Satellite radio beacon positioning systems Determining position, velocity or attitude using signals transmitted by such systems

GPHYSICS G01Measuring instruments G01SRADIO DIRECTION-FINDING RADIO NAVIGATION DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES ANALOGOUS ARRANGEMENTS USING OTHER WAVES

G01S19/00Satellite radio beacon positioning systems Determining position, velocity or attitude using signals transmitted by such systems

G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages G01S19/015Arrangements for jamming, spoofing or other methods of denial of service of such systems G01S19/02Details of the space or ground control segments G01S19/03Cooperating elements Interaction or communication between different cooperating elements or between cooperating elements and receivers G01S19/04providing carrier phase data G01S19/05providing aiding information G01S19/06employing an initial estimate of the location of the receiver as aiding data or in generating aiding data G01S19/07providing data for correcting measured positioning data G01S19/08providing integrity information G01S19/09providing processing capability normally carried out by the receiver G01S19/10providing dedicated supplementary positioning signals G01S19/11wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters G01S19/12wherein the cooperating elements are telecommunication base stations G01S19/13Receivers G01S19/14specially adapted for specific applications G01S19/15Aircraft landing systems G01S19/16Anti-theft Abduction G01S19/17Emergency applications G01S19/18Military applications G01S19/19Sporting applications G01S19/20Integrity monitoring, fault detection or fault isolation of space segment G01S19/21interference related issues; Issues related to cross-correlation, spoofing or other methods of denial of service G01S19/215issues related to spoofing G01S19/22Multipath-related issues G01S19/23Testing, monitoring, correcting or calibrating of receiver elements G01S19/235Calibration of receiver components G01S19/24Acquisition or tracking or demodulation of signals transmitted by the system G01S19/243Demodulation of navigation message G01S19/246involving long acquisition integration times, extended snapshots of signals or methods specifically directed towards weak signal acquisition G01S19/25involving aiding data received from a cooperating element G01S19/252Employing an initial estimate of location in generating assistance data G01S19/254relating to Doppler shift of satellite signals G01S19/256relating to timing G01S19/258relating to the satellite constellation G01S19/26involving a sensor measurement for aiding acquisition or tracking G01S19/27creating, predicting or correcting ephemeris or almanac data within the receiver G01S19/28Satellite selection G01S19/29carrier, including Doppler, related G01S19/30code related G01S19/31Acquisition or tracking of other signals for positioning G01S19/32Multimode operation in a single same satellite system G01S19/33Multimode operation in different systems which transmit time stamped messages G01S19/34Power consumption G01S19/35Constructional details or hardware or software details of the signal processing chain G01S19/36relating to the receiver frond end G01S19/37Hardware or software details of the signal processing chain G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system G01S19/39the satellite radio beacon positioning system transmitting time-stamped messages G01S19/40Correcting position, velocity or attitude G01S19/41Differential correction G01S19/42Determining position G01S19/421by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system G01S19/423by combining or switching between position solutions derived from different satellite radio beacon positioning systems G01S19/425by combining or switching between signals derived from different satellite radio beacon positioning systems G01S19/426by combining or switching between position solutions or signals derived from different modes of operation in a single system G01S19/428using multipath or indirect path propagation signals in position determination G01S19/43using carrier phase measurements G01S19/44Carrier phase ambiguity resolution Floating ambiguity LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method G01S19/45by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement G01S19/46the supplementary measurement being of a radio-wave signal type G01S19/47the supplementary measurement being an inertial measurement G01S19/48by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system G01S19/49whereby the further system is an inertial position system G01S19/50whereby the position solution is constrained to lie upon a particular curve or surface G01S19/51Relative positioning G01S19/52Determining velocity G01S19/53Determining attitude G01S19/54using carrier phase measurements using long or short baseline interferometry G01S19/55Carrier phase ambiguity resolution Floating ambiguity LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method