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1. WO2020139886 - SYSTEMS AND METHODS FOR DETERMINING LOCATIONS OF WIRELESS SENSOR NODES BASED ON RADIO FREQUENCY COMMUNICATIONS BETWEEN THE NODES AND VARIOUS RF-ENABLED DEVICES

Publication Number WO/2020/139886
Publication Date 02.07.2020
International Application No. PCT/US2019/068480
International Filing Date 24.12.2019
IPC
G01S 5/02 2010.01
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 11/06 2006.01
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
06using intensity measurements
H04B 17/309
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
17Monitoring; Testing
30of propagation channels
309Measuring or estimating channel quality parameters
H04B 17/364
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
17Monitoring; Testing
30of propagation channels
309Measuring or estimating channel quality parameters
364Delay profiles
CPC
G01S 11/08
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
11Systems for determining distance or velocity not using reflection or reradiation
02using radio waves
08using synchronised clocks
G01S 5/0273
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
0273using multipath or indirect path propagation signals in position determination
G01S 5/0278
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
0278involving statistical or probabilistic considerations
G01S 5/0284
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
0284Relative positioning
G01S 5/0289
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
0284Relative positioning
0289of multiple transceivers, e.g. in ad hoc networks
G01S 5/14
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
14Determining absolute distances from a plurality of spaced points of known location
Applicants
  • LOCIX, INC. [US]/[US]
Inventors
  • SETH, Manu
  • KONG, Lingkai
  • YLAMURTO, Tommi
Agents
  • SCHWEIGERT, Jeremy
Priority Data
16/283,46522.02.2019US
62/785,09426.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR DETERMINING LOCATIONS OF WIRELESS SENSOR NODES BASED ON RADIO FREQUENCY COMMUNICATIONS BETWEEN THE NODES AND VARIOUS RF-ENABLED DEVICES
(FR) SYSTÈMES ET PROCÉDÉS POUR DÉTERMINER DES EMPLACEMENTS DE NOEUDS DE CAPTEURS SANS FIL SUR LA BASE DE COMMUNICATIONS RADIOFRÉQUENCE ENTRE LES NOEUDS ET DIVERS DISPOSITIFS ACTIVÉS PAR RF
Abstract
(EN)
Systems, apparatuses, and methods for determining locations of wireless nodes in a network architecture are disclosed herein. In one example, a system includes a first wireless node having a wireless device with one or more processing units and RF circuitry for transmitting and receiving communications in the wireless network architecture including a first RF signal having a first packet. A second wireless node having a wireless device with a transmitter and a receiver enables bi-directional communications with the first wireless node in the wireless network architecture including a second RF signal with a second packet. The one or more processing units of the first wireless node are configured to execute instructions to determine a round trip time estimate of the first and second packets, to determine channel state information (CSI) of the first and second wireless nodes, and to calibrate hardware to determine hardware delays of the first and second wireless nodes.
(FR)
La présente invention concerne des systèmes, des appareils et des procédés pour déterminer des emplacements de nœuds sans fil dans une architecture de réseau. Dans un exemple, un système comprend un premier nœud sans fil ayant un dispositif sans fil avec une ou plusieurs unités de traitement et des circuits RF pour émettre et recevoir des communications dans l’architecture de réseau sans fil comprenant un premier signal RF ayant un premier paquet. Un second nœud sans fil ayant un dispositif sans fil avec un émetteur et un récepteur permet des communications bidirectionnelles avec le premier nœud sans fil dans l’architecture de réseau sans fil comprenant un deuxième signal RF avec un second paquet. Les une ou plusieurs unités de traitement du premier nœud sans fil sont conçues pour exécuter des instructions afin de déterminer une estimation de durée totale du cycle des premier et second paquets, pour déterminer des informations d'état de canal (CSI) des premier et second noeuds sans fil, et pour étalonner un matériel afin de déterminer des retards du matériel des premier et second noeuds sans fil.
Also published as
Latest bibliographic data on file with the International Bureau