|
Match
|
Document |
Document Title |
|
|
7616682 |
Method and device for chronologically synchronizing a location network
Chronologically synchronizing a unique positing signal generated by a positioning-unit device at a known location with a reference positioning signal generated by a reference transmitter at a known...
|
|
|
7606567 |
Channel allocation for burst transmission to a diversity of satellites
A method for allocating transmission channels to devices configured to communicate short data packets to a diversity of non geostationary satellites is disclosed hereby. The method suggests a...
|
|
|
7606531 |
Repeating station, a communication apparatus, and a directivity control method
A repeating station, a communication apparatus, and an antenna directivity control method are disclosed. The repeating station includes
a first antenna group including at least one antenna...
|
|
|
7592955 |
Airborne turbulence location system and methods
A system and methods for calculating a range to a turbulent air region from an antenna platform is disclosed. The methods determine a correlation lag value corresponding to a time shift in...
|
|
|
7551124 |
Method for optimising at least one property of a satellite system, optimisation device for a satellite system, satellite receiver and satellite system
A method for optimizing at least one property of a satellite system. The system has a satellite provided with a transmitter for transmitting a satellite signal that represents data. The satellite...
|
|
|
7532860 |
Method of using feedback from consumer terminals to adaptively control a satellite system
A system and a methodology uses data provided from consumer terminals in a satellite system to reconfigure a satellite to thereby optimize the strength of signals transmitted by the satellite. The...
|
|
|
7515874 |
Directivity optimization for short-range wireless mobile communication systems
The present invention provides a short-range wireless mobile communication system with a first terminal and a mobile terminal that are each adapted for transmitting and receiving an information...
|
|
|
7492810 |
Method and apparatus for segmented code correlation
A method and an apparatus is disclosed for efficient cross correlation of a plurality of signal vectors. Incoming data is partitioned into several segments and processed according to an algorithm...
|
|
|
7460615 |
Spatial and time multiplexing of multi-band signals
A multi-band receiver for use with satellite ranging systems is provided. The receiver has a simplified architecture in which input signals of various frequencies are multiplexed together to form a...
|
|
|
7459984 |
Method and apparatus for self-calibration and adaptive temperature compensation in GPS receivers
The invention provides a method and apparatus to optimally estimate and adaptively compensate the temperature-induced frequency drift of a crystal oscillator in a navigational signal receiver. A...
|
|
|
7456783 |
GPS signal repeater and GPS receiver of stationary orbit satellite, and method for positioning stationary orbit satellite using the same
Provided is a Global Positioning System (GPS) signal repeater and a GPS receiver of a stationary orbit satellite, and a method for positioning a stationary orbit satellite using the same. The GPS...
|
|
|
7454272 |
Geostationary stationkeeping method
According to one embodiment of the invention, a stationkeeping method for a geostationary satellite includes determining a gravitational force of the sun on the satellite at a beginning of a...
|
|
|
7426447 |
Method and system for monitoring structural damage
A method for monitoring damage to a structure having an actuator and a sensor. The method includes exciting the actuator across a predetermined frequency range to excite the structure, measuring a...
|
|
|
7409188 |
Method and apparatus for lowering power use by a ranging receiver
Equipment and a method by which power consumed by a ranging receiver ( 12 ) is reduced without appreciably impairing performance of the GPS receiver ( 12 ), the method including: a step ( 21 ) in...
|
|
|
7406311 |
Method and apparatus for selectively operating satellites in tundra orbits
A satellite system provides geosynchronous satellites in elliptical orbits in respective elliptical orbital planes separated by 120 degrees. The satellites traverse a common figure-eight ground...
|
|
|
7369847 |
Fixed cell communication system with reduced interference
A communication system has a high altitude communication device that has an antenna for directing beams to a fixed cell pattern with a polarity of cells. A specific pattern of cells having the same...
|
|
|
7366463 |
Military UHF and commercial Geo-mobile system combination for radio signal relay
A radio signal relay device such as satellite is used to cover several relatively small geographical regions with relatively narrow beams as well as a relatively large geographical region with a...
