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:
Apr. 19, 2011
Filed:
Jan. 13, 2005
Prabhakar R. Chitrapu, Blue Bell, PA (US);
John David Kaewell, Jr., Jamison, PA (US);
Robert Lind Olesen, Huntington, NY (US);
Sung-hyuk Shin, Northvale, NJ (US);
John Erich Hoffmann, Indialantic, FL (US);
Richard Dan Herschaft, Whitestone, NY (US);
Prabhakar R. Chitrapu, Blue Bell, PA (US);
John David Kaewell, Jr., Jamison, PA (US);
Robert Lind Olesen, Huntington, NY (US);
Sung-Hyuk Shin, Northvale, NJ (US);
John Erich Hoffmann, Indialantic, FL (US);
Richard Dan Herschaft, Whitestone, NY (US);
InterDigital Technology Corporation, Wilmington, DE (US);
Abstract
A method and apparatus for protecting and authenticating wirelessly transmitted digital information using numerous techniques. The apparatus may be a wireless orthogonal frequency division multiplexing (OFDM) communication system, a base station, a wireless transmit/receive unit (WTRU), a transmitter, a receiver and/or an integrated circuit (IC). The wireless OFDM communication system includes a transmitter which steganographically embeds digital information in an OFDM communication signal and wirelessly transmits the OFDM communication signal. The system further includes a receiver which receives the OFDM communication signal and extracts the steganographically embedded digital information from the received OFDM communication signal.