Capacity and delay analysis of next-generation passive optical networks (NG-PONs)

Frank Aurzada, Michael Scheutzow, Martin Reisslein, Navid Ghazisaidi, Martin Maier

Research output: Contribution to journalArticlepeer-review

67 Scopus citations


Building on the Ethernet Passive Optical Network (EPON) and Gigabit PON (GPON) standards, Next-Generation (NG) PONs (i) provide increased data rates, split ratios, wavelengths counts, and fiber lengths, as well as (ii) allow for all-optical integration of access and metro networks. In this paper we provide a comprehensive probabilistic analysis of the capacity (maximum mean packet throughput) and packet delay of subnetworks that can be used to form NG-PONs. Our analysis can cover a wide range of NG-PONs through taking the minimum capacity of the subnetworks forming the NG-PON and weighing the packet delays of the subnetworks. Our numerical and simulation results indicate that our analysis quite accurately characterizes the throughput-delay performance of EPON/GPON tree networks, including networks upgraded with higher data rates and wavelength counts. Our analysis also characterizes the trade-offs and bottlenecks when integrating EPON/GPON tree networks across a metro area with a ring, a Passive Star Coupler (PSC), or an Arrayed Waveguide Grating (AWG) for uniform and non-uniform traffic. To the best of our knowledge, the presented analysis is the first to consider multiple PONs interconnected via a metro network.

Original languageEnglish (US)
Article number5733453
Pages (from-to)1378-1388
Number of pages11
JournalIEEE Transactions on Communications
Issue number5
StatePublished - May 2011


  • Metro area network
  • packet delay
  • passive optical network
  • throughput-delay analysis

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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