Ingress cancellation
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Template:Short description Ingress cancellation is a method for removing narrowband noise from an electromagnetic signal using a digital filter.[1] This type of filter is used on hybrid fiber-coaxial broadband networks.[2][3]
If a carrier appears in the middle of the upstream data signal, ingress cancellation can remove the interfering carrier without causing packet loss.Script error: No such module "Unsubst".
Ingress cancellation also removes one or more carriers that are higher in amplitude than the data signal. Ingress cancellation eventually will break if the in-channel ingress gets too high.Script error: No such module "Unsubst".
References
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