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Title:
MULTIPLE CHANNEL INTERFERENCE CANCELLATION
Document Type and Number:
WIPO Patent Application WO2004098088
Kind Code:
A3
Abstract:
A method and apparatus for reducing crosstalk in a multi-channel communication system is disclosed. In one embodiment, outgoing signals (302) in a multi-channel environment are manipulated into a transform domain (416), such as the frequency domain. Thereafter, the signals may be combined and modified based on a weighting variable (424) to create a cancellation signal. Combined processing greatly reduces system complexity and increases processing speed. After processing in the transform domain, the cancellation signal undergoes further processing to return the cancellation signal into the time domain (430). The cancellation signal may then be combined with received signals to cancel crosstalk or echo (338).

Inventors:
JONES WILLIAM W
ZIMMERMAN GEORGE A
PAGNANELLI CHRISTOPHER J
Application Number:
PCT/US2004/012720
Publication Date:
December 16, 2004
Filing Date:
April 22, 2004
Export Citation:
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Assignee:
SOLARFLARE COMMUNICATIONS INC (US)
International Classes:
H04B3/20; H04B3/23; H04M9/08; (IPC1-7): H04B3/20; H04M9/08
Foreign References:
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Other References:
See also references of EP 1625668A4
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