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| Number | Title | Issue Date |
| 8188914 | Wireless communication device and associated method including control of positioning-system receiver and shared oscillator The wireless communication device includes a wireless communication transceiver to generate an oscillator control signal and an activation signal, a positioning-system receiver (e.g. a GPS receiver) to process received positioning signals, and a shared oscillator (e... | 05/29/2012 |
| 8179310 | Method for sensing a threat A method employed for threat analysis based on the passive-radar principle, using the transmitter in navigation satellites, a plurality of receiving stations, which are operated distributed over wide regions, and at least one evaluation center. The receiving station... | 05/15/2012 |
| 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 this location and data observed only at the rover, the rover computes an ... | 05/08/2012 |
| 8169369 | Method and device for generating a location signal A frequency generation unit (FGU) in a communication device includes a voltage controlled oscillator (VCO), an adjustable filter having a capacitive element for wideband operation, a current source with variable gain, and chirp generation control circuitry (CGC) tha... | 05/01/2012 |
| 8159392 | Frequency aiding method and system for navigation satellite receiver with crystal oscillator frequency hysteresis A method and apparatus for estimating oscillator signal variation due to temperature and for providing an estimated frequency to a GPS receiver in order to assist the GPS receiver to acquire the signals quickly is disclosed. A temperature sensor is closely thermally... | 04/17/2012 |
| 8154445 | System and method for frequency domain correction of global navigation satellite system pseudorance measurements in receivers having controlled reception pattern antennas Global Navigation Satellite System (GNSS) pseudorange measurements must be compensated for receiver hardware and directionally dependent antenna errors to obtain desired accuracies for high precision GNSS positioning applications. The problem of pseudorange measurem... | 04/10/2012 |
| 8154442 | Method and apparatus for navigation systems The invention relates to navigation systems and elements. A network element (M) includes a controlling element (M.1) for forming assistance data relating to one or more reference stations (S1, S2) of at least one navigation system; and a transmitter (M.3.1) for tran... | 04/10/2012 |
| 8154447 | Position calculating method and position calculating device A position calculating method includes: determining a positioning satellite used for position calculation on the basis of at least reliability of satellite orbits in a prediction target period corresponding to a position calculation point, the reliability of satelli... | 04/10/2012 |
| 8154440 | GPS pathfinder cell phone and method A device and system for use in emergency management operations before and after a disaster. The device incorporates a GPS and a radio with very simplified, pre-programmed instructions which are uploaded automatically in the device's memory via wireless technology pr... | 04/10/2012 |
| 8138970 | GNSS-based tracking of fixed or slow-moving structures A multi-antenna GNSS system and method provide earth-referenced GNSS heading and position solutions. The system and method compensate for partial blocking of the antennas by using a known attitude or orientation of the structure, which can be determined by an orient... | 03/20/2012 |
| 8134499 | Ultra-tightly coupled GPS and inertial navigation system for agile platforms An Ultra-Tightly Coupled GPS-inertial navigation system for use in a moving agile platform includes a range residual extractor that uses best curve fitting of a third order polynomial for estimating range residual. The curve-fitted residual is used to update an erro... | 03/13/2012 |
| 8125381 | Satellite-based positioning system improvement A method, device and system for determining a receiver location using weak signal satellite transmissions. The invention involves a sequence of exchanges between an aiding source and a receiver that serve to provide aiding information to the receiver so that the rec... | 02/28/2012 |
| 8125383 | Positioning method, program thereof, and positioning device A positioning method includes (a) adding cumulatively each of an I component and a Q component of a received signal of a positioning signal per polarity, the positioning signal being spread-modulated with a spread code reversed in polarity by a navigation data, (b) ... | 02/28/2012 |
| 8125389 | Doppler-aided positioning, navigation, and timing using broadcast television signals Methods having corresponding apparatus and tangible computer-readable media comprise: determining a plurality of first pseudoranges based on a plurality of respective wireless television signals received by an apparatus and a clock signal generated by the apparatus,... | 02/28/2012 |
| 8115392 | Device for generation of microwaves The invention relates to a device for generation of microwaves comprising a coaxial virtual cathode oscillator (1) with an outer cylindrical tube forming a cathode (2) and connected to a transmission line (8) for feeding the cathode (2) w... | 02/14/2012 |
| 8106822 | System and method for GNSS position aided signal acquisition A Global Navigation Satellite System (GNSS) device, such as the Global Positioning System (GPS) device, uses satellite orbital position information from almanac and/or ephemeris data to change a search parameter, such as reducing the number of analyzed frequency bin... | 01/31/2012 |
| 8102313 | Retroreflecting transponder The Method for transmitting a signal from a transmitter in an area around the transmitter via a satellite comprising the steps of transmitting a first signal having a first frequency from the transmitter to a satellite having a ret... | 01/24/2012 |
| 8098199 | Array antenna apparatus including multiple steerable antennas and capable of avoiding affection among steerable antennas A steerable antenna includes an radiating antenna element and parasitic antenna elements. Each of the parasitic antenna elements is provided with a pair of PIN diodes. On each of control lines connecting the PIN diodes to a controller, inductors are provided at pred... | 01/17/2012 |
| 8094067 | Method and system for determining a position of a mobile communication device A GNSS enabled mobile device transmits to a location server a combination of GNSS-based location data and non-GNSS based location data used to determining reference positions at the location server. The GNSS mobile device receives the determined reference positions ... | 01/10/2012 |