|
|
|
7333815 |
Power-saving remote locator system and method
A server for authenticating subscribers in a tracking and locating system and method is disclosed. The locating system provides positional information of locator devices in the form of pages...
|
|
|
7321775 |
Method for obtaining location related information allowing to locate a terminal attached to a communication network
The present invention concerns a method for obtaining location information on the location of a terminal (UE) attached to a communication network, said method comprising the steps of: issuing, by...
|
|
|
7302317 |
System and method to enhance attitude estimation for transfer orbit maneuver
A system and method to enhance attitude estimation for transfer orbit maneuvers of a spinning satellite includes a transfer orbit earth sensor that can receive and convert an infrared radiance to...
|
|
|
7277673 |
Virtually geostationary satellite array with optimized parameters
A plurality of satellites are placed into a virtually geosynchronous orbit, in which a first part of the orbit, that is near apogee, has a similar movement to the rotation of the earth, and...
|
|
|
7274327 |
Method and apparatus for determining location in a satellite communication system
A receiver unit ( 400 ) capable of determining its approximate location using a first and a second satellite transmission source ( 12 & 14 ) and, a first terrestrial transmission source ( 18 )...
|
|
|
7269393 |
Mobile radio device
In a portable radio device in which both an antenna for cell phone and an antenna for receiving GPS data are installed, an object of the present invention is to decrease influence of the antennas...
|
|
|
7233798 |
Method and apparatus for determining location of a remote unit using GPS
To address the need for faster location determination by GPS-equipped units, this application describes embodiments of the present invention that provide GPS-assist data to a remote unit ( 110 )...
|
|
|
7142156 |
System and method for providing time to a satellite positioning system (SPS) receiver from a networked time server
System and method for enabling signal acquisition in a satellite positioning system (SPS) when signals from SPS satellites are attenuated by the operating environment of a SPS receiver. A preferred...
|
|
|
7089013 |
Business model of the co-locating scheme of low earth orbit (LEO) and geostationary (GEO) satellite systems
A method of incrementally increasing a revenue stream generated by an incrementally built satellite communication system comprising the following steps: (A) planning an initial constellation phase...
|
|
|
7013137 |
Smaller aperture antenna for multiple spot beam satellites
This disclosure describes a method to generate large numbers of spot beams for multiple-beam satellite systems using smaller apertures. This is done by dividing the basic spot beam that has 3 to 4...
|
|
|
6993288 |
Managing satellite fixed beam uplink using virtual channel assignments
A method of coordinating communications between ground stations and fixed beam satellites is provided, wherein each beam of a satellite antenna is assigned a color to create a color pattern that...
|
|
|
6989786 |
Satellite antenna station keeping
Techniques for redirecting a satellite antenna beam from a satellite antenna of a satellite in an inclined orbit to a preferred satellite antenna beam pointing position on the earth are provided....
|
|
|
6976937 |
Integrated exercise detection device employing satellite positioning signal and exercise signal
An integrated exercise detection device includes a satellite positioning module that receives satellite signals associated with a user. The satellite positioning module includes a microprocessor...
|
|
|
6968187 |
Multi-airplane cellular communications system
A communications link for a cellular communications system ( 10 ) includes a first airplane ( 35 ) for flying in a first pattern ( 86 ) and including a first antenna for transmitting RF beams ( 92...
|
|
|
6936760 |
Space-based power system
A space-based power system. The system maintains proper positioning and alignment of system components without using connecting structures. Power system elements are launched into orbit, and the...
|
|
|
6919839 |
Synthetic aperture radar (SAR) compensating for ionospheric distortion based upon measurement of the group delay, and associated methods
A synthetic aperture radar (SAR) compensates for ionospheric distortions based upon measurement of the group delay, particularly when operating in the VHF/UHF band. The SAR is based upon a...
