Class / Patent application number | Description | Number of patent applications / Date published |
342377000 | Including a computer | 44 |
20080211717 | Phased Array Transmitting Antenna - An arrangement for beam forming and control of a transmitter radiating in the RF range comprises an input for feeding the RF transmitting signal RF | 09-04-2008 |
20080224929 | METHOD FOR PRODUCING WAVEFRONTS AT A DESIRED ANGLE - An apparatus and method is described for generating an electromagnetic, or acoustic field by use of a number of field sources in order to produce a field anomaly at a known target location. The field anomaly is characterized by having a wavefront at the target location that has a predetermined desired orientation so that at the target location the field appears to emanate from a different direction to that perceived at field locations away from the target. | 09-18-2008 |
20080238775 | Beamformed Space Time Code Communication with Testing Spatial Signature Generation - An apparatus, logic and method are provided to improve beamformed space time code (STC) wireless communication. A first device comprising a plurality of antennas receives signals at the plurality of antennas transmitted from a first antenna of a second device. A testing spatial signature for a second antenna of the second device is computed based on the signals received at the plurality of antennas of the first device from the first antenna of the second device. Using the testing spatial signature and the signals received at the plurality of antennas of the first device from the first antenna of the second device, beamforming weights are computed to be applied to a space time code signal to be transmitted from the first device to the second device via the plurality of antennas of the first device. | 10-02-2008 |
20080297416 | Method and System for Accelerating the Computation of Adaptive Weights Using Matrix Inverse Calculations - A system and method is provided for performing matrix inverse functions, for example, for use within Space-Time Adaptive Processing (STAP). The methods use parallelism of a Forward/Backward substitution algorithm in two dimensions to increase a speed of execution of the matrix inverse function. Sampled data is combined with steering vector values, which direct antennas in a desired direction in the absence interference, in order to determine adaptive weights used within filters to remove unwanted energy in the sampled data due to jammers, clutter or other interference. The adaptive weights are recursively computed, using stored values of previously calculated adaptive weights and other factor coefficients derived from the sampled data. | 12-04-2008 |
20080303719 | ANTENNA ARRAY INCLUDING VIRTUAL ANTENNA ELEMENTS - A method and associated system for effectively increasing the number of antenna elements within a multi-element antenna system through computation of a response of “virtual” antenna elements located along an antenna array. The physical elements of the array are positioned sufficiently near each other to enable synthesis of a polynomial or other mathematical expression characterizing the response of the array to receipt of an incident waveform. Values of the responses associated with the virtual antenna elements of the array may then be determined through evaluation of the synthesized polynomial or other expression. The resultant array response values associated with the virtual and physical elements of the array are then provided to an associated receiver for processing. | 12-11-2008 |
20080316102 | Transmitter and Receiver-Side Processing of Signals Transmitted or Received with a Smart Antenna - For transmitter-side processing of information it is decided in which direction of transmission signals for a receiver are to be transmitted, the direction of transmission being a linear combination of one of a number of antenna directional diagrams corresponding to a first plurality. In a baseband processing section (REC), a number of antenna directional diagram signal sequences (X( | 12-25-2008 |
20090015478 | TECHNIQUES FOR RECEIVER BEAMFORMING AND YIELDING-THRESHOLD ADJUSTMENTS IN PEER-TO-PEER NETWORKS - To mitigate interference between multiple peer-to-peer devices, transmitter yielding and/or receiver yielding may be performed among devices operating in a peer-to-peer network. Generally, a transmitter device will yield communications on a time slot to a higher priority transmitter device if it will cause unacceptable interference to a higher priority receiver device. Likewise, a receiver device may yield use of the time slot if interference is unacceptably high. Both transmitter and receiver yielding may be improved by use of beamforming at a receiver device. By utilizing beamforming information to make the transmitter and/or receiver yielding decisions, better interference mitigation may be achieved. | 01-15-2009 |
20090046011 | Method and Apparatus for Calibration for Beamforming of Multi-Input-Multi-Output (MIMO) Orthogonol Frequency Division Multiplexing (OFDM) Transceivers - An embodiment of the present invention includes a calibration system employed in a multi-input-multi-output (MIMO) system for beamforming and receiving a plurality of streams. The system includes a first calibration circuit responsive to inphase (I) and quadrature (Q) pairs of stream and operative to calibrate each I and Q pair and a second calibration circuit responsive to the calibrated I and Q pairs for all streams, wherein the first and second calibration circuits perform calibration in the time domain. | 02-19-2009 |
