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:
Sep. 23, 2014
Filed:
Dec. 29, 2009
Alexander Reznik, Titusville, NJ (US);
Alan Gerald Carlton, Mineola, NY (US);
Alain Charles Louis Briancon, Poolesville, MD (US);
Yogendra Shah, Exton, PA (US);
Prabhakar R. Chitrapu, Blue Bell, PA (US);
Alexander Reznik, Titusville, NJ (US);
Alan Gerald Carlton, Mineola, NY (US);
Alain Charles Louis Briancon, Poolesville, MD (US);
Yogendra Shah, Exton, PA (US);
Prabhakar R. Chitrapu, Blue Bell, PA (US);
InterDigital Technology Corporation, Wilmington, DE (US);
Abstract
A method for transmitting an encrypted signal to a wireless transmit/receive unit (WTRU) such that decryption of the encrypted signal depends on a trust zone associated with the WTRU is disclosed. The encryption may be performed using hierarchical modulation, scrambling, authentication, location validation, or a combination thereof. The size of a trust zone may also be adjusted.