Europeans Demonstrate Advanced FTTH Technology

  • FTTH
  • Nokia Siemens Networks
  • WDM-PON
Cork, Ireland - Researchers at Ireland's Tyndall National Institute demonstrated a technology that they say will fundamentally change the economics of providing fiber to the home.

The new technology uses a combination of time-division multiple access (TDMA) and wave-division multiplexing (WDM). (TDMA is the protocol used in the GPON and GEPON networks being built today and WDM is already being used in next-generation network trials in Europe and the U.S. and in some commercial deployments in Korea.) The researchers have extended the network span to as much as 100km without any electronic switches or repeaters and increased the number of users that networks can support. As a result, more than 16,000 customers can be supported from a single network hub, and individual users can achieve symmetrical access speeds of up to 10 Gbps. Networks constructed using this technology can be significantly simpler and less expensive in terms of both capital and operating costs than today's GPON and GEPON networks.

This technology resulted from a research collaboration called PIEMAN, which was funded by the European Union and coordinated by British incumbent telco BT. Research collaborators included Alcatel-Lucent, Nokia Siemens Networks, the Centre for Integrated Photonics (CIP), Ghent University and the Tyndall Institute.

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