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Proceedings Paper

Improving the energy efficiency of telecommunication networks
Author(s): Christoph Lange; Andreas Gladisch
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Paper Abstract

The energy consumption of telecommunication networks has gained increasing interest throughout the recent past: Besides its environmental implications it has been identified to be a major contributor to operational expenditures of network operators. Targeting at sustainable telecommunication networks, thus, it is important to find appropriate strategies for improving their energy efficiency before the background of rapidly increasing traffic volumes. Besides the obvious benefits of increasing energy efficiency of network elements by leveraging technology progress, load-adaptive network operation is a very promising option, i.e. using network resources only to an extent and for the time they are actually needed. In contrast, current network operation takes almost no advantage of the strongly time-variant behaviour of the network traffic load. Mechanisms for energy-aware load-adaptive network operation can be subdivided in techniques based on local autonomous or per-link decisions and in techniques relying on coordinated decisions incorporating information from several links. For the transformation from current network structures and operation paradigms towards energy-efficient and sustainable networks it will be essential to use energy-optimized network elements as well as including the overall energy consumption in network design and planning phases together with the energy-aware load-adaptive operation. In load-adaptive operation it will be important to establish the optimum balance between local and overarching power management concepts in telecommunication networks.

Paper Details

Date Published: 20 April 2011
PDF: 8 pages
Proc. SPIE 8065, SPIE Eco-Photonics 2011: Sustainable Design, Manufacturing, and Engineering Workforce Education for a Green Future, 806516 (20 April 2011); doi: 10.1117/12.887988
Show Author Affiliations
Christoph Lange, Deutsche Telekom Labs. (Germany)
Andreas Gladisch, Deutsche Telekom Labs. (Germany)

Published in SPIE Proceedings Vol. 8065:
SPIE Eco-Photonics 2011: Sustainable Design, Manufacturing, and Engineering Workforce Education for a Green Future
Pierre Ambs; Dan Curticapean; Claus Emmelmann; Wolfgang Knapp; Zbigniew T. Kuznicki; Patrick P. Meyrueis, Editor(s)

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