Information hiding system and a method of hiding information...

Details Information hiding system and a method of hiding information... Information hiding system and a method of hiding information...

2006-08-15

2006-08-15

Corrielus, Jean B. (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S260000, C455S132000, C455S504000

Reexamination Certificate

active

07092451

ABSTRACT:
For use in a wireless communication network that includes a transmitter having a multi-element transmit antenna array, an information hiding system and a method of hiding information. In one embodiment, the information hiding system includes an information spreading subsystem that is configured to scramble the information across the multi-element transmit antenna array. The information hiding system further includes a coherence modification subsystem that is configured to reduce channel coherence randomly during transmission of the scrambled information via the multi-element transmit antenna array. By hiding the information, the information hiding system advantageously reduces an unauthorized eavesdropper's ability to determine the contents of the transmitted information.

REFERENCES:
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patent: 5793907 (1998-08-01), Jalali et al.
patent: 6937592 (2005-08-01), Heath et al.
patent: 2002/0132642 (2002-09-01), Hines et al.
patent: 2003/0020648 (2003-01-01), Fienup
Alfred O. Hero “Secure Space-Time Communication” IEEE Transactions on Information Theory; Apr. 2001; pp. 1-37.

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