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9037318 Systems and methods for providing aircraft heading information  
Systems and methods for providing aircraft heading information are provided. In one embodiment, an attitude heading reference device comprises: at least one interface for receiving heading...
9020755 AD-HOC differential GPS referencing using parked vehicles  
A method of determining a position of a moving vehicle. A global position is detected by a global positioning device of at least one parked vehicle in a vicinity of the moving vehicle. The global...
9003554 Verification that a user attempting to access content is a human user  
An easier and less frustrating way of verifying that a user attempting to access content is a human user is provided. For example, data indicative of a request by a user to access content from a...
8976064 Systems and methods for solution separation for ground-augmented multi-constellation terminal area navigation and precision approach guidance  
A navigation system includes first receiver receiving satellite signals, second receiver receiving differential correction data from ground receivers, and processing device coupled to receivers....
8912900 Information acquisition device, positional information storage method and storage medium  
An information acquisition device, includes: a positioning unit that measures a current position and acquires positional information thereof; an information acquisition unit that acquires...
8909471 Voting system and method using doppler aided navigation  
A position determining voting system that uses Doppler information from an on-board weather radar to improve the system's accuracy and/or fault tolerance includes a comparison function and an...
8898011 Method for maintaining integrity against erroneous ephemeris for a differential GPS based navigation solution supporting fast system startup  
Technology for generating a H1 protection level from an N−1 position in a global positioning system (GPS) receiver is disclosed. One approach can include an H1 monitor configured to generate an H1...
8892331 Drive assist system and wireless communication device for vehicle  
A drive assist system includes: wireless communication devices on first and second vehicles. The wireless communication device on the first vehicle includes: a distance calculation device for...
8867531 Systems and methods for IP and VoIP device location determination  
A method and system for precise position determination of general Internet Protocol (IP) network-connected devices. A method enables use of remote intelligence located at strategic network points...
8849569 Method and apparatus for transforming overbounds  
A method for determining overbounds comprises the steps of determining conservative overbounds (qi) of at least one error (εi) in a first phase space, multiplying the conservative overbounds (qi)...
8842717 Method and apparatus for rapid acquisitions of GPS signals in space applications  
A global positioning system (GPS) receiver that is configured to rapidly acquire GPS signals in space applications and a method for rapidly acquiring GPS signals in space applications is...
8803735 Portable base station network for local differential GNSS corrections  
A DGNSS-based guidance system, wherein a rover receiver first utilizes data from a master base station transceiver, a DGNSS reference network, or some other differential source to compute a...
8787943 Method and system for localizing mobile communication terminals  
Systems and methods are disclosed for determining a geographic position of a mobile communications terminal operable in a wireless communications network. According to one embodiment, a first...
8742984 Integrity method for differential corrections  
A system and method of calculating corrections to a navigation solution based on accurate data are provided. GNSS ephemeris, clock models and other navigation information are received from at...
8655578 Positioning device, positioning method and storage medium  
An electronic device 1 receives ephemeris information from a GPS satellite at intermittent timings TE1, TE2, and TE3 and stores the received information in its memory. In addition, the electronic...
8638774 Controlling timing of synchronization updates  
A base station for use in a mobile communications network includes a frequency synthesizer for generating signals at desired frequencies and a packet data interface for transmitting and receiving...
8630805 Methods and systems for creating maps with radar-optical imaging fusion  
A method of mapping a space using a combination of radar scanning and optical imaging. The method includes steps of providing a measurement vehicle having a radar system and an image acquisition...
8564480 Satellite based augmentation system  
A system for augmenting the availability and performance of a satellite geolocation system uses a behavior model of at least one of the satellites of the satellite geolocation system. The behavior...
8554135 Controlling power dissipation in a base station of a navigation satellite system (NSS)  
A method and system for controlling power dissipation in a base station of a navigation satellite system (NSS) is disclosed. One method utilizes a sensor to monitor one or more components of the...
8508402 System and method for detecting, locating and identifying objects located above the ground and below the ground in a pre-referenced area of interest  
The invention relates to a system and method for detecting, locating and identifying objects located above ground or below ground in an area of interest, comprising an airborne vehicle which...
8504289 Method and apparatus for controlling data communication units in navigation receiver  
Navigation data processing system, comprising a navigation receiver that receives a positioning signal; a data communication subsystem comprising a plurality of data communication units for...
8456353 Method and system for determining clock corrections  
A satellite clock error is determined for each navigation satellite based on the pseudo-range code measurements, the carrier phase measurements, and broadcast satellite clock errors provided by a...
8457814 Radar monitoring device  
When a vehicle moves into a radar prohibited area preset for the neighborhood of a facility that suffers adverse effects from radar waves, emission of radar waves is stopped, and a voice guidance...
8300813 Secure information transfer based on global position  
Secure communication of information is effected from a first party to a second party when the first party knows its own global location and the global location of the second party, and employs...
8259008 DGNSS correction for positioning  
Techniques for supporting positioning with differential corrections are described. In an aspect, differential correction for a satellite may include (i) a user differential range error (UDRE)...
