention relates to apparatuses, methods, a system, computer programs, computer program products and computer-readable media. Matched-filtered samples are conveyed instead of antenna samples, so that data rates in the interface between a remote radio head and the bts or base band hotel may be lower.
| Using 3g/4g baseband signals for tuning beamformers in hybrid mimo rdn systems|
A hybrid mimo rdn 3g/4g receiving system which include m antennas for n mimo branches, wherein m>n is provided herein. Each branch has a beamformer so that each of the beamformers includes at least one combiner configured to combine signals coming from the antennas coupled to a respective beamformer into a combined signal.
| Using antenna pooling to enhance a mimo receiver augmented by rf beamforming|
A system having a multi-layer (multi-stream) multiple-input-multiple-output (mimo) receiving system, having a mimo baseband module and a radio distribution network (rdn) connected to the mimo receiving system. The rdn has two or more beamformers that are fed by two or more antennas, so that a total number of antennas in the system are greater than the number of branches of the mimo baseband module.
| Methods, apparatuses, and systems for radio frequency management between devices|
A peripheral electronic device (106) can be equipped with a coupler, which in one embodiment is a mechanical coupler (136). A radio-frequency interface (108) allows a radio-frequency transceiver (110) of one electronic device to take advantage of one or more antennas (1101,1102,1103,1104) disposed within the peripheral electronic device (106).
| Beamforming and/or mimo rf front-end|
An rf front-end includes a transmit adjust module, a pa module, an antenna coupling circuit, a lna module, and a receive adjust module. The transmit adjust module adjusts coordinates of up-converted analog signals when in a first transmit mode and adjusts coordinates of a plurality of up-converted analog signals when in a second transmit mode to produce to produce multiple adjusted up-converted signals and a plurality of adjusted up-converted signals, respectively, which are subsequently amplified by the pa module.
| Transmission method and transmission apparatus|
Of any one of a transmission method x of transmitting modulated signal a and modulated signal b including the same data from a plurality of antennas and a transmission method y of transmitting modulated signal a and modulated signal b having different data from the plurality of antennas, a base station apparatus does not change the transmission method during data transmission and changes only the modulation scheme. The base station apparatus transmits modulated signal a and modulated signal b to a communication terminal apparatus using the determined transmission method and modulation scheme.
| Method and apparatus for antenna tuning and transmit path selection|
Certain aspects of the present disclosure propose a method and an apparatus for antenna tuning and transmit path selection in an rf system. A method may include antenna diversity path selection by (optionally) diagnosing damaged antennas, tuning antennas, and selecting an antenna with better performance.
| Beamformer phase optimization for a multi-layer mimo system augmented by radio distribution network|
A system for selecting optimal phase combinations for rf beamformers in a mimo hybrid receiving systems augmented by rf distribution network. The system addresses the issue of providing beamforming gains for a plurality of layers using one common set of weights for each beamformer.
| System and method for distinguishing between antennas in hybrid mimo rdn systems|
A system for distinguishing between any one of a plurality of antennas in a multiple-input-multiple-output (mimo) system having an augmented number of antennas is provided herein. The system includes a mimo receiving system having n branches and configured to operate in accordance with a channel estimation mimo receiving scheme; a radio distribution network (rdn) connected to the mimo receiving system, the rdn comprising at least one beamformer, being fed by two or more antennas, so that a total number of antennas in the system is m, wherein m is greater than n, wherein each one of the beamformers include a combiner configured to combine signals coming from the antennas into a single signal; and at least one antenna distinguishing circuitry, each associated with a respective beamformer, wherein the antenna distinguishing circuitry is configured to distinguish between the signals coming from the antennas which feed the respective beamformer..
| System and method for discrete gain control in hybrid mimo/rf beamforming|
A system for selectively and discretely amplifying or attenuating antennas in a hybrid multiple-input-multiple-output (mimo) radio distribution network (rdn) receiving system is provided herein. The system includes a mimo receiving system comprising a mimo baseband module having n branches; an rdn connected to the mimo receiving system, the rdn comprising at least one beamformer fed by two or more antennas, so that a total number of antennas in the system is m, wherein m is greater than n, wherein each one of the beamformers include a passive combiner configured to combine signals coming from the antennas coupled to a respective beamformer into a combined signal, wherein the at least one beamformer is further configured to selectively amplify or attenuate in discrete steps, one or more of the signals coming from the m antennas, based on qualitative metrics measured by the mimo baseband module..
| Systems and methods for enhanced rf mimo system performance|
A system for enhancing performance of a multiple-input-multiple-output (mimo) receiving system is provided. The performance enhancement system includes a mimo receiving system having n branches and is configured to operate in accordance with one or more legacy mimo receiving classes, types and schemes; a radio distribution network (rdn) connected to the mimo receiving system and including one or more beamformers, wherein at least one of the beamformers is being fed by two or more antennas so that a total number of the antennas in the system is m which is larger than n; and a control module configured to tune the one or more beamformers based on legacy mimo signals derived from the mimo receiving system in various methods depending on the mimo class/type, so that the rdn adds gain and antenna directivity to the mimo receiving system..
| Implementing blind tuning in hybrid mimo rf beamforming systems|
A system and a method for applying a blind tuning process to m antennas coupled via n beamformers to a multiple input multiple output (mimo) receiving system having n channels, wherein m>n, are provided herein. The method includes the following steps: periodically measuring channel fading rate at a baseband level to determine the number of antennas l out of k antennas connected to each one of the beamformers, to be combined at each one of the n beamformers; assigning the antennas to the subset l according to some criteria such as best quality indicator; repeatedly applying a tuning process to l antennas in each one of the n beamformers..