20090046012 | SYSTEM AND METHOD FOR TRAINING THE SAME TYPE OF DIRECTIONAL ANTENNAS THAT ADAPTS THE TRAINING SEQUENCE LENGTH TO THE NUMBER OF ANTENNAS - Systems and methods of training antennas for two devices equipped with phased array antennas in a wireless network are disclosed. In one embodiment, the methods include transmitting a plurality of estimation training sequences from a transmit phased array antenna to a receive phased array antenna, wherein a length of at least one of the plurality of training sequences is adapted to a number of antenna elements at one of the transmit and receive phased array antennas. The methods further include transmitting data to the receive phased array antenna via the transmit phased array antenna tuned with a transmit beamforming vector (BV) selected based at least in part on the plurality of estimation training sequences. | 02-19-2009 |
20090102716 | SYSTEM AND METHODS FOR RADAR AND COMMUNICATIONS APPLICATIONS - A system and methods for radar and communications applications. In one embodiment the present system comprises a wireless, space-fed, phased array of antennas including a plurality of unit cells. A first one of the unit cells includes a first one of the antennas and a unit cell command interpreter configured to receive a command, determine whether the command is intended for the first unit cell, and relay the command to logic for enabling a phase shift controller of the first antenna. In one embodiment the present methods comprise the step of wirelessly beaming microwave power from a power and control beam transmit unit to illuminate a wireless, space-fed, phased array of antennas including a plurality of unit cells. The method further comprises the steps of beaming a command to the array and converting the microwave power into direct current within a first one of the unit cells. The first unit cell includes a first one of the antennas. The method further comprises the steps of supplying the direct current to components of the first unit cell to power the first unit cell, receiving the command within the first unit cell, determining whether the command is intended for the first unit cell, and relaying the command to logic for enabling a phase shift controller of the first antenna. | 04-23-2009 |
20090121935 | SYSTEM AND METHOD OF WEIGHTED AVERAGING IN THE ESTIMATION OF ANTENNA BEAMFORMING COEFFICIENTS - A system and method of training transmit or receive antenna array is disclosed. The method includes: a) entering an antenna training mode, b) receiving a training sequence to form a channel matrix (Q), c) constructing an updated receive beamforming vector (w) via a weighted averaging method, the weighted averaging comprising: | 05-14-2009 |
20090121936 | Adaptive antenna beamforming - Adaptive antenna beamforming may involve a maximum signal-to-noise ratio beamforming method, a correlation matrix based beamforming method, or a maximum ray beamforming method. The adaptive antenna beamforming may be used in a millimeter-wave wireless personal area network in one embodiment. | 05-14-2009 |
20090195455 | Apparatus and method for beamforming in a multi-antenna system - An apparatus and method for beamforming in a multi-antenna system are provided. The method includes assuming at least one codeword comprised in a codebook as a precoding weight of a reference receive end and generating post-processing weights of at least two receive ends, confirming a codeword maximizing a sum rate using the post-processing weights, generating preceding weights of the receive ends using the codeword maximizing the sum rate, and precoding a transmit signal using the generated precoding weights and transmitting the precoded transmit signal to each receive end. | 08-06-2009 |
20090207078 | Beam steering in a MIMO system - Method, apparatus, associated computer programs, and signals for channel identification in Multiple-Input Multiple-Output (MIMO) communications systems, and in particular wireless communications systems. The channel derivation method uses steering of mutually orthogonal beamformers at the transmitter end to allow direct identification, whether by selection or mathematical computation, of the channel matrix and hence the preferred transmit beam orientations. | 08-20-2009 |
20090219208 | DIGITAL BEAM FORMING USING FREQUENCY-MODULATED SIGNALS - The present invention relates to a method for angular determination and/or for increasing the angular resolution or a detectable angular range when operating antenna groups using the technique of digital beam forming (DBF), as well as a device for carrying out the method. In the method, a measurement signal with a carrier signal and a frequency-modulated signal component are received via at least one antenna group directly or after reflection on one or several objects. The angle, at which the measurement signal is received, is determined by evaluating a phase difference in the received measurement signal which occurs between adjacent antenna elements of the antenna group. The method is characterised in that for determining the phase difference the frequency-modulated signal component is also evaluated, exclusively or additionally to an evaluation of the carrier signal. As a result of the method and the device, the angular resolution and/or the angular range which is detected in an unambiguous manner may be increased in a cost-effective manner with digital beam forming. | 09-03-2009 |
