Secure modulation and demodulation

Details Secure modulation and demodulation Secure modulation and demodulation

2008-05-06

2008-05-06

Zand, Kambiz (Department: 2134)

Cryptography

Key management

Having particular key generator

C380S270000, C380S028000, C713S171000

Reexamination Certificate

active

07369658

ABSTRACT:
A system and method are disclosed for securely transmitting and receiving a signal. A nonlinear keying modulator is used in the transmitter to encrypt the signal using a nonlinear keying modulation technique. A nonlinear keying demodulator is used in the receiver to decrypt the signal.

REFERENCES:
patent: 4829236 (1989-05-01), Brenardi et al.
patent: 4908860 (1990-03-01), Caprarese et al.
patent: 5025453 (1991-06-01), Hurinville
patent: 5841866 (1998-11-01), Bruwer et al.
patent: 6215878 (2001-04-01), Harkins
patent: 2003/0031245 (2003-02-01), O'Brien
patent: 2004/0199082 (2004-10-01), Ostroff et al.
“IIR Digital Filter Design applet” http://www.dsptutor.freeuk.com/IIRFilterDesign/IIRFilterDesign.html , Aug. 18, 2000.
Frank, Walter A., “An Efficient Approximation to the Quadratic Volterra Filter and Its Application I Realtime Loudspeaker Linearization”, Universitat der Bundeswehr Munchen, D85577 Neubiberg Germany, 1995.
Frank, Walter A., “On the Equalization of Nonlinear Systems”, 30thAsilomar Conference on Signals, Systems and Computers, Nov. 1996.
Giannakis, Georgios B., “Blind Franctionally Spaced Equalization of Noisy FIR Channels: Direct and Adaptive Solutions”, IEEE Transactions on Signal Processing, vol. 45, No. 9, Sep. 1997.
Griffith, David W., Jr. et al, “Partially Decoupled Volterra Filters: Formulation and LMS Adaptation” Dept. of Electrical Engineering, University of Delaware, Newark, Delaware, Oct. 1996.
Schulz-Mirbach, Hanns, “Nonlinear Model-Based Analysis and Description of Images for Multimedia Applications”, Internal Report Jul. 1996, TU Hamburg-Harburg, Technische Informatik I, Oct. 1996.

Affiliated with

Also associated with

Rating

Secure modulation and demodulation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Secure modulation and demodulation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Secure modulation and demodulation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2753550