|
Match
|
Document |
Document Title |
|
|
7609206 |
Enabling digital beamforming techniques for RF systems having short repetitive synchronization sequences
A system and method of enabling digital beamforming (DBF) for use with RF receiver systems with a multi-element array antenna having short repetitive synchronizaton sequences in a noise and/or...
|
|
|
7609205 |
Electrically steerable phased array antenna system
An electrically steerable phased array antenna system includes an array of antenna elements and a corporate feed network having an inner region for input of two input signals A and B. The corporate...
|
|
|
7590475 |
Method and system for providing a covert warning notification of a hazard to an aircraft
A system and method for providing a covert warning notification of a hazard to an aircraft is provided. Generally, the system contains a detection system capable of detecting the hazard, and a...
|
|
|
7580674 |
Intelligent interface for controlling an adaptive antenna array
An antenna control interface is integrated with common integrated circuit components, such as radio transceiver or baseband modem signal processing control logic. The antenna control interface...
|
|
|
7570210 |
Steering matrix feedback for beamforming
A network device includes a calibration module that receives a first channel state information (CSI) matrix from a link partner, that determines CSI based on radio frequency (RF) signals...
|
|
|
7567213 |
Array structure for the application to wireless switch of WLAN and WMAN
The present invention provides an antenna array structure which includes multiple array elements, and the antenna array structure is using for the application of the WLAN (wireless local area...
|
|
|
7548764 |
Method and system for generating multiple radiation patterns using transform matrix
Techniques are provided herein for generating multiple radiation patterns. An antenna system comprises an antenna array having one or more antennas for providing a first radiation pattern and a...
|
|
|
7548730 |
Systems and methods for improving performance of multiple spatial communication channels
Embodiments include systems and methods for improving performance of multiple spatial communications channels. Embodiments comprise power loading a steering matrix to achieve improved performance.
|
|
|
7539273 |
Method for separating interfering signals and computing arrival angles
A method is disclosed for processing all types of received, interfering radio frequency signals corrupted by noise to extract the individual signals without having any a priori knowledge about...
|
|
|
7511666 |
Shared phased array cluster beamformer
A shared beamformer flexibly allocates beams among clusters of beams produced by phased array antenna apertures that are deployed on a satellite (or other type of platform). By sharing the...
|
|
|
7492325 |
Modular electronic architecture
A modular electronic architecture according to which electrical components are distributed across substantially identical, interconnected circuit elements or assemblies is provided. Scaling of the...
|
|
|
7474905 |
Weight determining apparatus, a weight determination method, a radiation power measuring apparatus, and a radiation power measuring method
A weight determining apparatus is disclosed. The weight determining apparatus includes two or more antenna elements that receive a test wave transmitted by one or more test wave sources prepared...
|
|
|
7474263 |
Electronically scanned antenna
An electronically scanned antenna may include a plurality of space-fed, contiguous subarrays arranged in an annular region, each subarray including an inner set of radiating elements facing...
|
|
|
7463191 |
Antenna beam steering and tracking techniques
A method includes determining if a dynamics requirement for an antenna positioner is exceeded, and employing a combination of mechanical and electronic beam steering techniques to steer a single...
|
|
|
7427953 |
Wireless communication apparatus for determining direction of arrival information to form a three-dimensional beam used by a transceiver
A wireless communication method and antenna system for determining the direction of arrival (DOA) of received signals in azimuth and elevation, (i.e., in three dimensions), to form a beam for...
|
|
|
7423586 |
Antennas array calibration arrangement and method
In a radio communications system, a plurality of transceivers are each connected to one element of an array of antenna elements. In addition, at least one of the transceivers is additionally...
|
|
|
7420508 |
Higher-order intermodulation reduction using phase and angle smearing
A method for reducing intermodulation beams includes applying a beam-smearing phase distribution in addition to a beam-steering distribution for scanning to an array of antenna elements such that...
