Next Generation PON Task Group

The FSAN Next Generation Passive Optical Network (NG-PON) Task Group has the objective of capturing Operator requirements and developing specifications for optical access systems beyond those currently standardised. The Task Group aims at providing carrier class solutions, with the capability of smooth migration between system generations and, where possible, the reuse of installed fibre infrastructure.

Recent output from the Task Group has been the specification of the XG-PON1 (ITU-T G.987 series) systems with a capacity of 10Gbit/s downstream and 2.5 Gbit/s upstream. Further FSAN work on XG-PON1 is now largely handled by the O&E Task Group with a major focus on interoperability.

Since completing the work on XG-PON1, the NG-PON Task Group has focussed effort on NG-PON2 systems (ITU-T G.989 series). NG-PON2 systems have a baseline capacity of 40 Gbit/s using four wavelength channels with line rates of 10 Gbit/s downstream and 2.5 Gbit/s upstream. The Task Group has brought contributions to the ITU-T Study Group 15, Question 2 that have formed the basis of the following ITU-T Recommendations:

G.989 (10/15) : 40-Gigabit-capable passive optical network (NG-PON2) systems: Definitions, abbreviations and acronyms

G.989.1 (03/13) : 40-Gigabit-capable passive optical networks (NG-PON2): General requirements

G.989.2 (12/14) : 40-Gigabit-capable passive optical networks 2 (NG-PON2): Physical media dependent (PMD) layer specification

G.989.3 (10/15) : 40-Gigabit-capable passive optical networks (NG-PON2): Transmission Convergence Layer

Activity has recently turned to working through ITU-T SG15/Q2 to standardise a symmetric 10 Gbit/s, single wavelength PON system – XGS-PON  as defined in the G.9807.1 Recommendation.

As part of the work of the NG-PON Task Group we have initiated an activity on Mobile Fronthaul under a Mobile Fronthaul Study Group. The purpose of the group is to establish requirements for the application and identify technology solutions.

For more info please contact: Peter Dawes

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