Energy Efficiency in Short and Wide-Area IoT Technologies—A Survey

Author:

Zanaj EljonaORCID,Caso GiuseppeORCID,De Nardis LucaORCID,Mohammadpour AlirezaORCID,Alay ÖzgüORCID,Di Benedetto Maria-GabriellaORCID

Abstract

In the last years, the Internet of Things (IoT) has emerged as a key application context in the design and evolution of technologies in the transition toward a 5G ecosystem. More and more IoT technologies have entered the market and represent important enablers in the deployment of networks of interconnected devices. As network and spatial device densities grow, energy efficiency and consumption are becoming an important aspect in analyzing the performance and suitability of different technologies. In this framework, this survey presents an extensive review of IoT technologies, including both Low-Power Short-Area Networks (LPSANs) and Low-Power Wide-Area Networks (LPWANs), from the perspective of energy efficiency and power consumption. Existing consumption models and energy efficiency mechanisms are categorized, analyzed and discussed, in order to highlight the main trends proposed in literature and standards toward achieving energy-efficient IoT networks. Current limitations and open challenges are also discussed, aiming at highlighting new possible research directions.

Funder

Sapienza Università di Roma

Horizon 2020 Framework Programme

Publisher

MDPI AG

Reference163 articles.

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