20090231197 | DIGITAL BEAMFORMING ANTENNA AND DATALINK ARRAY - A method and system for beamforming a multi-element array using time delays is provided. The array includes transmit array elements and receive array elements. Each of the array elements includes a processor. Modulation and demodulation functions are performed at the processors of each array element. The modulation and demodulation functions utilize receive time offsets and phase shifts, and transmit time offsets and phase shifts, respectively. The receive time offsets and phase shifts, and the transmit time offsets and phase shifts are determined by a central processing unit in order to beamform received signals and transmitted signals, respectively. The array elements are arranged in a daisy chain fashion in order to facilitate communication of control parameters, communication of bits to be transmitted and distributed combining of demodulated baseband samples from one array element to another and communicating the combined samples to the central processing unit. | 09-17-2009 |
20090251370 | Apparatus, method, computer program product and computer program distribution medium - The invention is related to an apparatus comprising: at least one generator configured to provide a plurality of signals comprising at least partially correlated noise; and a circuitry configured to convey the signals comprising at least partially correlated noise to a plurality of nonadjacent antenna array elements. | 10-08-2009 |
20090256748 | WIRELESS DISTRIBUTION OF DATA AND CONTROL - A phased array system having a plurality of array elements, a beam steering computer; at plurality of attenuation and phase control elements for controlling attenuation and phase of energy passing through such attenuation and phase control elements, and a feed network for feeding phase and attenuation data to the plurality of attenuation and phase control elements. The feed network includes at least one slave, wireless receive unit connected to a corresponding one of the plurality of attenuation and phase control elements; and a master wireless transmit unit coupled to the beam steering computer and in wireless communication with the at least one of the plurality of slave, wireless receive units, for transmitting the phase and attenuation data from the beam steering unit to the at least one of the plurality of attenuation and phase control elements. The slave wireless receive unit and the master transmit unit are a spread spectrum communication system. The one slave wireless receive unit and the master transmit unit are Bluetooth units. | 10-15-2009 |
20090278743 | BEAM FORMING SYSTEM AND METHOD FOR BEAM FORMING - A beam forming method of a radio network controller includes receiving information related to beam forming, calculating a distance between the mobile terminal and a base station and velocity of the mobile terminal based on the information related to beam forming, determining whether to perform beam forming, and allocating second scrambling codes (SSCs) to sectors of a base station cell while performing beam forming. One SSC is allocated to only the sector in which the mobile terminal is located. A beam forming system to perform the method includes an information receiving unit to receive information related to beam forming, a position calculation unit to determine distance to and velocity of the mobile terminal, a beam forming determining unit, and a beam forming processing unit to allocate the SSCs to sectors while performing the beam forming. | 11-12-2009 |
20090284416 | System and Method for Configurable Information Handling System Wireless Network Antenna - An information handling system interacts with plural classes of wireless communications devices having plural frequency bands with integrated wireless components having a common antenna. The antenna has plural segments that selectively interface with the wireless components to form antenna configurations associated with the frequency bands. For example, a grid of antenna segments formed on an integrated circuit selectively interface the segments with wireless components by switching on and off an interface between the wireless components and the segments. In one embodiment, the segments are selected and deselected to form desired antenna configurations with MEMS devices disposed as an array in the grid of segments. | 11-19-2009 |
20090322614 | ORTHOGONAL/PARTIAL ORTHOGONAL BEAMFORMING WEIGHT GENERATION FOR MIMO WIRELESS COMMUNICATION - Techniques are provided for computing beamforming weight vectors useful for multiple-input multiple-output (MIMO) wireless transmission of multiple signals streams from a first device to a second device. The techniques involve computing a plurality of candidate beamforming weight vectors based on the one or more signals received at the plurality of antennas of the first device. A sequence of orthogonal/partially orthogonal beamforming weight vectors are computed from the plurality of candidate beamforming weight vectors. The sequence of orthogonal/partially orthogonal beamforming weight vectors are applied to multiple signal streams for simultaneous transmission to the second device via the plurality of antennas of the first device. | 12-31-2009 |
