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US20090322610 |
PHASED ARRAY ANTENNA SYSTEM WITH ELECTRICAL TILT CONTROL
A phased array antenna system with electrical tilt control incorporates a tilt controller ( 62 ) for splitting an input signal into three intermediate signals, two of which are delayed by variable...
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US20090322611 |
ELECTRONICALLY-CONTROLLED MONOLITHIC ARRAY ANTENNA
An electronically controlled monolithic array antenna includes a transmission line through which an electromagnetic signal may be propagated, and a metal antenna element defining an evanescent...
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US20090322609 |
Beamformer using cascade multi-order factors, and a signal receiving system incorporating the same
A beamformer includes a number (T) of consecutive combining stages. A T th combining stage includes a converging unit. Each of first to (T−1) th combining stages includes a plurality of...
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US20090315774 |
APPARATUS FOR CORRECTING PHASE OF PHASED ARRAY ANTENNA AND METHOD THEREOF
Provided are an apparatus for correcting a phase of a phased array antenna and a method thereof. The apparatus for correcting a phase of a phased array antenna for receiving a radio signal,...
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US20090303127 |
Phase Correction in a Deployable Antenna System
A method and corresponding apparatus are provided for phase correction in a deployable antenna system, in particular a redeployable HF surface wave radar phased array antenna system, the antenna...
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US20090284415 |
DUAL BEAM DUAL SELECTABLE POLARIZATION ANTENNA
A dual beam dual-selectable-polarization phased array antenna comprises an aperture unit, a printed wiring board, radiating elements, chip units, a pressure plate, and a rear housing unit. The...
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US20090273517 |
VERTICALLY INTEGRATED ELECTRONICALLY STEERED PHASED ARRAY AND METHOD FOR PACKAGING
A vertically integrated electronically steered phased array that employs beamsteering using a programmable phase locked loop including a local oscillator. The local oscillator provides an...
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US20090251369 |
ANTENNA SYSTEM HAVING FEED SUBARRAY OFFSET BEAM SCANNING
The following describes an antenna system and electronic scanning method that employs feed subarray electronic offset beam scanning. The system includes a feed element containing an array of...
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US20090243931 |
METHOD AND APPARATUS FOR POWER LOSS COMPENSATION AND SUPPRESSION OF SIDELOBES IN ANTENNA ARRAYS
An antenna array for the transmission of signals is disclosed which comprises a plurality of antenna elements connected to a plurality of transceivers. The plurality of transceivers receive...
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US20090237294 |
WEIGHT CALCULATION METHOD, WEIGHT CALCULATION DEVICE, ADAPTIVE ARRAY ANTENNA, AND RADAR DEVICE
A received data storage situation is monitored, and a covariance matrix R i of the i-th range cell is calculated to be temporarily stored. Covariance matrices R i of the number of training...
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US20090231196 |
MMWAVE WPAN COMMUNICATION SYSTEM WITH FAST ADAPTIVE BEAM TRACKING
Briefly, a mechanism to performing beam tracking during an exchange of data packets disclosed. A perturbation on a transmit or receive beamforming vector is added for the transmission or reception...
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US20090231195 |
Adaptive processing method of clutter rejection in a phased array beam pattern
An adaptive processing method of and system for clutter rejection in a phased array beam pattern. The amplitude distribution of the transmit elements of a two-dimensional phased array is...
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US20090219903 |
MILLIMETER-WAVE REFLECTOR ANTENNA SYSTEM AND METHODS FOR COMMUNICATING USING MILLIMETER-WAVE SIGNALS
Embodiments of millimeter-wave chip-array reflector antenna system are generally described herein. Other embodiments may be described and claimed. In some embodiments, the millimeter-wave...
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US20090201204 |
Modal beam positioning
An antenna system with an improved antenna feed system is discussed. This multi-beam antenna system can produce a beam of electromagnetic energy propagating in a desired direction by emitting...
