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Article

Efficient FEC Scheme for Solar-Powered WSNs Considering Energy and Link-Quality

1
Department of Software Convergence, Soongsil University, Seoul 06978, Korea
2
Department of Electronic Engineering, Soongsil University, Seoul 06978, Korea
3
Department of Electrical and Computer Engineering, University of Wisconsin, Madison, WI 53706, USA
4
Department of Smart Systems Software, Soongsil University, Seoul 06978, Korea
*
Author to whom correspondence should be addressed.
Energies 2020, 13(15), 3952; https://doi.org/10.3390/en13153952
Received: 15 May 2020 / Revised: 16 July 2020 / Accepted: 24 July 2020 / Published: 1 August 2020
(This article belongs to the Special Issue Thermal and Energy Management of Battery-Operated Systems)
In solar-powered wireless sensor networks (SP-WSNs), the best use of harvested energy is more important than minimizing energy consumption since energy can be supplied periodically. Meanwhile, as is well known, the reliability of the communication between sensor nodes is very limited due to the resource constraints of sensor nodes. In this paper, we propose an efficient forward error correction (FEC) scheme which can give solar-powered wireless sensor networks more reliable communication. First, the proposed scheme provides energy-adaptive operation for the best use of solar energy. It calculates the amount of surplus energy which can be used for extra operations and then determines the number of additional parity bits for FEC according to this amount of surplus energy. At the same time, it also provides a link quality model that is used to calculate the appropriate number of parity bits for error recovery required for the current data communication environment. Finally, by considering these two parity sizes, it is possible to determine the number of parity bits that can maximize the data reliability without affecting the blacking out of nodes. The evaluation of the performance of the approach was performed by comparing the amount of data collected at the sink node and the number of blackout nodes with other schemes. View Full-Text
Keywords: wireless sensor network; energy-harvesting; solar-powered; forward error correction; link-quality wireless sensor network; energy-harvesting; solar-powered; forward error correction; link-quality
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MDPI and ACS Style

Gil, G.W.; Kang, M.; Kim, Y.; Yoon, I.; Noh, D.K. Efficient FEC Scheme for Solar-Powered WSNs Considering Energy and Link-Quality. Energies 2020, 13, 3952. https://doi.org/10.3390/en13153952

AMA Style

Gil GW, Kang M, Kim Y, Yoon I, Noh DK. Efficient FEC Scheme for Solar-Powered WSNs Considering Energy and Link-Quality. Energies. 2020; 13(15):3952. https://doi.org/10.3390/en13153952

Chicago/Turabian Style

Gil, Gun W., Minjae Kang, Younghyun Kim, Ikjune Yoon, and Dong K. Noh 2020. "Efficient FEC Scheme for Solar-Powered WSNs Considering Energy and Link-Quality" Energies 13, no. 15: 3952. https://doi.org/10.3390/en13153952

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