|
|
|
6915208 |
Information transfer in a multi-mode global positioning system used with wireless network
The present invention discloses a GPS system that can operate in different modes depending on the network facilities and bandwidth available, the GPS information that can be acquired, or user or...
|
|
|
6909875 |
Multi-platform wireless communication system for a variety of different user types
A mobile wireless communications system including a plurality of individual transponding nodes of various types, all in communication with a central processing hub. A local user signal is processed...
|
|
|
6904341 |
Integrated vessel monitoring and control system
A vessel monitoring and control system. Data indicative of operational conditions for vessel systems is transmitted from the vessel to one or more remote sites and commands are received from the...
|
|
|
6900757 |
Method for idetification satellites arranged on geo orbit
The method for identification of a set of satellites, arranged on GEO orbit, consists of receiving satellite signals; determining antenna beams strength; detecting beams that are local maximums...
|
|
|
6891497 |
Chirp-based method and apparatus for performing phase calibration across phased array antenna
A chirp-based method and apparatus measures phase variation through a reference frequency transport cable for a phased array antenna. A chirp is injected into the a signal transport path from a...
|
|
|
6876925 |
Two-stage interacting multiple models filter for use in a global positioning system
A method, corresponding apparatus and corresponding system for determining a dynamical quantity of a receiver of signals conveying information useful in estimating the dynamical quantity, the...
|
|
|
6859169 |
Medium earth orbit satellite surveillance system and antenna configuration therefore
A radar surveillance system includes a plurality of satellites a plurality of medium earth orbit satellites to provide continuous, long dwell coverage of a region of interest. Each satellite has an...
|
|
|
6844844 |
System comprising a satellite with radiofrequency antenna
The invention concerns a system comprising a radiofrequency antenna stationed in an orbit around the earth, and illuminating means for transmitting and/or receiving likewise orbiting round the...
|
|
|
6839547 |
Enhanced GPS receiver utilizing wireless infrastructure
A locator using Navstar constellation signals for determining geographical location of a mobile receiver. The locator is integrated with a mobile unit of a cellular network, which derives its...
|
|
|
6829535 |
Method and apparatus for generating satellite tracking information in a compact format
Method and apparatus for creating a compact orbit model is described. Satellite tracking data is obtained having a first set of orbit terms that define a first orbit model. The satellite tracking...
|
|
|
6824107 |
Artificial satellite with an orbit having a long staying time in a zenith direction, an orbit control method and a communication system therewith
A transmission or communication system, wherein plural individual elliptical orbits are so defined that an individual right ascension of a north-bound node is established with a designated angle....
|
|
|
6768452 |
System and method for providing time to a satellite positioning system (SPS) receiver from a networked time server
System and method for enabling signal acquisition in a satellite positioning system (SPS) when signals from SPS satellites are attenuated by the operating environment of a SPS receiver. A preferred...
|
|
|
6748197 |
Single antenna for receipt of signals from multiple communications systems
A method and device for using a single antenna for simultaneously receiving radio frequency signals in different L-band and GPS data band radio frequency bands embodied by example in a circuit...
|
|
|
6732050 |
Two-stage interacting multiple models filter for use in a global positioning system
A method, corresponding apparatus and corresponding system for determining a dynamical quantity of a receiver of signals conveying information useful in estimating the dynamical quantity, the...
|
|
|
6727425 |
Power generation satellite and transmission antenna apparatus
High-output transmitters are applied to a power generation satellite and a transmission antenna apparatus and a transmission antenna having an array antenna with a small number of element antennas...
|
|
|
6723912 |
Space photovoltaic power generation system
A power generation satellite has a photoelectric conversion unit for converting sunlight into electric energy, a transmission frequency conversion unit for performing frequency conversion of the...
|
|
|
6708019 |
Method and apparatus using transmit beam lobing for identifying an interfering mobile terminal
A method for rapidly monitoring and detecting a mobile terminal causing RF interference with one or more satellites orbiting in the vicinity of a target satellite, from a plurality of mobile...
|