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US20090201205 |
SYSTEM AND METHOD FOR CHANNEL-ADAPTIVE ANTENNA SELECTION
Systems and methods that provide channel-adaptive antenna selection in multi-antenna-element communication systems are provided. In one embodiment, a method that selects a subset of receive...
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US20090179798 |
OPTICAL PHASE SHIFT DEVICE AND ANTENNA SYSTEM UTILIZING SAME
A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna...
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US20090167605 |
Phased Array Antenna System with Two Dimensional Scanning
A phased array antenna system with two dimensional scanning includes a two dimensional array A of antenna elements A 1,1 to A 12,12 arranged in lines; each line is associated with a respective...
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US20090140921 |
Radio Antenna Assembly and Apparatus for Controlling Transmission and Reception of RF Signals
An apparatus includes an antenna for transmitting RF radiation and being structured to enable the distribution of RF energy emitted therefrom to be varied in the vertical plane. The apparatus...
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US20090121934 |
ADAPTIVE ARRAY CONTROL DEVICE, METHOD AND PROGRAM, AND ADAPTIVE ARRAY PROCESSING DEVICE, METHOD AND PROGRAM
[Object] To provide an adaptive array controlling method, a device, and a program, and an adaptive array processing method, a device, and a program, which are less influenced by frequency...
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US20090102715 |
Beamforming Multiple-Input Multiple-Output Hybrid Automatic Repeat Request Retransmission
Techniques are provided for improving hybrid automatic repeat request retransmissions techniques in a beamformed multiple-input multiple-output wireless communication environment. At a first device...
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US20090096857 |
AIRCRAFT IN-FLIGHT ENTERTAINMENT SYSTEM HAVING A MULTI-BEAM PHASED ARRAY ANTENNA AND ASSOCIATED METHODS
An in-flight entertainment (IFE) system for an aircraft includes a phased array antenna and control circuitry associated therewith to be carried by the aircraft and to generate dual antenna beams...
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US20090079632 |
Smart antenna system and failure detection method for smart antenna system
Disclosed herein is a smart antenna system including an antenna body with changeable directivity, and a control device that optimizes receiving conditions of the antenna body by changing the...
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US20090058725 |
Phased Array Antenna System with Multiple Beam
A phased array antenna system with multiple beams incorporates a CDMA base station ( 32 ) with multiple ports 34 1 to 36 N for positive and negative polarisation signals connected to ports 40...
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US20090051593 |
METHOD FOR THE OPERATION OF AN ANTENNA GROUP HAVING A PLURALITY OF TRANSMITTERS AND A PLURALITY OF RECEIVERS AND ASSOCIATED APPARATUS
The present invention relates to a method for the operation of an antenna group ( 1 ) having M≧2 transmitters and N≧2 receivers ( 3 ) for the digital beamforming. In the method, a coherent...
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US20090046007 |
Wireless local area network antenna system and method of use therefore
An embodiment of the present invention provides an apparatus, comprising a plurality of sub-arrays and at least one beamformer driving the plurality of sub-arrays, the at least one beamformer...
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US20090046006 |
DIRECTIONAL COMMUNICATION APPARATUS, COMMUNICATION METHOD, COMMUNICATION PROGRAM, AND COMMUNICATION SYSTEM USING DIRECTIONAL COMMUNICATION APPARATUS
There are provided a directional communication apparatus whose low power consumption is realized, a communication system using this apparatus, a directional communication apparatus where time up to...
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US20090040105 |
Beam adjusting device
The present invention relates to a device for adjusting the beam direction of an antenna. The device has a source connection terminal to be connected to a signal source and at least two feed...
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US20090040106 |
Cellular Antennas and Communications Methods
An antenna includes a number of controllers and a number of peripheral devices. A first controller is configured to communicate commands and/or data between the antenna and a device outside of the...
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US20090033555 |
Method and system for analog beamforming in wireless communications
A method and system for analog beamforming for wireless communication is provided. Such analog beamforming involves performing channel sounding to obtain channel sounding information, determining...
