公开(公告)号：US20220026235A1

公开(公告)日：2022-01-27

申请号：US17494483

申请日：2021-10-05

Applicant: Astra Navigation, Inc.

Inventor： Alexandre TOUTOV ,  Maryna MUKHINA ,  Svitlana ILNYTSKA

IPC: G01C21/00 ,  G01S19/49 ,  G01C21/16 ,  G01C21/08

Abstract: In one embodiment, a method includes collecting, by a magnetic navigation device, magnetic measurements of a particular geographical region in accordance with a position and trajectory of the magnetic navigation device; accessing a global navigation satellite system (GNSS) signal status and a network connection status on the magnetic navigation device; determining an operational mode for the magnetic navigation device based on the GNSS signal status and the network connection status; determining whether to transmit the magnetic measurements to a server or store the magnetic measurements locally on the magnetic navigation device based on the operational mode; and performing navigation or localization operations using the operational mode.

公开(公告)号：US20210396524A1

公开(公告)日：2021-12-23

申请号：US17348561

申请日：2021-06-15

Applicant: Astra Navigation, Inc.

Inventor： Alexandre TOUTOV ,  Maryna MUKHINA ,  Svitlana ILNYTSKA

IPC: G01C21/16 ,  G01C21/00

Abstract: In one embodiment, a method includes at a mapping server receiving from a plurality of regional servers a plurality of regional magnetic data sets; at the mapping server updating a geomagnetic map with one or more of the regional magnetic data sets, wherein the geomagnetic map comprises one or more of the geographic regions; and from the mapping server communicating one or more portions of the geomagnetic map as updated to one or more of the regional servers for distribution as geomagnetic map information to one or more of the magnetic navigation devices for localization or navigation.