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Special Issue on  Green mobile networks

Mobile networks have profoundly modified our life in developing countries reshaping communications and connectivity and even more in emerging countries where telecommunications become a reality for most of the people. With more than 4 billions of mobile subscribers in the world, the mobile networks are still developing at a fast pace providing either broader reach or higher data rates. The mobile networks take a significant place in the energy consumption of telecommunications networks. Looking for solutions towards green or energy–efficient mobile networks makes sense for the global carbon challenges as well as operators supporting sustainable and profitable business.

Naturally, the ratio of the energy consumption compared to given wireless telecom services will decrease significantly because of the increased transmission capacity. Indeed, the advanced techniques for both hardware and software will increase the capacity while keeping power consumption stable or low growth. Today, it is time to drastically reduce the power consumption of mobile networks by either decreasing the share of energy consumption of the radio access networks locally or globally from an end to end network perspective. For that purpose, components, coding, protocols and architecture have to be designed with the energy constraint.

This issue will explore the challenges of designing, building, and deploying green or energy-efficient mobile networks, will present some of the enabling technologies for green radio and will more generally address the research in this field.

Topics

Enabling Wireless Technologies

• Wireless technologies, low power RF chipsets
• Efficient power amplifiers
• Spectrum efficiency versus energy efficiency
• Computing energy versus RF energy
• Renewable energy sources

System and architecture

• Sleep modes
• Energy-efficient radio resource management
• Energy-efficient network architecture
• System design tradeoffs, including decentra­lised data processing, data storage
• Terminals
• Systemic view
• Metrics