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7421321 |
System for obtaining vehicular information
System for obtaining information about a vehicle or a component therein includes sensors arranged to generate and transmit a signal upon receipt and detection of a radio frequency (RF) signal and a...
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7414576 |
Precision RF antenna pointing
A precision antenna pointing system and methods are disclosed. Antenna pointing error is determined by detecting RF signal phases at locations along the edge of an antenna reflector. A set of...
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7382315 |
System for and method of improving beyond line-of-sight transmissions and receptions
A radio system can be configured as a beyond line-of-sight system and includes a number of antennas, a number of phase adjusters and a transmitter/receiver unit. Each of the phase adjusters can be...
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7379707 |
System for concurrent mobile two-way data communications and TV reception
A low profile mobile in-motion antenna and transmit/receive terminal system for two-way “VSAT” type satellite communication using FSS service, preferably in Ku band, supporting at the same time...
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7372401 |
Multitracking of collocated satellites
Tracking of collocated satellites is accomplished by providing a single tracking antenna having a tracking feed and combiner which receives a first satellite signal. A first pointing error signal...
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7369084 |
Two-sectional controlling method and device for satellite antenna
A controlling device for a satellite antenna is provided. The controlling device includes a first signal generating device generating an inertial compensating signal having a compensating...
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7365696 |
Multitransmitter RF rotary joint free weather radar system
A multitransmitter RF rotary joint free weather radar system is used to transmit two transmitted waves toward an object and to receive two reflected waves from the object. The system incorporates...
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7339520 |
Phased array terminal for equatorial satellite constellations
A low cost and low profile antenna for commercial use, either in a fixed or mobile condition is disclosed. The antenna has a generally flat circular plate that rotates to seam the azimuth...
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7330151 |
Alignment of an elliptical beam of an antenna
A system and methods for aligning an elliptical beam of an antenna to a line-of-sight from the antenna to a remote receiver are disclosed. The methods offset the antenna from an initial pointing...
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7327323 |
Communication apparatus, method of transmission and antenna apparatus
Communications apparatus has a plurality of nodes each of which is capable of communicating with plural other nodes via point-to-point wireless transmission links between the nodes. At least one of...
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7324784 |
Transmission beam control method, adaptive antenna transmitter/receiver apparatus and radio base station
Changes in instructions for increasing/decreasing transmission power that have been decoded from TPC bits are monitored, and when the increase/decrease instructions in a prescribed time interval...
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7324046 |
Electronic beam steering for keyhole avoidance
An airborne radio frequency (RF) antenna terminal system includes a two-axis gimbals control system and a phased array antenna. The phased array antenna electronically steers the receive and...
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7298325 |
Technique for accurate estimate of large antenna inertial two dimensional orientation using relative GPS spatial phase
A radar antenna has a reflector and maximum gain along its boresight. The reflector has a periphery, typically circular, rectangular or elliptical. A plurality of Global Positioning System (GPS)...
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7289062 |
Method and device for accurately pointing a satellite earth station antenna
A device for measuring the received signal strength at an Earth station antenna has the capability to provide an accurate pointing indication when the frequency bands and other key characteristics...
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7268726 |
Method and apparatus for correction of quantization-induced beacon beam errors
A method of correcting for beacon pointing errors is disclosed. A desired beacon value and a predicted measured beacon value are computed and used to generate the beacon correction. An antenna...
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7265728 |
Method for automatically adjusting antenna and system thereof
A method for automatically adjusting an antenna and the system thereof are provided. The method includes driving the motor to rotate the antenna at first, so as to receive multiple first digital...
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7262732 |
Method and apparatus for fast satellite acquisition via signal identification
The invention relates to a method and apparatus for fast satellite antenna acquisition via signal identification. The method and apparatus operate by positioning a satellite antenna using signal...
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7257370 |
Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes
An apparatus for simultaneously receiving a first signal from a non-terrestrial source and a second signal from a terrestrial source on the same or overlapping channels using a receive antenna with...
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7254365 |
Antenna directivity estimator for a reconfigurable antenna
A method and apparatus for redistributing power radiated by an antenna comprised of a plurality of antenna elements. An antenna directivity estimator function is performed to screen out...
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7239274 |
Dynamic orientation adjusting device and method for satellite antenna installed in moveable carrier
Disclosed is a device and method for dynamically adjusting orientation of a satellite antenna carried in a movable carrier, including a satellite tracking system and an adjusting device. The...
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7230569 |
Search algorithm for phased array antenna
An antenna system electronically searches for a satellite signal by beginning at the current pointing angle of an antenna. The antenna system sweeps a tuner frequency of the receiver by...
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7218277 |
Antenna failure detection
The present invention provides an apparatus, method, and computer-executable program for detecting antenna failures in directional antennas. In particular, the present invention compares a bearing...
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7218273 |
Method and device for boresighting an antenna on a moving platform using a moving target
A technique for boresighting an antenna mounted on a moving platform is described. The technique uses a concurrently moving calibration target. Target navigation data and platform navigation data...
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7194394 |
Method and apparatus for detecting and correcting inaccuracies in curve-fitted models
A technique for detecting and correcting inaccuracies in curve-fitted models. Humps and dips in a curve-fitted model are identified. An analysis is performed on the humps and dips to determine if...
