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1. WO2022010393 - METHODS AND APPARATUS FOR POSITIONING OF A MOVING UNMANNED AERIAL VEHICLE

Publication Number WO/2022/010393
Publication Date 13.01.2022
International Application No. PCT/SE2020/050726
International Filing Date 10.07.2020
IPC
G01S 5/02 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
5Position-fixing by co-ordinating two or more direction or position-line determinations; Position-fixing by co-ordinating two or more distance determinations
02using radio waves
G01S 11/10 2006.1
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
11Systems for determining distance or velocity not using reflection or reradiation
02using radio waves
10using Doppler effect
Applicants
  • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) [SE]/[SE]
Inventors
  • WIGREN, Torbjörn
  • YASINI, Sholeh
Agents
  • SJÖBERG, Mats
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND APPARATUS FOR POSITIONING OF A MOVING UNMANNED AERIAL VEHICLE
(FR) PROCÉDÉS ET APPAREIL DE LOCALISATION D'UN VÉHICULE AÉRIEN SANS PILOTE EN MOUVEMENT
Abstract
(EN) A method of determining the position of a moving unmanned aerial vehicle (UAV) is provided. The method comprises obtaining, for each of three or more base stations, one or more measurements of a carrier frequency offset (CFO) for one or more signals sent between a moving UAV and the respective base station. The method further comprises inputting the CFO measurements into a model to determine a position of the UAV, in which inputs to the model do not include range measurements of the UAV with respect 0to the three or more base stations.
(FR) L'invention concerne un procédé de détermination de la position d'un véhicule aérien sans pilote (UAV) en mouvement. Le procédé consiste à obtenir, pour chacune d'au moins trois stations de base, une ou plusieurs mesures d'un décalage de fréquence porteuse (CFO) pour un ou plusieurs signaux envoyés entre un UAV en mouvement et la station de base respective. Le procédé consiste en outre à entrer les mesures CFO dans un modèle pour déterminer une position de l'UAV, des entrées dans le modèle ne comprenant pas de mesures de portée de l'UAV par rapport auxdites stations de base.
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