公开(公告)号：US20220136832A1

公开(公告)日：2022-05-05

申请号：US17512301

申请日：2021-10-27

申请人： INVENSENSE, INC.

发明人： Gennadii Berkovich ,  Dmitry Churikov ,  Iurii Kotik ,  Vladimir Pentiukhov ,  Christopher Goodall

IPC分类号： G01C21/00 ,  G01C21/08 ,  G01C21/20 ,  G01C21/16

摘要： Magnetic-based collaborative positioning of a portable device involves obtaining magnetic field measurements for the portable device, obtaining magnetic fingerprint map information, obtaining parameters of motion of the portable device, obtaining collaborative assistance data from at least one neighbor portable device and determining position of the portable device based on the obtained magnetic field measurements, the obtained magnetic map information, the obtained motion parameters and the obtained collaborative assistance data.