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In this paper, depth and reliability aware delay sensitive (DRADS), interference aware DRADS (iDRADS) and cooperative iDRADS (Co-iDRADS) routing protocols are proposed for maximizing network good-put while minimizing end-to-end delay. We have introduced a new metric called depth threshold to minimize the number of hops between source and destination while ensuring successful packet delivery. Our interference...
In this paper, we propose depth and reliability aware delay sensitive (DRADS) routing protocol for underwater wireless sensor networks (UWSNs). We take motivation from underwater opportunistic routing (UWOR) protocol which introduces a new E E L|success (Fi) metric, i.e., the expected end-to-end latency from sender node i to sink. We consider two flaws in UWOR. First, in UWOR protocol, sensor node...
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...
Underwater acoustic communications are a hastily growing field of research and engineering, which once were exclusively for military applications are now extending into commercial fields. Underwater Wireless Sensor Networks (UWSNs) appeal the research community, facing challenges as sensor nodes have energy constraint and radio signals are not suitable for underwater wireless communication. This paper...
From few past years, researchers are attracted towards the unexplored region of earth due to is extreme usefulness and that region is water. As we know 70 % of earth surface is water and only 30 % is land that is already explored well. Due to the presence of useful resources in acoustic environment, researchers felt the need to explore the unexplored world of water. In order to explore the acoustic...
Recently, Underwater Wireless Sensor Networks (UWSNs) gained much attention of researcher due to its usefulness. Unlike terrestrial sensor networks, radio waves are not suitable for UWSNs due to harsh underwater environment. However, acoustic signals gained advantage over the radio waves for underwater communication. UWSNs have distinct characteristics i.e., high propagation delay, low frequency,...
Underwater environment has very unique characteristics. Reliable and efficient communication between sensor nodes is very challenging. Firstly, because radio waves can not work well in such environment, so we use acoustic communication. Secondly, acoustic communication is very slower than radio communication. Moreover environment is very dynamic, which changes topology of network. Due to these reasons...
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