POTROŠNJA ENERGIJE PRISTUPNIH MREŽA NOVE GENERACJE I TRANZICIJA NA FOTONAPONSKE ĆELIJE
ENERGY CONSUMPTION OF NEW GENERATION ACCESS NETWORKS AND TRANSITION TO PHOTOVOLTAIC CELLS

Summary/Abstract: The amount of traffic in broadband telecommunication networks is growing rapidly and so is the consumption of electricity. Taking into account the increase in the price of energy and the impact of consumption on the environment, the increase in energy consumption is a problem and requires optimal telecommunication technologies from the aspect of energy consumption. A group of Japanese researchers in the Akari project announced that the electricity consumption of access networks reached the level of 8 billion kWh in 2006. It is predicted that consumption will increase to 103.3 billion kWh by 2025, which is a predicted increase of 13 times and a large CO2 emission. For this reason, it is necessary to reduce the electricity consumption of active devices to a lower level. The access network needs to be designed so that the same level of functionality is maintained with lower energy consumption in the future and reduced emissions. In this paper, we focused on the energy analysis of FTTH optical access networks and FTTB access networks that have a copper pair from the active stage to the subscriber. Optical technologies are widespread in telecommunications access networks and currently form the basis of physical network infrastructure in most of the world.

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