公开(公告)号：US11753054B2

公开(公告)日：2023-09-12

申请号：US16714175

申请日：2019-12-13

Applicant: THALES CANADA INC

Inventor： Alon Green ,  Kevin Tobin ,  Marco De Thomasis

IPC: B61L25/02

CPC classification number: B61L25/025

Abstract: A method for determining rail vehicle location and identifying obstacles, which includes operations of transmitting, from at least two vehicle beacons on a first vehicle, a ranging signal to at least two external beacons; receiving, at the at least two vehicle beacons, a return signal from the at least two external beacons; and determining, based on the return signal from the at least two external beacons, a position of each of the external beacons with respect to the at least two vehicle beacons of the first vehicle.