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1. WO2022165150 - SATELLITE BASED POSITIONING NAVIGATION AND TIMING SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT

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Publication Number WO/2022/165150
Publication Date 04.08.2022
International Application No. PCT/US2022/014274
International Filing Date 28.01.2022
IPC
G01S 19/08 2010.1
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS , GLONASS or GALILEO
03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
08providing integrity information, e.g. health of satellites or quality of ephemeris data
G01S 19/49 2010.1
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
39the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS , GLONASS or GALILEO
42Determining position
48by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
49whereby the further system is an inertial position system, e.g. loosely-coupled
CPC
G01S 19/03
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
G01S 19/08
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
03Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
08providing integrity information, e.g. health of satellites or quality of ephemeris data
G01S 19/215
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
13Receivers
21Interference related issues ; ; Issues related to cross-correlation, spoofing or other methods of denial of service
215issues related to spoofing
G01S 19/49
GPHYSICS
01MEASURING; TESTING
SRADIO 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
19Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
39the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
42Determining position
48by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
49whereby the further system is an inertial position system, e.g. loosely-coupled
Applicants
  • TRUSTPOINT, INC. [US]/[US]
Inventors
  • GICK, Jeffrey
  • HILDEBRAND, John
  • DAWSON, Simon
  • SHANNON, Patrick
  • SCHMITT, George
Agents
  • LYTLE, Bradley D.
Priority Data
63/143,23829.01.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) SATELLITE BASED POSITIONING NAVIGATION AND TIMING SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT
(FR) SYSTÈME DE POSITIONNEMENT, DE NAVIGATION ET DE SYNCHRONISATION PAR SATELLITE, PROCÉDÉ ET PRODUIT DE PROGRAMME INFORMATIQUE
front page image
Abstract
(EN) A receiver authenticates a wideband (WB) signal from global navigation satellites (GNSS) using a narrowband (NB) signal that is also transmitted from the satellites. The NB signal includes segments that are transmitted in time and frequency slots of successive transmission frames. The NB signal is less susceptible to a smart WB jammer. Also, the NB signal segments may also be transmitted at a relative power level with respect to the WB signal, where the relative power level may vary in a known pattern so as to distinguish the WB signal of the satellite from a stronger WB signal from a smart jammer.
(FR) L'invention concerne un récepteur qui authentifie un signal à large bande provenant d'un système global de navigation par satellite (GNSS) à l'aide d'un signal à bande étroite également transmis par les satellites. Le signal à bande étroite comprend des segments qui sont transmis dans des intervalles de temps et de fréquence de trames de transmission successives. Le signal à bande étroite est moins sensible à un brouilleur à large bande intelligent. En outre, les segments du signal à bande étroite peuvent également être transmis à un degré de puissance relatif par rapport au signal à large bande, le degré de puissance relatif pouvant varier selon un modèle connu de manière à distinguer le signal à large bande du satellite d'un signal à large bande plus fort provenant d'un brouilleur intelligent.
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