|
|
|
7414577 |
Phase management for beam-forming applications
A beam-forming antenna system includes an array of integrated antenna circuits. Each integrated antenna circuit includes an oscillator coupled to an antenna. A network couples to the integrated...
|
|
|
7400296 |
Phased array antenna system with variable electrical tilt
A phased array antenna system with variable electrical tilt comprises an array ( 60 ) of antenna elements ( 60 L 1 ) etc. incorporating a divider ( 44 ) dividing a radio frequency (RF) carrier...
|
|
|
7369487 |
Clustered OFDM with channel estimation
An improved OFDM receiver is realized by employing a simplified delay function for the transmissions channel. The simplified delay function yields a simplified frequency-domain correlation that is...
|
|
|
7365695 |
Antenna system
An antenna system for sharing of operation employs contiguous transmit frequencies. Transmit frequencies are separated into non-contiguous sub-groups isolated from one another by filters 158 (+)...
|
|
|
7362267 |
Smart antenna, method and apparatus for adaptive beam forming
A beam forming method for a smart antenna and smart antennas configured to employ the method, in which pre-multibeam processing and time delay aligning are implemented to array signals, and then a...
|
|
|
7359734 |
Compensating for radiation pattern in radio system, and radio system
The invention relates to compensation of a radiation pattern in a radio system. The solution comprises forming a primary radiation pattern by weighting signals of antenna branches with primary...
|
|
|
7359733 |
Beam synthesis method for downlink beamforming in FDD wireless communication system
A method for downlink beamforming in a frequency-division-duplex wireless communications system comprising a base station with an antenna array and terminals that are physically remote from said...
|
|
|
7355998 |
Support for multiple access point switched beam antennas
A plurality of virtual wireless networks are defined. Each of the plurality of virtual wireless networks has a different set of requirements. A node is capable of producing a plurality of antenna...
|
|
|
7348932 |
Tile sub-array and related circuits and techniques
A radiator includes a waveguide having an aperture and a patch antenna disposed in the aperture. In one embodiment, an antenna includes an array of waveguide antenna elements, each element having a...
|
|
|
7342535 |
Beam-forming apparatus and method using a spatial interpolation based on regular spatial sampling
A beam-forming apparatus and method for improving system performance using a spatial interpolation and at least one Angle of Arrival (AoA) in a system based on regular spatial sampling is provided....
|
|
|
7333835 |
Method and apparatus for providing user specific downlink beamforming in a fixed beam network
The disclosed embodiments relate to a system and method for providing user specific beams in a fixed beam network. In one embodiment, there is provided a mobile transceiver comprising a first...
|
|
|
7330701 |
Low complexity beamformers for multiple transmit and receive antennas
Beamforming systems having a few bits of channel state information fed back to the transmitter benefit from low complexity decoding structures and performances gains compared with systems that do...
|
|
|
7315279 |
Antenna system for producing variable-size beams
An antenna system has multiple antenna feed elements combined in a number of element sets independently controlled to provide a beam of a variable size. Multiple input power dividers are provided...
|
|
|
7312750 |
Adaptive beam-forming system using hierarchical weight banks for antenna array in wireless communication system
An adaptive beam-forming system using hierarchical weight banks for antenna arrays in wireless communication systems is disclosed. The present invention can be applied for both reception and...
|
|
|
7289827 |
Method and apparatus for performing directional re-scan of an adaptive antenna
An antenna for use with a receiver in a wireless communications system includes antenna elements for generating antenna patterns, and a first module for applying weights to a signal received at...
|
|
|
7277051 |
Method and a unit for beam control of an array antenna
A method of producing a digital beamformer signal by a number of antenna modules that are alike and by providing a system that implements the method. This is accomplished by introducing signal...
|
|
|
7274951 |
Multi-beam antenna transmitter/receiver and transmitting/receiving method and transmission beam selection method
A multi-beam antenna transmitter/receiver includes reception beam formation units ( 104 1 - 104 M ) which form a plurality of reception beams, and transmission beam formation units ( 113 1 - 113 J...