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7187323 |
Apparatus for controlling antenna in stratospheric platform and stratospheric platform system having the same
Provided is an antenna control apparatus for controlling an antenna mounted on a stratospheric platform of the stratospheric communication system. The apparatus includes a plurality of location...
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7183997 |
Satellite dish location device
A satellite line of site alignment device for the installation of all satellite dish antenna. The alignment device provides a hand held orientation and angular inclination determination for...
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7178160 |
Device for receiving satellite broadcast and a receiving method therefor
A satellite broadcast receiver comprises an antenna, a tuner, a modulator, a FEC decoder, a microprocessor, and an antenna driver. The antenna receives the satellite signal and the tuner tunes the...
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7177667 |
Antenna remote control apparatus of mobile communication base station system
An antenna remote control apparatus for a base station in a mobile communication system is disclosed. The antenna remote control apparatus includes a remote controller for matching a driving...
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7174242 |
Ship motion predictor
There is disclosed a predictive filter for predicting the future position of a look direction of a rotating directional antenna mounted on a vessel. Prediction of a look direction of the antenna at...
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7165365 |
Satellite ready building and method for forming the same
A satellite ready building comprises a plurality of studs and satellite wires positioned adjacent to the studs having a first termination and a second termination. A connector is coupled to the...
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7136012 |
Approach radar with array antenna having rows and columns skewed relative to the horizontal
A monopulse precision landing or other land-based radar system uses an array antenna and a beamformer to produce sum, azimuth difference and elevation difference beams relative to the array. The...
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7126530 |
Non-coherent high-power directed-energy system and method
A directed-energy system includes a plurality of non-coherent microwave sources and a plurality of antennas. Each antenna may be coupled to a corresponding one or more of the sources to radiate...
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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...
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7092673 |
Angle of arrival estimation in a wireless telecommunications network
The present invention relates to estimating the Angle of Arrival (AoA) of a signal from a user equipment received at a base station of a wireless telecommunications network where the base station...
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7054739 |
Radio navigation system
Navigation apparatus that may include a radio receiver, at least one directional antenna communicatively coupled to the radio receiver, and a navigation computer including a memory and a processor....
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7053828 |
Systems and methods for correcting thermal distortion pointing errors
One embodiment of the present invention relates to a system for correcting spacecraft thermal distortion pointing errors. The system comprises one or more spacecraft sensors located at positions on...
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7016643 |
Antenna positioning system and method for simultaneous reception of signals from a plurality of satellites
A system and method for positioning a dish antenna having a plurality of low noise block converters for the simultaneous reception of signals from a plurality of satellites in a direct broadcast...
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7012566 |
Dynamic orientation adjusting device for satellite antenna installed in movable carrier
Disclosed is a device for dynamically adjusting orientation of a satellite antenna carried in a movable carrier, including a satellite tracking system and an adjusting device. The satellite...
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7009558 |
Vehicle mounted satellite tracking system
A satellite tracking system includes a vehicle having an attitude measuring device for measuring an attitude of the vehicle. An antenna is mounted on the vehicle. An antenna pointing device is...
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7009557 |
Interference rejection GPS antenna system
The present invention relates to a method and apparatus for selectively receiving radio frequency (RF) signals which utilizes an array of antenna elements including a center antenna for receiving...
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7006788 |
Method and system for preventing sun transit outages in point-to-multipoint satellite systems
A geostationary communication satellite system that uses a hub and spoke configuration, where the hub includes at least one relatively large diameter satellite antenna. The hub of the communication...
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6989787 |
Antenna system for satellite communication and method for tracking satellite signal using the same
Provided is an antenna system for satellite communication and a method for tracking satellite signals using the same, in which moving vehicles or vessels can perform a satellite multimedia...
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6982745 |
Antenna level display device and method, and receiving apparatus
An antenna level display device capable of faithfully reflecting any deterioration of a picture quality in receiving a satellite broadcast. In this display device, orthogonal detection of an input...
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6972724 |
Self-correcting mobile antenna control system and method
A self-correcting mobile antenna control system and method. A method is provided for controlling the direction of an antenna mounted on a vehicle. The method includes determining a position...
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6965343 |
System and method for antenna tracking
A method for antenna tracking includes providing a central feed element in an antenna focal region with additional feed elements in an azimuth coordinate to provide a multitude of feed elements...
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6956526 |
Method and apparatus for satellite antenna pointing
A method of pointing an antenna at a transmitter comprising the steps of: (a) varying the azimuth of the antenna dish a predetermined number of degrees in a first direction from a predetermined...
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6950629 |
Self-structuring antenna system with memory
A self-structuring antenna (SSA) system employs a memory device to store switch states for antenna configurations that are determined to produce acceptable antenna characteristics. Each antenna...
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6950061 |
Antenna array for moving vehicles
A low-profile antenna system to be mounted to a moving vehicle for receiving signals, such as from a Digital Broadcast Satellite, includes a base for mounting to the surface of the vehicle, a...
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6941222 |
Navigation system, server system for a navigation system, and computer-readable information recorded medium in which destination prediction program is recorded
A navigation system is provided that allows an appropriate destination point to be set when a vehicle begins to travel without an operator setting a destination point. A navigation system is...
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6940452 |
Reducing co-channel interference in satellite communications systems by antenna re-pointing
A system and method for increasing the performance of a satellite communication system by using a multivariate analysis approach to optimize the pointing of the boresight of a satellite-mounted...
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