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Applications of Internet of Things underwater wireless sensor networks, such as imaging underwater life, environmental monitoring, and supervising geological processes on the ocean floor, demand a prolonged network lifetime. However, these networks face many challenges, such as high path loss, limited available bandwidth, limited battery power, and high attenuation. For a longer network lifetime,...
Due to unique characteristics of underwater environment, it is difficult to achieve energy efficiency, high throughput and low bit error rate. Radio signals do not propagate well in underwater environment so acoustic signals are used for communication. Acoustic signals offer low bandwidth, high bit error rate, low throughput and high end-to-end delay. Data packets often loose their path which effect...
Many routing protocols are proposed regarding energy efficiency in underwater wireless sensor networks (UWSNs). We propose sparsity-aware energy efficient clustering (SEEC) protocol for UWSNs. SEEC specially search sparse regions of the network. We divide the network region into subregions of equal size and search sparse and dense regions of the network field with the help of sparsity search algorithm...
We propose a new routing protocol MobiSink (mobile sink) for underwater sensor networks (UWSNs). We deploy the sink mobility in four horizontal regions of the network. The mobile sink moves in its own region to collect data from the transmission range sensor nodes. The transmission range of a node is calculated after fixed interval of time for mobile sink. In MobiSink nodes also take help of transmission...
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