|
|
|
7269436 |
Method and apparatus of allocating power in multiple-input multiple-output communication system
A method and apparatus for allocating a power in a multiple-input multiple-output communication system is disclosed. A method of allocating power can include estimating a channel condition based on...
|
|
|
7256735 |
Satellite amplifier system
A satellite amplifier system 100 adapted to amplify and distribute flexibly P input transmission channels to N outputs each corresponding to one beam includes a switch 102 having at least P...
|
|
|
7248215 |
Beam architecture for improving angular resolution
An automotive radar system includes a beamformer circuit and a beamcombiner circuit. The beamformer circuit forms a plurality of antenna beams at a plurality of beam ports. The beam combiner...
|
|
|
7245939 |
Reducing the effect of signal interference in null areas caused by overlapping antenna patterns
A wireless communication system for transmitting and receiving wireless communications using at least one beam is disclosed. The system comprises a plurality of WTRUs, at least one beam-forming...
|
|
|
7245938 |
Wireless antenna traffic matrix
A beam shaping antenna matrix for use in wireless cell towers that is manually-configured at a patch panel by a wireless operator based on selection of a desired beam size and point of direction....
|
|
|
7236750 |
Techniques for correcting for phase and amplitude offsets in a MIMO radio device
Techniques to correct for phase and amplitude mismatches in a radio device in order to maintain channel symmetry when communicating with another device using MIMO radio communication techniques....
|
|
|
7221318 |
System and method for controlling antenna pattern
A communication system and method for controlling an antenna pattern is disclosed. The communication system may be situated on a mobile station, a base station, or a combination thereof. The...
|
|
|
7218279 |
Method and apparatus for pointing the beam of a wind profiler
The present invention relates to a method and apparatus for pointing the beams ( 63–67 ) of a wind profiler comprising a stationary antenna matrix ( 61 ) with several individual antenna elements...
|
|
|
7212158 |
Method and apparatus for beamforming based on broadband antenna
A beamforming method based on broadband antenna is provided, comprising: detecting the frequency of input signals of an antenna; determining the effective antenna aperture between elements of the...
|
|
|
7158793 |
Beam-shaping method
A method for shaping beams in a radio communication system employs current weighting vectors determined from first weighting vectors. The first weighting vectors used for the beam shaping are...
|
|
|
7132979 |
Calibration apparatus for a switchable antenna array, and an associated operating method
A calibration device for a switchable antenna array, distinguished by the following improvements provides at least two inputs of two or more available inputs of the beam forming network fed...
|
|
|
7123876 |
Easy set-up, vehicle mounted, in-motion tracking, satellite antenna
A low profile, vehicle mounted, in-motion tracking, satellite antenna includes a pair of antenna assemblies mounted in parallel on a rotatable platform. Each antenna assembly includes two...
|
|
|
7119733 |
Angle-scanning radar system
An angle scanning radar system having a group antenna controlled via a beam-shaping network, a coupling device that allows the group antenna to be operated for both the transmitting and receiving...
|
|
|
7110794 |
Adaptive array apparatus and compensation method for compensating a phase difference used for generating a directivity response pattern
An adaptive array apparatus includes a control unit 50 and a plurality of radio units 10˜40 that each have a modulator 11 , a transmission circuit 12 , a switch 13 , a phase detecting unit ...
|
|
|
7103384 |
Apparatus and method for forming a forward link transmission beam of a smart antenna in a mobile communication system
A method and apparatus for a base station including an antenna array calculates a direction of a weight vector of a transmission beam to maximize in-phase component power for a common channel...
|
|
|
7098848 |
Phased array antenna intermodulation suppression beam smearing method
An intermodulation suppression method using phased array antenna electronics insignificantly degrades the desired primary main beams while substantially suppressing undesired intermodulation...
|