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Information 2016, 7(4), 60; doi:10.3390/info7040060

A Metric for Secrecy-Energy Efficiency Tradeoff Evaluation in 3GPP Cellular Networks

1
Department of Information Engineering, University of Florence, Via di Santa Marta 3, 50139 Firenze, Italy
2
Consorzio Nazionale Interuniversitario per le Telecomunicazioni (CNIT), University of Florence, Via di Santa Marta 3, 50139 Firenze, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Willy Susilo
Received: 27 June 2016 / Revised: 30 September 2016 / Accepted: 17 October 2016 / Published: 27 October 2016
(This article belongs to the Special Issue Physical Layer Security in Wireless Networks)
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Abstract

Physical-layer security is now being considered for information protection in future wireless communications. However, a better understanding of the inherent secrecy of wireless systems under more realistic conditions, with a specific attention to the relative energy consumption costs, has to be pursued. This paper aims at proposing new analysis tools and investigating the relation between secrecy capacity and energy consumption in a 3rd Generation Partnership Project (3GPP) cellular network , by focusing on secure and energy efficient communications. New metrics that bind together the secure area in the Base Station (BS) sectors, the afforded date-rate and the power spent by the BS to obtain it, are proposed that permit evaluation of the tradeoff between these aspects. The results show that these metrics are useful in identifying the optimum transmit power level for the BS, so that the maximum secure area can be obtained while minimizing the energy consumption. View Full-Text
Keywords: secrecy capacity; energy efficiency; metric; cellular networks secrecy capacity; energy efficiency; metric; cellular networks
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MDPI and ACS Style

Ciabini, F.; Morosi, S.; Mucchi, L.; Ronga, L.S. A Metric for Secrecy-Energy Efficiency Tradeoff Evaluation in 3GPP Cellular Networks. Information 2016, 7, 60.

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