Method and apparatus for cancelling spread-spectrum noise

Details Method and apparatus for cancelling spread-spectrum noise Method and apparatus for cancelling spread-spectrum noise

1990-12-21

1992-04-14

Gregory, Bernarr E.

Pulse or digital communications

Repeaters

Testing

380 34, 370 18, 375 34, 375102, 375103, 455284, 455296, 455305, H04L 2730

Patent

active

051054353

ABSTRACT:
A spread-spectrum noise canceller is provided for cancelling user code noise from a spread-spectrum communication channel. The spread-spectrum noise canceller including a receiver for receiving a spread-spectrum signal including a first and at least a second signal as well as a noise canceller operatively coupled to the receiver for reducing spread-spectrum noise in the first received signal by substantially processing the at least second received signal out of the received spread-spectrum signal.
In addition a method is provided which cancels user code noise from a spread-spectrum communication channel. The method includes for receiving a spread-spectrum signal including a first and at least a second signal and subsequently reducing spread-spectrum noise in the first received signal by substantially processing the at least second received signal out of the received spread-spectrum signal.

REFERENCES:
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patent: 4472814 (1984-09-01), Gutleber
patent: 4472815 (1984-09-01), Gutleber
patent: 4475214 (1984-10-01), Gutleber
patent: 4475215 (1984-10-01), Gutleber
patent: 4914676 (1990-04-01), Iwamatsu et al.
"Spread Spectrum Multiple Access System with Intrasystem Interference Cancellation", by Tatsuro Masamura; The Transactions of the Institute of Electronics, Information and Communication Engineers, vol. E71, No. 3, (Mar. 1988), pp. 223-231.

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