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Information 2017, 8(1), 1; doi:10.3390/info8010001

Energy Efficiency Perspectives of PMR Networks

Department of Information Engineering, University of Florence, Via di Santa Marta 3, 50139 Firenze, Italy
This paper is an extended version of our paper published in Energy Efficient RRM Strategies for Current and Upcoming TeTRA Cellular Systems. In Proceedings of the 2014 IEEE 10th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob), Larnaca, Cyprus, 8–10 October 2014; pp. 40–44.
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Author to whom correspondence should be addressed.
Academic Editor: Willy Susilo
Received: 17 August 2016 / Revised: 16 December 2016 / Accepted: 16 December 2016 / Published: 23 December 2016
(This article belongs to the Section Information and Communications Technology)
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Abstract

Recently, the concern about energy efficiency in wireless communications has been growing rapidly. Manufacturers and researchers have developed innovative solutions, highlighting the benefits in reducing operational expenditures (OPEX) and carbon footprint. Professional Mobile Radio (PMR) systems, like Terrestrial Trunked Radio (TETRA), have been designed to provide voice and data services to professional users. The energy consumption is one of the critical aspects of PMR broadband solutions and a major constraint for PMR services. The future convergence of PMR to the LTE system introduces a new topic in the research discussion about the energy efficiency of wireless systems. This paper focuses on the feasibility of energy efficient solutions for current and potentially future PMR networks, by providing a mathematical formulation of power consumption in TETRA base stations and assessing possible business models and energy saving solutions for enhanced mission-critical operations. The energy efficiency evaluation has been performed by taking into account the traffic load of a deployed TETRA regional network: in the considered network scenario with 150 base stations, significant OPEX savings up to 70 thousand Euros per year of operation are achieved. Moreover, the proposed solutions allow for saving more than 1 ton of CO 2 per year. View Full-Text
Keywords: Terrestrial Trunked Radio (TETRA); Professional Mobile Radio (PMR); energy efficiency; cost reduction; economic considerations Terrestrial Trunked Radio (TETRA); Professional Mobile Radio (PMR); energy efficiency; cost reduction; economic considerations
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Dolfi, M.; Morosi, S.; Piunti, P.; Del Re, E. Energy Efficiency Perspectives of PMR Networks. Information 2017, 8, 1.

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