20100039325 | ANTENNA ARRAY INCLUDING VIRTUAL ANTENNA ELEMENTS - A method and associated system for effectively increasing the number of antenna elements within a multi-element antenna system through computation of a response of “virtual” antenna elements located along an antenna array. The physical elements of the array are positioned sufficiently near each other to enable synthesis of a polynomial or other mathematical expression characterizing the response of the array to receipt of an incident waveform. Values of the responses associated with the virtual antenna elements of the array may then be determined through evaluation of the synthesized polynomial or other expression. The resultant array response values associated with the virtual and physical elements of the array are then provided to an associated receiver for processing. | 02-18-2010 |
20100060523 | ADAPTIVE ARRAY ANTENNA APPARATUS AND ADAPTIVE CONTROL METHOD THEREFOR - An adaptive away antenna apparatus having an array antenna which includes a plurality of antenna elements, wherein a received signal received by each of the antenna elements is weighted by a weighting factor, and then the received signals of the antenna elements are synthesized to be output as a synthesized signal. The apparatus includes a weighting-factor computing device for computing a weighting factor assigned to the received signal of each antenna element by using adaptive control; and an adaptive-control varying device for varying the adaptive control used by the weighting-factor computing device, in accordance with the number of times the computation is performed by the adaptive-control varying device with respect to the weighting factor. The adaptive-control varying device varies the adaptive control by decreasing the rate of update with respect to the weighting factor in accordance with the number of times the computation is performed. | 03-11-2010 |
20100123625 | COMPENSATION OF BEAMFORMING ERRORS IN A COMMUNICATIONS SYSTEM HAVING WIDELY SPACED ANTENNA ELEMENTS - Systems and methods for operating a communications system. The methods involve computing one or more complex weights to be applied to transmit signals and receive signals by beamformers. The complex weights are based at least on configuration data for the communications system. The methods also involve applying a first plurality of weight corrections to the complex weights based on phasing errors occurring in a communication path inclusive of a control system and antenna elements. The methods further involve applying a second plurality of weight corrections to the complex weights based on phase differences at the antenna elements relative to a reference location for the receive signals. | 05-20-2010 |
20100149039 | MULTI-ANTENNA BEAM-FORMING SYSTEM FOR TRANSMITTING CONSTANT ENVELOPE SIGNALS DECOMPOSED FROM A VARIABLE ENVELOPE SIGNAL - Embodiments in the present disclosure pertain to a multi-antenna beam-forming system for transmitting constant envelope signals decomposed from a variable envelope signal. The variable envelope signal is decomposed into two constant envelope signals. Each of the constant envelope signals are separately amplified by power amplifiers and transmitted over separate antennas. Beam steering delays can be added to the transmit paths of the constant envelope signals to direct the beam to the location of a receiver. The transmitted constant envelope signals combine through spatial out-phasing such that a receiving antenna receives a variable envelope signal. | 06-17-2010 |
20100164805 | Arrangements for beam refinement in a wireless network - A beamforming method is disclosed that includes performing sequential beam transmissions in multiple directions and receiving replies to the transmissions (i.e. a sector search). The received transmissions can include information or channel parameters such as direction of arrival, signal to noise ratio, signal strength, etc., for each sector. Utilizing the parameters transmitted or fed back by the receiver, the transmitter can store control vectors that dictate a beam that can be utilized to commence a beam refinement procedure. In addition, the parameters can be utilized to select and implement a custom sequence to refine the communication channel between the device and the controller. The custom sequence can significantly reduce the time required to create a channel with acceptable qualities such that efficient high speed network communications can be conducted. Other embodiments are also disclosed. | 07-01-2010 |
20100277372 | SYSTEM AND METHOD FOR OPERATING A RADAR SYSTEM IN A CONTINUOUS WAVE MODE FOR DATA COMMUNICATION - A system and a method for operating a radar system in a continuous wave mode for communicating information are provided. In one embodiment, the invention relates to a method for operating a radar system, having an antenna including a plurality of active array elements, in a continuous wave mode to communicate information, the method including receiving an instruction to enter the continuous wave mode, loading a plurality of tables, where each table includes information indicative of a primary group of the active array elements to be activated and a secondary group of elements to be deactivated, receiving a communication signal to be transmitted, and providing, repeatedly, the communication signal, for a preselected period of time, to the primary group of elements of each of the plurality of tables. | 11-04-2010 |
20120062425 | PHASED ARRAY ANTENNA SYSTEM WITH INTERMODULATION BEAM NULLING - A phased array antenna system with intermodulation beam nulling device includes nulling phase shifters. | 03-15-2012 |
