Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Multi-Power-Level Energy Saving Management for Passive Optical Networks

Not Accessible

Your library or personal account may give you access

Abstract

Environmental concerns have motivated network designers to further reduce energy consumption of access networks. This paper focuses on reducing the energy consumption of the Ethernet passive optical network (EPON) as one of the most efficient transmission technologies for broadband access. In the EPON, downstream traffic is sent from the optical line terminal (OLT) located at the central office to all optical network units (ONUs). Each ONU checks all arrival downstream packets and selects the downstream packets destined to itself. Therefore, receivers at ONUs have to always stay awake, thus consuming a large amount of energy. On the other hand, an ONU transmitter can be triggered by the arrival of upstream traffic, so it can go to the low power mode when no traffic is observed. Putting ONUs into the low power mode during light traffic is a known strategy for energy saving. In this article, we address the downstream challenge and also improve the ONU transmitter sleep time by proposing a simple sleep control scheme. We also propose an upstream and a downstream sleep-aware traffic scheduling scheme to avoid missing packets during the sleep states. The proposed sleep control scheme does not need the handshake process and is based on the mutual inference at the OLT and the ONU. Simulation results show that the proposed scheme can save energy by as much as 60% when network traffic is light.

© 2014 Optical Society of America

Full Article  |  PDF Article
More Like This
Standards-Compliant EPON Sleep Control for Energy Efficiency: Design and Analysis

Jingjing Zhang, Mina Taheri Hosseinabadi, and Nirwan Ansari
J. Opt. Commun. Netw. 5(7) 677-685 (2013)

Decentralized SIEPON-Based ONU-Initiated Tx/TRx Energy-Efficiency Mechanism in EPON

I-Shyan Hwang, AliAkbar Nikoukar, Yu-Min Su, and Andrew Tanny Liem
J. Opt. Commun. Netw. 8(4) 238-248 (2016)

Energy-saving framework for passive optical networks with ONU sleep/doze mode

Dung Pham Van, Luca Valcarenghi, Maluge Pubuduni Imali Dias, Koteswararao Kondepu, Piero Castoldi, and Elaine Wong
Opt. Express 23(3) A1-A14 (2015)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (13)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (8)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved