Solar-CTP: An Enhanced CTP for Solar-Powered Wireless Sensor Networks Using a Mobile Sink


KIPS Transactions on Computer and Communication Systems, Vol. 9, No. 4, pp. 77-82, Apr. 2020
https://doi.org/10.3745/KTCCS.2020.9.4.77,   PDF Download:
Keywords: Wireless Sensor Network, Solar-Powered, mobile sink, CTP, Solar-CTP
Abstract

Wireless sensor networks (WSNs) suffer from not only a short lifetime due to limited energy but also an energy imbalance between nodes close to the sink and others. In order to fundamentally solve the short lifetime, recent studies utilize the environmental energy such as solar power. Additionally, WSNs using mobile sinks are being studied to address the energy imbalance problem. This paper proposes an improved CTP (Collection Tree Protocol) scheme which uses these two approaches simultaneously. Basically, it is based on a CTP scheme which is a very popular data collection strategy designed for the typical battery-based WSNs with a fixed sink. Therefore, we tailored it for solar-powered WSNs with a mobile sink. Performance verification confirms that our scheme reduces the number of blackout nodes significantly compared to the typical CTP, thus increases the amount of data collected by the sink.


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Cite this article
[IEEE Style]
S. H. Cheong, M. Kang and D. K. Noh, "Solar-CTP: An Enhanced CTP for Solar-Powered Wireless Sensor Networks Using a Mobile Sink," KIPS Transactions on Computer and Communication Systems, vol. 9, no. 4, pp. 77-82, 2020. DOI: https://doi.org/10.3745/KTCCS.2020.9.4.77.

[ACM Style]
Seok Hyun Cheong, Minjae Kang, and Dong Kun Noh. 2020. Solar-CTP: An Enhanced CTP for Solar-Powered Wireless Sensor Networks Using a Mobile Sink. KIPS Transactions on Computer and Communication Systems, 9, 4, (2020), 77-82. DOI: https://doi.org/10.3745/KTCCS.2020.9.4.77.