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European Alien Species Information Network (EASIN): supporting European policies and scientific research Stelios Katsanevakis1,2*, Ivan Deriu1, Fabio D’Amico1, Ana Luísa Nunes1, Sara Pelaez Sanchez1, Fabio Crocetta1, Margarita Arianoutsou3, Ioannis Bazos3, Anastasia Christopoulou3, Giovanna Curto4, Pinelopi Delipetrou5, Yannis Kokkoris3, Vadim Panov6, Wolfgang Rabitsch7, Alain Roques8, Riccardo Scalera9, Susan M. Shirley10, Elena Tricarico11, Andrea Vannini12, Argyro Zenetos13, Sevasti Zervou3, Andreas Zikos3 and Ana Cristina Cardoso1 1European Commission, Joint Research Centre (JRC), Institute for Environment and Sustainability (IES), 21027 Italy; 2Department of Marine Sciences, University of the Aegean, 81100 Mytilene, Greece; 3Department of Ecology and Systematics, Faculty of Biology, School of Sciences, National and Kapodistrian University of Athens,15784 Greece; 4Plant Protection Service, Emilia-Romagna Region, Via di Saliceto 81, 40128 Bologna, Italy; 5Department of Botany, Faculty of Biology, School of Sciences, National and Kapodistrian University of Athens, 15784 Greece; 6Regional Euro-Asian Biological Invasions Centre (REABIC), PL 3, 00981 Helsinki, Finland; 7Environment Agency Austria,Spittelauer Lände 5, 1090 Vienna, Austria; 8INRA UR633, Zoologie Forestière, 45075 Orléans, France; 9IUCN/SSC Invasive Species Specialist Group, Rome, Italy; 10Department of Forest Ecosystems and Society, Oregon State University, Corvallis, Oregon 97331, USA; 11Department of Biology, University of Florence, 50125 Firenze, Italy; 12Department for Innovation in Biological, Agro-food and Forest systems, University of Tuscia , 01100 Viterbo, Italy; 13Institute of Marine Biological Resources and Inland Waters, Hellenic Centre for Marine Research, Ag. Kosmas, Greece
2000 •
2021 •
The importance of energy efficiency (EE) in wireless networks is growing growth. Hence the interest in giving consideration to this metric whose long-term trend follows Cooper's law, where traffic is growing every year, and it is certain that continues for years to come. This is linked to data transmission and energy consumption in power amplifiers with an amplification coefficient, baseband material and processing. The relation is made up of the notion of energy efficiency, measured in bit/Joule, which defines the ratio of the amount of energy consumed by information bit received. It must be indicated that the data rate is limited by the capacity of the channel, thus the energy efficiency of a communication system wireless can be defined in several forms depending on the goal you want to achieve. Current survey documents generally present values in the order of 10Mbit/Joule, yet previous generations of wireless networks have operated well with energy efficiencies in the order of 10kbit/Joule. Can the same work for future power management systems (5G and beyond) become, or are we, far from the physical limits? These issues are addressed in this paper, by studying the limiting value of energy efficiency when the bandwidth becomes large. We look at a different case representing a potential future system deployment and system related characteristics.
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