| Antenna selection technique for fast diversity|
A fast diversity technique using either an eesm or a capacity computation can determine antenna selection in a wireless communication device. A fast fourier transform (fft) for the eesm/capacity computation can be performed with consecutive samples of a single symbol period of a short training field (stf) of a packet received by each antenna.
| Method of detecting a direction of arrival of at least one interference signal and system to carry out said method|
A method of detecting a direction of arrival of at least one interference signal interfering a wanted signal in a plurality of received signals involves receiving, by a number of antennas of an antenna array, a number of signals, identifying an interference signal in the received signals, applying a beam forming signal processing technique to the identified interference signal, and detecting the direction of arrival from the results of the beam forming signal processing.. .
| Mobile communications devices and methods having reduced communication latency|
An improved mobile communications device, of the type having a set of antennas and a narrowband rf transceiver coupled to a first member of the set of antennas, also includes a broadband rf receiver coupled to a second member of the set of antennas; and processing circuitry, coupled to the narrowband rf transceiver and the broadband rf receiver, that uses a received signal from the broadband receiver to determine a communication parameter for the narrowband rf transceiver. Related methods are also provided..
| Wireless communications system, wireless communications apparatus, wireless communications method and computer program for wireless communication|
In performing svd-mimo transmission, a set-up procedure is simplified while assuring a satisfactory decoding capability with a reduced number of antennas. A transmitter estimates channel information based on reference signals sent from a receiver, determines a transmit antenna weighting coefficient matrix based on the channel information, calculates a weight to be assigned to each of components of a multiplexed signal, and sends, to the receiver, training signals for respective signal components, the training signals being weighted by the calculated weights.
| Wireless communication system, wireless communication apparatus, and wireless communication method|
A wireless communication system is disclosed. The wireless communication system performs data transmission using spatially multiplexed streams from a first terminal including n antennas to a second terminal including m antennas (n and m are integers larger than or equal to 2 and n>m)..
| Transmission method and apparatus in a wireless communication system|
A transmission method and apparatus are provided for use in a wireless communication system in which a cell includes a plurality of sub-cells. A transmission point (tp) in the wireless communication system includes a transmitter configured to transmit a signal to each of the plurality of sub-cells through a plurality of antennas; a receiver configured to receive uplink control information from a user equipment (ue) located within at least one of the plurality of sub-cells; and a controller configured to determine a virtual matrix for each of the plurality of sub-cells, to select a precoding matrix according to the virtual matrices of the plurality of sub-cells, to determine a cooperative transmission mode or a normal transmission mode, based on the received uplink control information, and to control the transmitter to perform downlink transmission on a sub-cell basis through the virtual matrices of the sub-cells according to the determined transmission mode..
| Method and apparatus for efficient feedback in wireless communication system supporting multiple antennas|
The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for efficient feedback in a wireless communication system that supports multiple antennas. According to one embodiment of the present invention, a method for transmitting channel status information, csi, for a downlink transmission through uplink comprises: generating a rank indicator (ri), a first precoding matrix indicator (pmi), a second pmi anc channel quality indicator (cqi) as the csi for the downlink transmission; and transmitting at least one of the ri, the first pmi, the second pmi and the cqi according to a predetermined order, wherein, when the ri or the first pmi is dropped, the csi following the dropped csi is generated based on a ri or a first pmi transmitted previously, wherein a precoding matrix used for the downlink transmission is determined based on a combination of the first pmi and the second pmi..
| Reducing interference caused by an atmospheric duct in a mobile communication system|
A base station (14) in a mobile communication system operating according to a synchronised time division scheme comprises an antenna (26), a radio communication unit (24) for communicating with mobile stations of the system and an interference investigating unit (28) comprising a link quality measuring element (30), which obtains link quality measurements that are measured in the base station during uplink communication (ul) between at least one mobile station and the base station, a link quality evaluation element (32) that compares link quality measurements of at least one uplink channel with a link quality threshold and determines that the uplink channel is interfered by another base station if the link quality threshold is exceeded, a base station identifying element (34) that identifies the other base station via signals broadcast by the other base station and an interference limiting element (36) configured to perform an interference limitation activity based on the identification.. .
| Mimo channel state information estimation with coupled iterative two-stage ranking|
A plurality of wireless channels link a transmitter and a receiver, each channel corresponding to a different transmit-receive antenna pair. Channel state information is estimated for the plurality of wireless channels by grouping the plurality of channels into one or more groups, each group including the channels associated with two or more collocated transmit and/or receive antennas.
| Uplink channel sounding and channel state information estimation in mobile communication systems with multiple antennas|
A system includes a base station configured to communicate with a plurality of mobile stations. The base station transmits downlink timing synchronization and establishes frequency synchronization with at least one of the plurality of mobile stations.
| Electronic device|
A small electronic device enables improving transmission and reception performance with stable operation. An example of the electronic device is an electronic wristwatch having a display; a circuit board disposed on one side of the display; an antenna is disposed on the opposite side of the circuit board as the display, and includes a dielectric layer, a ground conductor disposed on one side of the dielectric layer, and a radiating conductor disposed on the other side of the dielectric layer.
| Portable wireless device|
An antenna includes two elements having an antenna element which resonates by a frequency f1 and a ground wire element which resonates by a frequency f2 higher than the frequency f1. The antenna element is directed so that an antenna radiation part is located to be substantially parallel to a surface of a casing on which an operating part is provided.