8242953 Distance dependent error mitigation in real-time kinematic (RTK) positioning  
A method for mitigating atmospheric errors in code and carrier phase measurements based on signals received from a plurality of satellites in a global navigation satellite system is disclosed. A...
8232917 Post-mission high accuracy position and orientation system  
A method of generating post-mission position and orientation data comprises generating position and orientation data representing positions and orientations of a mobile platform, based on global...
8193978 Positioning system and method using GPS with wireless access points  
Embodiments of an improved assisted global positioning system (GPS) method and system are described. Wireless access points send assistance data to GPS receivers that are integrated into cellular...
8188912 Altitude constrained GPS  
A method of improving accuracy of position coordinates of a positioning device is provided. The method comprises: (A) obtaining a 3D reference solution for reference position coordinates of an...
8174437 System and method for augmenting DGNSS with internally-generated differential correction  
In the invention, a rover receiver first utilizes data from a base Receiver, a DGNSS reference network, or other differential source to compute a differentially corrected location. Then, using...
8144810 Serial radio frequency to baseband interface with programmable clock  
An interface between an RF processing section and a baseband processing section supports general purpose message transmission as well as satellite positioning system signal sample transmission...
8134497 Method and system for location-dependent time-specific correction data  
A method and system for delivery of location-dependent time-specific corrections. In one embodiment, a first extended-lifetime correction for a first region is generated. A distribution timetable...
8089397 Method for processing radionavigation signals  
The satellites of a constellation of satellites each transmit, on distinct frequencies, a first and a second radionavigation signal, respectively. Each station of a reference network from which a...
8077085 Methods for processing correction messages, correcting position measurements of GNSS receiver, and related apparatuses  
Methods and apparatuses for processing correction messages in a GNSS receiver are provided. One of the proposed methods includes providing a first storage unit; receiving a plurality of correction...
7994972 Method and apparatus for operating a navigation satellite system  
A satellite navigation system generates a smooth and flexible parameterization of satellite orbits and/or clock corrections. The satellite orbit(s) and/or the satellite clock corrections, are...
7982667 Post-processed accuracy prediction for GNSS positioning  
Methods and apparatus for processing of data from GNSS receivers are presented. (1) A real-time GNSS rover-engine, a long distance multi baseline averaging (MBA) method, and a stochastic...
7969352 Global positioning system accuracy enhancement  
Methods and systems enhance the accuracy of the global positioning system (GPS) using a low earth orbiting (LEO) satellite constellation. According to embodiments described herein, GPS data is...
7961717 System and methods for IP and VoIP device location determination  
A method and system for precise position determination of general Internet Protocol (IP) network-connected devices. A method enables use of remote intelligence located at strategic network points...
7961141 Methods and systems to increase accuracy in the navigation of single frequency receivers  
In a method of mitigating errors in satellite navigation measurements at a satellite navigation receiver, respective single-frequency signals are received from respective satellites in a plurality...
7940210 Integrity of differential GPS corrections in navigation devices using military type GPS receivers  
A method and apparatus for calculating corrections to a navigation solution based on differential GPS data includes receiving GPS ephemeris from at least three GPS satellites. A PVT solution is...
7898470 Method and system for monitoring the positions of multiple towed vehicles using a single high accuracy receiver  
In a system for determining the positions of multiple towed vehicles that are towed by a towing vehicle, a satellite antenna is provided on each towed vehicle and a high accuracy satellite...
7760138 GNSS receiver with enhanced accuracy using two signal carriers  
A satellite positioning receiver is disclosed having at least one receive channel. Each receive channel is intended to perform a combined processing of a first S1 and a second S2 radiofrequency...
7755542 GNSS signal processing methods and apparatus  
Methods and apparatus for processing of data from a network of GNSS reference stations are presented. An ionosphere-free, federated geometry filter is employed so that computation time increases...
7755541 System and method for tracking vehicles and containers  
A location system for tracking assets within a terminal includes a Differential Global Positioning System (DGPS) reference receiver within the terminal that receives GPS signals and generates DGPS...
7751974 Navigation processing for a satellite positioning system receiver  
A method for navigation processing in a satellite positioning system receiver is disclosed. A method in accordance with the present invention comprises separating the three SATPS satellites into a...
7679554 Communications link time transfer to improve navigation system accuracy  
A method and apparatus for improving differential navigation accuracy uses time transfer over a two-way communications link. The communications link transmits an overall time offset between a...
7576690 Position determination with reference data outage  
Position determination at a rover station on the basis of positioning signals from a plurality of positioning satellites. During normal operation a position of the rover station is determined on...
7522099 Position determination using carrier phase measurements of satellite signals  
Disclosed is a method and apparatus for determining the relative position of a mobile unit that moves from an initial location to a plurality of successive positions. The mobile unit receives...
7471239 Methods for processing external correction messages, correcting position measurements of GNSS receiver, and related apparatuses  
Methods and apparatuses for processing external correction messages in a GNSS receiver are provided. One of the proposed methods includes providing a first storage unit; receiving a plurality of...
7420878 System and method for precision acoustic event detection  
A system and method for providing precision locations for sensors which make up an array of sensors in a gunshot detection system. In a preferred embodiment sensors employ a commercial GPS which...

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