A comprehensive survey on RF energy harvesting: applications and performance determinants

Sherazi, Hafiz Husnain Raza ORCID: https://orcid.org/0000-0001-8152-4065, Zorbas, Dimitrios and O'Flynn, Brendan (2022) A comprehensive survey on RF energy harvesting: applications and performance determinants. Sensors, 22 (8). p. 2990.

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There has been an explosion in research focused on Internet of Things (IoT) devices in recent years, with a broad range of use cases in different domains ranging from industrial automation to business analytics. Being battery-powered, these small devices are expected to last for extended periods (i.e., in some instances up to tens of years) to ensure network longevity and data streams with the required temporal and spatial granularity. It becomes even more critical when IoT devices are installed within a harsh environment where battery replacement/charging is both costly and labour intensive. Recent developments in the energy harvesting paradigm have significantly contributed towards mitigating this critical energy issue by incorporating the renewable energy potentially available within any environment in which a sensor network is deployed. Radio Frequency (RF) energy harvesting is one of the promising approaches being investigated in the research community to address this challenge, conducted by harvesting energy from the incident radio waves from both ambient and dedicated radio sources. A limited number of studies are available covering the state of the art related to specific research topics in this space, but there is a gap in the consolidation of domain knowledge associated with the factors influencing the performance of RF power harvesting systems. Moreover, a number of topics and research challenges affecting the performance of RF harvesting systems are still unreported, which deserve special attention. To this end, this article starts by providing an overview of the different application domains of RF power harvesting outlining their performance requirements and summarizing the RF power harvesting techniques with their associated power densities. It then comprehensively surveys the available literature on the horizons that affect the performance of RF energy harvesting, taking into account the evaluation metrics, power propagation models, rectenna architectures, and MAC protocols for RF energy harvesting. Finally, it summarizes the available literature associated with RF powered networks and highlights the limitations, challenges, and future research directions by synthesizing the research efforts in the field of RF energy harvesting to progress research in this area.

Item Type: Article
Identifier: 10.3390/s22082990
Additional Information: This project is co-funded by the European Regional Development Fund (ERDF) under Ireland’s European Structural and Investment Funds Programmes 2014–2020, with the financial support of Science Foundation Ireland under Grant number 16/RC/3918-CONFIRM in conjunction with Johnson & Johnson. Aspects of this publication were supported by Grant number 13/RC/2077-CONNECT and Enterprise Ireland which are co-funded under the ERDF. Citation: Sherazi, H.H.R.; Zorbas, D.; O’Flynn, B. A Comprehensive Survey on RF Energy Harvesting: Applications and Performance Determinants. Sensors 2022, 22, 2990. https://doi.org/10.3390/s22082990
Keywords: energy harvesting; RF powered wireless networks; RF-harvesting techniques; energy propagation models; RF circuit design; MAC protocols for RF power harvesting
Subjects: Computing > Intelligent systems
Related URLs:
SWORD Depositor: Jisc Router
Depositing User: Hafiz Husnain Raza Sherazi
Date Deposited: 25 Aug 2022 10:44
Last Modified: 06 Feb 2024 16:10
URI: https://repository.uwl.ac.uk/id/eprint/9110


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