Interference canceller
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United States of America Patent
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Mar 30, 2004
Grant Date -
N/A
app pub date -
Feb 24, 2000
filing date -
Feb 24, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An interference canceller is described, wherein the interference canceller includes an input receiving an input composite signal, a reference circuit, and a cancellation circuit. The interference canceller derives its own reference signal. Internal derivation of the reference signal is accomplished by suppressing the desired signal included within a sampled quantum of a composite signal. The resultant reference signal is a likeness of the interference signal; containing substantially only the interference signal. The internally produced reference signal is amplitude and phase adjusted in a time-continuous fashion and summed with the composite signal in the cancellation circuit. The output of the cancellation circuit contains the desired signal and a substantially suppressed interference signal.
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