Patent ID: 9013326
Filing Date: 2015-04-21
Classification: G01S,G08G,H04L

Abstract:
1. A method for determining the occupation state of a parking space, said occupation state being alternatively free, if said parking space is not occupied by any vehicle, legitimately occupied, if said parking space is occupied by an authorized vehicle, or illegitimately occupied, if said parking space is occupied by an unauthorized vehicle, said method comprising the steps of: providing a first detection unit comprising a radar of the frequency modulated continuous wave radar type; providing a decision unit and a second detection unit; transmitting a first communication signal by said radar, said first communication signal being modulated on the basis of a first identification code, alternatively indicating either said parking space or a vehicle; receiving said first communication signal by said second detection unit; demodulating said first identification code by said second detection unit starting from said first communication signal; transmitting said first identification code by said second detection unit to the decision unit; and determining said occupation state by said decision unit on the basis of said first identification code and a second identification code, alternatively indicating either the vehicle or said parking space.