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Line 1: {{Short description\|Method for removing narrowband noise}} ~~{{Multiple issues\|~~ '''Ingress cancellation''' is a method for removing [[narrowband]] [[Noise (signal processing)\|noise]] from an [[electromagnetic signal]] using a [[digital filter]].<ref>{{cite book \|url=https://books.google.com/books?id=G6LsDwAAQBAJ \|title=Broadband Last Mile; Access Technologies for Multimedia Communications \|year=2018 \|pages=290–299 \|isbn=9781351836685 \|publisher=[[CRC Press]]}}</ref> This type of filter is used on [[hybrid fiber-coaxial]] [[broadband]] networks.<ref>{{cite journal \|url=https://www.ti.com.cn/cn/lit/wp/spay010/spay010.pdf \|last1=Lusky \|first1=I. \|last2=Geri \|first2=N. \|last3=Reznic \|first3=Z. \|last4=Bitran \|first4=Y. \|year=2002 \|title=Adaptive algorithms for choosing transmission parameters in dynamic channel conditions \|journal=2002 14th International Conference on Digital Signal Processing Proceedings \|volume=1 \|pages=53–56 \|publisher=[[IEEE]]}}</ref><ref>{{cite book \|first1=A. \|last1=Popper \|first2=F. \|last2=Buda \|first3=H. \|last3=Sari \|title=2002 IEEE International Conference on Communications. Conference Proceedings. ICC 2002 (Cat. No.02CH37333) \|chapter=Ingress noise cancellation for the upstream channel in broadband cable access systems \|year=2002 \|pages=1808–1812 \|volume=3 \|doi=10.1109/ICC.2002.997160 \|publisher=[[IEEE]]\|isbn=0-7803-7400-2 \|s2cid=22576844 }}</ref> ~~{{orphan\|date=February 2009}}~~ ~~{{cleanup-rewrite\|date=May 2009}}~~ ~~{{underlinked\|date=December 2012}}~~ }} ~~'''Ingress~~If ~~cancellation''' is an advanced~~a [[~~PHY~~Carrier ~~(chip)~~wave\|~~PHY~~carrier]] ~~technology that digitally removes in-channel ingress. If a carrier~~ appears in the middle of the upstream [[data signal]], ingress cancellation can remove the interfering carrier without causing [[packet loss]].{{Citation ~~Ingress~~needed\|date=April ~~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.~~2023}} 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.{{Citation needed\|date=April 2023}} ~~==External links==~~ [http://www.cisco.com/en/US/tech/tk86/tk319/technologies_white_paper09186a0080231a71.shtml Cisco used the term when describing a product] == References == [[Category:Digital electronics]]▼ {{reflist}} ~~[[Category:Technology]]~~ ==See also== [[Distortion]] * [[Electromagnetic interference]] * [[Ingress filtering]] * [[Noise reduction]] {{~~Comp-eng~~Tech-stub}} ▲[[Category:Digital electronics]]