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US20090027267 |
SCANNED ANTENNA SYSTEM
The invention comprises a feed horn ( 10 ) illuminating a circular flat panel ( 12 ) formed from a high impedance surface structure. By controlling the resonant frequencies of the individual...
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US20090021429 |
LOW COST SHORT RANGE RADAR
A low cost radar system that employs monopulse beamforming to detect objects in the road-way both in elevation and azimuth. In one non-limiting embodiment, a beamforming receiver architecture...
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US20090015475 |
Adaptive Array Base Station Device and Adaptive Array Base Station Device Control Method
An array antenna forming unit ( 22 ) combines at least two transmission/reception devices ( 40 ) to thereby sequentially form one array antenna. Every time an array antenna is formed, an array...
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US20090009391 |
Lightweight Space-Fed Active Phased Array Antenna System
A system for a satellite includes a core system and multiple nodes for generating an active phased array. Each node includes a transceiver for wirelessly receiving a transmit signal from the core...
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US20080309555 |
METHOD FOR SETTING SMART ANTENNA AND SYSTEM THEREOF
The invention provides a method for setting a smart antenna and a system thereof. The smart antenna has a plurality of antenna patterns and is used to communicate with at least a wireless...
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US20080297415 |
METHOD FOR MANAGING THE OPERATION OF A WIRELESS DEVICE, IN PARTICULAR FOR REDUCING INTERFERENCES WITH A POTENTIAL VICTIM DEVICE
A wireless device belongs to a wireless communication system and exchanges information within at least one band of frequencies. A method includes detecting a presence of at least one victim device...
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US20080284652 |
FREQUENCY SCANNING ANTENNA
Embodiments of the invention are concerned with frequency scanning antennas for transceiving radio frequency energy for use in detecting and monitoring ground-based targets. In one arrangement the...
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US20080238774 |
BROADBAND BEAM STEERING ANTENNA
The present invention relates to an antenna apparatus with steerable beam pattern, an RF transceiver comprising the antenna apparatus and a mobile device comprising the antenna apparatus. The...
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US20080180323 |
Method For Beam Formation By Calculation, In Particular Adapted To The Compensation Of Failures Of Active Modules Of A Radar With Electronic Scanning
The invention relates to a method for beam formation by calculation. For each defective active module of rank ip, the missing samples of the microwave signal a(îp) are calculated by one or more...
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US20080180324 |
PHASE SHIFTING AND COMBINING ARCHITECTURE FOR PHASED ARRAYS
Improved phased array techniques and architectures are provided. For example, a linear phased array includes N discrete phase shifters and N−1 variable phase shifters, wherein the N−1 variable...
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US20080106467 |
Compact, low profile electronically scanned antenna
A compact, low profile electronically scanned antenna module is provided. The antenna module includes a multi-layer antenna integrated printed wiring board (AiPWB) that includes a radiator layer on...
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US20080089452 |
STEERABLE ANTENNA AND RECEIVER INTERFACE FOR TERRESTRIAL BROADCAST
Antennas with steerable antenna patterns and techniques for using such antennas are described. In accordance with the invention, antenna patterns with one or more NULLs are used. Through the use of...
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US20080058019 |
Multi-Element Phased Array Transmitter With LO Phase Shifting And Integrated Power Amplifier
A fully integrated CMOS multi-element phased-array transmitter (transmitter) includes, in part, on-chip power amplifiers (PA), with integrated output matching. The transmitter is adapted to be...
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US20080036645 |
ELECTRONIC SCANNING RADAR APPARATUS
A sampled beat signal is cut out into two or more short time data in a time direction concerning each antenna component. From a frequency spectrum of the short time data, an interference element...
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US20080030404 |
Antenna transceiver system
Provided is an antenna transceiver system for transmitting and receiving voice, digital data, radar and IR signals, and for processing received signals for use by an operator. The system includes...
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