| 8094068 | Process for improving the continuity in the case of a two-frequency navigation satellite system A process for improving continuity in a two-frequency navigation satellite system includes steps of i) observing the ionosphere by measurements in the two or more frequency bands; and ii) transmitting an alert message which informs user systems of a change of the io... | 01/10/2012 |
| 8089400 | Network assisted GPS positioning for Femto Cells in wireless networks Network designs and techniques for using a navigation satellite positioning system to operate a femto cell base station in a wireless network. ... | 01/03/2012 |
| 8085193 | System and method for preventing A-GPS devices from searching for specific satellites A system and method for estimating the location of a wireless device. A set of satellites may be determined as a function of an approximate area in which the wireless device is located. Assistance data is transmitted to the device including information from the set ... | 12/27/2011 |
| 8085195 | Method and apparatus for providing a global secure user plane location (SUPL) service A method and apparatus for providing assistance data for satellite positioning system receivers utilizing a secure user plane location (SUPL) service. In one embodiment, the assistance data is supplied by a global secure user plane location center that contains glob... | 12/27/2011 |
| 8072373 | Method for accuracy estimation of network based corrections for a satellite-aided positioning system In a method for accuracy estimation of network based corrections for a satellite-aided positioning system, with a network of reference stations code and phase measurements are recorded by the reference stations and transferred to a network processing centre. The mea... | 12/06/2011 |
| 8068054 | Receiver with means for ensuring bona fide of received signals A receiver that receives a plurality of signals that are modulated with a common carrier, where each signal of said signals originates at a different source and experiences a transit delay and Doppler frequency shift before reaching the receiver, and where the trans... | 11/29/2011 |
| 8068056 | Location reporting with secure user plane location (SUPL) Techniques for supporting periodic and other location services with Secure User Plane Location (SUPL) and other location architectures are described. The techniques can provide position estimates for a SUPL enabled terminal (SET) to a SUPL agent periodically and/or ... | 11/29/2011 |
| 8063818 | Cross-PRN phase correction for GPS processing Methods and systems are provided for accessing GPS signals in faded environments. Means are provided for predicting the nonlinear phase induced by the receiver's own clock, when there is at least one GPS satellite link strong enough to calculate a phase profile. In ... | 11/22/2011 |
| 8063823 | Method for generating a location signal A communication device uses its FGU to generate a location signal that can be used by a reference device to calibrate the communication device and to determine the distance of the communication device from the reference device. The communication device: receives, fr... | 11/22/2011 |
| 8059027 | Correcting GPS through secondary sensors and signal strength Systems and methods that mitigate errors in positioning systems, by employing signal strength(s) of signal sources (e.g., towers adjacent to a mobile unit.) Such mitigation system verifies whether the mobile unit receiving GPS data is in static position (e.g., not m... | 11/15/2011 |
| 8059031 | Beam switching antenna system and method and apparatus for controlling the same A beam switching antenna method and apparatus for controlling a beam switching antenna system including an antenna element for forming a beam, at least one conductive reflector for reflecting the beam, and a ground switch for applying a reference voltage to the leas... | 11/15/2011 |
| 8035562 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver An advanced multiple-beam GPS receiving system is achieved that is capable of simultaneously tracking multiple GPS satellites independently, detecting multiple interference signals individually, and suppressing directional gain in the antenna pattern of each beam in... | 10/11/2011 |
| 8035555 | Spreading codes for a satellite navigation system One embodiment of the present invention provides a method of creating a set of spreading codes for use in a satellite navigation system comprising a constellation of satellites. Each satellite in the constellation is to be allocated a spreading code from the set of ... | 10/11/2011 |
| 8035552 | Distance dependant 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 residual tropospheric delay and a plurality of residual ionospheric del... | 10/11/2011 |
| 8031121 | Apparatus for position detection using multiple antennas An apparatus includes a transmitter and a receiver device, which includes a receiver section and a processing module. The transmitter transmits a high carrier frequency signal. The receiver section includes first and second antennas that have an antenna radiation re... | 10/04/2011 |
| 8031118 | Phase correction apparatus, DVOR apparatus, and phase correction method A phase correction apparatus comprising a storing means configured to store a phase correction value associated with each of a plurality of transmission antennas in which the phase correction value is calculated according to an electrical length of a signal path ext... | 10/04/2011 |
| 8031113 | System and method to obtain signal acquisition assistance data Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices seeking signals from any source, such as satellite vehicles and base stations. The data may be obtained from previously acquired data, based upon... | 10/04/2011 |
| 8031120 | Wireless position location and tracking system Techniques for accurate position location and tracking suitable for a wide range of facilities in variable environments are disclosed. In one aspect, a system for position location comprises a plurality of sensors (e.g. a network monitor, an environment sensor) for ... | 10/04/2011 |
| 8026846 | Mobile radiation surveillance network A detection system and method having at least one detection unit, and a control center unit. The detection unit includes at least one sensor configured to generate sensor data correlated to sensed conditions, a locator for actively determining location data c... | 09/27/2011 |
| 8026847 | System and/or method for acquisition of GNSS signals The subject matter disclosed herein relates to a system and method for acquiring signal received from space vehicles (SVs) in a satellite navigation system. In one example, although claimed subject matter is not so limited, information processed in acquiring a signa... | 09/27/2011 |
| 8013788 | Assistance to a mobile SPS receiver A method is described, for use with an SPS mobile terminal receiver 102, of providing a compact assistance vector to initialize and constrain the computation of the terminal's location within a region of validity. The compact assistance vector is provided to ... | 09/06/2011 |
