Chapter 4Green Wireless-Energy Efficiency in Wireless Networks

Vitor Bernardo1, Torsten Braun2, Marilia Curado1, Markus Fiedler5, David Hock3, Theus Hossmann4, Karin Anna Hummel4, Philipp Hurni2, Selim Ickin5, Almerima Jamakovic-Kapic2, Simin Nadjm-Tehrani6, Tuan Ahn Trinh7, Ekhiotz Jon Vergara6, Florian Wamser3, and Thomas Zinner3

1Department of Informatics Engineering, University of Coimbra, Coimbra, Portugal

2University of Bern, Bern, Switzerland

3University of Würzburg, Würzburg, Germany

4ETH Zurich, Zurich, Switzerland

5Blekinge Institute of Technology, Karlskrona, Sweden

6Linköping University, Linköping, Sweden

7Budapest University of Technology and Economics, Budapest, Hungary

4.1 Introduction

Wireless networks have become more and more popular because of ease of installation, ease of access, and support of smart terminals and gadgets on the move. Energy-efficient wireless network operation is without doubt of high importance, both for infrastructure and for ad-hoc communication. While for infrastructure networks, economic and ecological considerations are predominant and the networking components are often connected to the power grid, ad-hoc networks mainly rely on limited battery-powered components and, thus, the network's lifetime and availability is challenged. Similarly, the energy depletion of mobile client devices such as smartphones is a crucial challenge, as they are the user interface to ubiquitous connectivity.

In the overall life cycle of providing green ...

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