scholarly journals Satellites, Uavs, And Ground Based Wireless Sensor Networks: Lessons Learned From An Reu Site In Environmental Sensor Development

2020 ◽  
Author(s):  
Richard Schultz ◽  
William Semke ◽  
Douglas Olsen ◽  
Arnold Johnson ◽  
Ofer Beeri ◽  
...  
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Lessons Learned ◽  
Wireless Sensor ◽  
Sensor Development ◽  
Environmental Sensor

scholarly journals Sink-Type-Dependent Data-Gathering Frameworks in Wireless Sensor Networks: A Comparative Study

Sensors ◽  
2021 ◽  
Vol 21 (8) ◽  
pp. 2829
Author(s):  
Rezoan Ahmed Nazib ◽  
Sangman Moh
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Comparative Study ◽  
Data Gathering ◽  
Lessons Learned ◽  
Wireless Sensor ◽  
Delivery Ratio ◽  
Mobile Sinks ◽  
And Performance ◽  
Quality Of Service Parameters

Owing to automation trends, research on wireless sensor networks (WSNs) has become prevalent. In addition to static sinks, ground and aerial mobile sinks have become popular for data gathering because of the implementation of WSNs in hard-to-reach or infrastructure-less areas. Consequently, several data-gathering mechanisms in WSNs have been investigated, and the sink type plays a major role in energy consumption and other quality of service parameters, such as packet delivery ratio, delay, and throughput. However, the data-gathering schemes based on different sink types in WSNs have not been investigated previously. This paper reviews such data-gathering frameworks based on three different types of sinks (i.e., static, ground mobile, and aerial mobile sinks), analyzing the data-gathering frameworks both qualitatively and quantitatively. First, we examine the frameworks by discussing their working principles, advantages, and limitations, followed by a qualitative comparative study based on their main ideas, optimization criteria, and performance evaluation parameters. Next, we present a simulation-based quantitative comparison of three representative data-gathering schemes, one from each category. Simulation results are shown in terms of energy efficiency, number of dead nodes, number of exchanged control packets, and packet drop ratio. Finally, lessons learned from the investigation and recommendations made are summarized.

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