A Comprehensive Study of Data Collection Schemes Using Mobile Sinks in Wireless Sensor Networks
AbstractRecently sink mobility has been exploited in numerous schemes to prolong the lifetime of wireless sensor networks (WSNs). Contrary to traditional WSNs where sensory data from sensor field is ultimately sent to a static sink, mobile sink-based approaches alleviate energy-holes issues thereby facilitating balanced energy consumption among nodes. In mobility scenarios, nodes need to keep track of the latest location of mobile sinks for data delivery. However, frequent propagation of sink topological updates undermines the energy conservation goal and therefore should be controlled. Furthermore, controlled propagation of sinks’ topological updates affects the performance of routing strategies thereby increasing data delivery latency and reducing packet delivery ratios. This paper presents a taxonomy of various data collection/dissemination schemes that exploit sink mobility. Based on how sink mobility is exploited in the sensor field, we classify existing schemes into three classes, namely path constrained, path unconstrained, and controlled sink mobility-based schemes. We also organize existing schemes based on their primary goals and provide a comparative study to aid readers in selecting the appropriate scheme in accordance with their particular intended applications and network dynamics. Finally, we conclude our discussion with the identification of some unresolved issues in pursuit of data delivery to a mobile sink.
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Khan, A.W.; Abdullah, A.H.; Anisi, M.H.; Bangash, J.I. A Comprehensive Study of Data Collection Schemes Using Mobile Sinks in Wireless Sensor Networks. Sensors 2014, 14, 2510-2548.
Khan AW, Abdullah AH, Anisi MH, Bangash JI. A Comprehensive Study of Data Collection Schemes Using Mobile Sinks in Wireless Sensor Networks. Sensors. 2014; 14(2):2510-2548.Chicago/Turabian Style
Khan, Abdul W.; Abdullah, Abdul H.; Anisi, Mohammad H.; Bangash, Javed I. 2014. "A Comprehensive Study of Data Collection Schemes Using Mobile Sinks in Wireless Sensor Networks." Sensors 14, no. 2: 2510-2548.