Greener wireless networks

Publication Date	September 2008
Publisher	Ovum
Product Type	Report
Pages	22
ISBN Number	not applicable
Product Code	OVM00580

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Summary

This report examines techniques that enable the roll out of greener wireless networks, with a strong focus on power consumption. Environmentally friendly measures must be balanced with economic impact. If the cost negatively impacts profitability little change will be adopted in favour of the environment.

Content

Executive summary
In a nutshell
Ovum view
Why are operators seeking to reduce energy consumption?
Protecting the planet is undoubtedly a good thing...
... but achieving opex savings and improving brand image at the same time is even better
What can mobile operators do to reduce the power consumption of their networks?
Reduce the number of sites and equipment
Optimise the radio site and the associated passive components
Deploy more environmentally friendly, power efficient base stations
Alternative power sources
Increased adoption of technologies
Solar/wind powered sites
Biofuel
Fuel cell technology
Table of figures
- Table 1 Opex segmentation at a typical European 3G cell site
- Table 2 Opex segmentation at a typical MTN cell site
- Figure 1 Ericsson Tower Tube
- Figure 2 Evolution of annual CO2 emission per subscriber using Ericssons equipment
- Figure 3 Overview of traditional and distributed radio site architectures
- Figure 4 Beamforming concept
- Table 3 Commercial rollouts based on solar energy
- Figure 5 Biofuel generators in India
- Table 4 Examples of operators activities around fuel cells