The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 2021
Filed:
Oct. 02, 2018
Thales Dis Ais Deutschland Gmbh, Munich, DE;
Volker Breuer, Boetzow, DE;
Lars Wehmeier, Falkensee, DE;
Osaid Khaliq, Berlin, DE;
Thomas Ulrich, Bad Dürkheim, DE;
Uwe Dummann, Panketal, DE;
THALES DIS AIS DEUTSCHLAND GMBH, Munich, DE;
Abstract
A method for securing a direct communication connection between a first and a second user equipment, both configured to operate with base stations of a wireless network, in which the first user equipment maintains an authentication code received from a first security center accessible via the wireless network, said first security center being assigned to a first area, the method comprising the steps for the first user equipment of: maintaining a trust level of the authentication code, reducing the trust level relating to the time of last access to one of the base stations of the wireless network, submitting to the second user equipment the authentication code and the trust level, for setting up the direct communication connection, and in case of reception of a confirmation transmission from the second user equipment: setting up the direct communication connection with the second user equipment.