Vectored DSLs and the Copper PON (CuPON)

  • John M. Cioffi
  • Sumanth Jagannathan
  • Mehdi Mohseni
  • George Ginis
Part of the Optical Networks book series (OPNW)


This chapter investigates the limits of copper twisted-pair telephone lines in digital subscriber line (DSL) transmission, specifically focusing on the most advanced form known as the copper passive-optical network or CuPON. Speeds of several hundred Mbps to each customer on 1 km (3000’) lengths of copper telephone lines are feasible using a multi-line sharing architecture of the existing telephone cables. Such speeds thus extend the life and value of the large invested base of copper telephone lines perhaps to speeds beyond those presently envisioned and targeted for shared-fiber access systems like passive optical networks (PONs).


Impulse Noise Optical Line Terminal Telephone Line Carrier Sense Multiple Access Passive Optical Network 
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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • John M. Cioffi
    • 1
  • Sumanth Jagannathan
    • 1
  • Mehdi Mohseni
    • 2
  • George Ginis
    • 2
  1. 1.Department of Electrical EngineeringStanford University, David Packard Electrical Engineering BuildingStanfordUSA
  2. 2.ASSIA Inc.Suite 203 Redwood CityUSA

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