20120249370 | COMMUNICATION DEVICE - Communication systems and methods are disclosed. A number of interference sources are obtained based on received signals. A communication is performed using a plurality of antennas and a transmission directivity of the antennas is controlled when transmitting signals. At least null-steering from among null-steering and beam-forming is performed in relation to the transmission directivity of the antennas, when the number of interference sources is less than a first threshold value. Only the beam-forming is performed from among the null-steering and the beam-forming in relation to the transmission directivity of the antennas, when the number of interference sources is greater than the first threshold value. | 10-04-2012 |
20130002488 | WIDEBAND BEAM FORMING DEVICE; WIDEBAND BEAM STEERING DEVICE AND CORRESPONDING METHODS - A beam forming device and method as well as to a beam steering device and method are described. The imaging beam forming device comprises a wideband transmit unit comprising at least one transmit antenna, a receiver unit comprising at least two receive antennas and at least one receive element that receive radiation from said scene and that generate receive signals from said received radiation, and a beam forming unit that performs beam forming to form a receive beam and obtain beam formed output signals from said receive signals by use of beam forming weights. For different samples or groups of subsequent samples of a receive signal, a sample representing said receive signal at a different frequency, a frequency-dependent weight is used for beam forming, which frequency-dependent weights are adapted to result in a predetermined shape of said receive beam. | 01-03-2013 |
20130120191 | Method, Apparatus and System of Antenna Array Dynamic Configuration | 05-16-2013 |
20130229309 | BEAM ALIGNMENT METHOD UTILIZING OMNI-DIRECTIONAL SOUNDING AND USE THEREOF - A method includes transmitting a training signal from each of N omni-directional beams corresponding to N entries in an omni-directional codebook, receiving feedback including indication(s) corresponding to an entry from a narrow beam codebook entry to use to transmit, determining, based on the indication(s), the entry from a narrow beam codebook entry to use to transmit, and transmitting a data signal using the entry from the narrow beam codebook. Another method includes receiving at a receiver a training signal including N omni-directional beams corresponding to N entries in an omni-directional codebook, determining a best entry from a narrow beam codebook to use by a transmitter in transmissions to the receiver, where the best entry is determined as a function of the received training signal including the N omni-directional beams, and transmitting to the transmitter indication(s) corresponding to the best entry of the narrow beam codebook. | 09-05-2013 |
20130234891 | IMAGING ARCHITECTURE WITH CODE-DIVISION MULTIPLEXING FOR LARGE APERTURE ARRAYS - A method and structure for a phased-array system. An orthogonal signal generator generates a plurality of signals C(i) that are orthogonal or near-orthogonal, meaning that a cross correlation between any two signals C(i) is lower than autocorrelation, and there is a plurality of phased-array antenna elements, each said antenna element providing a signal Sinp(i). A multiplier multiplies each signal C(i) with the signal Sinp(i) of a corresponding one of the plurality of phased array antenna elements. | 09-12-2013 |
20140022125 | METHOD AND APPARATUS FOR BEAM FORMING AND ANTENNA TUNING IN A COMMUNICATION DEVICE - A system that incorporates teachings of the subject disclosure may include, for example, determining antenna coupling among a plurality of antennas of the communication device and adjusting beam forming for the plurality of antennas utilizing phase shifters coupled with radiating elements of the plurality of antennas, where the adjusting of the beam forming is based on forming a desired antenna pattern that increases radiated throughput and reduces the antenna coupling among the plurality of antennas. Other embodiments are disclosed. | 01-23-2014 |
20140022126 | Geodesic Lens Antenna with Azimuth and Elevation Beamforming - An array of geodesic lens antennas (GLAs) comprises multiple vertical radiating slots, each formed into an annulus, which are individually controlled by feeding rings. One feeding ring is provided for each of the GLA elevation elements, resulting in multiple, parallel waveguide channels that together enable elevation beam steering, thus forming a concentric stack of geodesic lenses. Accordingly, exemplary embodiments of the invention are capable of RF beam formation in azimuth and elevation by using these lenses to form, shape, and steer one or more RF beams. Each GLA in the stack forms an element in the elevation plane with separate amplitude and phase control, providing the degrees of freedom required to independently and simultaneously control azimuth and elevation beam forming and steering. | 01-23-2014 |
20140097987 | CONFORMAL ACTIVE REFLECT ARRAY FOR CO-SITE AND MULTI-PATH INTERFERENCE REDUCTION - A system and methods for co-site and multi-path interference mitigation are presented. A reflection signal is received from at least one aircraft surface at a sensor near a receiver antenna, and a conformal reflective phased array antenna coupled to at least one aircraft surface is configured to steer the reflection signal. The reflection signal is steered using the conformal reflective phased array antenna to reduce an amplitude of the reflection signal at the receiver antenna based on the reflection signal received at the sensor. | 04-10-2014 |
