公开(公告)号：EP1704694A4

公开(公告)日：2007-08-01

申请号：EP05705615

申请日：2005-01-12

Applicant: INTERDIGITAL TECH CORP

Inventor： OLESEN ROBERT LIND ,  CHITRAPU PRABHAKAR R ,  CHIANG BING A ,  HERSCHAFT RICHARD DAN ,  HOFFMAM JOHN ERICH ,  SHIN SUNG-HYUK ,  REZNIK ALEXANDER ,  KAEWELL JOHN DAVID JR

IPC: H04L9/00 ,  H04K1/00 ,  H04L29/06 ,  H04M1/66 ,  H04M1/68 ,  H04W12/00 ,  H04W12/02 ,  H04W12/06

CPC classification number: H04L63/12 ,  H04L63/08 ,  H04L2463/101 ,  H04L2463/103 ,  H04W12/02 ,  H04W12/10

Abstract: At least one user data stream is layer 2/3 processed [Fig.3. ref. 24], physical layer processed [Fig. 3, ref. 26] and radio frequency processed [Fig. 3, ref. 28]. A watermark/signature is embedded [Fig. 3, ref. 30] at least one of layer 2/3, [Fig. 3, ref. 24] physical layer [Fig. 3, ref. 24] or radio frequency [Fig. 3, ref.28], producing an embedded wireless communication. The embedded wireless communication is wirelessly transferred [Fig. 3, ref. 36]. The embedded wireless communication is received [Fig. 3, ref. 34] and the watermark/signature is extracted [Fig. 3, ref. 34] from the embedded wireless communication.