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Next, power saving at the optical line terminal (OLT)/EA side is focused. The energy-aware operation of link aggregation and its application to OAN are described to decrease power consumed
A passive optical network (PON) is applied to the last mile network to connect end users to the core network, though its cost-effectiveness and resource-efficiency may not be optimized.
The optical network unit (ONU) mainly chooses to adjust energy-saving in TDM-PON by turning off its receiver and/or transmitter for the substantial time that is called doze or sleep mode
Passive Optical Network (PON) supported networks are a promising infrastructure of the next generation access network. Achieving low energy consumption while providing high data rate
In this study, a novel energy efficiency algorithm, which is based on coupling two Optical Line Terminal to reduce energy consumption in central office, is proposed. Our design employs optical switches
The most important energy management and power-saving methods for Optical Line Terminals (OLTs) and Optical Network Units (ONUs), as key OAN components, are overviewed in
In this paper, we propose a novel energy-efficient OLT structure which guarantees services of end users with the smallest number of power-on OLT line cards. More specifically, we
In this paper, we propose an Energy Management Mechanism (EMM) for downlink EPON systems. The proposed mechanism is designed to enhance the standardized control scheme in EPON with the
Optical line terminal and remote node sub-systems are key elements for the development of scalable, cost-effective and high-bandwidth passive optical networks. This paper presents recent and ongoing
Abstract. Computer networks are one of the major slices of the global energy consumption. Since 2009, a couple of standards have been devel-oped for energy conservation in passive optical networks.
This paper proposes a novel scheme that can efficiently reduce the energy consumption of optical line terminals (OLTs) in time division multiplexing passive optical networks (PONs) such as ethernet
In this paper, an efficient green PON is introduced, having two main targets: a) to reduce the energy consumption, by allowing optical devices to operate longer in sleep mode, and b) to maintain PON''s
The invention provides an OLT (optical line terminal) energy saving method in a TWDM-PON (time wavelength division multiplexing- passive optical network) system.
Passive optical networks (PONs) are a preferred technology for implementing fiber-to-the-home networks. Though PONs minimize power consumption compared to digital subscriber loops (DSL),
This paper proposes a novel scheme which can effi- ciently reduce the energy consumption of Optical Line Terminals (OLTs) in Time Division Multiplexing (TDM) Passive Optical
Line Terminal (OLT), multiple Optical Network Units (ONUs), and Remote Nodes (RNs) . As ONUs are responsible for consuming the substantial fraction ( 70%) of the overall EPON power
The energy consumption of OLT is greatly reduced on the premise that the structure of the original PON is not changed, and the OLT energy saving method in the TWDM-PON system has a good practical
When the optical fiber termination device satisfies the requirement for the transition from the power saving mode to the activation mode, the optical network termination device sends a wake-up signal
in power saving mode by optical switches. The proposed approach uses a switch-box. This component is electronically connected with OLTs for control plane and consists of 1 x 2 optical switches and an