Design and analysis of green optical line terminals for TDM passive optical networks


This paper proposes a unique scheme which will efficiently cut back the energy consumption of optical line terminals (OLTs) in time division multiplexing passive optical networks (PONs) like ethernet PONs and gigabit PONs. Currently, OLTs consume a important quantity of energy in PONs, that is one in every of the foremost fiber-to-the-X technologies. To be environmentally friendly, it's desirable to cut back energy consumption of OLTs as a lot of as potential, a requirement that becomes even additional urgent as OLTs keep increasing their provisioning knowledge rate; higher knowledge rate provisioning sometimes implies higher energy consumption. During this paper, we tend to propose a completely unique energy-economical OLT structure that guarantees services to finish users with the littlest range of power-on OLT line cards. More specifically, we have a tendency to adapt the amount of power-on OLT line cards to the $64000-time incoming traffic. Additionally, so as to avoid service disruption ensuing from powering off OLT line cards, correct optical switches are equipped in OLT to dynamically configure the communications between OLT line cards and optical network units.

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