Cross-encoding of information in independent channels

Details Cross-encoding of information in independent channels Cross-encoding of information in independent channels

2004-03-09

2009-02-10

Wang, Ted (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

C375S267000, C375S299000, C375S347000

Reexamination Certificate

active

07489730

ABSTRACT:
Independent first and second information signals (content1and content2) are transmitted over separate independent physical channels to a receiving location. Security is provided by encoding (12a) at least the first information by means of the second information to produce encoded signals (1′, . . .N′). The encoded signals and the second signals are received from the first and second channels at the second location (230). The encoded first signals are decoded at the receiving location by processing with the second signals. In some embodiments, the second information signals are encoded by processing with the first information signals. In a more general case, plural channels of information are “cross-encoded” by the information in plural other channels, and the plurality may be large.

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