37.5 km urban field trial of OFDMA-PON using colorless ONUs with dynamic bandwidth allocation and TCM [invited]

Christian Ruprecht, Yingkan Chen, Daniel Fritzsche, Johannes Von Hoyningen-Huene, Norbert Hanik, Erik Weis, Dirk Breuer, Werner Rosenkranz

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The orthogonal frequency division multiple access (OFDMA)-based passive optical network (PON) is a potential candidate to meet the flexibility requirements for next-generation optical access networks. We propose an OFDMA-based PON with a transmission employing intensity modulation/direct detection in the downstream and a remodulation of a remotely seeded carrier provided by the optical line terminal with coherent detection in the upstream, which enables cost-effective colorless optical network units (ONUs). Furthermore, an OFDMA-PON field trial using the proposed scheme over 37.5 km feeder fiber is demonstrated. A power budget supporting 32 ONUs with dynamic bandwidth allocation and trellis coded modulation (TCM) is reported.

Original languageEnglish
Article number7023485
JournalJournal of Optical Communications and Networking
Volume7
Issue number1
DOIs
StatePublished - 1 Jan 2015

Keywords

  • Access
  • Field trial
  • OFDM
  • PON

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