Title: Watermarks/signatures for wireless communications
Application Number: 200580002328 Application Date: 2005.01.12
Publication Number: 1954539 Publication Date: 2007.04.25
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H04L9/00;H04K1/00
Applicant(s) Name: Interdigital Tech Corp. Address:
Inventor(s) Name: Olesen Robert Lind;Chitrapu Prabhakar R.;Chiang Bi
Attorney & Agent: renyong wu
Abstract:
    At least one user data stream is layer 2/3 processed, physical layer processed and radio frequency processed. A watermark/signature is embedded at at least one of layer 2/3, physical layer or radio frequency, producing an embedded wireless communication. The embedded wireless communication is wirelessly transferred. The embedded wireless communication is received and the watermark/signature is extracted from the embedded wireless communication.
Time: 9
<- Previous Patent:Secured communicating method and ...   |  Next Patent:Method of managing digital rights ->