This article provides an overview of current efforts in reducing energy consumption in
passive optical access networks. Both ITU-T and IEEE standardized PONs are considered …

In this thesis, general overview about PON systems is presented and existing PON
mechanisms and classification are investigated. After, a novel dynamic bandwidth allocation …

The next-generation Ethernet passive optical network (NG-EPON) is basically classified into
two architectures on the basis of the wavelength sharing by the optical network units …

This paper describes sleep and adaptive link rate (ALR) control functions to reduce the
power consumption of optical network units (ONUs) in 10? Gb∕ s Ethernet passive optical …

Owing to environmental concerns, reducing energy consumption of optical access networks
has become an important problem for network designers. This paper focuses on reducing …

Energy efficiency and green communications have become well-established themes for next-
generation communications systems, with specific regard to reducing carbon footprint …

Abstract Putting no-load Optical Network Units (ONUs) into sleep mode has been
recognized as a promising solution to achieve high energy efficiency for Ethernet Passive …

In this paper, a sleep-aware dynamic bandwidth allocation (SDBA) algorithm and the
supporting protocol are proposed for maximizing energy efficiency while satisfying the end …

Sleep and doze power-saving modes are the common ways to reduce power consumption
of optical network units (ONUs) in Ethernet passive optical network (EPON). The doze mode …

To fully exploit the upstream bandwidth in Ethernet passive optical networks (EPONs),
dynamic bandwidth allocation (DBA) algorithms need to collect the report messages from all …