20140176367 | INTEGRATED ACCOUSTIC PHASE ARRAY - A system includes a processor and a phased array, coupled to the processor, having an arrayed waveguide for acoustic waves to enable directional sound communication. | 06-26-2014 |
20140313081 | Multiple Beam Formation for RF Chip-Based Antenna Array - A method for selectively performing beam formation using a RF chip-based antenna array is described. The method includes determining whether to use a plurality of antenna arrays in one or more common carrier substrates in either a single group or a plurality of groups. The method also includes, in response to determining to use the plurality of antenna arrays in a single group, providing a single coupling factor to all antenna arrays in the plurality of antenna arrays and, in response to determining to use the plurality of antenna arrays in a plurality of groups, providing, for each group in the plurality of groups, a group-specific coupling factor to each antenna array in the group. Apparatus and computer readable media are also described. | 10-23-2014 |
20140340260 | DIGITAL BEAMFORMING ANTENNA AND DATALINK ARRAY - A method and system for beamforming a multi-element array using time delays is provided. The array includes transmit array elements and receive array elements. Each of the array elements includes a processor. Modulation and demodulation functions are performed at the processors of each array element. The modulation and demodulation functions utilize receive time offsets and phase shifts, and transmit time offsets and phase shifts, respectively. The receive time offsets and phase shifts, and the transmit time offsets and phase shifts are determined by a central processing unit in order to beamform received signals and transmitted signals, respectively. The array elements are arranged in a daisy chain fashion in order to facilitate communication of control parameters, communication of bits to be transmitted and distributed combining of demodulated baseband samples from one array element to another and communicating the combined samples to the central processing unit. | 11-20-2014 |
20150091756 | RECONFIGURABLE APERTURE FOR MICROWAVE TRANSMISSION AND DETECTION - A reconfigurable aperture includes a plurality of metallic particles confined to a volume extending across an aperture area. The metallic particles are repositioned within the volume to form opaque regions in the aperture area. The opaque regions, and transmissive regions between the opaque regions, can form a reconfigurable zone plate that can change the collimation of a microwave beam via diffraction therethrough. The zone plate can be located a fixed distance away from a microwave source and a detector in a housing, so that for any specified wavelength produced by the microwave source, the zone plate can reconfigure to have a focal length equal to the fixed distance. The reconfigurable zone plate can effectively collimate microwaves produced by the microwave source, can direct the collimated microwaves in a specified direction, can receive microwaves returning along the specified direction, and can focus the received microwaves onto the detector. | 04-02-2015 |
20150325911 | CONFIGURABLE SEGMENTED ANTENNA - A configurable segmented antenna is described herein. A monitor component can be configured to detect at least one parameter corresponding to one or more segments of an antenna integrated with a communications device. An antenna component can be configured to select at least one segment of the one or more segments in response to the at least one parameter. A control component can be configured to modify a quality of a signal according to the at least one parameter. Further, a transmission component can be configured to transmit the signal from the at least one segment based on the quality. | 11-12-2015 |
20160103199 | SYSTEM, METHOD AND COMPUTER-READABLE MEDIUM FOR ESTIMATING DIRECTION OF ARRIVAL OF A SIGNAL INCIDENT ON AT LEAST ONE ANTENNA ARRAY - Exemplary embodiments include a computer-implemented method for configuring at least one antenna array comprising receiving a plurality of samples corresponding to signals incident on a plurality of antennas; using a computer arrangement, computing one or more data related to an envelope of the samples and estimating a direction of arrival of the signals incident on the antennas based on the one or more computed data; and configuring the at least one antenna array based on the estimated direction of arrival. The computing and estimating procedures can be performed for each of a plurality of direction-of-arrival candidates. The one or more data can be statistics corresponding to multipath shape factor parameters. The spatial selectivity of the at least one antenna array can be configured based on the estimated direction of arrival. Other exemplary embodiments include apparatus and computer-readable media embodying one or more of the exemplary computer-implemented methods and/or procedures. | 04-14-2016 |
20160204508 | SYSTEMS AND METHODS FOR CONTROLLING THE TRANSMISSION AND RECEPTION OF INFORMATION SIGNALS AT INTENDED DIRECTIONS THROUGH AN ANTENNA ARRAY | 07-14-2016 |
20170237162 | WIRELESS COMMUNICATION DEVICE AND ANTENNA ARRANGEMENT METHOD | 08-17-2017 |